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Message-Id: <16326605784389@kroah.com>
Date: Sun, 26 Sep 2021 14:49:39 +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 4.9.284
diff --git a/Makefile b/Makefile
index ef029a28bb53..9605f840f94b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 283
+SUBLEVEL = 284
EXTRAVERSION =
NAME = Roaring Lionus
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 53bb9700cf41..3d88c56d30f9 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -591,10 +591,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT4(0xb9080000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_ADD | BPF_K: /* dst = (u32) dst + (u32) imm */
- if (!imm)
- break;
- /* alfi %dst,imm */
- EMIT6_IMM(0xc20b0000, dst_reg, imm);
+ if (imm != 0) {
+ /* alfi %dst,imm */
+ EMIT6_IMM(0xc20b0000, dst_reg, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_ADD | BPF_K: /* dst = dst + imm */
@@ -616,10 +616,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT4(0xb9090000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_SUB | BPF_K: /* dst = (u32) dst - (u32) imm */
- if (!imm)
- break;
- /* alfi %dst,-imm */
- EMIT6_IMM(0xc20b0000, dst_reg, -imm);
+ if (imm != 0) {
+ /* alfi %dst,-imm */
+ EMIT6_IMM(0xc20b0000, dst_reg, -imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_SUB | BPF_K: /* dst = dst - imm */
@@ -646,10 +646,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT4(0xb90c0000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_MUL | BPF_K: /* dst = (u32) dst * (u32) imm */
- if (imm == 1)
- break;
- /* msfi %r5,imm */
- EMIT6_IMM(0xc2010000, dst_reg, imm);
+ if (imm != 1) {
+ /* msfi %r5,imm */
+ EMIT6_IMM(0xc2010000, dst_reg, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_MUL | BPF_K: /* dst = dst * imm */
@@ -710,6 +710,8 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
if (BPF_OP(insn->code) == BPF_MOD)
/* lhgi %dst,0 */
EMIT4_IMM(0xa7090000, dst_reg, 0);
+ else
+ EMIT_ZERO(dst_reg);
break;
}
/* lhi %w0,0 */
@@ -802,10 +804,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT4(0xb9820000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_XOR | BPF_K: /* dst = (u32) dst ^ (u32) imm */
- if (!imm)
- break;
- /* xilf %dst,imm */
- EMIT6_IMM(0xc0070000, dst_reg, imm);
+ if (imm != 0) {
+ /* xilf %dst,imm */
+ EMIT6_IMM(0xc0070000, dst_reg, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_XOR | BPF_K: /* dst = dst ^ imm */
@@ -826,10 +828,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT6_DISP_LH(0xeb000000, 0x000d, dst_reg, dst_reg, src_reg, 0);
break;
case BPF_ALU | BPF_LSH | BPF_K: /* dst = (u32) dst << (u32) imm */
- if (imm == 0)
- break;
- /* sll %dst,imm(%r0) */
- EMIT4_DISP(0x89000000, dst_reg, REG_0, imm);
+ if (imm != 0) {
+ /* sll %dst,imm(%r0) */
+ EMIT4_DISP(0x89000000, dst_reg, REG_0, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_LSH | BPF_K: /* dst = dst << imm */
@@ -851,10 +853,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT6_DISP_LH(0xeb000000, 0x000c, dst_reg, dst_reg, src_reg, 0);
break;
case BPF_ALU | BPF_RSH | BPF_K: /* dst = (u32) dst >> (u32) imm */
- if (imm == 0)
- break;
- /* srl %dst,imm(%r0) */
- EMIT4_DISP(0x88000000, dst_reg, REG_0, imm);
+ if (imm != 0) {
+ /* srl %dst,imm(%r0) */
+ EMIT4_DISP(0x88000000, dst_reg, REG_0, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_RSH | BPF_K: /* dst = dst >> imm */
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 3a4c9a3c1427..6435dc25be0a 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1584,6 +1584,7 @@ int blk_throtl_init(struct request_queue *q)
void blk_throtl_exit(struct request_queue *q)
{
BUG_ON(!q->td);
+ del_timer_sync(&q->td->service_queue.pending_timer);
throtl_shutdown_wq(q);
blkcg_deactivate_policy(q, &blkcg_policy_throtl);
kfree(q->td);
diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c
index ee63ccaea8d5..8c05e7a5e777 100644
--- a/drivers/base/power/wakeirq.c
+++ b/drivers/base/power/wakeirq.c
@@ -320,7 +320,8 @@ void dev_pm_arm_wake_irq(struct wake_irq *wirq)
return;
if (device_may_wakeup(wirq->dev)) {
- if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED)
+ if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED &&
+ !pm_runtime_status_suspended(wirq->dev))
enable_irq(wirq->irq);
enable_irq_wake(wirq->irq);
@@ -342,7 +343,8 @@ void dev_pm_disarm_wake_irq(struct wake_irq *wirq)
if (device_may_wakeup(wirq->dev)) {
disable_irq_wake(wirq->irq);
- if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED)
+ if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED &&
+ !pm_runtime_status_suspended(wirq->dev))
disable_irq_nosync(wirq->irq);
}
}
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 15eb1501915c..ef9515e9f213 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -816,7 +816,7 @@ static void talitos_unregister_rng(struct device *dev)
* HMAC_SNOOP_NO_AFEA (HSNA) instead of type IPSEC_ESP
*/
#define TALITOS_CRA_PRIORITY_AEAD_HSNA (TALITOS_CRA_PRIORITY - 1)
-#ifdef CONFIG_CRYPTO_DEV_TALITOS_SEC2
+#ifdef CONFIG_CRYPTO_DEV_TALITOS2
#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA512_BLOCK_SIZE)
#else
#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA256_BLOCK_SIZE)
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index b0f798244a89..9a6da9b2dad3 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -238,7 +238,7 @@ config INTEL_IDMA64
config INTEL_IOATDMA
tristate "Intel I/OAT DMA support"
- depends on PCI && X86_64
+ depends on PCI && X86_64 && !UML
select DMA_ENGINE
select DMA_ENGINE_RAID
select DCA
diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
index 4a748c3435d7..02149742b334 100644
--- a/drivers/dma/acpi-dma.c
+++ b/drivers/dma/acpi-dma.c
@@ -72,10 +72,14 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
si = (const struct acpi_csrt_shared_info *)&grp[1];
- /* Match device by MMIO and IRQ */
+ /* Match device by MMIO */
if (si->mmio_base_low != lower_32_bits(mem) ||
- si->mmio_base_high != upper_32_bits(mem) ||
- si->gsi_interrupt != irq)
+ si->mmio_base_high != upper_32_bits(mem))
+ return 0;
+
+ /* Match device by Linux vIRQ */
+ ret = acpi_register_gsi(NULL, si->gsi_interrupt, si->interrupt_mode, si->interrupt_polarity);
+ if (ret != irq)
return 0;
dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n",
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index f00652585ee3..d88c53ff7bb6 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2578,7 +2578,7 @@ static int xilinx_dma_probe(struct platform_device *pdev)
xdev->ext_addr = false;
/* Set the dma mask bits */
- dma_set_mask(xdev->dev, DMA_BIT_MASK(addr_width));
+ dma_set_mask_and_coherent(xdev->dev, DMA_BIT_MASK(addr_width));
/* Initialize the DMA engine */
xdev->common.dev = &pdev->dev;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
index b0ece71aefde..ce774579c89d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
@@ -57,7 +57,7 @@ nvkm_control_mthd_pstate_info(struct nvkm_control *ctrl, void *data, u32 size)
args->v0.count = 0;
args->v0.ustate_ac = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE;
args->v0.ustate_dc = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE;
- args->v0.pwrsrc = -ENOSYS;
+ args->v0.pwrsrc = -ENODEV;
args->v0.pstate = NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_UNKNOWN;
}
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index d842ae5310f7..bbcff6ae61d6 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -160,15 +160,6 @@ struct dino_device
(struct dino_device *)__pdata; })
-/* Check if PCI device is behind a Card-mode Dino. */
-static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
-{
- struct dino_device *dino_dev;
-
- dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
- return is_card_dino(&dino_dev->hba.dev->id);
-}
-
/*
* Dino Configuration Space Accessor Functions
*/
@@ -452,6 +443,15 @@ static void quirk_cirrus_cardbus(struct pci_dev *dev)
DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6832, quirk_cirrus_cardbus );
#ifdef CONFIG_TULIP
+/* Check if PCI device is behind a Card-mode Dino. */
+static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
+{
+ struct dino_device *dino_dev;
+
+ dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
+ return is_card_dino(&dino_dev->hba.dev->id);
+}
+
static void pci_fixup_tulip(struct pci_dev *dev)
{
if (!pci_dev_is_behind_card_dino(dev))
diff --git a/drivers/pwm/pwm-lpc32xx.c b/drivers/pwm/pwm-lpc32xx.c
index a9b3cff96aac..ed8e9406b4af 100644
--- a/drivers/pwm/pwm-lpc32xx.c
+++ b/drivers/pwm/pwm-lpc32xx.c
@@ -124,17 +124,17 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev)
lpc32xx->chip.npwm = 1;
lpc32xx->chip.base = -1;
+ /* If PWM is disabled, configure the output to the default value */
+ val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
+ val &= ~PWM_PIN_LEVEL;
+ writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
+
ret = pwmchip_add(&lpc32xx->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to add PWM chip, error %d\n", ret);
return ret;
}
- /* When PWM is disable, configure the output to the default value */
- val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
- val &= ~PWM_PIN_LEVEL;
- writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
-
platform_set_drvdata(pdev, lpc32xx);
return 0;
diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
index 22c481f2ae4f..2a35b99cf628 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/ion_system_heap.c
@@ -75,7 +75,7 @@ static struct page *alloc_buffer_page(struct ion_system_heap *heap,
page = ion_page_pool_alloc(pool);
- if (cached)
+ if (page && cached)
ion_pages_sync_for_device(NULL, page, PAGE_SIZE << order,
DMA_BIDIRECTIONAL);
return page;
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index c974cb5fb958..02510c191c7d 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -1372,6 +1372,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk");
if (IS_ERR(data->sclk)) {
dev_err(&pdev->dev, "Failed to get sclk\n");
+ ret = PTR_ERR(data->sclk);
goto err_clk;
} else {
ret = clk_prepare_enable(data->sclk);
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 0eb2ada032c7..839bccbcc9d6 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1572,6 +1572,8 @@ static int __mark_caps_flushing(struct inode *inode,
* try to invalidate mapping pages without blocking.
*/
static int try_nonblocking_invalidate(struct inode *inode)
+ __releases(ci->i_ceph_lock)
+ __acquires(ci->i_ceph_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
u32 invalidating_gen = ci->i_rdcache_gen;
diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
index e9903bceb2bf..33fba75aa9f3 100644
--- a/fs/nilfs2/sysfs.c
+++ b/fs/nilfs2/sysfs.c
@@ -73,11 +73,9 @@ static const struct sysfs_ops nilfs_##name##_attr_ops = { \
#define NILFS_DEV_INT_GROUP_TYPE(name, parent_name) \
static void nilfs_##name##_attr_release(struct kobject *kobj) \
{ \
- struct nilfs_sysfs_##parent_name##_subgroups *subgroups; \
- struct the_nilfs *nilfs = container_of(kobj->parent, \
- struct the_nilfs, \
- ns_##parent_name##_kobj); \
- subgroups = nilfs->ns_##parent_name##_subgroups; \
+ struct nilfs_sysfs_##parent_name##_subgroups *subgroups = container_of(kobj, \
+ struct nilfs_sysfs_##parent_name##_subgroups, \
+ sg_##name##_kobj); \
complete(&subgroups->sg_##name##_kobj_unregister); \
} \
static struct kobj_type nilfs_##name##_ktype = { \
@@ -103,12 +101,12 @@ static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
err = kobject_init_and_add(kobj, &nilfs_##name##_ktype, parent, \
#name); \
if (err) \
- return err; \
- return 0; \
+ kobject_put(kobj); \
+ return err; \
} \
static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
{ \
- kobject_del(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
+ kobject_put(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
}
/************************************************************************
@@ -219,14 +217,14 @@ int nilfs_sysfs_create_snapshot_group(struct nilfs_root *root)
}
if (err)
- return err;
+ kobject_put(&root->snapshot_kobj);
- return 0;
+ return err;
}
void nilfs_sysfs_delete_snapshot_group(struct nilfs_root *root)
{
- kobject_del(&root->snapshot_kobj);
+ kobject_put(&root->snapshot_kobj);
}
/************************************************************************
@@ -1010,7 +1008,7 @@ int nilfs_sysfs_create_device_group(struct super_block *sb)
err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,
"%s", sb->s_id);
if (err)
- goto free_dev_subgroups;
+ goto cleanup_dev_kobject;
err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);
if (err)
@@ -1047,9 +1045,7 @@ int nilfs_sysfs_create_device_group(struct super_block *sb)
nilfs_sysfs_delete_mounted_snapshots_group(nilfs);
cleanup_dev_kobject:
- kobject_del(&nilfs->ns_dev_kobj);
-
-free_dev_subgroups:
+ kobject_put(&nilfs->ns_dev_kobj);
kfree(nilfs->ns_dev_subgroups);
failed_create_device_group:
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index b46133a41f55..c0707e9bd918 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -470,7 +470,7 @@ struct sctp_af {
int saddr);
void (*from_sk) (union sctp_addr *,
struct sock *sk);
- void (*from_addr_param) (union sctp_addr *,
+ bool (*from_addr_param) (union sctp_addr *,
union sctp_addr_param *,
__be16 port, int iif);
int (*to_addr_param) (const union sctp_addr *,
diff --git a/kernel/profile.c b/kernel/profile.c
index 2dbccf2d806c..9c78e3ab4b42 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -38,7 +38,8 @@ struct profile_hit {
#define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ)
static atomic_t *prof_buffer;
-static unsigned long prof_len, prof_shift;
+static unsigned long prof_len;
+static unsigned short int prof_shift;
int prof_on __read_mostly;
EXPORT_SYMBOL_GPL(prof_on);
@@ -64,8 +65,8 @@ int profile_setup(char *str)
if (str[strlen(sleepstr)] == ',')
str += strlen(sleepstr) + 1;
if (get_option(&str, &par))
- prof_shift = par;
- pr_info("kernel sleep profiling enabled (shift: %ld)\n",
+ prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
+ pr_info("kernel sleep profiling enabled (shift: %u)\n",
prof_shift);
#else
pr_warn("kernel sleep profiling requires CONFIG_SCHEDSTATS\n");
@@ -75,21 +76,21 @@ int profile_setup(char *str)
if (str[strlen(schedstr)] == ',')
str += strlen(schedstr) + 1;
if (get_option(&str, &par))
- prof_shift = par;
- pr_info("kernel schedule profiling enabled (shift: %ld)\n",
+ prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
+ pr_info("kernel schedule profiling enabled (shift: %u)\n",
prof_shift);
} else if (!strncmp(str, kvmstr, strlen(kvmstr))) {
prof_on = KVM_PROFILING;
if (str[strlen(kvmstr)] == ',')
str += strlen(kvmstr) + 1;
if (get_option(&str, &par))
- prof_shift = par;
- pr_info("kernel KVM profiling enabled (shift: %ld)\n",
+ prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
+ pr_info("kernel KVM profiling enabled (shift: %u)\n",
prof_shift);
} else if (get_option(&str, &par)) {
- prof_shift = par;
+ prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
prof_on = CPU_PROFILING;
- pr_info("kernel profiling enabled (shift: %ld)\n",
+ pr_info("kernel profiling enabled (shift: %u)\n",
prof_shift);
}
return 1;
@@ -465,7 +466,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
unsigned long p = *ppos;
ssize_t read;
char *pnt;
- unsigned int sample_step = 1 << prof_shift;
+ unsigned long sample_step = 1UL << prof_shift;
profile_flip_buffers();
if (p >= (prof_len+1)*sizeof(unsigned int))
diff --git a/kernel/sys.c b/kernel/sys.c
index 546cdc911dad..2e1def48ed73 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1774,13 +1774,6 @@ static int validate_prctl_map(struct prctl_mm_map *prctl_map)
error = -EINVAL;
- /*
- * @brk should be after @end_data in traditional maps.
- */
- if (prctl_map->start_brk <= prctl_map->end_data ||
- prctl_map->brk <= prctl_map->end_data)
- goto out;
-
/*
* Neither we should allow to override limits if they set.
*/
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index f88911cffa1a..c6a46e8e9eda 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -602,7 +602,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
chan->vc_wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL);
if (!chan->vc_wq) {
err = -ENOMEM;
- goto out_free_tag;
+ goto out_remove_file;
}
init_waitqueue_head(chan->vc_wq);
chan->ring_bufs_avail = 1;
@@ -620,6 +620,8 @@ static int p9_virtio_probe(struct virtio_device *vdev)
return 0;
+out_remove_file:
+ sysfs_remove_file(&vdev->dev.kobj, &dev_attr_mount_tag.attr);
out_free_tag:
kfree(tag);
out_free_vq:
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index dc4335d817d8..dd9532c5c19d 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -285,20 +285,16 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list,
rawaddr = (union sctp_addr_param *)raw_addr_list;
af = sctp_get_af_specific(param_type2af(param->type));
- if (unlikely(!af)) {
+ if (unlikely(!af) ||
+ !af->from_addr_param(&addr, rawaddr, htons(port), 0)) {
retval = -EINVAL;
- sctp_bind_addr_clean(bp);
- break;
+ goto out_err;
}
- af->from_addr_param(&addr, rawaddr, htons(port), 0);
retval = sctp_add_bind_addr(bp, &addr, sizeof(addr),
SCTP_ADDR_SRC, gfp);
- if (retval) {
- /* Can't finish building the list, clean up. */
- sctp_bind_addr_clean(bp);
- break;
- }
+ if (retval)
+ goto out_err;
len = ntohs(param->length);
addrs_len -= len;
@@ -306,6 +302,12 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list,
}
return retval;
+
+out_err:
+ if (retval)
+ sctp_bind_addr_clean(bp);
+
+ return retval;
}
/********************************************************************
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 8f4574c4aa6c..9c1670b4a687 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1051,7 +1051,8 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct net *net,
if (!af)
continue;
- af->from_addr_param(paddr, params.addr, sh->source, 0);
+ if (!af->from_addr_param(paddr, params.addr, sh->source, 0))
+ continue;
asoc = __sctp_lookup_association(net, laddr, paddr, transportp);
if (asoc)
@@ -1087,6 +1088,9 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
union sctp_addr_param *param;
union sctp_addr paddr;
+ if (ntohs(ch->length) < sizeof(*asconf) + sizeof(struct sctp_paramhdr))
+ return NULL;
+
/* Skip over the ADDIP header and find the Address parameter */
param = (union sctp_addr_param *)(asconf + 1);
@@ -1094,7 +1098,8 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
if (unlikely(!af))
return NULL;
- af->from_addr_param(&paddr, param, peer_port, 0);
+ if (af->from_addr_param(&paddr, param, peer_port, 0))
+ return NULL;
return __sctp_lookup_association(net, laddr, &paddr, transportp);
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 50bc8c4ca906..01337204d2b6 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -490,15 +490,20 @@ static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
}
/* Initialize a sctp_addr from an address parameter. */
-static void sctp_v6_from_addr_param(union sctp_addr *addr,
+static bool sctp_v6_from_addr_param(union sctp_addr *addr,
union sctp_addr_param *param,
__be16 port, int iif)
{
+ if (ntohs(param->v6.param_hdr.length) < sizeof(struct sctp_ipv6addr_param))
+ return false;
+
addr->v6.sin6_family = AF_INET6;
addr->v6.sin6_port = port;
addr->v6.sin6_flowinfo = 0; /* BUG */
addr->v6.sin6_addr = param->v6.addr;
addr->v6.sin6_scope_id = iif;
+
+ return true;
}
/* Initialize an address parameter from a sctp_addr and return the length
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index b1932fd125da..02afbe571008 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -274,14 +274,19 @@ static void sctp_v4_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
}
/* Initialize a sctp_addr from an address parameter. */
-static void sctp_v4_from_addr_param(union sctp_addr *addr,
+static bool sctp_v4_from_addr_param(union sctp_addr *addr,
union sctp_addr_param *param,
__be16 port, int iif)
{
+ if (ntohs(param->v4.param_hdr.length) < sizeof(struct sctp_ipv4addr_param))
+ return false;
+
addr->v4.sin_family = AF_INET;
addr->v4.sin_port = port;
addr->v4.sin_addr.s_addr = param->v4.addr.s_addr;
memset(addr->v4.sin_zero, 0, sizeof(addr->v4.sin_zero));
+
+ return true;
}
/* Initialize an address parameter from a sctp_addr and return the length
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 0c5aff3bb539..2e2802f04700 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2155,9 +2155,16 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
break;
case SCTP_PARAM_SET_PRIMARY:
- if (net->sctp.addip_enable)
- break;
- goto fallthrough;
+ if (!net->sctp.addip_enable)
+ goto fallthrough;
+
+ if (ntohs(param.p->length) < sizeof(struct sctp_addip_param) +
+ sizeof(struct sctp_paramhdr)) {
+ sctp_process_inv_paramlength(asoc, param.p,
+ chunk, err_chunk);
+ retval = SCTP_IERROR_ABORT;
+ }
+ break;
case SCTP_PARAM_HOST_NAME_ADDRESS:
/* Tell the peer, we won't support this param. */
@@ -2335,11 +2342,13 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk,
/* Process the initialization parameters. */
sctp_walk_params(param, peer_init, init_hdr.params) {
- if (!src_match && (param.p->type == SCTP_PARAM_IPV4_ADDRESS ||
- param.p->type == SCTP_PARAM_IPV6_ADDRESS)) {
+ if (!src_match &&
+ (param.p->type == SCTP_PARAM_IPV4_ADDRESS ||
+ param.p->type == SCTP_PARAM_IPV6_ADDRESS)) {
af = sctp_get_af_specific(param_type2af(param.p->type));
- af->from_addr_param(&addr, param.addr,
- chunk->sctp_hdr->source, 0);
+ if (!af->from_addr_param(&addr, param.addr,
+ chunk->sctp_hdr->source, 0))
+ continue;
if (sctp_cmp_addr_exact(sctp_source(chunk), &addr))
src_match = 1;
}
@@ -2533,7 +2542,8 @@ static int sctp_process_param(struct sctp_association *asoc,
break;
do_addr_param:
af = sctp_get_af_specific(param_type2af(param.p->type));
- af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0);
+ if (!af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0))
+ break;
scope = sctp_scope(peer_addr);
if (sctp_in_scope(net, &addr, scope))
if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED))
@@ -2626,15 +2636,13 @@ static int sctp_process_param(struct sctp_association *asoc,
addr_param = param.v + sizeof(sctp_addip_param_t);
af = sctp_get_af_specific(param_type2af(addr_param->p.type));
- if (af == NULL)
+ if (!af)
break;
- af->from_addr_param(&addr, addr_param,
- htons(asoc->peer.port), 0);
+ if (!af->from_addr_param(&addr, addr_param,
+ htons(asoc->peer.port), 0))
+ break;
- /* if the address is invalid, we can't process it.
- * XXX: see spec for what to do.
- */
if (!af->addr_valid(&addr, NULL, NULL))
break;
@@ -3046,7 +3054,8 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
if (unlikely(!af))
return SCTP_ERROR_DNS_FAILED;
- af->from_addr_param(&addr, addr_param, htons(asoc->peer.port), 0);
+ if (!af->from_addr_param(&addr, addr_param, htons(asoc->peer.port), 0))
+ return SCTP_ERROR_DNS_FAILED;
/* ADDIP 4.2.1 This parameter MUST NOT contain a broadcast
* or multicast address.
@@ -3311,7 +3320,8 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
/* We have checked the packet before, so we do not check again. */
af = sctp_get_af_specific(param_type2af(addr_param->p.type));
- af->from_addr_param(&addr, addr_param, htons(bp->port), 0);
+ if (!af->from_addr_param(&addr, addr_param, htons(bp->port), 0))
+ return;
switch (asconf_param->param_hdr.type) {
case SCTP_PARAM_ADD_IP:
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