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[ Upstream commit 7a9213a93546e7eaef90e6e153af6b8fc7553f10 ]
A few BUG_ON()'s in replace_path are purely to keep us from making
logical mistakes, so replace them with ASSERT()'s.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e1723d8b87b73ab363256e7ca3af3ddb75855680 ]
This driver's remove path calls cancel_delayed_work(). However, that
function does not wait until the work function finishes. This means
that the callback function may still be running after the driver's
remove function has finished, which would result in a use-after-free.
Fix by calling cancel_delayed_work_sync(), which ensures that
the work is properly cancelled, no longer running, and unable
to re-schedule itself.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210407092716.3270248-1-yangyingliang@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 18ffbc47d45a1489b664dd68fb3a7610a6e1dea3 ]
Consistently use "< ... +1" in for loops.
Fix of-by-one in for_each_set_bit().
Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/lkml/20190724095841.GA6952@amd/
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210414171251.14672-6-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a23faea76d4cf5f75decb574491e66f9ecd707e7 ]
Call spi_master_get() holds the reference count to master device, thus
we need an additional spi_master_put() call to reduce the reference
count, otherwise we will leak a reference to master.
This commit fix it by removing the unnecessary spi_master_get().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20210409082954.2906933-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9b844b087124c1538d05f40fda8a4fec75af55be ]
Call spi_master_get() holds the reference count to master device, thus
we need an additional spi_master_put() call to reduce the reference
count, otherwise we will leak a reference to master.
This commit fix it by removing the unnecessary spi_master_get().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20210409082955.2907950-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8abe7fc26ad8f28bfdf78adbed56acd1fa93f82d ]
When cross-compiling with Clang, the `$(CLANG_FLAGS)' variable
contains additional flags needed to build C and assembly sources
for the target platform. Normally this variable is automatically
included in `$(KBUILD_CFLAGS)' via the top-level Makefile.
The x86 real-mode makefile builds `$(REALMODE_CFLAGS)' from a
plain assignment and therefore drops the Clang flags. This causes
Clang to not recognize x86-specific assembler directives:
 arch/x86/realmode/rm/header.S:36:1: error: unknown directive
 .type real_mode_header STT_OBJECT ; .size real_mode_header, .-real_mode_header
 ^
Explicit propagation of `$(CLANG_FLAGS)' to `$(REALMODE_CFLAGS)',
which is inherited by real-mode make rules, fixes cross-compilation
with Clang for x86 targets.
Relevant flags:
* `--target' sets the target architecture when cross-compiling. This
 flag must be set for both compilation and assembly (`KBUILD_AFLAGS')
 to support architecture-specific assembler directives.
* `-no-integrated-as' tells clang to assemble with GNU Assembler
 instead of its built-in LLVM assembler. This flag is set by default
 unless `LLVM_IAS=1' is set, because the LLVM assembler can't yet
 parse certain GNU extensions.
Signed-off-by: John Millikin <john@john-millikin.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Link: https://lkml.kernel.org/r/20210326000435.4785-2-nathan@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4514d991d99211f225d83b7e640285f29f0755d0 ]
It should not be necessary to update the current_state field of
struct pci_dev in pci_enable_device_flags() before calling
do_pci_enable_device() for the device, because none of the
code between that point and the pci_set_power_state() call in
do_pci_enable_device() invoked later depends on it.
Moreover, doing that is actively harmful in some cases. For example,
if the given PCI device depends on an ACPI power resource whose _STA
method initially returns 0 ("off"), but the config space of the PCI
device is accessible and the power state retrieved from the
PCI_PM_CTRL register is D0, the current_state field in the struct
pci_dev representing that device will get out of sync with the
power.state of its ACPI companion object and that will lead to
power management issues going forward.
To avoid such issues it is better to leave the current_state value
as is until it is changed to PCI_D0 by do_pci_enable_device() as
appropriate. However, the power state of the device is not changed
to PCI_D0 if it is already enabled when pci_enable_device_flags()
gets called for it, so update its current_state in that case, but
use pci_update_current_state() covering platform PM too for that.
Link: https://lore.kernel.org/lkml/20210314000439.3138941-1-luzmaximilian@gmail.com/
Reported-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 26adde04acdff14a1f28d4a5dce46a8513a3038b ]
Patch adds extra checking for bInterval passed by configfs.
The 5.6.4 chapter of USB Specification (rev. 2.0) say:
"A high-bandwidth endpoint must specify a period of 1x125 µs
(i.e., a bInterval value of 1)."
The issue was observed during testing UVC class on CV.
I treat this change as improvement because we can control
bInterval by configfs.
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20210308125338.4824-1-pawell@gli-login.cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0c37baae130df39b19979bba88bde2ee70a33355 ]
fix sparse byte-order warnings by converting host byte-order
type to __le16 byte-order types before assigning to hdr.length
Signed-off-by: karthik alapati <mail@karthek.com>
Link: https://lore.kernel.org/r/0ae5c5c4c646506d8be871e7be5705542671a1d5.1613921277.git.mail@karthek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 19ab233989d0f7ab1de19a036e247afa4a0a1e9c upstream.
Use kzalloc() rather than kmalloc() for the dynamically allocated parts
of the colormap in fb_alloc_cmap_gfp, to prevent a leak of random kernel
data to userspace under certain circumstances.
Fixes a KMSAN-found infoleak bug reported by syzbot at:
https://syzkaller.appspot.com/bug?id=741578659feabd108ad9e06696f0c1f2e69c4b6e
Reported-by: syzbot+47fa9c9c648b765305b9@syzkaller.appspotmail.com
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210331220719.1499743-1-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 917a5336f2c27928be270226ab374ed0cbf3805d upstream.
Some of SD cards sets permanent write protection bit in their CSD register,
due to lifespan or internal problem. To avoid unnecessary I/O write
operations, let's parse the bits in the CSD during initialization and mark
the card as read only for this case.
Signed-off-by: Seunghui Lee <sh043.lee@samsung.com>
Link: https://lore.kernel.org/r/20210222083156.19158-1-sh043.lee@samsung.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 147186f531ae49c18b7a9091a2c40e83b3d95649 upstream.
A CMD11 is sent to the SD/SDIO card to start the voltage switch procedure
into 1.8V I/O. According to the SD spec a power cycle is needed of the
card, if it turns out that the CMD11 fails. Let's fix this, to allow a
retry of the initialization without the voltage switch, to succeed.
Note that, whether it makes sense to also retry with the voltage switch
after the power cycle is a bit more difficult to know. At this point, we
treat it like the CMD11 isn't supported and therefore we skip it when
retrying.
Signed-off-by: DooHyun Hwang <dh0421.hwang@samsung.com>
Link: https://lore.kernel.org/r/20210210045936.7809-1-dh0421.hwang@samsung.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9046625511ad8dfbc8c6c2de16b3532c43d68d48 upstream.
When mounting eCryptfs, a null "dev_name" argument to ecryptfs_mount()
causes a kernel panic if the parsed options are valid. The easiest way to
reproduce this is to call mount() from userspace with an existing
eCryptfs mount's options and a "source" argument of 0.
Error out if "dev_name" is null in ecryptfs_mount()
Fixes: 237fead61998 ("[PATCH] ecryptfs: fs/Makefile and fs/Kconfig")
Cc: stable@vger.kernel.org
Signed-off-by: Jeffrey Mitchell <jeffrey.mitchell@starlab.io>
Signed-off-by: Tyler Hicks <code@tyhicks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1cfd8956437f842836e8a066b40d1ec2fc01f13e upstream.
In cm_write(), if the 'buf' is allocated memory but not fully consumed,
it is possible to reallocate the buffer without freeing it by passing
'*ppos' as 0 on a subsequent call.
Add an explicit kfree() before kzalloc() to prevent the possible memory
leak.
Fixes: 526b4af47f44 ("ACPI: Split out custom_method functionality into an own driver")
Signed-off-by: Mark Langsdorf <mlangsdo@redhat.com>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e483bb9a991bdae29a0caa4b3a6d002c968f94aa upstream.
In cm_write(), buf is always freed when reaching the end of the
function. If the requested count is less than table.length, the
allocated buffer will be freed but subsequent calls to cm_write() will
still try to access it.
Remove the unconditional kfree(buf) at the end of the function and
set the buf to NULL in the -EINVAL error path to match the rest of
function.
Fixes: 03d1571d9513 ("ACPI: custom_method: fix memory leaks")
Signed-off-by: Mark Langsdorf <mlangsdo@redhat.com>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6f3353c2d2b3eb4de52e9704cb962712033db181 upstream.
Current ebpf disassembly buffer size of 64 is too small. E.g. this line
takes 65 bytes:
01fffff8005822e: ec8100ed8065\tclgrj\t%r8,%r1,8,001fffff80058408\n\0
Double the buffer size like it is done for the kernel disassembly buffer.
Fixes the following KASAN finding:
UG: KASAN: stack-out-of-bounds in print_fn_code+0x34c/0x380
Write of size 1 at addr 001fff800ad5f970 by task test_progs/853
CPU: 53 PID: 853 Comm: test_progs Not tainted
5.12.0-rc7-23786-g23457d86b1f0-dirty #19
Hardware name: IBM 3906 M04 704 (LPAR)
Call Trace:
[<0000000cd8e0538a>] show_stack+0x17a/0x1668
[<0000000cd8e2a5d8>] dump_stack+0x140/0x1b8
[<0000000cd8e16e74>] print_address_description.constprop.0+0x54/0x260
[<0000000cd75a8698>] kasan_report+0xc8/0x130
[<0000000cd6e26da4>] print_fn_code+0x34c/0x380
[<0000000cd6ea0f4e>] bpf_int_jit_compile+0xe3e/0xe58
[<0000000cd72c4c88>] bpf_prog_select_runtime+0x5b8/0x9c0
[<0000000cd72d1bf8>] bpf_prog_load+0xa78/0x19c0
[<0000000cd72d7ad6>] __do_sys_bpf.part.0+0x18e/0x768
[<0000000cd6e0f392>] do_syscall+0x12a/0x220
[<0000000cd8e333f8>] __do_syscall+0x98/0xc8
[<0000000cd8e54834>] system_call+0x6c/0x94
1 lock held by test_progs/853:
#0: 0000000cd9bf7460 (report_lock){....}-{2:2}, at:
kasan_report+0x96/0x130
addr 001fff800ad5f970 is located in stack of task test_progs/853 at
offset 96 in frame:
print_fn_code+0x0/0x380
this frame has 1 object:
[32, 96) 'buffer'
Memory state around the buggy address:
001fff800ad5f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001fff800ad5f880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>001fff800ad5f900: 00 00 f1 f1 f1 f1 00 00 00 00 00 00 00 00 f3 f3
^
001fff800ad5f980: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
001fff800ad5fa00: 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00
Cc: <stable@vger.kernel.org>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6759e18e5cd8745a5dfc5726e4a3db5281ec1639 upstream.
On recent Thinkpad platforms it was reported that temp sensor 11 was
always incorrectly displaying 66C. It turns out the reason for this is
that this location in EC RAM is not a temperature sensor but is the
power supply ID (offset 0xC2).
Based on feedback from the Lenovo firmware team the EC RAM version can
be determined and for the current version (3) only the 0x78 to 0x7F
range is used for temp sensors. I don't have any details for earlier
versions so I have left the implementation unaltered there.
Note - in this block only 0x78 and 0x79 are officially designated (CPU &
GPU sensors). The use of the other locations in the block will vary from
platform to platform; but the existing logic to detect a sensor presence
holds.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210407212015.298222-1-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ca91fd8c7643d93bfc18a6fec1a0d3972a46a18a upstream.
Realtek Hub (0bda:5487) in Dell Dock WD19 sometimes fails to work
after the system resumes from suspend with remote wakeup enabled
device connected:
[ 1947.640907] hub 5-2.3:1.0: hub_ext_port_status failed (err = -71)
[ 1947.641208] usb 5-2.3-port5: cannot disable (err = -71)
[ 1947.641401] hub 5-2.3:1.0: hub_ext_port_status failed (err = -71)
[ 1947.641450] usb 5-2.3-port4: cannot reset (err = -71)
Information of this hub:
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 10 Spd=480 MxCh= 5
D: Ver= 2.10 Cls=09(hub ) Sub=00 Prot=02 MxPS=64 #Cfgs= 1
P: Vendor=0bda ProdID=5487 Rev= 1.47
S: Manufacturer=Dell Inc.
S: Product=Dell dock
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=01 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms
I:* If#= 0 Alt= 1 #EPs= 1 Cls=09(hub ) Sub=00 Prot=02 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms
The failure results from the ETIMEDOUT by chance when turning on
the suspend feature for the specified port of the hub. The port
seems to be in an unknown state so the hub_activate during resume
fails the hub_port_status, then the hub will fail to work.
The quirky hub needs the reset-resume quirk to function correctly.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Chris Chiu <chris.chiu@canonical.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210420174651.6202-1-chris.chiu@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8f23fe35ff1e5491b4d279323a8209a31f03ae65 upstream.
This is another branded 8153 device that doesn't work well with LPM
enabled:
[ 400.597506] r8152 5-1.1:1.0 enx482ae3a2a6f0: Tx status -71
So disable LPM to resolve the issue.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
BugLink: https://bugs.launchpad.net/bugs/1922651
Link: https://lore.kernel.org/r/20210412135455.791971-1-kai.heng.feng@canonical.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 64f40f9be14106e7df0098c427cb60be645bddb7 upstream.
ToneLab EX guitar pedal device requires the same quirk like ToneLab ST
for supporting the MIDI.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=212593
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210407144549.1530-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2800aadc18a64c96b051bcb7da8a7df7d505db3f upstream.
It's possible for iwl_pcie_enqueue_hcmd() to be called with hard IRQs
disabled (e.g. from LED core). We can't enable BHs in such a situation.
Turn the unconditional BH-enable/BH-disable code into
hardirq-disable/conditional-enable.
This fixes the warning below.
WARNING: CPU: 1 PID: 1139 at kernel/softirq.c:178 __local_bh_enable_ip+0xa5/0xf0
CPU: 1 PID: 1139 Comm: NetworkManager Not tainted 5.12.0-rc1-00004-gb4ded168af79 #7
Hardware name: LENOVO 20K5S22R00/20K5S22R00, BIOS R0IET38W (1.16 ) 05/31/2017
RIP: 0010:__local_bh_enable_ip+0xa5/0xf0
Code: f7 69 e8 ee 23 14 00 fb 66 0f 1f 44 00 00 65 8b 05 f0 f4 f7 69 85 c0 74 3f 48 83 c4 08 5b c3 65 8b 05 9b fe f7 69 85 c0 75 8e <0f> 0b eb 8a 48 89 3c 24 e8 4e 20 14 00 48 8b 3c 24 eb 91 e8 13 4e
RSP: 0018:ffffafd580b13298 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000201 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000201 RDI: ffffffffc1272389
RBP: ffff96517ae4c018 R08: 0000000000000001 R09: 0000000000000000
R10: ffffafd580b13178 R11: 0000000000000001 R12: ffff96517b060000
R13: 0000000000000000 R14: ffffffff80000000 R15: 0000000000000001
FS: 00007fc604ebefc0(0000) GS:ffff965267480000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fb3fef13b2 CR3: 0000000109112004 CR4: 00000000003706e0
Call Trace:
? _raw_spin_unlock_bh+0x1f/0x30
iwl_pcie_enqueue_hcmd+0x5d9/0xa00 [iwlwifi]
iwl_trans_txq_send_hcmd+0x6c/0x430 [iwlwifi]
iwl_trans_send_cmd+0x88/0x170 [iwlwifi]
? lock_acquire+0x277/0x3d0
iwl_mvm_send_cmd+0x32/0x80 [iwlmvm]
iwl_mvm_led_set+0xc2/0xe0 [iwlmvm]
? led_trigger_event+0x46/0x70
led_trigger_event+0x46/0x70
ieee80211_do_open+0x5c5/0xa20 [mac80211]
ieee80211_open+0x67/0x90 [mac80211]
__dev_open+0xd4/0x150
__dev_change_flags+0x19e/0x1f0
dev_change_flags+0x23/0x60
do_setlink+0x30d/0x1230
? lock_is_held_type+0xb4/0x120
? __nla_validate_parse.part.7+0x57/0xcb0
? __lock_acquire+0x2e1/0x1a50
__rtnl_newlink+0x560/0x910
? __lock_acquire+0x2e1/0x1a50
? __lock_acquire+0x2e1/0x1a50
? lock_acquire+0x277/0x3d0
? sock_def_readable+0x5/0x290
? lock_is_held_type+0xb4/0x120
? find_held_lock+0x2d/0x90
? sock_def_readable+0xb3/0x290
? lock_release+0x166/0x2a0
? lock_is_held_type+0x90/0x120
rtnl_newlink+0x47/0x70
rtnetlink_rcv_msg+0x25c/0x470
? netlink_deliver_tap+0x97/0x3e0
? validate_linkmsg+0x350/0x350
netlink_rcv_skb+0x50/0x100
netlink_unicast+0x1b2/0x280
netlink_sendmsg+0x336/0x450
sock_sendmsg+0x5b/0x60
____sys_sendmsg+0x1ed/0x250
? copy_msghdr_from_user+0x5c/0x90
___sys_sendmsg+0x88/0xd0
? lock_is_held_type+0xb4/0x120
? find_held_lock+0x2d/0x90
? lock_release+0x166/0x2a0
? __fget_files+0xfe/0x1d0
? __sys_sendmsg+0x5e/0xa0
__sys_sendmsg+0x5e/0xa0
? lockdep_hardirqs_on_prepare+0xd9/0x170
do_syscall_64+0x33/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc605c9572d
Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 da ee ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 33 44 89 c7 48 89 44 24 08 e8 2e ef ff ff 48
RSP: 002b:00007fffc83789f0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000055ef468570c0 RCX: 00007fc605c9572d
RDX: 0000000000000000 RSI: 00007fffc8378a30 RDI: 000000000000000c
RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fffc8378b80 R14: 00007fffc8378b7c R15: 0000000000000000
irq event stamp: 170785
hardirqs last enabled at (170783): [<ffffffff9609a8c2>] __local_bh_enable_ip+0x82/0xf0
hardirqs last disabled at (170784): [<ffffffff96a8613d>] _raw_read_lock_irqsave+0x8d/0x90
softirqs last enabled at (170782): [<ffffffffc1272389>] iwl_pcie_enqueue_hcmd+0x5d9/0xa00 [iwlwifi]
softirqs last disabled at (170785): [<ffffffffc1271ec6>] iwl_pcie_enqueue_hcmd+0x116/0xa00 [iwlwifi]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM/Clang v12.0.0-rc3
Acked-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/nycvar.YFH.7.76.2103021125430.12405@cbobk.fhfr.pm
Signed-off-by: Jari Ruusu <jariruusu@protonmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bd78980be1a68d14524c51c4b4170782fada622b upstream.
Use memset to initialize local array in drivers/net/usb/ax88179_178a.c, and
also set a local u16 and u32 variable to 0. Fixes a KMSAN found uninit-value bug
reported by syzbot at:
https://syzkaller.appspot.com/bug?id=00371c73c72f72487c1d0bfe0cc9d00de339d5aa
Reported-by: syzbot+4993e4a0e237f1b53747@syzkaller.appspotmail.com
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2895a5e5b3ae78d9923a91fce405d4a2f32c4309 upstream.
timerfd gives processes a way to set wake alarms, but unlike timers made using
timer_create, timerfds don't check whether the process has CAP_WAKE_ALARM
before setting alarm-time timers. CAP_WAKE_ALARM is supposed to gate this
behavior and so it makes sense that we should deny permission to create such
timerfds if the process doesn't have this capability.
Signed-off-by: Eric Caruso <ejcaruso@google.com>
Cc: Todd Poynor <toddpoynor@google.com>
Link: http://lkml.kernel.org/r/1465427339-96209-1-git-send-email-ejcaruso@chromium.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kasper Zwijsen <Kasper.Zwijsen@UGent.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure to hold the sock_tag_list_lock while accessing the tag to
avoid a race between getting the tag and free'ing the tag.
Bug: 184018316
Fixes: c7ca0ac69702 ("ANDROID: netfilter: xt_qtaguid: add qtaguid matching module")
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: I62404bdaa602586e00821a7d4c5f9b9868a0e90a
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Changes in 4.4.268
net/sctp: fix race condition in sctp_destroy_sock
Input: nspire-keypad - enable interrupts only when opened
dmaengine: dw: Make it dependent to HAS_IOMEM
ARM: dts: Fix moving mmc devices with aliases for omap4 & 5
arc: kernel: Return -EFAULT if copy_to_user() fails
neighbour: Disregard DEAD dst in neigh_update
ARM: keystone: fix integer overflow warning
ASoC: fsl_esai: Fix TDM slot setup for I2S mode
net: ieee802154: stop dump llsec keys for monitors
net: ieee802154: stop dump llsec devs for monitors
net: ieee802154: forbid monitor for add llsec dev
net: ieee802154: stop dump llsec devkeys for monitors
net: ieee802154: forbid monitor for add llsec devkey
net: ieee802154: stop dump llsec seclevels for monitors
net: ieee802154: forbid monitor for add llsec seclevel
pcnet32: Use pci_resource_len to validate PCI resource
Input: i8042 - fix Pegatron C15B ID entry
scsi: libsas: Reset num_scatter if libata marks qc as NODATA
net: davicom: Fix regulator not turned off on failed probe
i40e: fix the panic when running bpf in xdpdrv mode
ARM: 9071/1: uprobes: Don't hook on thumb instructions
net: hso: fix null-ptr-deref during tty device unregistration
ext4: correct error label in ext4_rename()
ARM: dts: Fix swapped mmc order for omap3
s390/entry: save the caller of psw_idle
xen-netback: Check for hotplug-status existence before watching
cavium/liquidio: Fix duplicate argument
ia64: fix discontig.c section mismatches
ia64: tools: remove duplicate definition of ia64_mf() on ia64
compiler.h: enable builtin overflow checkers and add fallback code
overflow.h: Add allocation size calculation helpers
x86/crash: Fix crash_setup_memmap_entries() out-of-bounds access
net: hso: fix NULL-deref on disconnect regression
Linux 4.4.268
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I98c94e88153f3a181e39ce6eed3c983c356d5b94
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Tested-by: Pavel Machek (CIP) <pavel@denx.de>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Jason Self <jason@bluehome.net>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/r/20210426072816.574319312@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2ad5692db72874f02b9ad551d26345437ea4f7f3 upstream.
Commit 8a12f8836145 ("net: hso: fix null-ptr-deref during tty device
unregistration") fixed the racy minor allocation reported by syzbot, but
introduced an unconditional NULL-pointer dereference on every disconnect
instead.
Specifically, the serial device table must no longer be accessed after
the minor has been released by hso_serial_tty_unregister().
Fixes: 8a12f8836145 ("net: hso: fix null-ptr-deref during tty device unregistration")
Cc: stable@vger.kernel.org
Cc: Anirudh Rayabharam <mail@anirudhrb.com>
Reported-by: Leonardo Antoniazzi <leoanto@aruba.it>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Anirudh Rayabharam <mail@anirudhrb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5849cdf8c120e3979c57d34be55b92d90a77a47e upstream.
Commit in Fixes: added support for kexec-ing a kernel on panic using a
new system call. As part of it, it does prepare a memory map for the new
kernel.
However, while doing so, it wrongly accesses memory it has not
allocated: it accesses the first element of the cmem->ranges[] array in
memmap_exclude_ranges() but it has not allocated the memory for it in
crash_setup_memmap_entries(). As KASAN reports:
BUG: KASAN: vmalloc-out-of-bounds in crash_setup_memmap_entries+0x17e/0x3a0
Write of size 8 at addr ffffc90000426008 by task kexec/1187
(gdb) list *crash_setup_memmap_entries+0x17e
0xffffffff8107cafe is in crash_setup_memmap_entries (arch/x86/kernel/crash.c:322).
317 unsigned long long mend)
318 {
319 unsigned long start, end;
320
321 cmem->ranges[0].start = mstart;
322 cmem->ranges[0].end = mend;
323 cmem->nr_ranges = 1;
324
325 /* Exclude elf header region */
326 start = image->arch.elf_load_addr;
(gdb)
Make sure the ranges array becomes a single element allocated.
[ bp: Write a proper commit message. ]
Fixes: dd5f726076cc ("kexec: support for kexec on panic using new system call")
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Dave Young <dyoung@redhat.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/725fa3dc1da2737f0f6188a1a9701bead257ea9d.camel@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 610b15c50e86eb1e4b77274fabcaea29ac72d6a8 upstream.
In preparation for replacing unchecked overflows for memory allocations,
this creates helpers for the 3 most common calculations:
array_size(a, b): 2-dimensional array
array3_size(a, b, c): 3-dimensional array
struct_size(ptr, member, n): struct followed by n-many trailing members
Each of these return SIZE_MAX on overflow instead of wrapping around.
(Additionally renames a variable named "array_size" to avoid future
collision.)
Co-developed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f0907827a8a9152aedac2833ed1b674a7b2a44f2 upstream.
This adds wrappers for the __builtin overflow checkers present in gcc
5.1+ as well as fallback implementations for earlier compilers. It's not
that easy to implement the fully generic __builtin_X_overflow(T1 a, T2
b, T3 *d) in macros, so the fallback code assumes that T1, T2 and T3 are
the same. We obviously don't want the wrappers to have different
semantics depending on $GCC_VERSION, so we also insist on that even when
using the builtins.
There are a few problems with the 'a+b < a' idiom for checking for
overflow: For signed types, it relies on undefined behaviour and is
not actually complete (it doesn't check underflow;
e.g. INT_MIN+INT_MIN == 0 isn't caught). Due to type promotion it
is wrong for all types (signed and unsigned) narrower than
int. Similarly, when a and b does not have the same type, there are
subtle cases like
u32 a;
if (a + sizeof(foo) < a)
return -EOVERFLOW;
a += sizeof(foo);
where the test is always false on 64 bit platforms. Add to that that it
is not always possible to determine the types involved at a glance.
The new overflow.h is somewhat bulky, but that's mostly a result of
trying to be type-generic, complete (e.g. catching not only overflow
but also signed underflow) and not relying on undefined behaviour.
Linus is of course right [1] that for unsigned subtraction a-b, the
right way to check for overflow (underflow) is "b > a" and not
"__builtin_sub_overflow(a, b, &d)", but that's just one out of six cases
covered here, and included mostly for completeness.
So is it worth it? I think it is, if nothing else for the documentation
value of seeing
if (check_add_overflow(a, b, &d))
return -EGOAWAY;
do_stuff_with(d);
instead of the open-coded (and possibly wrong and/or incomplete and/or
UBsan-tickling)
if (a+b < a)
return -EGOAWAY;
do_stuff_with(a+b);
While gcc does recognize the 'a+b < a' idiom for testing unsigned add
overflow, it doesn't do nearly as good for unsigned multiplication
(there's also no single well-established idiom). So using
check_mul_overflow in kcalloc and friends may also make gcc generate
slightly better code.
[1] https://lkml.org/lkml/2015/11/2/658
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f4bf09dc3aaa4b07cd15630f2023f68cb2668809 ]
The ia64_mf() macro defined in tools/arch/ia64/include/asm/barrier.h is
already defined in <asm/gcc_intrin.h> on ia64 which causes libbpf
failing to build:
CC /usr/src/linux/tools/bpf/bpftool//libbpf/staticobjs/libbpf.o
In file included from /usr/src/linux/tools/include/asm/barrier.h:24,
from /usr/src/linux/tools/include/linux/ring_buffer.h:4,
from libbpf.c:37:
/usr/src/linux/tools/include/asm/../../arch/ia64/include/asm/barrier.h:43: error: "ia64_mf" redefined [-Werror]
43 | #define ia64_mf() asm volatile ("mf" ::: "memory")
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In file included from /usr/include/ia64-linux-gnu/asm/intrinsics.h:20,
from /usr/include/ia64-linux-gnu/asm/swab.h:11,
from /usr/include/linux/swab.h:8,
from /usr/include/linux/byteorder/little_endian.h:13,
from /usr/include/ia64-linux-gnu/asm/byteorder.h:5,
from /usr/src/linux/tools/include/uapi/linux/perf_event.h:20,
from libbpf.c:36:
/usr/include/ia64-linux-gnu/asm/gcc_intrin.h:382: note: this is the location of the previous definition
382 | #define ia64_mf() __asm__ volatile ("mf" ::: "memory")
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cc1: all warnings being treated as errors
Thus, remove the definition from tools/arch/ia64/include/asm/barrier.h.
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e2af9da4f867a1a54f1252bf3abc1a5c63951778 ]
Fix IA64 discontig.c Section mismatch warnings.
When CONFIG_SPARSEMEM=y and CONFIG_MEMORY_HOTPLUG=y, the functions
computer_pernodesize() and scatter_node_data() should not be marked as
__meminit because they are needed after init, on any memory hotplug
event. Also, early_nr_cpus_node() is called by compute_pernodesize(),
so early_nr_cpus_node() cannot be __meminit either.
WARNING: modpost: vmlinux.o(.text.unlikely+0x1612): Section mismatch in reference from the function arch_alloc_nodedata() to the function .meminit.text:compute_pernodesize()
The function arch_alloc_nodedata() references the function __meminit compute_pernodesize().
This is often because arch_alloc_nodedata lacks a __meminit annotation or the annotation of compute_pernodesize is wrong.
WARNING: modpost: vmlinux.o(.text.unlikely+0x1692): Section mismatch in reference from the function arch_refresh_nodedata() to the function .meminit.text:scatter_node_data()
The function arch_refresh_nodedata() references the function __meminit scatter_node_data().
This is often because arch_refresh_nodedata lacks a __meminit annotation or the annotation of scatter_node_data is wrong.
WARNING: modpost: vmlinux.o(.text.unlikely+0x1502): Section mismatch in reference from the function compute_pernodesize() to the function .meminit.text:early_nr_cpus_node()
The function compute_pernodesize() references the function __meminit early_nr_cpus_node().
This is often because compute_pernodesize lacks a __meminit annotation or the annotation of early_nr_cpus_node is wrong.
Link: https://lkml.kernel.org/r/20210411001201.3069-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 416dcc5ce9d2a810477171c62ffa061a98f87367 ]
Fix the following coccicheck warning:
./drivers/net/ethernet/cavium/liquidio/cn66xx_regs.h:413:6-28:
duplicated argument to & or |
The CN6XXX_INTR_M1UPB0_ERR here is duplicate.
Here should be CN6XXX_INTR_M1UNB0_ERR.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2afeec08ab5c86ae21952151f726bfe184f6b23d ]
The logic in connect() is currently written with the assumption that
xenbus_watch_pathfmt() will return an error for a node that does not
exist. This assumption is incorrect: xenstore does allow a watch to
be registered for a nonexistent node (and will send notifications
should the node be subsequently created).
As of commit 1f2565780 ("xen-netback: remove 'hotplug-status' once it
has served its purpose"), this leads to a failure when a domU
transitions into XenbusStateConnected more than once. On the first
domU transition into Connected state, the "hotplug-status" node will
be deleted by the hotplug_status_changed() callback in dom0. On the
second or subsequent domU transition into Connected state, the
hotplug_status_changed() callback will therefore never be invoked, and
so the backend will remain stuck in InitWait.
This failure prevents scenarios such as reloading the xen-netfront
module within a domU, or booting a domU via iPXE. There is
unfortunately no way for the domU to work around this dom0 bug.
Fix by explicitly checking for existence of the "hotplug-status" node,
thereby creating the behaviour that was previously assumed to exist.
Signed-off-by: Michael Brown <mbrown@fensystems.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a994eddb947ea9ebb7b14d9a1267001699f0a136 ]
Currently psw_idle does not allocate a stack frame and does not
save its r14 and r15 into the save area. Even though this is valid from
call ABI point of view, because psw_idle does not make any calls
explicitly, in reality psw_idle is an entry point for controlled
transition into serving interrupts. So, in practice, psw_idle stack
frame is analyzed during stack unwinding. Depending on build options
that r14 slot in the save area of psw_idle might either contain a value
saved by previous sibling call or complete garbage.
[task 0000038000003c28] do_ext_irq+0xd6/0x160
[task 0000038000003c78] ext_int_handler+0xba/0xe8
[task *0000038000003dd8] psw_idle_exit+0x0/0x8 <-- pt_regs
([task 0000038000003dd8] 0x0)
[task 0000038000003e10] default_idle_call+0x42/0x148
[task 0000038000003e30] do_idle+0xce/0x160
[task 0000038000003e70] cpu_startup_entry+0x36/0x40
[task 0000038000003ea0] arch_call_rest_init+0x76/0x80
So, to make a stacktrace nicer and actually point for the real caller of
psw_idle in this frequently occurring case, make psw_idle save its r14.
[task 0000038000003c28] do_ext_irq+0xd6/0x160
[task 0000038000003c78] ext_int_handler+0xba/0xe8
[task *0000038000003dd8] psw_idle_exit+0x0/0x6 <-- pt_regs
([task 0000038000003dd8] arch_cpu_idle+0x3c/0xd0)
[task 0000038000003e10] default_idle_call+0x42/0x148
[task 0000038000003e30] do_idle+0xce/0x160
[task 0000038000003e70] cpu_startup_entry+0x36/0x40
[task 0000038000003ea0] arch_call_rest_init+0x76/0x80
Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a1ebdb3741993f853865d1bd8f77881916ad53a7 ]
Also some omap3 devices like n900 seem to have eMMC and micro-sd swapped
around with commit 21b2cec61c04 ("mmc: Set PROBE_PREFER_ASYNCHRONOUS for
drivers that existed in v4.4").
Let's fix the issue with aliases as discussed on the mailing lists. While
the mmc aliases should be board specific, let's first fix the issue with
minimal changes.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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The backport of upstream patch 5dccdc5a1916 ("ext4: do not iput inode
under running transaction in ext4_rename()") introduced a regression on
the stable kernels 4.14 and older. One of the end_rename error label was
forgetting to change to release_bh, which may trigger below bug.
------------[ cut here ]------------
kernel BUG at /home/zhangyi/hulk-4.4/fs/ext4/ext4_jbd2.c:30!
...
Call Trace:
[<ffffffff8b4207b2>] ext4_rename+0x9e2/0x10c0
[<ffffffff8b331324>] ? unlazy_walk+0x124/0x2a0
[<ffffffff8b420eb5>] ext4_rename2+0x25/0x60
[<ffffffff8b335104>] vfs_rename+0x3a4/0xed0
[<ffffffff8b33a7ad>] SYSC_renameat2+0x57d/0x7f0
[<ffffffff8b33c119>] SyS_renameat+0x19/0x30
[<ffffffff8bc57bb8>] entry_SYSCALL_64_fastpath+0x18/0x78
...
---[ end trace 75346ce7c76b9f06 ]---
Fixes: 2fc8ce56985d ("ext4: do not iput inode under running transaction in ext4_rename()")
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8a12f8836145ffe37e9c8733dce18c22fb668b66 upstream
Multiple ttys try to claim the same the minor number causing a double
unregistration of the same device. The first unregistration succeeds
but the next one results in a null-ptr-deref.
The get_free_serial_index() function returns an available minor number
but doesn't assign it immediately. The assignment is done by the caller
later. But before this assignment, calls to get_free_serial_index()
would return the same minor number.
Fix this by modifying get_free_serial_index to assign the minor number
immediately after one is found to be and rename it to obtain_minor()
to better reflect what it does. Similary, rename set_serial_by_index()
to release_minor() and modify it to free up the minor number of the
given hso_serial. Every obtain_minor() should have corresponding
release_minor() call.
Fixes: 72dc1c096c705 ("HSO: add option hso driver")
Reported-by: syzbot+c49fe6089f295a05e6f8@syzkaller.appspotmail.com
Tested-by: syzbot+c49fe6089f295a05e6f8@syzkaller.appspotmail.com
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[sudip: adjust context]
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d2f7eca60b29006285d57c7035539e33300e89e5 upstream.
Since uprobes is not supported for thumb, check that the thumb bit is
not set when matching the uprobes instruction hooks.
The Arm UDF instructions used for uprobes triggering
(UPROBE_SWBP_ARM_INSN and UPROBE_SS_ARM_INSN) coincidentally share the
same encoding as a pair of unallocated 32-bit thumb instructions (not
UDF) when the condition code is 0b1111 (0xf). This in effect makes it
possible to trigger the uprobes functionality from thumb, and at that
using two unallocated instructions which are not permanently undefined.
Signed-off-by: Fredrik Strupe <fredrik@strupe.net>
Cc: stable@vger.kernel.org
Fixes: c7edc9e326d5 ("ARM: add uprobes support")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4e39a072a6a0fc422ba7da5e4336bdc295d70211 upstream.
Fix this panic by adding more rules to calculate the value of @rss_size_max
which could be used in allocating the queues when bpf is loaded, which,
however, could cause the failure and then trigger the NULL pointer of
vsi->rx_rings. Prio to this fix, the machine doesn't care about how many
cpus are online and then allocates 256 queues on the machine with 32 cpus
online actually.
Once the load of bpf begins, the log will go like this "failed to get
tracking for 256 queues for VSI 0 err -12" and this "setup of MAIN VSI
failed".
Thus, I attach the key information of the crash-log here.
BUG: unable to handle kernel NULL pointer dereference at
0000000000000000
RIP: 0010:i40e_xdp+0xdd/0x1b0 [i40e]
Call Trace:
[2160294.717292] ? i40e_reconfig_rss_queues+0x170/0x170 [i40e]
[2160294.717666] dev_xdp_install+0x4f/0x70
[2160294.718036] dev_change_xdp_fd+0x11f/0x230
[2160294.718380] ? dev_disable_lro+0xe0/0xe0
[2160294.718705] do_setlink+0xac7/0xe70
[2160294.719035] ? __nla_parse+0xed/0x120
[2160294.719365] rtnl_newlink+0x73b/0x860
Fixes: 41c445ff0f48 ("i40e: main driver core")
Co-developed-by: Shujin Li <lishujin@kuaishou.com>
Signed-off-by: Shujin Li <lishujin@kuaishou.com>
Signed-off-by: Jason Xing <xingwanli@kuaishou.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 31457db3750c0b0ed229d836f2609fdb8a5b790e upstream.
When the probe fails, we must disable the regulator that was previously
enabled.
This patch is a follow-up to commit ac88c531a5b3
("net: davicom: Fix regulator not turned off on failed probe") which missed
one case.
Fixes: 7994fe55a4a2 ("dm9000: Add regulator and reset support to dm9000")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 176ddd89171ddcf661862d90c5d257877f7326d6 upstream.
When the cache_type for the SCSI device is changed, the SCSI layer issues a
MODE_SELECT command. The caching mode details are communicated via a
request buffer associated with the SCSI command with data direction set as
DMA_TO_DEVICE (scsi_mode_select()). When this command reaches the libata
layer, as a part of generic initial setup, libata layer sets up the
scatterlist for the command using the SCSI command (ata_scsi_qc_new()).
This command is then translated by the libata layer into
ATA_CMD_SET_FEATURES (ata_scsi_mode_select_xlat()). The libata layer treats
this as a non-data command (ata_mselect_caching()), since it only needs an
ATA taskfile to pass the caching on/off information to the device. It does
not need the scatterlist that has been setup, so it does not perform
dma_map_sg() on the scatterlist (ata_qc_issue()). Unfortunately, when this
command reaches the libsas layer (sas_ata_qc_issue()), libsas layer sees it
as a non-data command with a scatterlist. It cannot extract the correct DMA
length since the scatterlist has not been mapped with dma_map_sg() for a
DMA operation. When this partially constructed SAS task reaches pm80xx
LLDD, it results in the following warning:
"pm80xx_chip_sata_req 6058: The sg list address
start_addr=0x0000000000000000 data_len=0x0end_addr_high=0xffffffff
end_addr_low=0xffffffff has crossed 4G boundary"
Update libsas to handle ATA non-data commands separately so num_scatter and
total_xfer_len remain 0.
Link: https://lore.kernel.org/r/20210318225632.2481291-1-jollys@google.com
Fixes: 53de092f47ff ("scsi: libsas: Set data_dir as DMA_NONE if libata marks qc as NODATA")
Tested-by: Luo Jiaxing <luojiaxing@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jolly Shah <jollys@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit daa58c8eec0a65ac8e2e77ff3ea8a233d8eec954 upstream.
The Zenbook Flip entry that was added overwrites a previous one
because of a typo:
In file included from drivers/input/serio/i8042.h:23,
from drivers/input/serio/i8042.c:131:
drivers/input/serio/i8042-x86ia64io.h:591:28: error: initialized field overwritten [-Werror=override-init]
591 | .matches = {
| ^
drivers/input/serio/i8042-x86ia64io.h:591:28: note: (near initialization for 'i8042_dmi_noselftest_table[0].matches')
Add the missing separator between the two.
Fixes: b5d6e7ab7fe7 ("Input: i8042 - add ASUS Zenbook Flip to noselftest list")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Link: https://lore.kernel.org/r/20210323130623.2302402-1-arnd@kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 66c3f05ddc538ee796321210c906b6ae6fc0792a ]
pci_resource_start() is not a good indicator to determine if a PCI
resource exists or not, since the resource may start at address 0.
This is seen when trying to instantiate the driver in qemu for riscv32
or riscv64.
pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f]
pci 0000:00:01.0: reg 0x14: [mem 0x00000000-0x0000001f]
...
pcnet32: card has no PCI IO resources, aborting
Use pci_resouce_len() instead.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9ec87e322428d4734ac647d1a8e507434086993d ]
This patch forbids to add llsec seclevel for monitor interfaces which we
don't support yet. Otherwise we will access llsec mib which isn't
initialized for monitors.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-14-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4c9b4f55ad1f5a4b6206ac4ea58f273126d21925 ]
This patch stops dumping llsec seclevels for monitors which we don't
support yet. Otherwise we will access llsec mib which isn't initialized
for monitors.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-13-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a347b3b394868fef15b16f143719df56184be81d ]
This patch forbids to add llsec devkey for monitor interfaces which we
don't support yet. Otherwise we will access llsec mib which isn't
initialized for monitors.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-11-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 080d1a57a94d93e70f84b7a360baa351388c574f ]
This patch stops dumping llsec devkeys for monitors which we don't support
yet. Otherwise we will access llsec mib which isn't initialized for
monitors.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-10-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5303f956b05a2886ff42890908156afaec0f95ac ]
This patch forbids to add llsec dev for monitor interfaces which we
don't support yet. Otherwise we will access llsec mib which isn't
initialized for monitors.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-8-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5582d641e6740839c9b83efd1fbf9bcd00b6f5fc ]
This patch stops dumping llsec devs for monitors which we don't support
yet. Otherwise we will access llsec mib which isn't initialized for
monitors.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-7-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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