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Message-Id: <1616235796118206@kroah.com>
Date: Sat, 20 Mar 2021 11:23:16 +0100
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 5.10.25
diff --git a/Makefile b/Makefile
index 3a435c928e75..6858425cbe6c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 24
+SUBLEVEL = 25
EXTRAVERSION =
NAME = Dare mighty things
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index 1852b19a73a0..57aef3f5a81e 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -318,7 +318,7 @@ _initial_blocks_\@:
# Main loop - Encrypt/Decrypt remaining blocks
- cmp $0, %r13
+ test %r13, %r13
je _zero_cipher_left_\@
sub $64, %r13
je _four_cipher_left_\@
@@ -437,7 +437,7 @@ _multiple_of_16_bytes_\@:
mov PBlockLen(%arg2), %r12
- cmp $0, %r12
+ test %r12, %r12
je _partial_done\@
GHASH_MUL %xmm8, %xmm13, %xmm9, %xmm10, %xmm11, %xmm5, %xmm6
@@ -474,7 +474,7 @@ _T_8_\@:
add $8, %r10
sub $8, %r11
psrldq $8, %xmm0
- cmp $0, %r11
+ test %r11, %r11
je _return_T_done_\@
_T_4_\@:
movd %xmm0, %eax
@@ -482,7 +482,7 @@ _T_4_\@:
add $4, %r10
sub $4, %r11
psrldq $4, %xmm0
- cmp $0, %r11
+ test %r11, %r11
je _return_T_done_\@
_T_123_\@:
movd %xmm0, %eax
@@ -619,7 +619,7 @@ _get_AAD_blocks\@:
/* read the last <16B of AAD */
_get_AAD_rest\@:
- cmp $0, %r11
+ test %r11, %r11
je _get_AAD_done\@
READ_PARTIAL_BLOCK %r10, %r11, \TMP1, \TMP7
@@ -640,7 +640,7 @@ _get_AAD_done\@:
.macro PARTIAL_BLOCK CYPH_PLAIN_OUT PLAIN_CYPH_IN PLAIN_CYPH_LEN DATA_OFFSET \
AAD_HASH operation
mov PBlockLen(%arg2), %r13
- cmp $0, %r13
+ test %r13, %r13
je _partial_block_done_\@ # Leave Macro if no partial blocks
# Read in input data without over reading
cmp $16, \PLAIN_CYPH_LEN
@@ -692,7 +692,7 @@ _no_extra_mask_1_\@:
pshufb %xmm2, %xmm3
pxor %xmm3, \AAD_HASH
- cmp $0, %r10
+ test %r10, %r10
jl _partial_incomplete_1_\@
# GHASH computation for the last <16 Byte block
@@ -727,7 +727,7 @@ _no_extra_mask_2_\@:
pshufb %xmm2, %xmm9
pxor %xmm9, \AAD_HASH
- cmp $0, %r10
+ test %r10, %r10
jl _partial_incomplete_2_\@
# GHASH computation for the last <16 Byte block
@@ -747,7 +747,7 @@ _encode_done_\@:
pshufb %xmm2, %xmm9
.endif
# output encrypted Bytes
- cmp $0, %r10
+ test %r10, %r10
jl _partial_fill_\@
mov %r13, %r12
mov $16, %r13
@@ -2715,25 +2715,18 @@ SYM_FUNC_END(aesni_ctr_enc)
pxor CTR, IV;
/*
- * void aesni_xts_crypt8(const struct crypto_aes_ctx *ctx, u8 *dst,
- * const u8 *src, bool enc, le128 *iv)
+ * void aesni_xts_encrypt(const struct crypto_aes_ctx *ctx, u8 *dst,
+ * const u8 *src, unsigned int len, le128 *iv)
*/
-SYM_FUNC_START(aesni_xts_crypt8)
+SYM_FUNC_START(aesni_xts_encrypt)
FRAME_BEGIN
- cmpb $0, %cl
- movl $0, %ecx
- movl $240, %r10d
- leaq _aesni_enc4, %r11
- leaq _aesni_dec4, %rax
- cmovel %r10d, %ecx
- cmoveq %rax, %r11
movdqa .Lgf128mul_x_ble_mask, GF128MUL_MASK
movups (IVP), IV
mov 480(KEYP), KLEN
- addq %rcx, KEYP
+.Lxts_enc_loop4:
movdqa IV, STATE1
movdqu 0x00(INP), INC
pxor INC, STATE1
@@ -2757,71 +2750,103 @@ SYM_FUNC_START(aesni_xts_crypt8)
pxor INC, STATE4
movdqu IV, 0x30(OUTP)
- CALL_NOSPEC r11
+ call _aesni_enc4
movdqu 0x00(OUTP), INC
pxor INC, STATE1
movdqu STATE1, 0x00(OUTP)
- _aesni_gf128mul_x_ble()
- movdqa IV, STATE1
- movdqu 0x40(INP), INC
- pxor INC, STATE1
- movdqu IV, 0x40(OUTP)
-
movdqu 0x10(OUTP), INC
pxor INC, STATE2
movdqu STATE2, 0x10(OUTP)
- _aesni_gf128mul_x_ble()
- movdqa IV, STATE2
- movdqu 0x50(INP), INC
- pxor INC, STATE2
- movdqu IV, 0x50(OUTP)
-
movdqu 0x20(OUTP), INC
pxor INC, STATE3
movdqu STATE3, 0x20(OUTP)
- _aesni_gf128mul_x_ble()
- movdqa IV, STATE3
- movdqu 0x60(INP), INC
- pxor INC, STATE3
- movdqu IV, 0x60(OUTP)
-
movdqu 0x30(OUTP), INC
pxor INC, STATE4
movdqu STATE4, 0x30(OUTP)
_aesni_gf128mul_x_ble()
- movdqa IV, STATE4
- movdqu 0x70(INP), INC
- pxor INC, STATE4
- movdqu IV, 0x70(OUTP)
- _aesni_gf128mul_x_ble()
+ add $64, INP
+ add $64, OUTP
+ sub $64, LEN
+ ja .Lxts_enc_loop4
+
movups IV, (IVP)
- CALL_NOSPEC r11
+ FRAME_END
+ ret
+SYM_FUNC_END(aesni_xts_encrypt)
+
+/*
+ * void aesni_xts_decrypt(const struct crypto_aes_ctx *ctx, u8 *dst,
+ * const u8 *src, unsigned int len, le128 *iv)
+ */
+SYM_FUNC_START(aesni_xts_decrypt)
+ FRAME_BEGIN
+
+ movdqa .Lgf128mul_x_ble_mask, GF128MUL_MASK
+ movups (IVP), IV
+
+ mov 480(KEYP), KLEN
+ add $240, KEYP
- movdqu 0x40(OUTP), INC
+.Lxts_dec_loop4:
+ movdqa IV, STATE1
+ movdqu 0x00(INP), INC
pxor INC, STATE1
- movdqu STATE1, 0x40(OUTP)
+ movdqu IV, 0x00(OUTP)
- movdqu 0x50(OUTP), INC
+ _aesni_gf128mul_x_ble()
+ movdqa IV, STATE2
+ movdqu 0x10(INP), INC
+ pxor INC, STATE2
+ movdqu IV, 0x10(OUTP)
+
+ _aesni_gf128mul_x_ble()
+ movdqa IV, STATE3
+ movdqu 0x20(INP), INC
+ pxor INC, STATE3
+ movdqu IV, 0x20(OUTP)
+
+ _aesni_gf128mul_x_ble()
+ movdqa IV, STATE4
+ movdqu 0x30(INP), INC
+ pxor INC, STATE4
+ movdqu IV, 0x30(OUTP)
+
+ call _aesni_dec4
+
+ movdqu 0x00(OUTP), INC
+ pxor INC, STATE1
+ movdqu STATE1, 0x00(OUTP)
+
+ movdqu 0x10(OUTP), INC
pxor INC, STATE2
- movdqu STATE2, 0x50(OUTP)
+ movdqu STATE2, 0x10(OUTP)
- movdqu 0x60(OUTP), INC
+ movdqu 0x20(OUTP), INC
pxor INC, STATE3
- movdqu STATE3, 0x60(OUTP)
+ movdqu STATE3, 0x20(OUTP)
- movdqu 0x70(OUTP), INC
+ movdqu 0x30(OUTP), INC
pxor INC, STATE4
- movdqu STATE4, 0x70(OUTP)
+ movdqu STATE4, 0x30(OUTP)
+
+ _aesni_gf128mul_x_ble()
+
+ add $64, INP
+ add $64, OUTP
+ sub $64, LEN
+ ja .Lxts_dec_loop4
+
+ movups IV, (IVP)
FRAME_END
ret
-SYM_FUNC_END(aesni_xts_crypt8)
+SYM_FUNC_END(aesni_xts_decrypt)
#endif
diff --git a/arch/x86/crypto/aesni-intel_avx-x86_64.S b/arch/x86/crypto/aesni-intel_avx-x86_64.S
index 5fee47956f3b..2cf8e94d986a 100644
--- a/arch/x86/crypto/aesni-intel_avx-x86_64.S
+++ b/arch/x86/crypto/aesni-intel_avx-x86_64.S
@@ -369,7 +369,7 @@ _initial_num_blocks_is_0\@:
_initial_blocks_encrypted\@:
- cmp $0, %r13
+ test %r13, %r13
je _zero_cipher_left\@
sub $128, %r13
@@ -528,7 +528,7 @@ _multiple_of_16_bytes\@:
vmovdqu HashKey(arg2), %xmm13
mov PBlockLen(arg2), %r12
- cmp $0, %r12
+ test %r12, %r12
je _partial_done\@
#GHASH computation for the last <16 Byte block
@@ -573,7 +573,7 @@ _T_8\@:
add $8, %r10
sub $8, %r11
vpsrldq $8, %xmm9, %xmm9
- cmp $0, %r11
+ test %r11, %r11
je _return_T_done\@
_T_4\@:
vmovd %xmm9, %eax
@@ -581,7 +581,7 @@ _T_4\@:
add $4, %r10
sub $4, %r11
vpsrldq $4, %xmm9, %xmm9
- cmp $0, %r11
+ test %r11, %r11
je _return_T_done\@
_T_123\@:
vmovd %xmm9, %eax
@@ -625,7 +625,7 @@ _get_AAD_blocks\@:
cmp $16, %r11
jge _get_AAD_blocks\@
vmovdqu \T8, \T7
- cmp $0, %r11
+ test %r11, %r11
je _get_AAD_done\@
vpxor \T7, \T7, \T7
@@ -644,7 +644,7 @@ _get_AAD_rest8\@:
vpxor \T1, \T7, \T7
jmp _get_AAD_rest8\@
_get_AAD_rest4\@:
- cmp $0, %r11
+ test %r11, %r11
jle _get_AAD_rest0\@
mov (%r10), %eax
movq %rax, \T1
@@ -749,7 +749,7 @@ _done_read_partial_block_\@:
.macro PARTIAL_BLOCK GHASH_MUL CYPH_PLAIN_OUT PLAIN_CYPH_IN PLAIN_CYPH_LEN DATA_OFFSET \
AAD_HASH ENC_DEC
mov PBlockLen(arg2), %r13
- cmp $0, %r13
+ test %r13, %r13
je _partial_block_done_\@ # Leave Macro if no partial blocks
# Read in input data without over reading
cmp $16, \PLAIN_CYPH_LEN
@@ -801,7 +801,7 @@ _no_extra_mask_1_\@:
vpshufb %xmm2, %xmm3, %xmm3
vpxor %xmm3, \AAD_HASH, \AAD_HASH
- cmp $0, %r10
+ test %r10, %r10
jl _partial_incomplete_1_\@
# GHASH computation for the last <16 Byte block
@@ -836,7 +836,7 @@ _no_extra_mask_2_\@:
vpshufb %xmm2, %xmm9, %xmm9
vpxor %xmm9, \AAD_HASH, \AAD_HASH
- cmp $0, %r10
+ test %r10, %r10
jl _partial_incomplete_2_\@
# GHASH computation for the last <16 Byte block
@@ -856,7 +856,7 @@ _encode_done_\@:
vpshufb %xmm2, %xmm9, %xmm9
.endif
# output encrypted Bytes
- cmp $0, %r10
+ test %r10, %r10
jl _partial_fill_\@
mov %r13, %r12
mov $16, %r13
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index f9a1d98e7534..be891fdf8d17 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -97,6 +97,12 @@ asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out,
#define AVX_GEN2_OPTSIZE 640
#define AVX_GEN4_OPTSIZE 4096
+asmlinkage void aesni_xts_encrypt(const struct crypto_aes_ctx *ctx, u8 *out,
+ const u8 *in, unsigned int len, u8 *iv);
+
+asmlinkage void aesni_xts_decrypt(const struct crypto_aes_ctx *ctx, u8 *out,
+ const u8 *in, unsigned int len, u8 *iv);
+
#ifdef CONFIG_X86_64
static void (*aesni_ctr_enc_tfm)(struct crypto_aes_ctx *ctx, u8 *out,
@@ -104,9 +110,6 @@ static void (*aesni_ctr_enc_tfm)(struct crypto_aes_ctx *ctx, u8 *out,
asmlinkage void aesni_ctr_enc(struct crypto_aes_ctx *ctx, u8 *out,
const u8 *in, unsigned int len, u8 *iv);
-asmlinkage void aesni_xts_crypt8(const struct crypto_aes_ctx *ctx, u8 *out,
- const u8 *in, bool enc, le128 *iv);
-
/* asmlinkage void aesni_gcm_enc()
* void *ctx, AES Key schedule. Starts on a 16 byte boundary.
* struct gcm_context_data. May be uninitialized.
@@ -547,14 +550,14 @@ static void aesni_xts_dec(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
glue_xts_crypt_128bit_one(ctx, dst, src, iv, aesni_dec);
}
-static void aesni_xts_enc8(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
+static void aesni_xts_enc32(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
{
- aesni_xts_crypt8(ctx, dst, src, true, iv);
+ aesni_xts_encrypt(ctx, dst, src, 32 * AES_BLOCK_SIZE, (u8 *)iv);
}
-static void aesni_xts_dec8(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
+static void aesni_xts_dec32(const void *ctx, u8 *dst, const u8 *src, le128 *iv)
{
- aesni_xts_crypt8(ctx, dst, src, false, iv);
+ aesni_xts_decrypt(ctx, dst, src, 32 * AES_BLOCK_SIZE, (u8 *)iv);
}
static const struct common_glue_ctx aesni_enc_xts = {
@@ -562,8 +565,8 @@ static const struct common_glue_ctx aesni_enc_xts = {
.fpu_blocks_limit = 1,
.funcs = { {
- .num_blocks = 8,
- .fn_u = { .xts = aesni_xts_enc8 }
+ .num_blocks = 32,
+ .fn_u = { .xts = aesni_xts_enc32 }
}, {
.num_blocks = 1,
.fn_u = { .xts = aesni_xts_enc }
@@ -575,8 +578,8 @@ static const struct common_glue_ctx aesni_dec_xts = {
.fpu_blocks_limit = 1,
.funcs = { {
- .num_blocks = 8,
- .fn_u = { .xts = aesni_xts_dec8 }
+ .num_blocks = 32,
+ .fn_u = { .xts = aesni_xts_dec32 }
}, {
.num_blocks = 1,
.fn_u = { .xts = aesni_xts_dec }
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index d8fcd21ab472..a8f85993dab3 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -3624,7 +3624,7 @@ static ssize_t srp_create_target(struct device *dev,
struct srp_rdma_ch *ch;
struct srp_device *srp_dev = host->srp_dev;
struct ib_device *ibdev = srp_dev->dev;
- int ret, node_idx, node, cpu, i;
+ int ret, i, ch_idx;
unsigned int max_sectors_per_mr, mr_per_cmd = 0;
bool multich = false;
uint32_t max_iu_len;
@@ -3749,81 +3749,61 @@ static ssize_t srp_create_target(struct device *dev,
goto out;
ret = -ENOMEM;
- if (target->ch_count == 0)
+ if (target->ch_count == 0) {
target->ch_count =
- max_t(unsigned int, num_online_nodes(),
- min(ch_count ?:
- min(4 * num_online_nodes(),
- ibdev->num_comp_vectors),
- num_online_cpus()));
+ min(ch_count ?:
+ max(4 * num_online_nodes(),
+ ibdev->num_comp_vectors),
+ num_online_cpus());
+ }
+
target->ch = kcalloc(target->ch_count, sizeof(*target->ch),
GFP_KERNEL);
if (!target->ch)
goto out;
- node_idx = 0;
- for_each_online_node(node) {
- const int ch_start = (node_idx * target->ch_count /
- num_online_nodes());
- const int ch_end = ((node_idx + 1) * target->ch_count /
- num_online_nodes());
- const int cv_start = node_idx * ibdev->num_comp_vectors /
- num_online_nodes();
- const int cv_end = (node_idx + 1) * ibdev->num_comp_vectors /
- num_online_nodes();
- int cpu_idx = 0;
-
- for_each_online_cpu(cpu) {
- if (cpu_to_node(cpu) != node)
- continue;
- if (ch_start + cpu_idx >= ch_end)
- continue;
- ch = &target->ch[ch_start + cpu_idx];
- ch->target = target;
- ch->comp_vector = cv_start == cv_end ? cv_start :
- cv_start + cpu_idx % (cv_end - cv_start);
- spin_lock_init(&ch->lock);
- INIT_LIST_HEAD(&ch->free_tx);
- ret = srp_new_cm_id(ch);
- if (ret)
- goto err_disconnect;
+ for (ch_idx = 0; ch_idx < target->ch_count; ++ch_idx) {
+ ch = &target->ch[ch_idx];
+ ch->target = target;
+ ch->comp_vector = ch_idx % ibdev->num_comp_vectors;
+ spin_lock_init(&ch->lock);
+ INIT_LIST_HEAD(&ch->free_tx);
+ ret = srp_new_cm_id(ch);
+ if (ret)
+ goto err_disconnect;
- ret = srp_create_ch_ib(ch);
- if (ret)
- goto err_disconnect;
+ ret = srp_create_ch_ib(ch);
+ if (ret)
+ goto err_disconnect;
- ret = srp_alloc_req_data(ch);
- if (ret)
- goto err_disconnect;
+ ret = srp_alloc_req_data(ch);
+ if (ret)
+ goto err_disconnect;
- ret = srp_connect_ch(ch, max_iu_len, multich);
- if (ret) {
- char dst[64];
-
- if (target->using_rdma_cm)
- snprintf(dst, sizeof(dst), "%pIS",
- &target->rdma_cm.dst);
- else
- snprintf(dst, sizeof(dst), "%pI6",
- target->ib_cm.orig_dgid.raw);
- shost_printk(KERN_ERR, target->scsi_host,
- PFX "Connection %d/%d to %s failed\n",
- ch_start + cpu_idx,
- target->ch_count, dst);
- if (node_idx == 0 && cpu_idx == 0) {
- goto free_ch;
- } else {
- srp_free_ch_ib(target, ch);
- srp_free_req_data(target, ch);
- target->ch_count = ch - target->ch;
- goto connected;
- }
- }
+ ret = srp_connect_ch(ch, max_iu_len, multich);
+ if (ret) {
+ char dst[64];
- multich = true;
- cpu_idx++;
+ if (target->using_rdma_cm)
+ snprintf(dst, sizeof(dst), "%pIS",
+ &target->rdma_cm.dst);
+ else
+ snprintf(dst, sizeof(dst), "%pI6",
+ target->ib_cm.orig_dgid.raw);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Connection %d/%d to %s failed\n",
+ ch_idx,
+ target->ch_count, dst);
+ if (ch_idx == 0) {
+ goto free_ch;
+ } else {
+ srp_free_ch_ib(target, ch);
+ srp_free_req_data(target, ch);
+ target->ch_count = ch - target->ch;
+ goto connected;
+ }
}
- node_idx++;
+ multich = true;
}
connected:
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 95c7fa171e35..f504b6858ed2 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -510,6 +510,19 @@ void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port)
}
EXPORT_SYMBOL(b53_imp_vlan_setup);
+static void b53_port_set_learning(struct b53_device *dev, int port,
+ bool learning)
+{
+ u16 reg;
+
+ b53_read16(dev, B53_CTRL_PAGE, B53_DIS_LEARNING, ®);
+ if (learning)
+ reg &= ~BIT(port);
+ else
+ reg |= BIT(port);
+ b53_write16(dev, B53_CTRL_PAGE, B53_DIS_LEARNING, reg);
+}
+
int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
{
struct b53_device *dev = ds->priv;
@@ -523,6 +536,7 @@ int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
cpu_port = dsa_to_port(ds, port)->cpu_dp->index;
b53_br_egress_floods(ds, port, true, true);
+ b53_port_set_learning(dev, port, false);
if (dev->ops->irq_enable)
ret = dev->ops->irq_enable(dev, port);
@@ -656,6 +670,7 @@ static void b53_enable_cpu_port(struct b53_device *dev, int port)
b53_brcm_hdr_setup(dev->ds, port);
b53_br_egress_floods(dev->ds, port, true, true);
+ b53_port_set_learning(dev, port, false);
}
static void b53_enable_mib(struct b53_device *dev)
@@ -1839,6 +1854,8 @@ int b53_br_join(struct dsa_switch *ds, int port, struct net_device *br)
b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), pvlan);
dev->ports[port].vlan_ctl_mask = pvlan;
+ b53_port_set_learning(dev, port, true);
+
return 0;
}
EXPORT_SYMBOL(b53_br_join);
@@ -1886,6 +1903,7 @@ void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *br)
vl->untag |= BIT(port) | BIT(cpu_port);
b53_set_vlan_entry(dev, pvid, vl);
}
+ b53_port_set_learning(dev, port, false);
}
EXPORT_SYMBOL(b53_br_leave);
diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h
index c90985c294a2..b2c539a42154 100644
--- a/drivers/net/dsa/b53/b53_regs.h
+++ b/drivers/net/dsa/b53/b53_regs.h
@@ -115,6 +115,7 @@
#define B53_UC_FLOOD_MASK 0x32
#define B53_MC_FLOOD_MASK 0x34
#define B53_IPMC_FLOOD_MASK 0x36
+#define B53_DIS_LEARNING 0x3c
/*
* Override Ports 0-7 State on devices with xMII interfaces (8 bit)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 445226720ff2..edb0a1027b38 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -222,23 +222,10 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port,
reg &= ~P_TXQ_PSM_VDD(port);
core_writel(priv, reg, CORE_MEM_PSM_VDD_CTRL);
- /* Enable learning */
- reg = core_readl(priv, CORE_DIS_LEARN);
- reg &= ~BIT(port);
- core_writel(priv, reg, CORE_DIS_LEARN);
-
/* Enable Broadcom tags for that port if requested */
- if (priv->brcm_tag_mask & BIT(port)) {
+ if (priv->brcm_tag_mask & BIT(port))
b53_brcm_hdr_setup(ds, port);
- /* Disable learning on ASP port */
- if (port == 7) {
- reg = core_readl(priv, CORE_DIS_LEARN);
- reg |= BIT(port);
- core_writel(priv, reg, CORE_DIS_LEARN);
- }
- }
-
/* Configure Traffic Class to QoS mapping, allow each priority to map
* to a different queue number
*/
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 404d66f01e8d..d64aee04e59a 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -862,6 +862,7 @@ static inline u64 fuse_get_attr_version(struct fuse_conn *fc)
static inline void fuse_make_bad(struct inode *inode)
{
+ remove_inode_hash(inode);
set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state);
}
diff --git a/fs/locks.c b/fs/locks.c
index 1f84a03601fe..32c948fe2944 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1808,9 +1808,6 @@ check_conflicting_open(struct file *filp, const long arg, int flags)
if (flags & FL_LAYOUT)
return 0;
- if (flags & FL_DELEG)
- /* We leave these checks to the caller. */
- return 0;
if (arg == F_RDLCK)
return inode_is_open_for_write(inode) ? -EAGAIN : 0;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 47006eec724e..ee4e6e3b995d 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4945,31 +4945,6 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp,
return fl;
}
-static int nfsd4_check_conflicting_opens(struct nfs4_client *clp,
- struct nfs4_file *fp)
-{
- struct nfs4_clnt_odstate *co;
- struct file *f = fp->fi_deleg_file->nf_file;
- struct inode *ino = locks_inode(f);
- int writes = atomic_read(&ino->i_writecount);
-
- if (fp->fi_fds[O_WRONLY])
- writes--;
- if (fp->fi_fds[O_RDWR])
- writes--;
- if (writes > 0)
- return -EAGAIN;
- spin_lock(&fp->fi_lock);
- list_for_each_entry(co, &fp->fi_clnt_odstate, co_perfile) {
- if (co->co_client != clp) {
- spin_unlock(&fp->fi_lock);
- return -EAGAIN;
- }
- }
- spin_unlock(&fp->fi_lock);
- return 0;
-}
-
static struct nfs4_delegation *
nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
struct nfs4_file *fp, struct nfs4_clnt_odstate *odstate)
@@ -4989,12 +4964,9 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
nf = find_readable_file(fp);
if (!nf) {
- /*
- * We probably could attempt another open and get a read
- * delegation, but for now, don't bother until the
- * client actually sends us one.
- */
- return ERR_PTR(-EAGAIN);
+ /* We should always have a readable file here */
+ WARN_ON_ONCE(1);
+ return ERR_PTR(-EBADF);
}
spin_lock(&state_lock);
spin_lock(&fp->fi_lock);
@@ -5024,19 +4996,11 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
if (!fl)
goto out_clnt_odstate;
- status = nfsd4_check_conflicting_opens(clp, fp);
- if (status) {
- locks_free_lock(fl);
- goto out_clnt_odstate;
- }
status = vfs_setlease(fp->fi_deleg_file->nf_file, fl->fl_type, &fl, NULL);
if (fl)
locks_free_lock(fl);
if (status)
goto out_clnt_odstate;
- status = nfsd4_check_conflicting_opens(clp, fp);
- if (status)
- goto out_clnt_odstate;
spin_lock(&state_lock);
spin_lock(&fp->fi_lock);
@@ -5118,6 +5082,17 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open,
goto out_no_deleg;
if (!cb_up || !(oo->oo_flags & NFS4_OO_CONFIRMED))
goto out_no_deleg;
+ /*
+ * Also, if the file was opened for write or
+ * create, there's a good chance the client's
+ * about to write to it, resulting in an
+ * immediate recall (since we don't support
+ * write delegations):
+ */
+ if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
+ goto out_no_deleg;
+ if (open->op_create == NFS4_OPEN_CREATE)
+ goto out_no_deleg;
break;
default:
goto out_no_deleg;
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 6c2e4947beae..9a1aba2d0073 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -5333,10 +5333,14 @@ static int retrieve_ptr_limit(const struct bpf_reg_state *ptr_reg,
{
bool mask_to_left = (opcode == BPF_ADD && off_is_neg) ||
(opcode == BPF_SUB && !off_is_neg);
- u32 off;
+ u32 off, max;
switch (ptr_reg->type) {
case PTR_TO_STACK:
+ /* Offset 0 is out-of-bounds, but acceptable start for the
+ * left direction, see BPF_REG_FP.
+ */
+ max = MAX_BPF_STACK + mask_to_left;
/* Indirect variable offset stack access is prohibited in
* unprivileged mode so it's not handled here.
*/
@@ -5344,16 +5348,17 @@ static int retrieve_ptr_limit(const struct bpf_reg_state *ptr_reg,
if (mask_to_left)
*ptr_limit = MAX_BPF_STACK + off;
else
- *ptr_limit = -off;
- return 0;
+ *ptr_limit = -off - 1;
+ return *ptr_limit >= max ? -ERANGE : 0;
case PTR_TO_MAP_VALUE:
+ max = ptr_reg->map_ptr->value_size;
if (mask_to_left) {
*ptr_limit = ptr_reg->umax_value + ptr_reg->off;
} else {
off = ptr_reg->smin_value + ptr_reg->off;
- *ptr_limit = ptr_reg->map_ptr->value_size - off;
+ *ptr_limit = ptr_reg->map_ptr->value_size - off - 1;
}
- return 0;
+ return *ptr_limit >= max ? -ERANGE : 0;
default:
return -EINVAL;
}
@@ -5406,6 +5411,7 @@ static int sanitize_ptr_alu(struct bpf_verifier_env *env,
u32 alu_state, alu_limit;
struct bpf_reg_state tmp;
bool ret;
+ int err;
if (can_skip_alu_sanitation(env, insn))
return 0;
@@ -5421,10 +5427,13 @@ static int sanitize_ptr_alu(struct bpf_verifier_env *env,
alu_state |= ptr_is_dst_reg ?
BPF_ALU_SANITIZE_SRC : BPF_ALU_SANITIZE_DST;
- if (retrieve_ptr_limit(ptr_reg, &alu_limit, opcode, off_is_neg))
- return 0;
- if (update_alu_sanitation_state(aux, alu_state, alu_limit))
- return -EACCES;
+ err = retrieve_ptr_limit(ptr_reg, &alu_limit, opcode, off_is_neg);
+ if (err < 0)
+ return err;
+
+ err = update_alu_sanitation_state(aux, alu_state, alu_limit);
+ if (err < 0)
+ return err;
do_sim:
/* Simulate and find potential out-of-bounds access under
* speculative execution from truncation as a result of
@@ -5540,7 +5549,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
case BPF_ADD:
ret = sanitize_ptr_alu(env, insn, ptr_reg, dst_reg, smin_val < 0);
if (ret < 0) {
- verbose(env, "R%d tried to add from different maps or paths\n", dst);
+ verbose(env, "R%d tried to add from different maps, paths, or prohibited types\n", dst);
return ret;
}
/* We can take a fixed offset as long as it doesn't overflow
@@ -5595,7 +5604,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
case BPF_SUB:
ret = sanitize_ptr_alu(env, insn, ptr_reg, dst_reg, smin_val < 0);
if (ret < 0) {
- verbose(env, "R%d tried to sub from different maps or paths\n", dst);
+ verbose(env, "R%d tried to sub from different maps, paths, or prohibited types\n", dst);
return ret;
}
if (dst_reg == off_reg) {
@@ -10942,7 +10951,7 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
off_reg = issrc ? insn->src_reg : insn->dst_reg;
if (isneg)
*patch++ = BPF_ALU64_IMM(BPF_MUL, off_reg, -1);
- *patch++ = BPF_MOV32_IMM(BPF_REG_AX, aux->alu_limit - 1);
+ *patch++ = BPF_MOV32_IMM(BPF_REG_AX, aux->alu_limit);
*patch++ = BPF_ALU64_REG(BPF_SUB, BPF_REG_AX, off_reg);
*patch++ = BPF_ALU64_REG(BPF_OR, BPF_REG_AX, off_reg);
*patch++ = BPF_ALU64_IMM(BPF_NEG, BPF_REG_AX, 0);
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index e2f9ce2f5b8b..8527267725bb 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -576,9 +576,6 @@ static int deactivate_urbs(struct snd_usb_endpoint *ep, bool force)
{
unsigned int i;
- if (!force && atomic_read(&ep->chip->shutdown)) /* to be sure... */
- return -EBADFD;
-
clear_bit(EP_FLAG_RUNNING, &ep->flags);
INIT_LIST_HEAD(&ep->ready_playback_urbs);
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 1b08f52ef86f..f4494d054917 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -280,10 +280,7 @@ static int snd_usb_pcm_sync_stop(struct snd_pcm_substream *substream)
{
struct snd_usb_substream *subs = substream->runtime->private_data;
- if (!snd_usb_lock_shutdown(subs->stream->chip)) {
- sync_pending_stops(subs);
- snd_usb_unlock_shutdown(subs->stream->chip);
- }
+ sync_pending_stops(subs);
return 0;
}
diff --git a/tools/testing/selftests/bpf/verifier/bounds_deduction.c b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
index 1fd07a4f27ac..c162498a64fc 100644
--- a/tools/testing/selftests/bpf/verifier/bounds_deduction.c
+++ b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
@@ -6,8 +6,9 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R0 tried to sub from different maps, paths, or prohibited types",
.errstr = "R0 tried to subtract pointer from scalar",
+ .result = REJECT,
},
{
"check deducing bounds from const, 2",
@@ -20,6 +21,8 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
BPF_EXIT_INSN(),
},
+ .errstr_unpriv = "R1 tried to sub from different maps, paths, or prohibited types",
+ .result_unpriv = REJECT,
.result = ACCEPT,
.retval = 1,
},
@@ -31,8 +34,9 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R0 tried to sub from different maps, paths, or prohibited types",
.errstr = "R0 tried to subtract pointer from scalar",
+ .result = REJECT,
},
{
"check deducing bounds from const, 4",
@@ -45,6 +49,8 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
BPF_EXIT_INSN(),
},
+ .errstr_unpriv = "R1 tried to sub from different maps, paths, or prohibited types",
+ .result_unpriv = REJECT,
.result = ACCEPT,
},
{
@@ -55,8 +61,9 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R0 tried to sub from different maps, paths, or prohibited types",
.errstr = "R0 tried to subtract pointer from scalar",
+ .result = REJECT,
},
{
"check deducing bounds from const, 6",
@@ -67,8 +74,9 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R0 tried to sub from different maps, paths, or prohibited types",
.errstr = "R0 tried to subtract pointer from scalar",
+ .result = REJECT,
},
{
"check deducing bounds from const, 7",
@@ -80,8 +88,9 @@
offsetof(struct __sk_buff, mark)),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R1 tried to sub from different maps, paths, or prohibited types",
.errstr = "dereference of modified ctx ptr",
+ .result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
@@ -94,8 +103,9 @@
offsetof(struct __sk_buff, mark)),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R1 tried to add from different maps, paths, or prohibited types",
.errstr = "dereference of modified ctx ptr",
+ .result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
{
@@ -106,8 +116,9 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .result = REJECT,
+ .errstr_unpriv = "R0 tried to sub from different maps, paths, or prohibited types",
.errstr = "R0 tried to subtract pointer from scalar",
+ .result = REJECT,
},
{
"check deducing bounds from const, 10",
@@ -119,6 +130,6 @@
BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .result = REJECT,
.errstr = "math between ctx pointer and register with unbounded min value is not allowed",
+ .result = REJECT,
},
diff --git a/tools/testing/selftests/bpf/verifier/map_ptr.c b/tools/testing/selftests/bpf/verifier/map_ptr.c
index 637f9293bda8..92a1dc8e1746 100644
--- a/tools/testing/selftests/bpf/verifier/map_ptr.c
+++ b/tools/testing/selftests/bpf/verifier/map_ptr.c
@@ -74,6 +74,8 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_16b = { 4 },
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R1 tried to add from different maps, paths, or prohibited types",
.result = ACCEPT,
},
{
@@ -90,5 +92,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_16b = { 4 },
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R1 tried to add from different maps, paths, or prohibited types",
.result = ACCEPT,
},
diff --git a/tools/testing/selftests/bpf/verifier/unpriv.c b/tools/testing/selftests/bpf/verifier/unpriv.c
index 91bb77c24a2e..0d621c841db1 100644
--- a/tools/testing/selftests/bpf/verifier/unpriv.c
+++ b/tools/testing/selftests/bpf/verifier/unpriv.c
@@ -495,7 +495,7 @@
.result = ACCEPT,
},
{
- "unpriv: adding of fp",
+ "unpriv: adding of fp, reg",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_MOV64_IMM(BPF_REG_1, 0),
@@ -503,6 +503,19 @@
BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
BPF_EXIT_INSN(),
},
+ .errstr_unpriv = "R1 tried to add from different maps, paths, or prohibited types",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: adding of fp, imm",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+ BPF_EXIT_INSN(),
+ },
.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
.result_unpriv = REJECT,
.result = ACCEPT,
diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
index ed4e76b24649..feb91266db39 100644
--- a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
+++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
@@ -169,7 +169,7 @@
.fixup_map_array_48b = { 1 },
.result = ACCEPT,
.result_unpriv = REJECT,
- .errstr_unpriv = "R2 tried to add from different maps or paths",
+ .errstr_unpriv = "R2 tried to add from different maps, paths, or prohibited types",
.retval = 0,
},
{
@@ -516,6 +516,27 @@
.result = ACCEPT,
.retval = 0xabcdef12,
},
+{
+ "map access: value_ptr += N, value_ptr -= N known scalar",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV32_IMM(BPF_REG_1, 0x12345678),
+ BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 0x12345678,
+},
{
"map access: unknown scalar += value_ptr, 1",
.insns = {
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