Re: Linux 4.9.266

From: Greg Kroah-Hartman
Date: Sat Apr 10 2021 - 07:20:12 EST


diff --git a/Makefile b/Makefile
index f47e685de5f6..9e055c32d77a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 265
+SUBLEVEL = 266
EXTRAVERSION =
NAME = Roaring Lionus

diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 9509cc73b9c6..64ae9cde8bdb 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1858,7 +1858,7 @@ ia64_mca_cpu_init(void *cpu_data)
data = mca_bootmem();
first_time = 0;
} else
- data = (void *)__get_free_pages(GFP_KERNEL,
+ data = (void *)__get_free_pages(GFP_ATOMIC,
get_order(sz));
if (!data)
panic("Could not allocate MCA memory for cpu %d\n",
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 9f0099c46c88..9ebbd4892557 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -34,7 +34,7 @@ REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -D__KERNEL__ \
-DDISABLE_BRANCH_PROFILING \
-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
- -mno-mmx -mno-sse
+ -mno-mmx -mno-sse $(call cc-option,-fcf-protection=none)

REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), -ffreestanding)
REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), -fno-stack-protector)
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index eb5734112cb4..1d1434f9c5a6 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -1082,7 +1082,16 @@ xadd: if (is_imm8(insn->off))
}

if (image) {
- if (unlikely(proglen + ilen > oldproglen)) {
+ /*
+ * When populating the image, assert that:
+ *
+ * i) We do not write beyond the allocated space, and
+ * ii) addrs[i] did not change from the prior run, in order
+ * to validate assumptions made for computing branch
+ * displacements.
+ */
+ if (unlikely(proglen + ilen > oldproglen ||
+ proglen + ilen != addrs[i])) {
pr_err("bpf_jit_compile fatal error\n");
return -EFAULT;
}
diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c
index a9b9b1c95a2e..9dbd17be51f7 100644
--- a/drivers/gpu/drm/msm/msm_fence.c
+++ b/drivers/gpu/drm/msm/msm_fence.c
@@ -56,7 +56,7 @@ int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,
int ret;

if (fence > fctx->last_fence) {
- DRM_ERROR("%s: waiting on invalid fence: %u (of %u)\n",
+ DRM_ERROR_RATELIMITED("%s: waiting on invalid fence: %u (of %u)\n",
fctx->name, fence, fctx->last_fence);
return -EINVAL;
}
diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c
index 8d338ba366d0..01a1afde5d3c 100644
--- a/drivers/isdn/hardware/mISDN/mISDNipac.c
+++ b/drivers/isdn/hardware/mISDN/mISDNipac.c
@@ -711,7 +711,7 @@ isac_release(struct isac_hw *isac)
{
if (isac->type & IPAC_TYPE_ISACX)
WriteISAC(isac, ISACX_MASK, 0xff);
- else
+ else if (isac->type != 0)
WriteISAC(isac, ISAC_MASK, 0xff);
if (isac->dch.timer.function != NULL) {
del_timer(&isac->dch.timer);
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index b18bb0334ded..dcad5213eb34 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -379,9 +379,15 @@ static int flexcan_chip_disable(struct flexcan_priv *priv)
static int flexcan_chip_freeze(struct flexcan_priv *priv)
{
struct flexcan_regs __iomem *regs = priv->regs;
- unsigned int timeout = 1000 * 1000 * 10 / priv->can.bittiming.bitrate;
+ unsigned int timeout;
+ u32 bitrate = priv->can.bittiming.bitrate;
u32 reg;

+ if (bitrate)
+ timeout = 1000 * 1000 * 10 / bitrate;
+ else
+ timeout = FLEXCAN_TIMEOUT_US / 10;
+
reg = flexcan_read(&regs->mcr);
reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT;
flexcan_write(reg, &regs->mcr);
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 5d5000c8edf1..09cb0ac701e1 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -1571,8 +1571,8 @@ static int pxa168_eth_remove(struct platform_device *pdev)

mdiobus_unregister(pep->smi_bus);
mdiobus_free(pep->smi_bus);
- unregister_netdev(dev);
cancel_work_sync(&pep->tx_timeout_task);
+ unregister_netdev(dev);
free_netdev(dev);
return 0;
}
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index ef1c8c158f66..079db0bd3917 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -951,6 +951,14 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,

return 0;
fail:
+ if (bio)
+ bio_put(bio);
+ while (req->bio) {
+ bio = req->bio;
+ req->bio = bio->bi_next;
+ bio_put(bio);
+ }
+ req->biotail = NULL;
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 24508b69e78b..e2ce90fc504e 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -163,6 +163,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
goto posix_open_ret;
}
} else {
+ cifs_revalidate_mapping(*pinode);
cifs_fattr_to_inode(*pinode, &fattr);
}

diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index bddb2d7b3982..075b285bbd3e 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -651,8 +651,8 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
}
}
spin_unlock(&cifs_tcp_ses_lock);
- cifs_dbg(FYI, "Can not process oplock break for non-existent connection\n");
- return false;
+ cifs_dbg(FYI, "No file id matched, oplock break ignored\n");
+ return true;
}

void
diff --git a/init/Kconfig b/init/Kconfig
index 0a615bdc203a..07570008e2fd 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -65,8 +65,7 @@ config CROSS_COMPILE

config COMPILE_TEST
bool "Compile also drivers which will not load"
- depends on !UML
- default n
+ depends on HAS_IOMEM
help
Some drivers can be compiled on a different platform than they are
intended to be run on. Despite they cannot be loaded there (or even
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index e3bbfb20ae82..f31fd21d59ba 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -906,8 +906,19 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
continue;

if (!dflt_chandef.chan) {
+ /*
+ * Assign the first enabled channel to dflt_chandef
+ * from the list of channels
+ */
+ for (i = 0; i < sband->n_channels; i++)
+ if (!(sband->channels[i].flags &
+ IEEE80211_CHAN_DISABLED))
+ break;
+ /* if none found then use the first anyway */
+ if (i == sband->n_channels)
+ i = 0;
cfg80211_chandef_create(&dflt_chandef,
- &sband->channels[0],
+ &sband->channels[i],
NL80211_CHAN_NO_HT);
/* init channel we're on */
if (!local->use_chanctx && !local->_oper_chandef.chan) {
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 79c45046edc6..7b94170aa5ec 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6285,7 +6285,6 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
SND_HDA_PIN_QUIRK(0x10ec0299, 0x1028, "Dell", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE,
ALC225_STANDARD_PINS,
{0x12, 0xb7a60130},
- {0x13, 0xb8a61140},
{0x17, 0x90170110}),
{}
};