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Message-Id: <1665814921220101@kroah.com>
Date: Sat, 15 Oct 2022 08:22:02 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.15.74
diff --git a/Makefile b/Makefile
index fc47032dabb8..86b6ca862e39 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 15
-SUBLEVEL = 73
+SUBLEVEL = 74
EXTRAVERSION =
NAME = Trick or Treat
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index dc05a862e72a..c5c9e2515315 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -263,7 +263,6 @@ struct paca_struct {
u64 l1d_flush_size;
#endif
#ifdef CONFIG_PPC_PSERIES
- struct rtas_args *rtas_args_reentrant;
u8 *mce_data_buf; /* buffer to hold per cpu rtas errlog */
#endif /* CONFIG_PPC_PSERIES */
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 9dc97d2f9d27..a05b34cf5f40 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -240,7 +240,6 @@ extern struct rtas_t rtas;
extern int rtas_token(const char *service);
extern int rtas_service_present(const char *service);
extern int rtas_call(int token, int, int, int *, ...);
-int rtas_call_reentrant(int token, int nargs, int nret, int *outputs, ...);
void rtas_call_unlocked(struct rtas_args *args, int token, int nargs,
int nret, ...);
extern void __noreturn rtas_restart(char *cmd);
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 9bd30cac852b..2de557663a96 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -16,7 +16,6 @@
#include <asm/kexec.h>
#include <asm/svm.h>
#include <asm/ultravisor.h>
-#include <asm/rtas.h>
#include "setup.h"
@@ -172,30 +171,6 @@ static struct slb_shadow * __init new_slb_shadow(int cpu, unsigned long limit)
#endif /* CONFIG_PPC_BOOK3S_64 */
-#ifdef CONFIG_PPC_PSERIES
-/**
- * new_rtas_args() - Allocates rtas args
- * @cpu: CPU number
- * @limit: Memory limit for this allocation
- *
- * Allocates a struct rtas_args and return it's pointer,
- * if not in Hypervisor mode
- *
- * Return: Pointer to allocated rtas_args
- * NULL if CPU in Hypervisor Mode
- */
-static struct rtas_args * __init new_rtas_args(int cpu, unsigned long limit)
-{
- limit = min_t(unsigned long, limit, RTAS_INSTANTIATE_MAX);
-
- if (early_cpu_has_feature(CPU_FTR_HVMODE))
- return NULL;
-
- return alloc_paca_data(sizeof(struct rtas_args), L1_CACHE_BYTES,
- limit, cpu);
-}
-#endif /* CONFIG_PPC_PSERIES */
-
/* The Paca is an array with one entry per processor. Each contains an
* lppaca, which contains the information shared between the
* hypervisor and Linux.
@@ -234,10 +209,6 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu)
/* For now -- if we have threads this will be adjusted later */
new_paca->tcd_ptr = &new_paca->tcd;
#endif
-
-#ifdef CONFIG_PPC_PSERIES
- new_paca->rtas_args_reentrant = NULL;
-#endif
}
/* Put the paca pointer into r13 and SPRG_PACA */
@@ -309,9 +280,6 @@ void __init allocate_paca(int cpu)
#endif
#ifdef CONFIG_PPC_BOOK3S_64
paca->slb_shadow_ptr = new_slb_shadow(cpu, limit);
-#endif
-#ifdef CONFIG_PPC_PSERIES
- paca->rtas_args_reentrant = new_rtas_args(cpu, limit);
#endif
paca_struct_size += sizeof(struct paca_struct);
}
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index e8f44084d251..7834ce3aa7f1 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -42,7 +42,6 @@
#include <asm/time.h>
#include <asm/mmu.h>
#include <asm/topology.h>
-#include <asm/paca.h>
/* This is here deliberately so it's only used in this file */
void enter_rtas(unsigned long);
@@ -845,59 +844,6 @@ void rtas_activate_firmware(void)
pr_err("ibm,activate-firmware failed (%i)\n", fwrc);
}
-#ifdef CONFIG_PPC_PSERIES
-/**
- * rtas_call_reentrant() - Used for reentrant rtas calls
- * @token: Token for desired reentrant RTAS call
- * @nargs: Number of Input Parameters
- * @nret: Number of Output Parameters
- * @outputs: Array of outputs
- * @...: Inputs for desired RTAS call
- *
- * According to LoPAR documentation, only "ibm,int-on", "ibm,int-off",
- * "ibm,get-xive" and "ibm,set-xive" are currently reentrant.
- * Reentrant calls need their own rtas_args buffer, so not using rtas.args, but
- * PACA one instead.
- *
- * Return: -1 on error,
- * First output value of RTAS call if (nret > 0),
- * 0 otherwise,
- */
-int rtas_call_reentrant(int token, int nargs, int nret, int *outputs, ...)
-{
- va_list list;
- struct rtas_args *args;
- unsigned long flags;
- int i, ret = 0;
-
- if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE)
- return -1;
-
- local_irq_save(flags);
- preempt_disable();
-
- /* We use the per-cpu (PACA) rtas args buffer */
- args = local_paca->rtas_args_reentrant;
-
- va_start(list, outputs);
- va_rtas_call_unlocked(args, token, nargs, nret, list);
- va_end(list);
-
- if (nret > 1 && outputs)
- for (i = 0; i < nret - 1; ++i)
- outputs[i] = be32_to_cpu(args->rets[i + 1]);
-
- if (nret > 0)
- ret = be32_to_cpu(args->rets[0]);
-
- local_irq_restore(flags);
- preempt_enable();
-
- return ret;
-}
-
-#endif /* CONFIG_PPC_PSERIES */
-
/**
* Find a specific pseries error log in an RTAS extended event log.
* @log: RTAS error/event log
diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c
index b9da317b7a2d..4533d4a46ece 100644
--- a/arch/powerpc/sysdev/xics/ics-rtas.c
+++ b/arch/powerpc/sysdev/xics/ics-rtas.c
@@ -37,8 +37,8 @@ static void ics_rtas_unmask_irq(struct irq_data *d)
server = xics_get_irq_server(d->irq, irq_data_get_affinity_mask(d), 0);
- call_status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL, hw_irq,
- server, DEFAULT_PRIORITY);
+ call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hw_irq, server,
+ DEFAULT_PRIORITY);
if (call_status != 0) {
printk(KERN_ERR
"%s: ibm_set_xive irq %u server %x returned %d\n",
@@ -47,7 +47,7 @@ static void ics_rtas_unmask_irq(struct irq_data *d)
}
/* Now unmask the interrupt (often a no-op) */
- call_status = rtas_call_reentrant(ibm_int_on, 1, 1, NULL, hw_irq);
+ call_status = rtas_call(ibm_int_on, 1, 1, NULL, hw_irq);
if (call_status != 0) {
printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n",
__func__, hw_irq, call_status);
@@ -69,7 +69,7 @@ static void ics_rtas_mask_real_irq(unsigned int hw_irq)
if (hw_irq == XICS_IPI)
return;
- call_status = rtas_call_reentrant(ibm_int_off, 1, 1, NULL, hw_irq);
+ call_status = rtas_call(ibm_int_off, 1, 1, NULL, hw_irq);
if (call_status != 0) {
printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n",
__func__, hw_irq, call_status);
@@ -77,8 +77,8 @@ static void ics_rtas_mask_real_irq(unsigned int hw_irq)
}
/* Have to set XIVE to 0xff to be able to remove a slot */
- call_status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL, hw_irq,
- xics_default_server, 0xff);
+ call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hw_irq,
+ xics_default_server, 0xff);
if (call_status != 0) {
printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n",
__func__, hw_irq, call_status);
@@ -109,7 +109,7 @@ static int ics_rtas_set_affinity(struct irq_data *d,
if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS)
return -1;
- status = rtas_call_reentrant(ibm_get_xive, 1, 3, xics_status, hw_irq);
+ status = rtas_call(ibm_get_xive, 1, 3, xics_status, hw_irq);
if (status) {
printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n",
@@ -127,8 +127,8 @@ static int ics_rtas_set_affinity(struct irq_data *d,
pr_debug("%s: irq %d [hw 0x%x] server: 0x%x\n", __func__, d->irq,
hw_irq, irq_server);
- status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL,
- hw_irq, irq_server, xics_status[1]);
+ status = rtas_call(ibm_set_xive, 3, 1, NULL,
+ hw_irq, irq_server, xics_status[1]);
if (status) {
printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n",
@@ -159,7 +159,7 @@ static int ics_rtas_check(struct ics *ics, unsigned int hw_irq)
return -EINVAL;
/* Check if RTAS knows about this interrupt */
- rc = rtas_call_reentrant(ibm_get_xive, 1, 3, status, hw_irq);
+ rc = rtas_call(ibm_get_xive, 1, 3, status, hw_irq);
if (rc)
return -ENXIO;
@@ -175,7 +175,7 @@ static long ics_rtas_get_server(struct ics *ics, unsigned long vec)
{
int rc, status[2];
- rc = rtas_call_reentrant(ibm_get_xive, 1, 3, status, vec);
+ rc = rtas_call(ibm_get_xive, 1, 3, status, vec);
if (rc)
return -1;
return status[0];
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1c596b5cdb27..d8e3b547e0ae 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -702,8 +702,8 @@ static const struct memdev {
#endif
[5] = { "zero", 0666, &zero_fops, 0 },
[7] = { "full", 0666, &full_fops, 0 },
- [8] = { "random", 0666, &random_fops, 0 },
- [9] = { "urandom", 0666, &urandom_fops, 0 },
+ [8] = { "random", 0666, &random_fops, FMODE_NOWAIT },
+ [9] = { "urandom", 0666, &urandom_fops, FMODE_NOWAIT },
#ifdef CONFIG_PRINTK
[11] = { "kmsg", 0644, &kmsg_fops, 0 },
#endif
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 7bd6eb15d432..8642326de6e1 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -894,20 +894,23 @@ void __init add_bootloader_randomness(const void *buf, size_t len)
}
struct fast_pool {
- struct work_struct mix;
unsigned long pool[4];
unsigned long last;
unsigned int count;
+ struct timer_list mix;
};
+static void mix_interrupt_randomness(struct timer_list *work);
+
static DEFINE_PER_CPU(struct fast_pool, irq_randomness) = {
#ifdef CONFIG_64BIT
#define FASTMIX_PERM SIPHASH_PERMUTATION
- .pool = { SIPHASH_CONST_0, SIPHASH_CONST_1, SIPHASH_CONST_2, SIPHASH_CONST_3 }
+ .pool = { SIPHASH_CONST_0, SIPHASH_CONST_1, SIPHASH_CONST_2, SIPHASH_CONST_3 },
#else
#define FASTMIX_PERM HSIPHASH_PERMUTATION
- .pool = { HSIPHASH_CONST_0, HSIPHASH_CONST_1, HSIPHASH_CONST_2, HSIPHASH_CONST_3 }
+ .pool = { HSIPHASH_CONST_0, HSIPHASH_CONST_1, HSIPHASH_CONST_2, HSIPHASH_CONST_3 },
#endif
+ .mix = __TIMER_INITIALIZER(mix_interrupt_randomness, 0)
};
/*
@@ -949,7 +952,7 @@ int __cold random_online_cpu(unsigned int cpu)
}
#endif
-static void mix_interrupt_randomness(struct work_struct *work)
+static void mix_interrupt_randomness(struct timer_list *work)
{
struct fast_pool *fast_pool = container_of(work, struct fast_pool, mix);
/*
@@ -980,7 +983,7 @@ static void mix_interrupt_randomness(struct work_struct *work)
local_irq_enable();
mix_pool_bytes(pool, sizeof(pool));
- credit_init_bits(max(1u, (count & U16_MAX) / 64));
+ credit_init_bits(clamp_t(unsigned int, (count & U16_MAX) / 64, 1, sizeof(pool) * 8));
memzero_explicit(pool, sizeof(pool));
}
@@ -1003,10 +1006,11 @@ void add_interrupt_randomness(int irq)
if (new_count < 1024 && !time_is_before_jiffies(fast_pool->last + HZ))
return;
- if (unlikely(!fast_pool->mix.func))
- INIT_WORK(&fast_pool->mix, mix_interrupt_randomness);
fast_pool->count |= MIX_INFLIGHT;
- queue_work_on(raw_smp_processor_id(), system_highpri_wq, &fast_pool->mix);
+ if (!timer_pending(&fast_pool->mix)) {
+ fast_pool->mix.expires = jiffies;
+ add_timer_on(&fast_pool->mix, raw_smp_processor_id());
+ }
}
EXPORT_SYMBOL_GPL(add_interrupt_randomness);
@@ -1298,6 +1302,11 @@ static ssize_t random_read_iter(struct kiocb *kiocb, struct iov_iter *iter)
{
int ret;
+ if (!crng_ready() &&
+ ((kiocb->ki_flags & (IOCB_NOWAIT | IOCB_NOIO)) ||
+ (kiocb->ki_filp->f_flags & O_NONBLOCK)))
+ return -EAGAIN;
+
ret = wait_for_random_bytes();
if (ret != 0)
return ret;
diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c
index 7173a2a0a484..5f11929cf9ba 100644
--- a/drivers/crypto/qat/qat_common/qat_asym_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c
@@ -332,13 +332,13 @@ static int qat_dh_compute_value(struct kpp_request *req)
qat_req->out.dh.out_tab[1] = 0;
/* Mapping in.in.b or in.in_g2.xa is the same */
qat_req->phy_in = dma_map_single(dev, &qat_req->in.dh.in.b,
- sizeof(qat_req->in.dh.in.b),
+ sizeof(struct qat_dh_input_params),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, qat_req->phy_in)))
goto unmap_dst;
qat_req->phy_out = dma_map_single(dev, &qat_req->out.dh.r,
- sizeof(qat_req->out.dh.r),
+ sizeof(struct qat_dh_output_params),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, qat_req->phy_out)))
goto unmap_in_params;
@@ -728,13 +728,13 @@ static int qat_rsa_enc(struct akcipher_request *req)
qat_req->in.rsa.in_tab[3] = 0;
qat_req->out.rsa.out_tab[1] = 0;
qat_req->phy_in = dma_map_single(dev, &qat_req->in.rsa.enc.m,
- sizeof(qat_req->in.rsa.enc.m),
+ sizeof(struct qat_rsa_input_params),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, qat_req->phy_in)))
goto unmap_dst;
qat_req->phy_out = dma_map_single(dev, &qat_req->out.rsa.enc.c,
- sizeof(qat_req->out.rsa.enc.c),
+ sizeof(struct qat_rsa_output_params),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, qat_req->phy_out)))
goto unmap_in_params;
@@ -873,13 +873,13 @@ static int qat_rsa_dec(struct akcipher_request *req)
qat_req->in.rsa.in_tab[3] = 0;
qat_req->out.rsa.out_tab[1] = 0;
qat_req->phy_in = dma_map_single(dev, &qat_req->in.rsa.dec.c,
- sizeof(qat_req->in.rsa.dec.c),
+ sizeof(struct qat_rsa_input_params),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, qat_req->phy_in)))
goto unmap_dst;
qat_req->phy_out = dma_map_single(dev, &qat_req->out.rsa.dec.m,
- sizeof(qat_req->out.rsa.dec.m),
+ sizeof(struct qat_rsa_output_params),
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, qat_req->phy_out)))
goto unmap_in_params;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 4c914f75a902..dbfabd229a7c 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -113,6 +113,8 @@ static const struct xpad_device {
u8 xtype;
} xpad_device[] = {
{ 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
+ { 0x03eb, 0xff01, "Wooting One (Legacy)", 0, XTYPE_XBOX360 },
+ { 0x03eb, 0xff02, "Wooting Two (Legacy)", 0, XTYPE_XBOX360 },
{ 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
{ 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
@@ -244,6 +246,7 @@ static const struct xpad_device {
{ 0x0f0d, 0x0063, "Hori Real Arcade Pro Hayabusa (USA) Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
{ 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
{ 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
+ { 0x0f0d, 0x00c5, "Hori Fighting Commander ONE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
{ 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX },
{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
@@ -260,6 +263,7 @@ static const struct xpad_device {
{ 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x1430, 0xf801, "RedOctane Controller", 0, XTYPE_XBOX360 },
{ 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
+ { 0x146b, 0x0604, "Bigben Interactive DAIJA Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 },
{ 0x1532, 0x0a00, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
{ 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE },
@@ -325,6 +329,7 @@ static const struct xpad_device {
{ 0x24c6, 0x5502, "Hori Fighting Stick VX Alt", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x24c6, 0x5503, "Hori Fighting Edge", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 },
+ { 0x24c6, 0x5510, "Hori Fighting Commander ONE (Xbox 360/PC Mode)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x24c6, 0x550d, "Hori GEM Xbox controller", 0, XTYPE_XBOX360 },
{ 0x24c6, 0x550e, "Hori Real Arcade Pro V Kai 360", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x24c6, 0x551a, "PowerA FUSION Pro Controller", 0, XTYPE_XBOXONE },
@@ -334,6 +339,14 @@ static const struct xpad_device {
{ 0x24c6, 0x5b03, "Thrustmaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 },
{ 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
{ 0x24c6, 0xfafe, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
+ { 0x2563, 0x058d, "OneXPlayer Gamepad", 0, XTYPE_XBOX360 },
+ { 0x2dc8, 0x2000, "8BitDo Pro 2 Wired Controller fox Xbox", 0, XTYPE_XBOXONE },
+ { 0x31e3, 0x1100, "Wooting One", 0, XTYPE_XBOX360 },
+ { 0x31e3, 0x1200, "Wooting Two", 0, XTYPE_XBOX360 },
+ { 0x31e3, 0x1210, "Wooting Lekker", 0, XTYPE_XBOX360 },
+ { 0x31e3, 0x1220, "Wooting Two HE", 0, XTYPE_XBOX360 },
+ { 0x31e3, 0x1300, "Wooting 60HE (AVR)", 0, XTYPE_XBOX360 },
+ { 0x31e3, 0x1310, "Wooting 60HE (ARM)", 0, XTYPE_XBOX360 },
{ 0x3285, 0x0607, "Nacon GC-100", 0, XTYPE_XBOX360 },
{ 0x3767, 0x0101, "Fanatec Speedster 3 Forceshock Wheel", 0, XTYPE_XBOX },
{ 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
@@ -419,6 +432,7 @@ static const signed short xpad_abs_triggers[] = {
static const struct usb_device_id xpad_table[] = {
{ USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */
XPAD_XBOX360_VENDOR(0x0079), /* GPD Win 2 Controller */
+ XPAD_XBOX360_VENDOR(0x03eb), /* Wooting Keyboards (Legacy) */
XPAD_XBOX360_VENDOR(0x044f), /* Thrustmaster X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */
XPAD_XBOXONE_VENDOR(0x045e), /* Microsoft X-Box One controllers */
@@ -429,6 +443,7 @@ static const struct usb_device_id xpad_table[] = {
{ USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */
XPAD_XBOXONE_VENDOR(0x0738), /* Mad Catz FightStick TE 2 */
XPAD_XBOX360_VENDOR(0x07ff), /* Mad Catz GamePad */
+ XPAD_XBOX360_VENDOR(0x0c12), /* Zeroplus X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */
XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f X-Box One controllers */
XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */
@@ -450,8 +465,12 @@ static const struct usb_device_id xpad_table[] = {
XPAD_XBOXONE_VENDOR(0x20d6), /* PowerA Controllers */
XPAD_XBOX360_VENDOR(0x24c6), /* PowerA Controllers */
XPAD_XBOXONE_VENDOR(0x24c6), /* PowerA Controllers */
+ XPAD_XBOX360_VENDOR(0x2563), /* OneXPlayer Gamepad */
+ XPAD_XBOX360_VENDOR(0x260d), /* Dareu H101 */
+ XPAD_XBOXONE_VENDOR(0x2dc8), /* 8BitDo Pro 2 Wired Controller for Xbox */
XPAD_XBOXONE_VENDOR(0x2e24), /* Hyperkin Duke X-Box One pad */
XPAD_XBOX360_VENDOR(0x2f24), /* GameSir Controllers */
+ XPAD_XBOX360_VENDOR(0x31e3), /* Wooting Keyboards */
XPAD_XBOX360_VENDOR(0x3285), /* Nacon GC-100 */
{ }
};
@@ -1972,7 +1991,6 @@ static struct usb_driver xpad_driver = {
.disconnect = xpad_disconnect,
.suspend = xpad_suspend,
.resume = xpad_resume,
- .reset_resume = xpad_resume,
.id_table = xpad_table,
};
diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index 2ed7e3aaff3a..4e4c0884d35e 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -332,6 +332,22 @@ static bool pci_endpoint_test_msi_irq(struct pci_endpoint_test *test,
return false;
}
+static int pci_endpoint_test_validate_xfer_params(struct device *dev,
+ struct pci_endpoint_test_xfer_param *param, size_t alignment)
+{
+ if (!param->size) {
+ dev_dbg(dev, "Data size is zero\n");
+ return -EINVAL;
+ }
+
+ if (param->size > SIZE_MAX - alignment) {
+ dev_dbg(dev, "Maximum transfer data size exceeded\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static bool pci_endpoint_test_copy(struct pci_endpoint_test *test,
unsigned long arg)
{
@@ -363,9 +379,11 @@ static bool pci_endpoint_test_copy(struct pci_endpoint_test *test,
return false;
}
+ err = pci_endpoint_test_validate_xfer_params(dev, ¶m, alignment);
+ if (err)
+ return false;
+
size = param.size;
- if (size > SIZE_MAX - alignment)
- goto err;
use_dma = !!(param.flags & PCITEST_FLAGS_USE_DMA);
if (use_dma)
@@ -497,9 +515,11 @@ static bool pci_endpoint_test_write(struct pci_endpoint_test *test,
return false;
}
+ err = pci_endpoint_test_validate_xfer_params(dev, ¶m, alignment);
+ if (err)
+ return false;
+
size = param.size;
- if (size > SIZE_MAX - alignment)
- goto err;
use_dma = !!(param.flags & PCITEST_FLAGS_USE_DMA);
if (use_dma)
@@ -595,9 +615,11 @@ static bool pci_endpoint_test_read(struct pci_endpoint_test *test,
return false;
}
+ err = pci_endpoint_test_validate_xfer_params(dev, ¶m, alignment);
+ if (err)
+ return false;
+
size = param.size;
- if (size > SIZE_MAX - alignment)
- goto err;
use_dma = !!(param.flags & PCITEST_FLAGS_USE_DMA);
if (use_dma)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 52a2574b7d13..b228567b2a73 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3749,6 +3749,8 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
rx_status.band = channel->band;
rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]);
+ if (rx_status.rate_idx >= data2->hw->wiphy->bands[rx_status.band]->n_bitrates)
+ goto out;
rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
hdr = (void *)skb->data;
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index f1ba7f5b52a8..b5267dae3355 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -665,16 +665,17 @@ stex_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
return 0;
case PASSTHRU_CMD:
if (cmd->cmnd[1] == PASSTHRU_GET_DRVVER) {
- struct st_drvver ver;
+ const struct st_drvver ver = {
+ .major = ST_VER_MAJOR,
+ .minor = ST_VER_MINOR,
+ .oem = ST_OEM,
+ .build = ST_BUILD_VER,
+ .signature[0] = PASSTHRU_SIGNATURE,
+ .console_id = host->max_id - 1,
+ .host_no = hba->host->host_no,
+ };
size_t cp_len = sizeof(ver);
- ver.major = ST_VER_MAJOR;
- ver.minor = ST_VER_MINOR;
- ver.oem = ST_OEM;
- ver.build = ST_BUILD_VER;
- ver.signature[0] = PASSTHRU_SIGNATURE;
- ver.console_id = host->max_id - 1;
- ver.host_no = hba->host->host_no;
cp_len = scsi_sg_copy_from_buffer(cmd, &ver, cp_len);
if (sizeof(ver) == cp_len)
cmd->result = DID_OK << 16;
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 586ef5551e76..b1e844bf31f8 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -177,6 +177,7 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
{DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */
{DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */
+ {DEVICE_SWI(0x413c, 0x81c2)}, /* Dell Wireless 5811e */
{DEVICE_SWI(0x413c, 0x81cb)}, /* Dell Wireless 5816e QDL */
{DEVICE_SWI(0x413c, 0x81cc)}, /* Dell Wireless 5816e */
{DEVICE_SWI(0x413c, 0x81cf)}, /* Dell Wireless 5819 */
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index e34d52df4a13..53bffda3c76c 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -703,6 +703,12 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
if (dentry->d_name.len > NAME_MAX)
return -ENAMETOOLONG;
+ /*
+ * Do not truncate the file, since atomic_open is called before the
+ * permission check. The caller will do the truncation afterward.
+ */
+ flags &= ~O_TRUNC;
+
if (flags & O_CREAT) {
if (ceph_quota_is_max_files_exceeded(dir))
return -EDQUOT;
@@ -770,9 +776,7 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
}
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
- err = ceph_mdsc_do_request(mdsc,
- (flags & (O_CREAT|O_TRUNC)) ? dir : NULL,
- req);
+ err = ceph_mdsc_do_request(mdsc, (flags & O_CREAT) ? dir : NULL, req);
if (err == -ENOENT) {
dentry = ceph_handle_snapdir(req, dentry);
if (IS_ERR(dentry)) {
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 2466f8b8be95..f4e74fac2c51 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -332,6 +332,7 @@ struct inode *nilfs_new_inode(struct inode *dir, umode_t mode)
struct inode *inode;
struct nilfs_inode_info *ii;
struct nilfs_root *root;
+ struct buffer_head *bh;
int err = -ENOMEM;
ino_t ino;
@@ -347,11 +348,25 @@ struct inode *nilfs_new_inode(struct inode *dir, umode_t mode)
ii->i_state = BIT(NILFS_I_NEW);
ii->i_root = root;
- err = nilfs_ifile_create_inode(root->ifile, &ino, &ii->i_bh);
+ err = nilfs_ifile_create_inode(root->ifile, &ino, &bh);
if (unlikely(err))
goto failed_ifile_create_inode;
/* reference count of i_bh inherits from nilfs_mdt_read_block() */
+ if (unlikely(ino < NILFS_USER_INO)) {
+ nilfs_warn(sb,
+ "inode bitmap is inconsistent for reserved inodes");
+ do {
+ brelse(bh);
+ err = nilfs_ifile_create_inode(root->ifile, &ino, &bh);
+ if (unlikely(err))
+ goto failed_ifile_create_inode;
+ } while (ino < NILFS_USER_INO);
+
+ nilfs_info(sb, "repaired inode bitmap for reserved inodes");
+ }
+ ii->i_bh = bh;
+
atomic64_inc(&root->inodes_count);
inode_init_owner(&init_user_ns, inode, dir, mode);
inode->i_ino = ino;
@@ -444,6 +459,8 @@ int nilfs_read_inode_common(struct inode *inode,
inode->i_atime.tv_nsec = le32_to_cpu(raw_inode->i_mtime_nsec);
inode->i_ctime.tv_nsec = le32_to_cpu(raw_inode->i_ctime_nsec);
inode->i_mtime.tv_nsec = le32_to_cpu(raw_inode->i_mtime_nsec);
+ if (nilfs_is_metadata_file_inode(inode) && !S_ISREG(inode->i_mode))
+ return -EIO; /* this inode is for metadata and corrupted */
if (inode->i_nlink == 0)
return -ESTALE; /* this inode is deleted */
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 314a23a16689..96c5cab5c8ae 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -875,9 +875,11 @@ static int nilfs_segctor_create_checkpoint(struct nilfs_sc_info *sci)
nilfs_mdt_mark_dirty(nilfs->ns_cpfile);
nilfs_cpfile_put_checkpoint(
nilfs->ns_cpfile, nilfs->ns_cno, bh_cp);
- } else
- WARN_ON(err == -EINVAL || err == -ENOENT);
-
+ } else if (err == -EINVAL || err == -ENOENT) {
+ nilfs_error(sci->sc_super,
+ "checkpoint creation failed due to metadata corruption.");
+ err = -EIO;
+ }
return err;
}
@@ -891,7 +893,11 @@ static int nilfs_segctor_fill_in_checkpoint(struct nilfs_sc_info *sci)
err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, nilfs->ns_cno, 0,
&raw_cp, &bh_cp);
if (unlikely(err)) {
- WARN_ON(err == -EINVAL || err == -ENOENT);
+ if (err == -EINVAL || err == -ENOENT) {
+ nilfs_error(sci->sc_super,
+ "checkpoint finalization failed due to metadata corruption.");
+ err = -EIO;
+ }
goto failed_ibh;
}
raw_cp->cp_snapshot_list.ssl_next = 0;
@@ -2786,10 +2792,9 @@ int nilfs_attach_log_writer(struct super_block *sb, struct nilfs_root *root)
inode_attach_wb(nilfs->ns_bdev->bd_inode, NULL);
err = nilfs_segctor_start_thread(nilfs->ns_writer);
- if (err) {
- kfree(nilfs->ns_writer);
- nilfs->ns_writer = NULL;
- }
+ if (unlikely(err))
+ nilfs_detach_log_writer(sb);
+
return err;
}
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 59afe8787cf7..685249233f2f 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -211,7 +211,7 @@ static inline unsigned int scsi_get_resid(struct scsi_cmnd *cmd)
for_each_sg(scsi_sglist(cmd), sg, nseg, __i)
static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd,
- void *buf, int buflen)
+ const void *buf, int buflen)
{
return sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
buf, buflen);
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index e43176794149..0d2bab9d351c 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -478,7 +478,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
size_t len)
{
u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num;
- struct ieee802_11_elems elems = { };
+ struct ieee802_11_elems *elems = NULL;
u8 dialog_token;
int ies_len;
@@ -496,16 +496,18 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
ies_len = len - offsetof(struct ieee80211_mgmt,
u.action.u.addba_req.variable);
if (ies_len) {
- ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
- ies_len, true, &elems, mgmt->bssid, NULL);
- if (elems.parse_error)
- return;
+ elems = ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
+ ies_len, true, mgmt->bssid, NULL);
+ if (!elems || elems->parse_error)
+ goto free;
}
__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
buf_size, true, false,
- elems.addba_ext_ie);
+ elems ? elems->addba_ext_ie : NULL);
+free:
+ kfree(elems);
}
void ieee80211_manage_rx_ba_offl(struct ieee80211_vif *vif,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 1e133ca58e78..48e0260f3424 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -9,7 +9,7 @@
* Copyright 2009, Johannes Berg <johannes@...solutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- * Copyright(c) 2018-2020 Intel Corporation
+ * Copyright(c) 2018-2021 Intel Corporation
*/
#include <linux/delay.h>
@@ -1593,7 +1593,7 @@ void ieee80211_rx_mgmt_probe_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_rx_status *rx_status)
{
size_t baselen;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
BUILD_BUG_ON(offsetof(typeof(mgmt->u.probe_resp), variable) !=
offsetof(typeof(mgmt->u.beacon), variable));
@@ -1606,10 +1606,14 @@ void ieee80211_rx_mgmt_probe_beacon(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems, mgmt->bssid, NULL);
+ elems = ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
+ len - baselen, false,
+ mgmt->bssid, NULL);
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ if (elems) {
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, elems);
+ kfree(elems);
+ }
}
void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
@@ -1618,7 +1622,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct ieee80211_rx_status *rx_status;
struct ieee80211_mgmt *mgmt;
u16 fc;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
int ies_len;
rx_status = IEEE80211_SKB_RXCB(skb);
@@ -1655,15 +1659,16 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
if (ies_len < 0)
break;
- ieee802_11_parse_elems(
+ elems = ieee802_11_parse_elems(
mgmt->u.action.u.chan_switch.variable,
- ies_len, true, &elems, mgmt->bssid, NULL);
-
- if (elems.parse_error)
- break;
-
- ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt, skb->len,
- rx_status, &elems);
+ ies_len, true, mgmt->bssid, NULL);
+
+ if (elems && !elems->parse_error)
+ ieee80211_rx_mgmt_spectrum_mgmt(sdata, mgmt,
+ skb->len,
+ rx_status,
+ elems);
+ kfree(elems);
break;
}
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index f7bea4af2ddb..21549a440b38 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -631,10 +631,9 @@ struct ieee80211_if_ocb {
*/
struct ieee802_11_elems;
struct ieee80211_mesh_sync_ops {
- void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
- u16 stype,
- struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems,
+ void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
struct ieee80211_rx_status *rx_status);
/* should be called with beacon_data under RCU read lock */
@@ -1533,6 +1532,7 @@ struct ieee80211_csa_ie {
struct ieee802_11_elems {
const u8 *ie_start;
size_t total_len;
+ u32 crc;
/* pointers to IEs */
const struct ieee80211_tdls_lnkie *lnk_id;
@@ -1542,7 +1542,6 @@ struct ieee802_11_elems {
const u8 *supp_rates;
const u8 *ds_params;
const struct ieee80211_tim_ie *tim;
- const u8 *challenge;
const u8 *rsn;
const u8 *rsnx;
const u8 *erp_info;
@@ -1596,7 +1595,6 @@ struct ieee802_11_elems {
u8 ssid_len;
u8 supp_rates_len;
u8 tim_len;
- u8 challenge_len;
u8 rsn_len;
u8 rsnx_len;
u8 ext_supp_rates_len;
@@ -1615,6 +1613,14 @@ struct ieee802_11_elems {
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
+
+ /*
+ * scratch buffer that can be used for various element parsing related
+ * tasks, e.g., element de-fragmentation etc.
+ */
+ size_t scratch_len;
+ u8 *scratch_pos;
+ u8 scratch[];
};
static inline struct ieee80211_local *hw_to_local(
@@ -2219,18 +2225,18 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
ieee80211_tx_skb_tid(sdata, skb, 7);
}
-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
- struct ieee802_11_elems *elems,
- u64 filter, u32 crc, u8 *transmitter_bssid,
- u8 *bss_bssid);
-static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
- bool action,
- struct ieee802_11_elems *elems,
- u8 *transmitter_bssid,
- u8 *bss_bssid)
+struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
+ bool action,
+ u64 filter, u32 crc,
+ const u8 *transmitter_bssid,
+ const u8 *bss_bssid);
+static inline struct ieee802_11_elems *
+ieee802_11_parse_elems(const u8 *start, size_t len, bool action,
+ const u8 *transmitter_bssid,
+ const u8 *bss_bssid)
{
- ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0,
- transmitter_bssid, bss_bssid);
+ return ieee802_11_parse_elems_crc(start, len, action, 0, 0,
+ transmitter_bssid, bss_bssid);
}
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 42bd81a30310..6847fdf93439 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1247,7 +1247,7 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
struct sk_buff *presp;
struct beacon_data *bcn;
struct ieee80211_mgmt *hdr;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
size_t baselen;
u8 *pos;
@@ -1256,22 +1256,24 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
- ieee802_11_parse_elems(pos, len - baselen, false, &elems, mgmt->bssid,
- NULL);
-
- if (!elems.mesh_id)
+ elems = ieee802_11_parse_elems(pos, len - baselen, false, mgmt->bssid,
+ NULL);
+ if (!elems)
return;
+ if (!elems->mesh_id)
+ goto free;
+
/* 802.11-2012 10.1.4.3.2 */
if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
!is_broadcast_ether_addr(mgmt->da)) ||
- elems.ssid_len != 0)
- return;
+ elems->ssid_len != 0)
+ goto free;
- if (elems.mesh_id_len != 0 &&
- (elems.mesh_id_len != ifmsh->mesh_id_len ||
- memcmp(elems.mesh_id, ifmsh->mesh_id, ifmsh->mesh_id_len)))
- return;
+ if (elems->mesh_id_len != 0 &&
+ (elems->mesh_id_len != ifmsh->mesh_id_len ||
+ memcmp(elems->mesh_id, ifmsh->mesh_id, ifmsh->mesh_id_len)))
+ goto free;
rcu_read_lock();
bcn = rcu_dereference(ifmsh->beacon);
@@ -1295,6 +1297,8 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
ieee80211_tx_skb(sdata, presp);
out:
rcu_read_unlock();
+free:
+ kfree(elems);
}
static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
@@ -1305,7 +1309,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
struct ieee80211_channel *channel;
size_t baselen;
int freq;
@@ -1320,42 +1324,47 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems, mgmt->bssid, NULL);
+ elems = ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
+ len - baselen,
+ false, mgmt->bssid, NULL);
+ if (!elems)
+ return;
/* ignore non-mesh or secure / unsecure mismatch */
- if ((!elems.mesh_id || !elems.mesh_config) ||
- (elems.rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) ||
- (!elems.rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE))
- return;
+ if ((!elems->mesh_id || !elems->mesh_config) ||
+ (elems->rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) ||
+ (!elems->rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE))
+ goto free;
- if (elems.ds_params)
- freq = ieee80211_channel_to_frequency(elems.ds_params[0], band);
+ if (elems->ds_params)
+ freq = ieee80211_channel_to_frequency(elems->ds_params[0], band);
else
freq = rx_status->freq;
channel = ieee80211_get_channel(local->hw.wiphy, freq);
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
- return;
+ goto free;
- if (mesh_matches_local(sdata, &elems)) {
+ if (mesh_matches_local(sdata, elems)) {
mpl_dbg(sdata, "rssi_threshold=%d,rx_status->signal=%d\n",
sdata->u.mesh.mshcfg.rssi_threshold, rx_status->signal);
if (!sdata->u.mesh.user_mpm ||
sdata->u.mesh.mshcfg.rssi_threshold == 0 ||
sdata->u.mesh.mshcfg.rssi_threshold < rx_status->signal)
- mesh_neighbour_update(sdata, mgmt->sa, &elems,
+ mesh_neighbour_update(sdata, mgmt->sa, elems,
rx_status);
if (ifmsh->csa_role != IEEE80211_MESH_CSA_ROLE_INIT &&
!sdata->vif.csa_active)
- ieee80211_mesh_process_chnswitch(sdata, &elems, true);
+ ieee80211_mesh_process_chnswitch(sdata, elems, true);
}
if (ifmsh->sync_ops)
- ifmsh->sync_ops->rx_bcn_presp(sdata,
- stype, mgmt, &elems, rx_status);
+ ifmsh->sync_ops->rx_bcn_presp(sdata, stype, mgmt, len,
+ elems->mesh_config, rx_status);
+free:
+ kfree(elems);
}
int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata)
@@ -1447,7 +1456,7 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
u16 pre_value;
bool fwd_csa = true;
size_t baselen;
@@ -1460,33 +1469,37 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,
pos = mgmt->u.action.u.chan_switch.variable;
baselen = offsetof(struct ieee80211_mgmt,
u.action.u.chan_switch.variable);
- ieee802_11_parse_elems(pos, len - baselen, true, &elems,
- mgmt->bssid, NULL);
-
- if (!mesh_matches_local(sdata, &elems))
+ elems = ieee802_11_parse_elems(pos, len - baselen, true,
+ mgmt->bssid, NULL);
+ if (!elems)
return;
- ifmsh->chsw_ttl = elems.mesh_chansw_params_ie->mesh_ttl;
+ if (!mesh_matches_local(sdata, elems))
+ goto free;
+
+ ifmsh->chsw_ttl = elems->mesh_chansw_params_ie->mesh_ttl;
if (!--ifmsh->chsw_ttl)
fwd_csa = false;
- pre_value = le16_to_cpu(elems.mesh_chansw_params_ie->mesh_pre_value);
+ pre_value = le16_to_cpu(elems->mesh_chansw_params_ie->mesh_pre_value);
if (ifmsh->pre_value >= pre_value)
- return;
+ goto free;
ifmsh->pre_value = pre_value;
if (!sdata->vif.csa_active &&
- !ieee80211_mesh_process_chnswitch(sdata, &elems, false)) {
+ !ieee80211_mesh_process_chnswitch(sdata, elems, false)) {
mcsa_dbg(sdata, "Failed to process CSA action frame");
- return;
+ goto free;
}
/* forward or re-broadcast the CSA frame */
if (fwd_csa) {
- if (mesh_fwd_csa_frame(sdata, mgmt, len, &elems) < 0)
+ if (mesh_fwd_csa_frame(sdata, mgmt, len, elems) < 0)
mcsa_dbg(sdata, "Failed to forward the CSA frame");
}
+free:
+ kfree(elems);
}
static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index a05b615deb51..44a6fdb6efbd 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2019, 2021 Intel Corporation
* Author: Luis Carlos Cobo <luisca@...ybit.com>
*/
@@ -908,7 +908,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len)
{
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
size_t baselen;
u32 path_metric;
struct sta_info *sta;
@@ -926,37 +926,41 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
- ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
- len - baselen, false, &elems, mgmt->bssid, NULL);
+ elems = ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
+ len - baselen, false, mgmt->bssid, NULL);
+ if (!elems)
+ return;
- if (elems.preq) {
- if (elems.preq_len != 37)
+ if (elems->preq) {
+ if (elems->preq_len != 37)
/* Right now we support just 1 destination and no AE */
- return;
- path_metric = hwmp_route_info_get(sdata, mgmt, elems.preq,
+ goto free;
+ path_metric = hwmp_route_info_get(sdata, mgmt, elems->preq,
MPATH_PREQ);
if (path_metric)
- hwmp_preq_frame_process(sdata, mgmt, elems.preq,
+ hwmp_preq_frame_process(sdata, mgmt, elems->preq,
path_metric);
}
- if (elems.prep) {
- if (elems.prep_len != 31)
+ if (elems->prep) {
+ if (elems->prep_len != 31)
/* Right now we support no AE */
- return;
- path_metric = hwmp_route_info_get(sdata, mgmt, elems.prep,
+ goto free;
+ path_metric = hwmp_route_info_get(sdata, mgmt, elems->prep,
MPATH_PREP);
if (path_metric)
- hwmp_prep_frame_process(sdata, mgmt, elems.prep,
+ hwmp_prep_frame_process(sdata, mgmt, elems->prep,
path_metric);
}
- if (elems.perr) {
- if (elems.perr_len != 15)
+ if (elems->perr) {
+ if (elems->perr_len != 15)
/* Right now we support only one destination per PERR */
- return;
- hwmp_perr_frame_process(sdata, mgmt, elems.perr);
+ goto free;
+ hwmp_perr_frame_process(sdata, mgmt, elems->perr);
}
- if (elems.rann)
- hwmp_rann_frame_process(sdata, mgmt, elems.rann);
+ if (elems->rann)
+ hwmp_rann_frame_process(sdata, mgmt, elems->rann);
+free:
+ kfree(elems);
}
/**
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index a6915847d78a..a829470dd59e 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2019, 2021 Intel Corporation
* Author: Luis Carlos Cobo <luisca@...ybit.com>
*/
#include <linux/gfp.h>
@@ -1200,7 +1200,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len,
struct ieee80211_rx_status *rx_status)
{
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
size_t baselen;
u8 *baseaddr;
@@ -1228,7 +1228,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
}
- ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems,
- mgmt->bssid, NULL);
- mesh_process_plink_frame(sdata, mgmt, &elems, rx_status);
+ elems = ieee802_11_parse_elems(baseaddr, len - baselen, true,
+ mgmt->bssid, NULL);
+ mesh_process_plink_frame(sdata, mgmt, elems, rx_status);
+ kfree(elems);
}
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index fde93de2b80a..9e342cc2504c 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -3,6 +3,7 @@
* Copyright 2011-2012, Pavel Zubarev <pavel.zubarev@...il.com>
* Copyright 2011-2012, Marco Porsch <marco.porsch@...05.tu-chemnitz.de>
* Copyright 2011-2012, cozybit Inc.
+ * Copyright (C) 2021 Intel Corporation
*/
#include "ieee80211_i.h"
@@ -35,12 +36,12 @@ struct sync_method {
/**
* mesh_peer_tbtt_adjusting - check if an mp is currently adjusting its TBTT
*
- * @ie: information elements of a management frame from the mesh peer
+ * @cfg: mesh config element from the mesh peer (or %NULL)
*/
-static bool mesh_peer_tbtt_adjusting(struct ieee802_11_elems *ie)
+static bool mesh_peer_tbtt_adjusting(const struct ieee80211_meshconf_ie *cfg)
{
- return (ie->mesh_config->meshconf_cap &
- IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0;
+ return cfg &&
+ (cfg->meshconf_cap & IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING);
}
void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata)
@@ -76,11 +77,11 @@ void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata)
}
}
-static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
- u16 stype,
- struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems,
- struct ieee80211_rx_status *rx_status)
+static void
+mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
@@ -101,10 +102,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
*/
if (ieee80211_have_rx_timestamp(rx_status))
t_r = ieee80211_calculate_rx_timestamp(local, rx_status,
- 24 + 12 +
- elems->total_len +
- FCS_LEN,
- 24);
+ len + FCS_LEN, 24);
else
t_r = drv_get_tsf(local, sdata);
@@ -119,7 +117,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
* dot11MeshNbrOffsetMaxNeighbor non-peer non-MBSS neighbors
*/
- if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) {
+ if (mesh_peer_tbtt_adjusting(mesh_cfg)) {
msync_dbg(sdata, "STA %pM : is adjusting TBTT\n",
sta->sta.addr);
goto no_sync;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1548f532dc1a..cc6d38a2e6d5 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2889,17 +2889,17 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_mgd_auth_data *auth_data = sdata->u.mgd.auth_data;
+ const struct element *challenge;
u8 *pos;
- struct ieee802_11_elems elems;
u32 tx_flags = 0;
struct ieee80211_prep_tx_info info = {
.subtype = IEEE80211_STYPE_AUTH,
};
pos = mgmt->u.auth.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
- mgmt->bssid, auth_data->bss->bssid);
- if (!elems.challenge)
+ challenge = cfg80211_find_elem(WLAN_EID_CHALLENGE, pos,
+ len - (pos - (u8 *)mgmt));
+ if (!challenge)
return;
auth_data->expected_transaction = 4;
drv_mgd_prepare_tx(sdata->local, sdata, &info);
@@ -2907,7 +2907,8 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0,
- elems.challenge - 2, elems.challenge_len + 2,
+ (void *)challenge,
+ challenge->datalen + sizeof(*challenge),
auth_data->bss->bssid, auth_data->bss->bssid,
auth_data->key, auth_data->key_len,
auth_data->key_idx, tx_flags);
@@ -3316,8 +3317,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
aid = 0; /* TODO */
}
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, elems,
- mgmt->bssid, assoc_data->bss->bssid);
+ elems = ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false,
+ mgmt->bssid, assoc_data->bss->bssid);
+
+ if (!elems)
+ return false;
if (elems->aid_resp)
aid = le16_to_cpu(elems->aid_resp->aid);
@@ -3339,7 +3343,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
if (!is_s1g && !elems->supp_rates) {
sdata_info(sdata, "no SuppRates element in AssocResp\n");
- return false;
+ ret = false;
+ goto out;
}
sdata->vif.bss_conf.aid = aid;
@@ -3361,7 +3366,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
(!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
(!elems->vht_cap_elem || !elems->vht_operation)))) {
const struct cfg80211_bss_ies *ies;
- struct ieee802_11_elems bss_elems;
+ struct ieee802_11_elems *bss_elems;
rcu_read_lock();
ies = rcu_dereference(cbss->ies);
@@ -3369,16 +3374,22 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
bss_ies = kmemdup(ies, sizeof(*ies) + ies->len,
GFP_ATOMIC);
rcu_read_unlock();
- if (!bss_ies)
- return false;
+ if (!bss_ies) {
+ ret = false;
+ goto out;
+ }
+
+ bss_elems = ieee802_11_parse_elems(bss_ies->data, bss_ies->len,
+ false, mgmt->bssid,
+ assoc_data->bss->bssid);
+ if (!bss_elems) {
+ ret = false;
+ goto out;
+ }
- ieee802_11_parse_elems(bss_ies->data, bss_ies->len,
- false, &bss_elems,
- mgmt->bssid,
- assoc_data->bss->bssid);
if (assoc_data->wmm &&
- !elems->wmm_param && bss_elems.wmm_param) {
- elems->wmm_param = bss_elems.wmm_param;
+ !elems->wmm_param && bss_elems->wmm_param) {
+ elems->wmm_param = bss_elems->wmm_param;
sdata_info(sdata,
"AP bug: WMM param missing from AssocResp\n");
}
@@ -3387,30 +3398,32 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
* Also check if we requested HT/VHT, otherwise the AP doesn't
* have to include the IEs in the (re)association response.
*/
- if (!elems->ht_cap_elem && bss_elems.ht_cap_elem &&
+ if (!elems->ht_cap_elem && bss_elems->ht_cap_elem &&
!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
- elems->ht_cap_elem = bss_elems.ht_cap_elem;
+ elems->ht_cap_elem = bss_elems->ht_cap_elem;
sdata_info(sdata,
"AP bug: HT capability missing from AssocResp\n");
}
- if (!elems->ht_operation && bss_elems.ht_operation &&
+ if (!elems->ht_operation && bss_elems->ht_operation &&
!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
- elems->ht_operation = bss_elems.ht_operation;
+ elems->ht_operation = bss_elems->ht_operation;
sdata_info(sdata,
"AP bug: HT operation missing from AssocResp\n");
}
- if (!elems->vht_cap_elem && bss_elems.vht_cap_elem &&
+ if (!elems->vht_cap_elem && bss_elems->vht_cap_elem &&
!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) {
- elems->vht_cap_elem = bss_elems.vht_cap_elem;
+ elems->vht_cap_elem = bss_elems->vht_cap_elem;
sdata_info(sdata,
"AP bug: VHT capa missing from AssocResp\n");
}
- if (!elems->vht_operation && bss_elems.vht_operation &&
+ if (!elems->vht_operation && bss_elems->vht_operation &&
!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) {
- elems->vht_operation = bss_elems.vht_operation;
+ elems->vht_operation = bss_elems->vht_operation;
sdata_info(sdata,
"AP bug: VHT operation missing from AssocResp\n");
}
+
+ kfree(bss_elems);
}
/*
@@ -3661,6 +3674,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
ret = true;
out:
+ kfree(elems);
kfree(bss_ies);
return ret;
}
@@ -3672,7 +3686,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data;
u16 capab_info, status_code, aid;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
int ac, uapsd_queues = -1;
u8 *pos;
bool reassoc;
@@ -3729,14 +3743,16 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
fils_decrypt_assoc_resp(sdata, (u8 *)mgmt, &len, assoc_data) < 0)
return;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
- mgmt->bssid, assoc_data->bss->bssid);
+ elems = ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false,
+ mgmt->bssid, assoc_data->bss->bssid);
+ if (!elems)
+ goto notify_driver;
if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
- elems.timeout_int &&
- elems.timeout_int->type == WLAN_TIMEOUT_ASSOC_COMEBACK) {
+ elems->timeout_int &&
+ elems->timeout_int->type == WLAN_TIMEOUT_ASSOC_COMEBACK) {
u32 tu, ms;
- tu = le32_to_cpu(elems.timeout_int->value);
+ tu = le32_to_cpu(elems->timeout_int->value);
ms = tu * 1024 / 1000;
sdata_info(sdata,
"%pM rejected association temporarily; comeback duration %u TU (%u ms)\n",
@@ -3756,7 +3772,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
event.u.mlme.reason = status_code;
drv_event_callback(sdata->local, sdata, &event);
} else {
- if (!ieee80211_assoc_success(sdata, cbss, mgmt, len, &elems)) {
+ if (!ieee80211_assoc_success(sdata, cbss, mgmt, len, elems)) {
/* oops -- internal error -- send timeout for now */
ieee80211_destroy_assoc_data(sdata, false, false);
cfg80211_assoc_timeout(sdata->dev, cbss);
@@ -3786,6 +3802,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
ifmgd->assoc_req_ies, ifmgd->assoc_req_ies_len);
notify_driver:
drv_mgd_complete_tx(sdata->local, sdata, &info);
+ kfree(elems);
}
static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
@@ -3990,7 +4007,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
struct ieee80211_mgmt *mgmt = (void *) hdr;
size_t baselen;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
@@ -4036,15 +4053,16 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
ieee80211_rx_our_beacon(bssid, ifmgd->assoc_data->bss)) {
- ieee802_11_parse_elems(variable,
- len - baselen, false, &elems,
- bssid,
- ifmgd->assoc_data->bss->bssid);
+ elems = ieee802_11_parse_elems(variable, len - baselen, false,
+ bssid,
+ ifmgd->assoc_data->bss->bssid);
+ if (!elems)
+ return;
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
- if (elems.dtim_period)
- ifmgd->dtim_period = elems.dtim_period;
+ if (elems->dtim_period)
+ ifmgd->dtim_period = elems->dtim_period;
ifmgd->have_beacon = true;
ifmgd->assoc_data->need_beacon = false;
if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
@@ -4052,17 +4070,17 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
rx_status->device_timestamp;
- sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count;
+ sdata->vif.bss_conf.sync_dtim_count = elems->dtim_count;
}
- if (elems.mbssid_config_ie)
+ if (elems->mbssid_config_ie)
bss_conf->profile_periodicity =
- elems.mbssid_config_ie->profile_periodicity;
+ elems->mbssid_config_ie->profile_periodicity;
else
bss_conf->profile_periodicity = 0;
- if (elems.ext_capab_len >= 11 &&
- (elems.ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
+ if (elems->ext_capab_len >= 11 &&
+ (elems->ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
bss_conf->ema_ap = true;
else
bss_conf->ema_ap = false;
@@ -4071,6 +4089,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->assoc_data->timeout = jiffies;
ifmgd->assoc_data->timeout_started = true;
run_again(sdata, ifmgd->assoc_data->timeout);
+ kfree(elems);
return;
}
@@ -4102,13 +4121,15 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
*/
if (!ieee80211_is_s1g_beacon(hdr->frame_control))
ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
- ncrc = ieee802_11_parse_elems_crc(variable,
- len - baselen, false, &elems,
- care_about_ies, ncrc,
- mgmt->bssid, bssid);
+ elems = ieee802_11_parse_elems_crc(variable, len - baselen,
+ false, care_about_ies, ncrc,
+ mgmt->bssid, bssid);
+ if (!elems)
+ return;
+ ncrc = elems->crc;
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
- ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) {
+ ieee80211_check_tim(elems->tim, elems->tim_len, bss_conf->aid)) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
local->hw.conf.flags &= ~IEEE80211_CONF_PS;
@@ -4178,12 +4199,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
rx_status->device_timestamp;
- sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count;
+ sdata->vif.bss_conf.sync_dtim_count = elems->dtim_count;
}
if ((ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid) ||
ieee80211_is_s1g_short_beacon(mgmt->frame_control))
- return;
+ goto free;
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
@@ -4191,12 +4212,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
rx_status->device_timestamp,
- &elems, true);
+ elems, true);
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_WMM) &&
- ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
- elems.wmm_param_len,
- elems.mu_edca_param_set))
+ ieee80211_sta_wmm_params(local, sdata, elems->wmm_param,
+ elems->wmm_param_len,
+ elems->mu_edca_param_set))
changed |= BSS_CHANGED_QOS;
/*
@@ -4205,7 +4226,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
*/
if (!ifmgd->have_beacon) {
/* a few bogus AP send dtim_period = 0 or no TIM IE */
- bss_conf->dtim_period = elems.dtim_period ?: 1;
+ bss_conf->dtim_period = elems->dtim_period ?: 1;
changed |= BSS_CHANGED_BEACON_INFO;
ifmgd->have_beacon = true;
@@ -4217,9 +4238,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_ps_vif(sdata);
}
- if (elems.erp_info) {
+ if (elems->erp_info) {
erp_valid = true;
- erp_value = elems.erp_info[0];
+ erp_value = elems->erp_info[0];
} else {
erp_valid = false;
}
@@ -4232,12 +4253,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, bssid);
- changed |= ieee80211_recalc_twt_req(sdata, sta, &elems);
+ changed |= ieee80211_recalc_twt_req(sdata, sta, elems);
- if (ieee80211_config_bw(sdata, sta, elems.ht_cap_elem,
- elems.vht_cap_elem, elems.ht_operation,
- elems.vht_operation, elems.he_operation,
- elems.s1g_oper, bssid, &changed)) {
+ if (ieee80211_config_bw(sdata, sta, elems->ht_cap_elem,
+ elems->vht_cap_elem, elems->ht_operation,
+ elems->vht_operation, elems->he_operation,
+ elems->s1g_oper, bssid, &changed)) {
mutex_unlock(&local->sta_mtx);
sdata_info(sdata,
"failed to follow AP %pM bandwidth change, disconnect\n",
@@ -4249,21 +4270,23 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
sizeof(deauth_buf), true,
WLAN_REASON_DEAUTH_LEAVING,
false);
- return;
+ goto free;
}
- if (sta && elems.opmode_notif)
- ieee80211_vht_handle_opmode(sdata, sta, *elems.opmode_notif,
+ if (sta && elems->opmode_notif)
+ ieee80211_vht_handle_opmode(sdata, sta, *elems->opmode_notif,
rx_status->band);
mutex_unlock(&local->sta_mtx);
changed |= ieee80211_handle_pwr_constr(sdata, chan, mgmt,
- elems.country_elem,
- elems.country_elem_len,
- elems.pwr_constr_elem,
- elems.cisco_dtpc_elem);
+ elems->country_elem,
+ elems->country_elem_len,
+ elems->pwr_constr_elem,
+ elems->cisco_dtpc_elem);
ieee80211_bss_info_change_notify(sdata, changed);
+free:
+ kfree(elems);
}
void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
@@ -4292,7 +4315,6 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct ieee80211_rx_status *rx_status;
struct ieee80211_mgmt *mgmt;
u16 fc;
- struct ieee802_11_elems elems;
int ies_len;
rx_status = (struct ieee80211_rx_status *) skb->cb;
@@ -4324,6 +4346,8 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
break;
case IEEE80211_STYPE_ACTION:
if (mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) {
+ struct ieee802_11_elems *elems;
+
ies_len = skb->len -
offsetof(struct ieee80211_mgmt,
u.action.u.chan_switch.variable);
@@ -4332,18 +4356,19 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
break;
/* CSA IE cannot be overridden, no need for BSSID */
- ieee802_11_parse_elems(
- mgmt->u.action.u.chan_switch.variable,
- ies_len, true, &elems, mgmt->bssid, NULL);
-
- if (elems.parse_error)
- break;
-
- ieee80211_sta_process_chanswitch(sdata,
- rx_status->mactime,
- rx_status->device_timestamp,
- &elems, false);
+ elems = ieee802_11_parse_elems(
+ mgmt->u.action.u.chan_switch.variable,
+ ies_len, true, mgmt->bssid, NULL);
+
+ if (elems && !elems->parse_error)
+ ieee80211_sta_process_chanswitch(sdata,
+ rx_status->mactime,
+ rx_status->device_timestamp,
+ elems, false);
+ kfree(elems);
} else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
+ struct ieee802_11_elems *elems;
+
ies_len = skb->len -
offsetof(struct ieee80211_mgmt,
u.action.u.ext_chan_switch.variable);
@@ -4355,21 +4380,22 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
* extended CSA IE can't be overridden, no need for
* BSSID
*/
- ieee802_11_parse_elems(
- mgmt->u.action.u.ext_chan_switch.variable,
- ies_len, true, &elems, mgmt->bssid, NULL);
-
- if (elems.parse_error)
- break;
-
- /* for the handling code pretend this was also an IE */
- elems.ext_chansw_ie =
- &mgmt->u.action.u.ext_chan_switch.data;
+ elems = ieee802_11_parse_elems(
+ mgmt->u.action.u.ext_chan_switch.variable,
+ ies_len, true, mgmt->bssid, NULL);
+
+ if (elems && !elems->parse_error) {
+ /* for the handling code pretend it was an IE */
+ elems->ext_chansw_ie =
+ &mgmt->u.action.u.ext_chan_switch.data;
+
+ ieee80211_sta_process_chanswitch(sdata,
+ rx_status->mactime,
+ rx_status->device_timestamp,
+ elems, false);
+ }
- ieee80211_sta_process_chanswitch(sdata,
- rx_status->mactime,
- rx_status->device_timestamp,
- &elems, false);
+ kfree(elems);
}
break;
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 743e97ba352c..175ead6b19cb 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1982,10 +1982,11 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
if (mmie_keyidx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS ||
mmie_keyidx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
- NUM_DEFAULT_BEACON_KEYS) {
- cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
- skb->data,
- skb->len);
+ NUM_DEFAULT_BEACON_KEYS) {
+ if (rx->sdata->dev)
+ cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
+ skb->data,
+ skb->len);
return RX_DROP_MONITOR; /* unexpected BIP keyidx */
}
@@ -2133,7 +2134,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
/* either the frame has been decrypted or will be dropped */
status->flag |= RX_FLAG_DECRYPTED;
- if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE))
+ if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE &&
+ rx->sdata->dev))
cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
skb->data, skb->len);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index d6afaacaf7ef..e692a2487eb5 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@...rmilk.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
* Copyright 2016-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
*/
#include <linux/if_arp.h>
@@ -155,7 +155,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
};
bool signal_valid;
struct ieee80211_sub_if_data *scan_sdata;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
size_t baselen;
u8 *elements;
@@ -209,8 +209,10 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
if (baselen > len)
return NULL;
- ieee802_11_parse_elems(elements, len - baselen, false, &elems,
- mgmt->bssid, cbss->bssid);
+ elems = ieee802_11_parse_elems(elements, len - baselen, false,
+ mgmt->bssid, cbss->bssid);
+ if (!elems)
+ return NULL;
/* In case the signal is invalid update the status */
signal_valid = channel == cbss->channel;
@@ -218,15 +220,17 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
bss = (void *)cbss->priv;
- ieee80211_update_bss_from_elems(local, bss, &elems, rx_status, beacon);
+ ieee80211_update_bss_from_elems(local, bss, elems, rx_status, beacon);
list_for_each_entry(non_tx_cbss, &cbss->nontrans_list, nontrans_list) {
non_tx_bss = (void *)non_tx_cbss->priv;
- ieee80211_update_bss_from_elems(local, non_tx_bss, &elems,
+ ieee80211_update_bss_from_elems(local, non_tx_bss, elems,
rx_status, beacon);
}
+ kfree(elems);
+
return bss;
}
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 45e532ad1215..137be9ec94af 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -6,7 +6,7 @@
* Copyright 2014, Intel Corporation
* Copyright 2014 Intel Mobile Communications GmbH
* Copyright 2015 - 2016 Intel Deutschland GmbH
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2019, 2021 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -1684,7 +1684,7 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems = NULL;
struct sta_info *sta;
struct ieee80211_tdls_data *tf = (void *)skb->data;
bool local_initiator;
@@ -1718,16 +1718,20 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
goto call_drv;
}
- ieee802_11_parse_elems(tf->u.chan_switch_resp.variable,
- skb->len - baselen, false, &elems,
- NULL, NULL);
- if (elems.parse_error) {
+ elems = ieee802_11_parse_elems(tf->u.chan_switch_resp.variable,
+ skb->len - baselen, false, NULL, NULL);
+ if (!elems) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (elems->parse_error) {
tdls_dbg(sdata, "Invalid IEs in TDLS channel switch resp\n");
ret = -EINVAL;
goto out;
}
- if (!elems.ch_sw_timing || !elems.lnk_id) {
+ if (!elems->ch_sw_timing || !elems->lnk_id) {
tdls_dbg(sdata, "TDLS channel switch resp - missing IEs\n");
ret = -EINVAL;
goto out;
@@ -1735,15 +1739,15 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
/* validate the initiator is set correctly */
local_initiator =
- !memcmp(elems.lnk_id->init_sta, sdata->vif.addr, ETH_ALEN);
+ !memcmp(elems->lnk_id->init_sta, sdata->vif.addr, ETH_ALEN);
if (local_initiator == sta->sta.tdls_initiator) {
tdls_dbg(sdata, "TDLS chan switch invalid lnk-id initiator\n");
ret = -EINVAL;
goto out;
}
- params.switch_time = le16_to_cpu(elems.ch_sw_timing->switch_time);
- params.switch_timeout = le16_to_cpu(elems.ch_sw_timing->switch_timeout);
+ params.switch_time = le16_to_cpu(elems->ch_sw_timing->switch_time);
+ params.switch_timeout = le16_to_cpu(elems->ch_sw_timing->switch_timeout);
params.tmpl_skb =
ieee80211_tdls_ch_sw_resp_tmpl_get(sta, ¶ms.ch_sw_tm_ie);
@@ -1763,6 +1767,7 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
out:
mutex_unlock(&local->sta_mtx);
dev_kfree_skb_any(params.tmpl_skb);
+ kfree(elems);
return ret;
}
@@ -1771,7 +1776,7 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
- struct ieee802_11_elems elems;
+ struct ieee802_11_elems *elems;
struct cfg80211_chan_def chandef;
struct ieee80211_channel *chan;
enum nl80211_channel_type chan_type;
@@ -1831,22 +1836,27 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
return -EINVAL;
}
- ieee802_11_parse_elems(tf->u.chan_switch_req.variable,
- skb->len - baselen, false, &elems, NULL, NULL);
- if (elems.parse_error) {
+ elems = ieee802_11_parse_elems(tf->u.chan_switch_req.variable,
+ skb->len - baselen, false, NULL, NULL);
+ if (!elems)
+ return -ENOMEM;
+
+ if (elems->parse_error) {
tdls_dbg(sdata, "Invalid IEs in TDLS channel switch req\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto free;
}
- if (!elems.ch_sw_timing || !elems.lnk_id) {
+ if (!elems->ch_sw_timing || !elems->lnk_id) {
tdls_dbg(sdata, "TDLS channel switch req - missing IEs\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto free;
}
- if (!elems.sec_chan_offs) {
+ if (!elems->sec_chan_offs) {
chan_type = NL80211_CHAN_HT20;
} else {
- switch (elems.sec_chan_offs->sec_chan_offs) {
+ switch (elems->sec_chan_offs->sec_chan_offs) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
chan_type = NL80211_CHAN_HT40PLUS;
break;
@@ -1865,7 +1875,8 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
if (!cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &chandef,
sdata->wdev.iftype)) {
tdls_dbg(sdata, "TDLS chan switch to forbidden channel\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto free;
}
mutex_lock(&local->sta_mtx);
@@ -1881,7 +1892,7 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
/* validate the initiator is set correctly */
local_initiator =
- !memcmp(elems.lnk_id->init_sta, sdata->vif.addr, ETH_ALEN);
+ !memcmp(elems->lnk_id->init_sta, sdata->vif.addr, ETH_ALEN);
if (local_initiator == sta->sta.tdls_initiator) {
tdls_dbg(sdata, "TDLS chan switch invalid lnk-id initiator\n");
ret = -EINVAL;
@@ -1889,16 +1900,16 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
}
/* peer should have known better */
- if (!sta->sta.ht_cap.ht_supported && elems.sec_chan_offs &&
- elems.sec_chan_offs->sec_chan_offs) {
+ if (!sta->sta.ht_cap.ht_supported && elems->sec_chan_offs &&
+ elems->sec_chan_offs->sec_chan_offs) {
tdls_dbg(sdata, "TDLS chan switch - wide chan unsupported\n");
ret = -ENOTSUPP;
goto out;
}
params.chandef = &chandef;
- params.switch_time = le16_to_cpu(elems.ch_sw_timing->switch_time);
- params.switch_timeout = le16_to_cpu(elems.ch_sw_timing->switch_timeout);
+ params.switch_time = le16_to_cpu(elems->ch_sw_timing->switch_time);
+ params.switch_timeout = le16_to_cpu(elems->ch_sw_timing->switch_timeout);
params.tmpl_skb =
ieee80211_tdls_ch_sw_resp_tmpl_get(sta,
@@ -1917,6 +1928,8 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
out:
mutex_unlock(&local->sta_mtx);
dev_kfree_skb_any(params.tmpl_skb);
+free:
+ kfree(elems);
return ret;
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index be1911d8089f..354badd32793 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1117,10 +1117,6 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
} else
elem_parse_failed = true;
break;
- case WLAN_EID_CHALLENGE:
- elems->challenge = pos;
- elems->challenge_len = elen;
- break;
case WLAN_EID_VENDOR_SPECIFIC:
if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
pos[2] == 0xf2) {
@@ -1400,8 +1396,8 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
struct ieee802_11_elems *elems,
- u8 *transmitter_bssid,
- u8 *bss_bssid,
+ const u8 *transmitter_bssid,
+ const u8 *bss_bssid,
u8 *nontransmitted_profile)
{
const struct element *elem, *sub;
@@ -1414,6 +1410,8 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, start, len) {
if (elem->datalen < 2)
continue;
+ if (elem->data[0] < 1 || elem->data[0] > 8)
+ continue;
for_each_element(sub, elem->data + 1, elem->datalen - 1) {
u8 new_bssid[ETH_ALEN];
@@ -1466,31 +1464,36 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
return found ? profile_len : 0;
}
-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
- struct ieee802_11_elems *elems,
- u64 filter, u32 crc, u8 *transmitter_bssid,
- u8 *bss_bssid)
+struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
+ bool action, u64 filter,
+ u32 crc,
+ const u8 *transmitter_bssid,
+ const u8 *bss_bssid)
{
+ struct ieee802_11_elems *elems;
const struct element *non_inherit = NULL;
u8 *nontransmitted_profile;
int nontransmitted_profile_len = 0;
- memset(elems, 0, sizeof(*elems));
+ elems = kzalloc(sizeof(*elems) + len, GFP_ATOMIC);
+ if (!elems)
+ return NULL;
elems->ie_start = start;
elems->total_len = len;
- nontransmitted_profile = kmalloc(len, GFP_ATOMIC);
- if (nontransmitted_profile) {
- nontransmitted_profile_len =
- ieee802_11_find_bssid_profile(start, len, elems,
- transmitter_bssid,
- bss_bssid,
- nontransmitted_profile);
- non_inherit =
- cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
- nontransmitted_profile,
- nontransmitted_profile_len);
- }
+ elems->scratch_len = len;
+ elems->scratch_pos = elems->scratch;
+
+ nontransmitted_profile = elems->scratch_pos;
+ nontransmitted_profile_len =
+ ieee802_11_find_bssid_profile(start, len, elems,
+ transmitter_bssid,
+ bss_bssid,
+ nontransmitted_profile);
+ non_inherit =
+ cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
+ nontransmitted_profile,
+ nontransmitted_profile_len);
crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter,
crc, non_inherit);
@@ -1519,9 +1522,9 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
offsetofend(struct ieee80211_bssid_index, dtim_count))
elems->dtim_count = elems->bssid_index->dtim_count;
- kfree(nontransmitted_profile);
+ elems->crc = crc;
- return crc;
+ return elems;
}
void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 1a8b76c9dd56..f0de22a6caf7 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -143,18 +143,12 @@ static inline void bss_ref_get(struct cfg80211_registered_device *rdev,
lockdep_assert_held(&rdev->bss_lock);
bss->refcount++;
- if (bss->pub.hidden_beacon_bss) {
- bss = container_of(bss->pub.hidden_beacon_bss,
- struct cfg80211_internal_bss,
- pub);
- bss->refcount++;
- }
- if (bss->pub.transmitted_bss) {
- bss = container_of(bss->pub.transmitted_bss,
- struct cfg80211_internal_bss,
- pub);
- bss->refcount++;
- }
+
+ if (bss->pub.hidden_beacon_bss)
+ bss_from_pub(bss->pub.hidden_beacon_bss)->refcount++;
+
+ if (bss->pub.transmitted_bss)
+ bss_from_pub(bss->pub.transmitted_bss)->refcount++;
}
static inline void bss_ref_put(struct cfg80211_registered_device *rdev,
@@ -304,7 +298,8 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
tmp_old = cfg80211_find_ie(WLAN_EID_SSID, ie, ielen);
tmp_old = (tmp_old) ? tmp_old + tmp_old[1] + 2 : ie;
- while (tmp_old + tmp_old[1] + 2 - ie <= ielen) {
+ while (tmp_old + 2 - ie <= ielen &&
+ tmp_old + tmp_old[1] + 2 - ie <= ielen) {
if (tmp_old[0] == 0) {
tmp_old++;
continue;
@@ -364,7 +359,8 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
* copied to new ie, skip ssid, capability, bssid-index ie
*/
tmp_new = sub_copy;
- while (tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) {
+ while (tmp_new + 2 - sub_copy <= subie_len &&
+ tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) {
if (!(tmp_new[0] == WLAN_EID_NON_TX_BSSID_CAP ||
tmp_new[0] == WLAN_EID_SSID)) {
memcpy(pos, tmp_new, tmp_new[1] + 2);
@@ -429,6 +425,15 @@ cfg80211_add_nontrans_list(struct cfg80211_bss *trans_bss,
rcu_read_unlock();
+ /*
+ * This is a bit weird - it's not on the list, but already on another
+ * one! The only way that could happen is if there's some BSSID/SSID
+ * shared by multiple APs in their multi-BSSID profiles, potentially
+ * with hidden SSID mixed in ... ignore it.
+ */
+ if (!list_empty(&nontrans_bss->nontrans_list))
+ return -EINVAL;
+
/* add to the list */
list_add_tail(&nontrans_bss->nontrans_list, &trans_bss->nontrans_list);
return 0;
@@ -1604,6 +1609,23 @@ struct cfg80211_non_tx_bss {
u8 bssid_index;
};
+static void cfg80211_update_hidden_bsses(struct cfg80211_internal_bss *known,
+ const struct cfg80211_bss_ies *new_ies,
+ const struct cfg80211_bss_ies *old_ies)
+{
+ struct cfg80211_internal_bss *bss;
+
+ /* Assign beacon IEs to all sub entries */
+ list_for_each_entry(bss, &known->hidden_list, hidden_list) {
+ const struct cfg80211_bss_ies *ies;
+
+ ies = rcu_access_pointer(bss->pub.beacon_ies);
+ WARN_ON(ies != old_ies);
+
+ rcu_assign_pointer(bss->pub.beacon_ies, new_ies);
+ }
+}
+
static bool
cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
struct cfg80211_internal_bss *known,
@@ -1627,7 +1649,6 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
} else if (rcu_access_pointer(new->pub.beacon_ies)) {
const struct cfg80211_bss_ies *old;
- struct cfg80211_internal_bss *bss;
if (known->pub.hidden_beacon_bss &&
!list_empty(&known->hidden_list)) {
@@ -1655,16 +1676,7 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
if (old == rcu_access_pointer(known->pub.ies))
rcu_assign_pointer(known->pub.ies, new->pub.beacon_ies);
- /* Assign beacon IEs to all sub entries */
- list_for_each_entry(bss, &known->hidden_list, hidden_list) {
- const struct cfg80211_bss_ies *ies;
-
- ies = rcu_access_pointer(bss->pub.beacon_ies);
- WARN_ON(ies != old);
-
- rcu_assign_pointer(bss->pub.beacon_ies,
- new->pub.beacon_ies);
- }
+ cfg80211_update_hidden_bsses(known, new->pub.beacon_ies, old);
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
@@ -1741,6 +1753,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
new->refcount = 1;
INIT_LIST_HEAD(&new->hidden_list);
INIT_LIST_HEAD(&new->pub.nontrans_list);
+ /* we'll set this later if it was non-NULL */
+ new->pub.transmitted_bss = NULL;
if (rcu_access_pointer(tmp->pub.proberesp_ies)) {
hidden = rb_find_bss(rdev, tmp, BSS_CMP_HIDE_ZLEN);
@@ -1981,10 +1995,15 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
spin_lock_bh(&rdev->bss_lock);
if (cfg80211_add_nontrans_list(non_tx_data->tx_bss,
&res->pub)) {
- if (__cfg80211_unlink_bss(rdev, res))
+ if (__cfg80211_unlink_bss(rdev, res)) {
rdev->bss_generation++;
+ res = NULL;
+ }
}
spin_unlock_bh(&rdev->bss_lock);
+
+ if (!res)
+ return NULL;
}
trace_cfg80211_return_bss(&res->pub);
@@ -2103,6 +2122,8 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy,
for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, ie, ielen) {
if (elem->datalen < 4)
continue;
+ if (elem->data[0] < 1 || (int)elem->data[0] > 8)
+ continue;
for_each_element(sub, elem->data + 1, elem->datalen - 1) {
u8 profile_len;
@@ -2238,7 +2259,7 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy,
size_t new_ie_len;
struct cfg80211_bss_ies *new_ies;
const struct cfg80211_bss_ies *old;
- u8 cpy_len;
+ size_t cpy_len;
lockdep_assert_held(&wiphy_to_rdev(wiphy)->bss_lock);
@@ -2305,6 +2326,8 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy,
} else {
old = rcu_access_pointer(nontrans_bss->beacon_ies);
rcu_assign_pointer(nontrans_bss->beacon_ies, new_ies);
+ cfg80211_update_hidden_bsses(bss_from_pub(nontrans_bss),
+ new_ies, old);
rcu_assign_pointer(nontrans_bss->ies, new_ies);
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
index 555d2dfc0ff7..185c609c6e38 100644
--- a/security/integrity/platform_certs/load_uefi.c
+++ b/security/integrity/platform_certs/load_uefi.c
@@ -30,7 +30,7 @@ static const struct dmi_system_id uefi_skip_cert[] = {
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir8,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir8,2") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir9,1") },
- { UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacMini8,1") },
+ { UEFI_QUIRK_SKIP_CERT("Apple Inc.", "Macmini8,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacPro7,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "iMac20,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "iMac20,2") },
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cc94da9151c3..b5b71a285119 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2523,7 +2523,8 @@ static const struct pci_device_id azx_ids[] = {
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
/* Poulsbo */
{ PCI_DEVICE(0x8086, 0x811b),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE |
+ AZX_DCAPS_POSFIX_LPIB },
/* Oaktrail */
{ PCI_DEVICE(0x8086, 0x080a),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
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