| Commit message (Collapse) | Author | Age |
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[ Upstream commit 26783d74cc6a440ee3ef9836a008a697981013d0 ]
The "req" struct is always added to the "wm831x->auxadc_pending" list,
but it's only removed from the list on the success path. If a failure
occurs then the "req" struct is freed but it's still on the list,
leading to a use after free.
Fixes: 78bb3688ea18 ("mfd: Support multiple active WM831x AUXADC conversions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit befe6d946551d65cddbd32b9cb0170b0249fd5ed ]
The list of tracepoint callbacks is managed by an array that is protected
by RCU. To update this array, a new array is allocated, the updates are
copied over to the new array, and then the list of functions for the
tracepoint is switched over to the new array. After a completion of an RCU
grace period, the old array is freed.
This process happens for both adding a callback as well as removing one.
But on removing a callback, if the new array fails to be allocated, the
callback is not removed, and may be used after it is freed by the clients
of the tracepoint.
There's really no reason to fail if the allocation for a new array fails
when removing a function. Instead, the function can simply be replaced by a
stub function that could be cleaned up on the next modification of the
array. That is, instead of calling the function registered to the
tracepoint, it would call a stub function in its place.
Link: https://lore.kernel.org/r/20201115055256.65625-1-mmullins@mmlx.us
Link: https://lore.kernel.org/r/20201116175107.02db396d@gandalf.local.home
Link: https://lore.kernel.org/r/20201117211836.54acaef2@oasis.local.home
Link: https://lkml.kernel.org/r/20201118093405.7a6d2290@gandalf.local.home
[ Note, this version does use undefined compiler behavior (assuming that
a stub function with no parameters or return, can be called by a location
that thinks it has parameters but still no return value. Static calls
do the same thing, so this trick is not without precedent.
There's another solution that uses RCU tricks and is more complex, but
can be an alternative if this solution becomes an issue.
Link: https://lore.kernel.org/lkml/20210127170721.58bce7cc@gandalf.local.home/
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Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@chromium.org>
Cc: netdev <netdev@vger.kernel.org>
Cc: bpf <bpf@vger.kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Florian Weimer <fw@deneb.enyo.de>
Fixes: 97e1c18e8d17b ("tracing: Kernel Tracepoints")
Reported-by: syzbot+83aa762ef23b6f0d1991@syzkaller.appspotmail.com
Reported-by: syzbot+d29e58bb557324e55e5e@syzkaller.appspotmail.com
Reported-by: Matt Mullins <mmullins@mmlx.us>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Tested-by: Matt Mullins <mmullins@mmlx.us>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit de5d7adb89367bbc87b4e5ce7afe7ae9bd86dc12 ]
Consider an amba driver with a .probe but without a .remove callback (e.g.
pl061_gpio_driver). The function amba_probe() is called to bind a device
and so dev_pm_domain_attach() and others are called. As there is no remove
callback amba_remove() isn't called at unbind time however and so calling
dev_pm_domain_detach() is missed and the pm domain keeps active.
To fix this always use the core driver callbacks and handle missing amba
callbacks there. For probe refuse registration as a driver without probe
doesn't make sense.
Fixes: 7cfe249475fd ("ARM: AMBA: Add pclk support to AMBA bus infrastructure")
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210126165835.687514-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2acb909750431030b65a0a2a17fd8afcbd813a84 ]
It was observed that decompressor running on hardware implementing ARM v8.2
Load/Store Multiple Atomicity and Ordering Control (LSMAOC), say, as guest,
would stuck just after:
Uncompressing Linux... done, booting the kernel.
The reason is that it clears nTLSMD bit when disabling caches:
nTLSMD, bit [3]
When ARMv8.2-LSMAOC is implemented:
No Trap Load Multiple and Store Multiple to
Device-nGRE/Device-nGnRE/Device-nGnRnE memory.
0b0 All memory accesses by A32 and T32 Load Multiple and Store
Multiple at EL1 or EL0 that are marked at stage 1 as
Device-nGRE/Device-nGnRE/Device-nGnRnE memory are trapped and
generate a stage 1 Alignment fault.
0b1 All memory accesses by A32 and T32 Load Multiple and Store
Multiple at EL1 or EL0 that are marked at stage 1 as
Device-nGRE/Device-nGnRE/Device-nGnRnE memory are not trapped.
This bit is permitted to be cached in a TLB.
This field resets to 1.
Otherwise:
Reserved, RES1
So as effect we start getting traps we are not quite ready for.
Looking into history it seems that mask used for SCTLR clear came from
the similar code for ARMv4, where bit[3] is the enable/disable bit for
the write buffer. That not applicable to ARMv7 and onwards, so retire
that bit from the masks.
Fixes: 7d09e85448dfa78e3e58186c934449aaf6d49b50 ("[ARM] 4393/2: ARMv7: Add uncompressing code for the new CPU Id format")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6052b3c370fb82dec28bcfff6d7ec0da84ac087a ]
A call to 'ausdhi6_dma_release()' to undo a previous call to
'usdhi6_dma_request()' is missing in the error handling path of the probe
function.
It is already present in the remove function.
Fixes: 75fa9ea6e3c0 ("mmc: add a driver for the Renesas usdhi6rol0 SD/SDIO host controller")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201217210922.165340-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 910a0cb6d259736a0c86e795d4c2f42af8d0d775 ]
PPC47x_TLBE_SIZE isn't defined for 256k pages, leading to a build
break if 256k pages is selected.
So change the kconfig so that 256k pages can't be selected for 47x.
Fixes: e7f75ad01d59 ("powerpc/47x: Base ppc476 support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Expand change log to mention build break]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2fed79b1154c872194f98bac4422c23918325e61.1611128938.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4fc5461823c9cad547a9bdfbf17d13f0da0d6bb5 ]
MAD message received by the user has EINVAL error in all flows
including when the device is disassociated. That makes it impossible
for the applications to treat such flow differently.
Change it to return EIO, so the applications will be able to perform
disassociation recovery.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/r/20210125121339.837518-2-leon@kernel.org
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0a6dc67a6aa45f19bd4ff89b4f468fc50c4b8daa ]
Release the buffer_head before returning error code in
do_isofs_readdir() and isofs_find_entry().
Fixes: 2deb1acc653c ("isofs: fix access to unallocated memory when reading corrupted filesystem")
Link: https://lore.kernel.org/r/20210118120455.118955-1-bianpan2016@163.com
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e78bf6be7edaacb39778f3a89416caddfc6c6d70 ]
Decrements the reference count of device node and its child node.
Fixes: dfe7a1b058bb ("regulator: AXP20x: Add support for regulators subsystem")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210120123313.107640-1-bianpan2016@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7da390694afbaed8e0f05717a541dfaf1077ba51 ]
When DEBUG is defined this error occurs
drivers/clocksource/mxs_timer.c:138:1: error:
expected ‘;’ before ‘}’ token
The preceding statement needs a semicolon.
Replace pr_info() with pr_debug() and remove the unneeded ifdef.
Fixes: eb8703e2ef7c ("clockevents/drivers/mxs: Migrate to new 'set-state' interface")
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210118211955.763609-1-trix@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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probe function
[ Upstream commit b202d4e82531a62a33a6b14d321dd2aad491578e ]
In case of error, the previous 'fsl_dma_chan_probe()' calls must be undone
by some 'fsl_dma_chan_remove()', as already done in the remove function.
It was added in the remove function in commit 77cd62e8082b ("fsldma: allow
Freescale Elo DMA driver to be compiled as a module")
Fixes: d3f620b2c4fe ("fsldma: simplify IRQ probing and handling")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201212160614.92576-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cbc0ad004c03ad7971726a5db3ec84dba3dcb857 ]
A 'irq_dispose_mapping()' call is missing in the remove function.
Add it.
This is needed to undo the 'irq_of_parse_and_map() call from the probe
function and already part of the error handling path of the probe function.
It was added in the probe function only in commit d3f620b2c4fe ("fsldma:
simplify IRQ probing and handling")
Fixes: 77cd62e8082b ("fsldma: allow Freescale Elo DMA driver to be compiled as a module")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201212160516.92515-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a0312af1f94d13800e63a7d0a66e563582e39aec ]
Prevent invalid (0, 0) inputs to hid-core's snto32() function.
Maybe it is just the dummy device here that is causing this, but
there are hundreds of calls to snto32(0, 0). Having n (bits count)
of 0 is causing the current UBSAN trap with a shift value of
0xffffffff (-1, or n - 1 in this function).
Either of the value to shift being 0 or the bits count being 0 can be
handled by just returning 0 to the caller, avoiding the following
complex shift + OR operations:
return value & (1 << (n - 1)) ? value | (~0U << n) : value;
Fixes: dde5845a529f ("[PATCH] Generic HID layer - code split")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: syzbot+1e911ad71dd4ea72e04a@syzkaller.appspotmail.com
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2f290b7c67adf6459a17a4c978102af35cd62e4a ]
The "rate" parameter in meson_clk_pll_set_rate() contains the new rate.
Retrieve the old rate with clk_hw_get_rate() so we don't inifinitely try
to switch from the new rate to the same rate again.
Fixes: 7a29a869434e8b ("clk: meson: Add support for Meson clock controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20201226121556.975418-2-martin.blumenstingl@googlemail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 19646447ad3a680d2ab08c097585b7d96a66126b ]
clang static analysis reports this problem
fs/jffs2/summary.c:794:31: warning: Use of memory after it is freed
c->summary->sum_list_head = temp->u.next;
^~~~~~~~~~~~
In jffs2_sum_write_data(), in a loop summary data is handles a node at
a time. When it has written out the node it is removed the summary list,
and the node is deleted. In the corner case when a
JFFS2_FEATURE_RWCOMPAT_COPY is seen, a call is made to
jffs2_sum_disable_collecting(). jffs2_sum_disable_collecting() deletes
the whole list which conflicts with the loop's deleting the list by parts.
To preserve the old behavior of stopping the write midway, bail out of
the loop after disabling summary collection.
Fixes: 6171586a7ae5 ("[JFFS2] Correct handling of JFFS2_FEATURE_RWCOMPAT_COPY nodes.")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4208c398aae4c2290864ba15c3dab7111f32bec1 ]
The left shift of int 32 bit integer constant 1 is evaluated using 32 bit
arithmetic and then assigned to a signed 64 bit integer. In the case where
l2nb is 32 or more this can lead to an overflow. Avoid this by shifting
the value 1LL instead.
Addresses-Coverity: ("Uninitentional integer overflow")
Fixes: b40c2e665cd5 ("fs/jfs: TRIM support for JFS Filesystem")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3cc64e7ebfb0d7faaba2438334c43466955a96e8 ]
Return value in __load_free_space_cache is not properly set after
(unlikely) memory allocation failures and 0 is returned instead.
This is not a problem for the caller load_free_space_cache because only
value 1 is considered as 'cache loaded' but for clarity it's better
to set the errors accordingly.
Fixes: a67509c30079 ("Btrfs: add a io_ctl struct and helpers for dealing with the space cache")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.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 dc9455ffae02d7b7fb51ba1e007fffcb9dc5d890 ]
The Renkforce RF AC4K 300 Action Cam 4K reports invalid bFormatIndex and
bFrameIndex values when negotiating the video probe and commit controls.
The UVC descriptors report a single supported format and frame size,
with bFormatIndex and bFrameIndex both equal to 2, but the video probe
and commit controls report bFormatIndex and bFrameIndex set to 1.
The device otherwise operates correctly, but the driver rejects the
values and fails the format try operation. Fix it by ignoring the
invalid indices, and assuming that the format and frame requested by the
driver are accepted by the device.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=210767
Fixes: 8a652a17e3c0 ("media: uvcvideo: Ensure all probed info is returned to v4l2")
Reported-by: Till Dörges <doerges@pre-sense.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b2de3643c5024fc4fd128ba7767c7fb8b714bea7 ]
This function looks like a realloc.
However, if 'risc->cpu != NULL', the memory will be freed, but never
reallocated with the bigger 'size'.
Explicitly set 'risc->cpu' to NULL, so that the reallocation is
correctly performed a few lines below.
[hverkuil: NULL != risc->cpu -> risc->cpu]
Fixes: 5ede94c70553 ("[media] cx25821: remove bogus btcx_risc dependency)
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 59a3e78f8cc33901fe39035c1ab681374bba95ad ]
There's a comma used instead of a semicolon that causes multiple
statements to be executed after an if instead of just the intended
single statement.
Replace the comma with a semicolon.
Fixes: 15e1ce33182d ("[media] lmedm04: Fix usb_submit_urb BOGUS urb xfer, pipe 1 != type 3 in interrupt urb")
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 856fe64da84c95a1d415564b981ae3908eea2a76 ]
There are two issues with this code. The first error path forgot to set
the error code and instead returns success. The second error path
doesn't clean up.
Fixes: 272b5edd3b8f ("ASoC: Add support for CS42L56 CODEC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X9NE/9nK9/TuxuL+@mwanda
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 76aaf8a96771c16365b8510f1fb97738dc88026e ]
When usb_clear_halt() fails, dvb->bulk_urb->transfer_buffer
and dvb->bulk_urb should be freed just like when
usb_submit_urb() fails.
Fixes: 3169c9b26fffa ("V4L/DVB (12788): tm6000: Add initial DVB-T support")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 15d0c52241ecb1c9d802506bff6f5c3f7872c0df ]
When vb2_queue_init() fails, dev->empress_dev
should be released just like other error handling
paths.
Fixes: 2ada815fc48bb ("[media] saa7134: convert to vb2")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c6f2a9e17b9bef7677caddb1626c2402f3e9d2bd ]
When building xway_defconfig with clang:
arch/mips/lantiq/irq.c:305:48: error: use of logical '&&' with constant
operand [-Werror,-Wconstant-logical-operand]
if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT)
^ ~~~~~~~~~~~~~~~~~
arch/mips/lantiq/irq.c:305:48: note: use '&' for a bitwise operation
if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT)
^~
&
arch/mips/lantiq/irq.c:305:48: note: remove constant to silence this
warning
if ((irq == LTQ_ICU_EBU_IRQ) && (module == 0) && LTQ_EBU_PCC_ISTAT)
~^~~~~~~~~~~~~~~~~~~~
1 error generated.
Explicitly compare the constant LTQ_EBU_PCC_ISTAT against 0 to fix the
warning. Additionally, remove the unnecessary parentheses as this is a
simple conditional statement and shorthand '== 0' to '!'.
Fixes: 3645da0276ae ("OF: MIPS: lantiq: implement irq_domain support")
Link: https://github.com/ClangBuiltLinux/linux/issues/807
Reported-by: Dmitry Golovin <dima@golovin.in>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c58734eee6a2151ba033c0dcb31902c89e310374 ]
When building with clang, the following section mismatch warning occurs:
WARNING: modpost: vmlinux.o(.text+0x24490): Section mismatch in
reference from the function r4k_cache_init() to the function
.init.text:loongson2_sc_init()
This should have been fixed with commit ad4fddef5f23 ("mips: fix Section
mismatch in reference") but it was missed. Remove the improper __init
annotation like that commit did.
Fixes: 078a55fc824c ("MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code")
Link: https://github.com/ClangBuiltLinux/linux/issues/787
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 15ccc39b3aab667c6fa131206f01f31bfbccdf6a ]
The main problem with this error handling was that it didn't clean up if
i2c_add_numbered_adapter() failed. This code is pretty old, and doesn't
match with today's checkpatch.pl standards so I took the opportunity to
tidy it up a bit. I changed the NULL comparison, and removed the
WARNING message if kzalloc() fails and updated the label names.
Fixes: 1b082ccf5901 ("gma500: Add Oaktrail support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/X8ikkAqZfnDO2lu6@mwanda
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6926872ae24452d4f2176a3ba2dee659497de2c4 ]
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 5c49fd3aa0ab ("gma500: Add the core DRM files and headers")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201130020216.1906141-1-zhangjialin11@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c6c90c70db4d9a0989111d6b994d545659410f7a ]
It looks like SPARC64 requires FB_ATY_CT to build without errors,
so have FB_ATY select FB_ATY_CT if both SPARC64 and PCI are enabled
instead of using "default y if SPARC64 && PCI", which is not strong
enough to prevent build errors.
As it currently is, FB_ATY_CT can be disabled, resulting in build
errors:
ERROR: modpost: "aty_postdividers" [drivers/video/fbdev/aty/atyfb.ko] undefined!
ERROR: modpost: "aty_ld_pll_ct" [drivers/video/fbdev/aty/atyfb.ko] undefined!
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: f7018c213502 ("video: move fbdev to drivers/video/fbdev")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-fbdev@vger.kernel.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201127031752.10371-1-rdunlap@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4773acf3d4b50768bf08e9e97a204819e9ea0895 ]
The documentation for the PHY update [1] states:
Loop 4 times with index i
If PHY Revision >= 3
Copy table[i] to coef[i]
Otherwise
Set coef[i] to 0
the copy of the table to coef is currently implemented the wrong way
around, table is being updated from uninitialized values in coeff.
Fix this by swapping the assignment around.
[1] https://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal/
Fixes: 2f258b74d13c ("b43: N-PHY: implement restoring general configuration")
Addresses-Coverity: ("Uninitialized scalar variable")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a3daf3d39132b405781be8d9ede0c449b244b64e ]
In case of a common event for rx and tx queue the event should be
regarded to be spurious if no rx and no tx requests are pending.
Unfortunately the condition for testing that is wrong causing to
decide a event being spurious if no rx OR no tx requests are
pending.
Fix that plus using local variables for rx/tx pending indicators in
order to split function calls and if condition.
Fixes: 23025393dbeb3b ("xen/netback: use lateeoi irq binding")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Wei Liu <wl@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 132e0b65dc2b8bfa9721bfce834191f24fd1d7ed ]
A TX queue can potentially immediately timeout after it is stopped
and the last TX timestamp on that queue was more than 5 seconds ago with
carrier still up. Prevent these intermittent false TX timeouts
by bringing down carrier first before calling netif_tx_disable().
Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7f9942c61fa60eda7cc8e42f04bd25b7d175876e ]
Building with the clang integrated assembler produces a couple of
errors for the s3c24xx fiq support:
arch/arm/mach-s3c/irq-s3c24xx-fiq.S:52:2: error: instruction 'subne' can not set flags, but 's' suffix specified
subnes pc, lr, #4 @@ return, still have work to do
arch/arm/mach-s3c/irq-s3c24xx-fiq.S:64:1: error: invalid symbol redefinition
s3c24xx_spi_fiq_txrx:
There are apparently two problems: one with extraneous or duplicate
labels, and one with old-style opcode mnemonics. Stefan Agner has
previously fixed other problems like this, but missed this particular
file.
Fixes: bec0806cfec6 ("spi_s3c24xx: add FIQ pseudo-DMA support")
Cc: Stefan Agner <stefan@agner.ch>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20210204162416.3030114-1-arnd@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1a9e38cabd80356ffb98c2c88fec528ea9644fd5 ]
With some USB network adapters, such as DM96xx, the following message
is seen for each maximum size receive packet.
dwc2 ff540000.usb: dwc2_update_urb_state(): trimming xfer length
This happens because the packet size requested by the driver is 1522
bytes, wMaxPacketSize is 64, the dwc2 driver configures the chip to
receive 24*64 = 1536 bytes, and the chip does indeed send more than
1522 bytes of data. Since the event does not indicate an error condition,
the message is just noise. Demote it to debug level.
Fixes: 7359d482eb4d3 ("staging: HCD files for the DWC2 driver")
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20210113112052.17063-4-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f74b68c61cbc4b2245022fcce038509333d63f6f ]
In some situations, the following error messages are reported.
dwc2 ff540000.usb: dwc2_hc_chhltd_intr_dma: Channel 1 - ChHltd set, but reason is unknown
dwc2 ff540000.usb: hcint 0x00000002, intsts 0x04000021
This is sometimes followed by:
dwc2 ff540000.usb: dwc2_update_urb_state_abn(): trimming xfer length
and then:
WARNING: CPU: 0 PID: 0 at kernel/v4.19/drivers/usb/dwc2/hcd.c:2913
dwc2_assign_and_init_hc+0x98c/0x990
The warning suggests that an odd buffer address is to be used for DMA.
After an error is observed, the receive buffer may be full
(urb->actual_length >= urb->length). However, the urb is still left in
the queue unless three errors were observed in a row. When it is queued
again, the dwc2 hcd code translates this into a 1-block transfer.
If urb->actual_length (ie the total expected receive length) is not
DMA-aligned, the buffer pointer programmed into the chip will be
unaligned. This results in the observed warning.
To solve the problem, abort input transactions after an error with
unknown cause if the entire packet was already received. This may be
a bit drastic, but we don't really know why the transfer was aborted
even though the entire packet was received. Aborting the transfer in
this situation is less risky than accepting a potentially corrupted
packet.
With this patch in place, the 'ChHltd set' and 'trimming xfer length'
messages are still observed, but there are no more transfer attempts
with odd buffer addresses.
Fixes: 151d0cbdbe860 ("usb: dwc2: make the scheduler handle excessive NAKs better")
Cc: Boris ARZUR <boris@konbu.org>
Cc: Douglas Anderson <dianders@chromium.org>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20210113112052.17063-3-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 28a758c861ff290e39d4f1ee0aa5df0f0b9a45ee ]
Jump to the label done to decrement the reference count of HCI device
hdev on path that the Inquiry procedure is interrupted.
Fixes: 3e13fa1e1fab ("Bluetooth: Fix hci_inquiry ioctl usage")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5a3ef03afe7e12982dc3b978f4c5077c907f7501 ]
Call hci_dev_put() to decrement reference count of HCI device hdev if
fails to duplicate memory.
Fixes: 0b26ab9dce74 ("Bluetooth: AMP: Handle Accept phylink command status evt")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1ac8893c4fa3d4a34915dc5cdab568a39db5086c ]
The Samsung PMIC datasheets describe the interrupt line as active low
with a requirement of acknowledge from the CPU. The falling edge
interrupt will mostly work but it's not correct.
Fixes: 1fed2252713e ("ARM: dts: fix pinctrl for s2mps11-irq on exynos5420-arndale-octa")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20201210212903.216728-5-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 77e6a5467cb8657cf8b5e610a30a4c502085e4f9 ]
The Samsung PMIC datasheets describe the interrupt line as active low
with a requirement of acknowledge from the CPU. Without specifying the
interrupt type in Devicetree, kernel might apply some fixed
configuration, not necessarily working for this hardware.
Fixes: 53dd4138bb0a ("ARM: dts: Add exynos5250-spring device tree")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212903.216728-4-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a5687c644015a097304a2e47476c0ecab2065734 ]
Looks like this was missed when patching the source to clear the structures
throughout, causing this one instance to clear the struct after the response
id is assigned.
Fixes: eddb7732119d ("Bluetooth: A2MP: Fix not initializing all members")
Signed-off-by: Christopher William Snowhill <chris@kode54.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8ac7c87acdcac156670f9920c8acbd84308ff4b1 upstream.
MIPS uses its own declaration of rwdata, and thus it should be kept
in sync with the asm-generic one. Currently PAGE_ALIGNED_DATA() is
missing from the linker script, which emits the following ld
warnings:
mips-alpine-linux-musl-ld: warning: orphan section
`.data..page_aligned' from `arch/mips/kernel/vdso.o' being placed
in section `.data..page_aligned'
mips-alpine-linux-musl-ld: warning: orphan section
`.data..page_aligned' from `arch/mips/vdso/vdso-image.o' being placed
in section `.data..page_aligned'
Add the necessary declaration, so the mentioned structures will be
placed in vmlinux as intended:
ffffffff80630580 D __end_once
ffffffff80630580 D __start___dyndbg
ffffffff80630580 D __start_once
ffffffff80630580 D __stop___dyndbg
ffffffff80634000 d mips_vdso_data
ffffffff80638000 d vdso_data
ffffffff80638580 D _gp
ffffffff8063c000 T __init_begin
ffffffff8063c000 D _edata
ffffffff8063c000 T _sinittext
->
ffffffff805a4000 D __end_init_task
ffffffff805a4000 D __nosave_begin
ffffffff805a4000 D __nosave_end
ffffffff805a4000 d mips_vdso_data
ffffffff805a8000 d vdso_data
ffffffff805ac000 D mmlist_lock
ffffffff805ac080 D tasklist_lock
Fixes: ebb5e78cc634 ("MIPS: Initial implementation of a VDSO")
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: stable@vger.kernel.org # 4.4+
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 93f7a6d818deef69d0ba652d46bae6fbabbf365c upstream.
Currently kdb uses in_interrupt() to determine whether its library
code has been called from the kgdb trap handler or from a saner calling
context such as driver init. This approach is broken because
in_interrupt() alone isn't able to determine kgdb trap handler entry from
normal task context. This can happen during normal use of basic features
such as breakpoints and can also be trivially reproduced using:
echo g > /proc/sysrq-trigger
We can improve this by adding check for in_dbg_master() instead which
explicitly determines if we are running in debugger context.
Cc: stable@vger.kernel.org
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/1611313556-4004-1-git-send-email-sumit.garg@linaro.org
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 93ca696376dd3d44b9e5eae835ffbc84772023ec ]
The kernel test robot reported the following issue:
CC [M] drivers/soc/litex/litex_soc_ctrl.o
sh4-linux-objcopy: Unable to change endianness of input file(s)
sh4-linux-ld: cannot find drivers/soc/litex/.tmp_gl_litex_soc_ctrl.o: No such file or directory
sh4-linux-objcopy: 'drivers/soc/litex/.tmp_mx_litex_soc_ctrl.o': No such file
The problem is that the format of input file is elf32-shbig-linux, but
sh4-linux-objcopy wants to output a file which format is elf32-sh-linux:
$ sh4-linux-objdump -d drivers/soc/litex/litex_soc_ctrl.o | grep format
drivers/soc/litex/litex_soc_ctrl.o: file format elf32-shbig-linux
Link: https://lkml.kernel.org/r/20210210150435.2171567-1-rong.a.chen@intel.com
Link: https://lore.kernel.org/linux-mm/202101261118.GbbYSlHu-lkp@intel.com
Signed-off-by: Rong Chen <rong.a.chen@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Cc: Rich Felker <dalias@libc.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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commit 2643e6e90210e16c978919617170089b7c2164f7 upstream.
TSAUXC.DisableSystime is never set, so SYSTIM runs into a SYS WRAP
every 1100 secs on 80580/i350/i354 (40 bit SYSTIM) and every 35000
secs on 80576 (45 bit SYSTIM).
This wrap event sets the TSICR.SysWrap bit unconditionally.
However, checking TSIM at interrupt time shows that this event does not
actually cause the interrupt. Rather, it's just bycatch while the
actual interrupt is caused by, for instance, TSICR.TXTS.
The conclusion is that the SYS WRAP is actually expected, so the
"unexpected SYS WRAP" message is entirely bogus and just helps to
confuse users. Drop it.
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Punit Agrawal <punit1.agrawal@toshiba.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4dfe6bd94959222e18d512bdf15f6bf9edb9c27c upstream.
Mounting a corrupted filesystem with NTFS resulted in a kernel crash.
We should check for valid STANDARD_INFORMATION attribute offset and length
before trying to access it
Link: https://lkml.kernel.org/r/20210217155930.1506815-1-rkovhaev@gmail.com
Link: https://syzkaller.appspot.com/bug?extid=c584225dabdea2f71969
Signed-off-by: Rustam Kovhaev <rkovhaev@gmail.com>
Reported-by: syzbot+c584225dabdea2f71969@syzkaller.appspotmail.com
Tested-by: syzbot+c584225dabdea2f71969@syzkaller.appspotmail.com
Acked-by: Anton Altaparmakov <anton@tuxera.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4a658527271bce43afb1cf4feec89afe6716ca59 upstream.
When xenvif_connect() fails it may leave a stale NAPI instance added to
the device. Make sure we delete it in the error path.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: SeongJae Park <sjpark@amazon.com>
Tested-by: Markus Boehme <markubo@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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reliable
commit 1ebe718bb48278105816ba03a0408ecc2d6cf47f upstream.
Without this quirk starting a video capture from the device often fails with
kernel: uvcvideo: Failed to set UVC probe control : -110 (exp. 34).
Signed-off-by: Stefan Ursella <stefan.ursella@wolfvision.net>
Link: https://lore.kernel.org/r/20210210140713.18711-1-stefan.ursella@wolfvision.net
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ed9be64eefe26d7d8b0b5b9fa3ffdf425d87a01f upstream.
The HID subsystem allows an "HID report field" to have a different
number of "values" and "usages" when it is allocated. When a field
struct is created, the size of the usage array is guaranteed to be at
least as large as the values array, but it may be larger. This leads to
a potential out-of-bounds write in
__hidinput_change_resolution_multipliers() and an out-of-bounds read in
hidinput_count_leds().
To fix this, let's make sure that both the usage and value arrays are
the same size.
Cc: stable@vger.kernel.org
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://source.codeaurora.org/quic/la/kernel/msm-4.4 into lineage-18.1-caf-msm8998
* tag 'LA.UM.9.2.r1-02700-SDMxx0.0' of https://source.codeaurora.org/quic/la/kernel/msm-4.4:
msm: kgsl: Change start variable type to int in kgsl_iommu_add_global
net: ipv6: Use passed in table for nexthop lookups
audit: fix error handling in audit_data_to_entry()
Change-Id: Ib93d4d6be7d09f60590bbcbf3b5d43ecda678bbe
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Change-Id: I43e7e99b5517b7fc464d91373d88770e0a035cdd
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