From: Ian Abbott
commit 926234f1b8434c4409aa4c53637aa3362ca07cea upstream.
The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift a
From: Hugh Dickins
commit 8d22a9351035ef2ff12ef163a1091b8b8cf1e49c upstream.
It was hard to keep a test running, moving tasks between memcgs with
move_charge_at_immigrate, while swapping: mem_cgroup_id_get_many()'s
refcount is discovered to be 0 (supposedly impossible), so it is then
forced to R
From: Fangrui Song
commit ca9b31f6bb9c6aa9b4e5f0792f39a97bbffb8c51 upstream.
When CROSS_COMPILE is set (e.g. aarch64-linux-gnu-), if
$(CROSS_COMPILE)elfedit is found at /usr/bin/aarch64-linux-gnu-elfedit,
GCC_TOOLCHAIN_DIR will be set to /usr/bin/. --prefix= will be set to
/usr/bin/ and Clang a
From: Rustam Kovhaev
commit faaff9765664009c1c7c65551d32e9ed3b1dda8f upstream.
As syzkaller detected, wlan-ng driver does not do sanity check of
endpoints in prism2sta_probe_usb(), add check for xfer direction and type
Reported-and-tested-by: syzbot+c2a1fa67c02faa0de...@syzkaller.appspotmail.co
From: Tetsuo Handa
commit ce684552a266cb1c7cc2f7e623f38567adec6653 upstream.
syzbot is reporting general protection fault in do_con_write() [1] caused
by vc->vc_screenbuf == ZERO_SIZE_PTR caused by vc->vc_screenbuf_size == 0
caused by vc->vc_cols == vc->vc_rows == vc->vc_size_row == 0 caused by
From: Sergey Organov
[ Upstream commit 473309fb8372365ad211f425bca760af800e10a7 ]
>From Documentation/networking/timestamping.txt:
A driver which supports hardware time stamping shall update the
struct with the actual, possibly more permissive configuration.
Do update the struct passed whe
From: George Kennedy
[ Upstream commit c28d9a285668c799eeae2f7f93e929a6028a4d6d ]
If ax88172a_unbind() fails, make sure that the return code is
less than zero so that cleanup is done properly and avoid UAF.
Fixes: a9a51bd727d1 ("ax88172a: fix information leak on short answers")
Signed-off-by: G
From: Peilin Ye
[ Upstream commit 2f2a7ffad5c6cbf3d438e813cfdc88230e185ba6 ]
Checks on `addr_len` and `fsa->fsa_ax25.sax25_ndigis` are insufficient.
ax25_connect() can go out of bounds when `fsa->fsa_ax25.sax25_ndigis`
equals to 7 or 8. Fix it.
This issue has been reported as a KMSAN uninit-val
From: Pi-Hsun Shih
[ Upstream commit d178770d8d21489abf5bafefcbb6d5243b482e9a ]
Currently the basepath is removed only from the beginning of the string.
When the symbol is inlined and there's multiple line outputs of
addr2line, only the first line would have basepath removed.
Change to remove t
From: Hans de Goede
[ Upstream commit a5d81646fa294eed57786a9310b06ca48902adf8 ]
The Maxxter KB-BT-001 Bluetooth keyboard, which looks somewhat like the
Apple Wireless Keyboard, is using the vendor and product IDs (05AC:0239)
of the Apple Wireless Keyboard (2009 ANSI version) .
But its F1 - F10
From: Dinghao Liu
[ Upstream commit 5b78fac4b1ba731cf4177fdbc1e3a4661521bcd0 ]
pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.
Signed-off-by: Dinghao Liu
From: Dan Carpenter
[ Upstream commit 17ad73e941b71f3bec7523ea4e9cbc3752461c2d ]
We recently added some bounds checking in ax25_connect() and
ax25_sendmsg() and we so we removed the AX25_MAX_DIGIS checks because
they were no longer required.
Unfortunately, I believe they are required to prevent
From: Xie He
[ Upstream commit 8fdcabeac39824fe67480fd9508d80161c541854 ]
This driver is not working because of problems of its receiving code.
This patch fixes it to make it work.
When the driver receives an LAPB frame, it should first pass the frame
to the LAPB module to process. After proces
From: Arnaldo Carvalho de Melo
commit 6810158d526e483868e519befff407b91e76b3db upstream.
We were using a local buffer with an arbitrary size, that would have to
get increased to avoid truncation as warned by gcc 8:
util/annotate.c: In function 'symbol__disassemble':
util/annotate.c:1488:4:
From: Peng Fan
commit 74edd08a4fbf51d65fd8f4c7d8289cd0f392bd91 upstream.
When executing the following command, we met kernel dump.
dmesg -c > /dev/null; cd /sys;
for i in `ls /sys/kernel/debug/regmap/* -d`; do
echo "Checking regmap in $i";
cat $i/registers;
done && grep -ri "0x02
From: Miaohe Lin
[ Upstream commit b0a422772fec29811e293c7c0e6f991c0fd9241d ]
We can't use IS_UDPLITE to replace udp_sk->pcflag when UDPLITE_RECV_CC is
checked.
Fixes: b2bf1e2659b1 ("[UDP]: Clean up for IS_UDPLITE macro")
Signed-off-by: Miaohe Lin
Signed-off-by: David S. Miller
Signed-off-by:
From: Federico Ricchiuto
[ Upstream commit 43e666acb79f3d355dd89bf20f4d25d3b15da13e ]
The Mediacom FlexBook edge13 uses the SIPODEV SP1064 touchpad, which does not
supply descriptors, so it has to be added to the override list.
Signed-off-by: Federico Ricchiuto
Signed-off-by: Jiri Kosina
Sign
From: Wei Yongjun
[ Upstream commit 46ef5b89ec0ecf290d74c4aee844f063933c4da4 ]
KASAN report null-ptr-deref error when register_netdev() failed:
KASAN: null-ptr-deref in range [0x03c0-0x03c7]
CPU: 2 PID: 422 Comm: ip Not tainted 5.8.0-rc4+ #12
Call Trace:
ip6gre_init_net
From: Changbin Du
commit 0ada120c883d4f1f6aafd01cf0fbb10d8bbba015 upstream.
libbfd has changed the bfd_section_* macros to inline functions
bfd_section_ since 2019-09-18. See below two commits:
o http://www.sourceware.org/ml/gdb-cvs/2019-09/msg00064.html
o https://www.sourceware.org/ml/gdb-c
From: Jacky Hu
[ Upstream commit 69339d083dfb7786b0e0b3fc19eaddcf11fabdfb ]
uart0_pins is defined as:
static const unsigned uart0_pins[] = {135, 136, 137, 138, 139};
which npins is wronly specified as 9 later
{
.name = "uart0",
.pins = uart0_pins,
From: Sergey Organov
[ Upstream commit 473309fb8372365ad211f425bca760af800e10a7 ]
>From Documentation/networking/timestamping.txt:
A driver which supports hardware time stamping shall update the
struct with the actual, possibly more permissive configuration.
Do update the struct passed whe
From: Peilin Ye
[ Upstream commit 8885bb0621f01a6c82be60a91e5fc0f6e2f71186 ]
Checks on `addr_len` and `usax->sax25_ndigis` are insufficient.
ax25_sendmsg() can go out of bounds when `usax->sax25_ndigis` equals to 7
or 8. Fix it.
It is safe to remove `usax->sax25_ndigis > AX25_MAX_DIGIS`, since
From: Jiri Olsa
commit 2aeb1883547626d82c597cce2c99f0b9c62e2425 upstream.
We're missing ctx lock when iterating children siblings
within the perf_read path for group reading. Following
race and crash can happen:
User space doing read syscall on event group leader:
T1:
perf_read
lock even
From: Evgeny Novikov
[ Upstream commit c8f8529e2c4141afa2ebb487ad48e8a6ec3e8c99 ]
gr_ep_init() does not assign the allocated request anywhere if allocation
of memory for the buffer fails. This is a memory leak fixed by the given
patch.
Found by Linux Driver Verification project (linuxtesting.or
From: Wang Hai
[ Upstream commit bca9749b1aa23d964d3ab930938af66dbf887f15 ]
If try_toggle_control_gpio() failed in smc_drv_probe(), free_netdev(ndev)
should be called to free the ndev created earlier. Otherwise, a memleak
will occur.
Fixes: 7d2911c43815 ("net: smc91x: Fix gpios for device tree
From: Hans de Goede
commit 5cacc6f5764e94fa753b2c1f5f7f1f3f74286e82 upstream.
The RT5670_PWR_ANLG1 register has 3 bits to select the LDO voltage,
so the correct mask is 0x7 not 0x3.
Because of this wrong mask we were programming the ldo bits
to a setting of binary 001 (0x05 & 0x03) instead of b
From: Sebastian Andrzej Siewior
[ Upstream commit 68239654acafe6aad5a3c1dc7237e60accfebc03 ]
The sequence
fpu->initialized = 1; /* step A */
preempt_disable();/* step B */
fpu__restore(fpu);
preempt_enable();
in __fpu__restore_sig() is racy in regard to a context sw
From: Markus Theil
[ Upstream commit 0b467b63870d9c05c81456aa9bfee894ab2db3b6 ]
Without this patch, eapol frames cannot be received in mesh
mode, when 802.1X should be used. Initially only a MGTK is
defined, which is found and set as rx->key, when there are
no other keys set. ieee80211_drop_unen
From: Christophe JAILLET
[ Upstream commit 3195c4706b00106aa82c73acd28340fa8fc2bfc1 ]
The size used when calling 'pci_alloc_consistent()' and
'pci_free_consistent()' should match.
Fix it and have it consistent with the corresponding call in 'rr_close()'.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2"
From: George Kennedy
[ Upstream commit c28d9a285668c799eeae2f7f93e929a6028a4d6d ]
If ax88172a_unbind() fails, make sure that the return code is
less than zero so that cleanup is done properly and avoid UAF.
Fixes: a9a51bd727d1 ("ax88172a: fix information leak on short answers")
Signed-off-by: G
From: Filipe Manana
commit 580c079b5766ac706f56eec5c79aee4bf929fef6 upstream.
At btrfs_find_all_roots_safe() we allocate a ulist and set the **roots
argument to point to it. However if later we fail due to an error returned
by find_parent_nodes(), we free that ulist but leave a dangling pointer
From: Will Deacon
[ Upstream commit 5afc78551bf5d53279036e0bf63314e35631d79f ]
Rather than open-code test_tsk_thread_flag() at each callsite, simply
replace the couple of offenders with calls to test_tsk_thread_flag()
directly.
Signed-off-by: Will Deacon
Signed-off-by: Sasha Levin
---
arch/a
From: David Howells
[ Upstream commit 639f181f0ee20d3249dbc55f740f0167267180f0 ]
rxrpc_sendmsg() returns EPIPE if there's an outstanding error, such as if
rxrpc_recvmsg() indicating ENODATA if there's nothing for it to read.
Change rxrpc_recvmsg() to return EAGAIN instead if there's nothing to
From: Xie He
[ Upstream commit 8fdcabeac39824fe67480fd9508d80161c541854 ]
This driver is not working because of problems of its receiving code.
This patch fixes it to make it work.
When the driver receives an LAPB frame, it should first pass the frame
to the LAPB module to process. After proces
From: Ian Abbott
commit f07804ec77d77f8a9dcf570a24154e17747bc82f upstream.
`ni6527_intr_insn_config()` processes `INSN_CONFIG` comedi instructions
for the "interrupt" subdevice. When `data[0]` is
`INSN_CONFIG_DIGITAL_TRIG` it is configuring the digital trigger. When
`data[2]` is `COMEDI_DIGITA
From: Jiri Olsa
commit 77f18153c080855e1c3fb520ca31a4e61530121d upstream.
[Add an additional sprintf replacement in tools/perf/builtin-script.c]
With gcc 8 we get new set of snprintf() warnings that breaks the
compilation, one example:
tests/mem.c: In function ‘check’:
tests/mem.c:19:48: e
From: Max Filippov
[ Upstream commit 73f9941306d5ce030f3ffc7db425c7b2a798cf8e ]
Building xtensa kernel with gcc-10 produces the following warnings:
arch/xtensa/kernel/xtensa_ksyms.c:90:15: warning: conflicting types
for built-in function ‘__sync_fetch_and_and_4’;
expected ‘unsigned int
From: Fangrui Song
commit ca9b31f6bb9c6aa9b4e5f0792f39a97bbffb8c51 upstream.
When CROSS_COMPILE is set (e.g. aarch64-linux-gnu-), if
$(CROSS_COMPILE)elfedit is found at /usr/bin/aarch64-linux-gnu-elfedit,
GCC_TOOLCHAIN_DIR will be set to /usr/bin/. --prefix= will be set to
/usr/bin/ and Clang a
From: Max Filippov
[ Upstream commit 0d5ab144429e8bd80889b856a44d56ab4a5cd59b ]
Increment *pos in the cpuinfo_op.next to fix the following warning
triggered by cat /proc/cpuinfo:
seq_file: buggy .next function c_next did not update position index
Signed-off-by: Max Filippov
Signed-off-by: S
From: Peng Fan
commit 74edd08a4fbf51d65fd8f4c7d8289cd0f392bd91 upstream.
When executing the following command, we met kernel dump.
dmesg -c > /dev/null; cd /sys;
for i in `ls /sys/kernel/debug/regmap/* -d`; do
echo "Checking regmap in $i";
cat $i/registers;
done && grep -ri "0x02
From: Wei Yongjun
[ Upstream commit 46ef5b89ec0ecf290d74c4aee844f063933c4da4 ]
KASAN report null-ptr-deref error when register_netdev() failed:
KASAN: null-ptr-deref in range [0x03c0-0x03c7]
CPU: 2 PID: 422 Comm: ip Not tainted 5.8.0-rc4+ #12
Call Trace:
ip6gre_init_net
From: Peilin Ye
[ Upstream commit 2f2a7ffad5c6cbf3d438e813cfdc88230e185ba6 ]
Checks on `addr_len` and `fsa->fsa_ax25.sax25_ndigis` are insufficient.
ax25_connect() can go out of bounds when `fsa->fsa_ax25.sax25_ndigis`
equals to 7 or 8. Fix it.
This issue has been reported as a KMSAN uninit-val
From: John David Anglin
commit be6577af0cef934ccb036445314072e8cb9217b9 upstream.
Stalls are quite frequent with recent kernels. I enabled
CONFIG_SOFTLOCKUP_DETECTOR and I caught the following stall:
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [cc1:22803]
CPU: 0 PID: 22803 Comm: cc1 Not t
From: Dan Carpenter
[ Upstream commit 17ad73e941b71f3bec7523ea4e9cbc3752461c2d ]
We recently added some bounds checking in ax25_connect() and
ax25_sendmsg() and we so we removed the AX25_MAX_DIGIS checks because
they were no longer required.
Unfortunately, I believe they are required to prevent
From: Xiongfeng Wang
[ Upstream commit 9bb5fbea59f36a589ef886292549ca4052fe676c ]
When I cat 'tx_timeout' by sysfs, it displays as follows. It's better to
add a newline for easy reading.
root@syzkaller:~# cat /sys/devices/virtual/net/lo/queues/tx-0/tx_timeout
0root@syzkaller:~#
Signed-off-by:
From: Miaohe Lin
[ Upstream commit b0a422772fec29811e293c7c0e6f991c0fd9241d ]
We can't use IS_UDPLITE to replace udp_sk->pcflag when UDPLITE_RECV_CC is
checked.
Fixes: b2bf1e2659b1 ("[UDP]: Clean up for IS_UDPLITE macro")
Signed-off-by: Miaohe Lin
Signed-off-by: David S. Miller
Signed-off-by:
From: Peilin Ye
[ Upstream commit 8885bb0621f01a6c82be60a91e5fc0f6e2f71186 ]
Checks on `addr_len` and `usax->sax25_ndigis` are insufficient.
ax25_sendmsg() can go out of bounds when `usax->sax25_ndigis` equals to 7
or 8. Fix it.
It is safe to remove `usax->sax25_ndigis > AX25_MAX_DIGIS`, since
On Thu, Jul 30, 2020 at 03:59:22PM +0800, Sheng Long Wang wrote:
> From: Wang Sheng Long
>
> When data is transmitted between two serial ports,
> the phenomenon of data loss often occurs. The two kinds
> of flow control commonly used in serial communication
> are hardware flow control and softwar
From: Serge Semin
commit 551e553f0d4ab623e2a6f424ab5834f9c7b5229c upstream.
Commit 7b668c064ec3 ("serial: 8250: Fix max baud limit in generic 8250
port") fixed limits of a baud rate setting for a generic 8250 port.
In other words since that commit the baud rate has been permitted to be
within [u
From: Masami Hiramatsu
commit 80526491c2ca6abc028c0f0dbb0707a1f35fb18a upstream.
Fix to check kprobe blacklist address correctly with relocated address
by adjusting debuginfo address.
Since the address in the debuginfo is same as objdump, it is different
from relocated kernel address with KASLR
From: Arnaldo Carvalho de Melo
commit 6810158d526e483868e519befff407b91e76b3db upstream.
We were using a local buffer with an arbitrary size, that would have to
get increased to avoid truncation as warned by gcc 8:
util/annotate.c: In function 'symbol__disassemble':
util/annotate.c:1488:4:
From: Leon Romanovsky
Very straightforward cleanup.
Thanks
Leon Romanovsky (3):
RDMA/mlx5: Simplify multiple else-if cases with switch keyword
RDMA/mlx5: Replace open-coded offsetofend() macro
RDMA: Remove constant domain argument from flow creation call
drivers/infiniband/core/uverbs_c
From: Eric Sandeen
commit 2c4306f719b083d17df2963bc761777576b8ad1b upstream.
If xfs_bmap_extents_to_btree fails in a mode where we call
xfs_iroot_realloc(-1) to de-allocate the root, set the
format back to extents.
Otherwise we can assume we can dereference ifp->if_broot
based on the XFS_DINODE
From: Mark O'Donovan
commit 92f53e2fda8bb9a559ad61d57bfb397ce67ed0ab upstream.
This fix allows ath9k_htc modules to connect to WLAN once again.
Fixes: 2bbcaaee1fcb ("ath9k: Fix general protection fault in
ath9k_hif_usb_rx_cb")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=208251
Signed-off
From: Xie He
[ Upstream commit 9dc829a135fb5927f1519de11286e2bbb79f5b66 ]
When this driver transmits data,
first this driver will remove a pseudo header of 1 byte,
then the lapb module will prepend the LAPB header of 2 or 3 bytes,
then this driver will prepend a length field of 2 bytes,
From: Sergey Senozhatsky
commit dfbc3c6cb747c074aa2ba0a10bbeea588d6dfda6 upstream.
[ Change applied file from tools/lib/subcmd/pager.c to
tools/perf/util/pager.c ]
Use a separate fd set for select()-s exception fds param to fix the
following gcc warning:
pager.c:36:12: error: passing argum
From: Ben Skeggs
[ Upstream commit 0156e76d388310a490aeb0f2fbb5b284ded3aecc ]
Tegra TRM says worst-case reply time is 1216us, and this should fix some
spurious timeouts that have been popping up.
Signed-off-by: Ben Skeggs
Signed-off-by: Sasha Levin
---
drivers/gpu/drm/nouveau/nvkm/subdev/i2c
From: Tom Rix
[ Upstream commit 28b18e4eb515af7c6661c3995c6e3c34412c2874 ]
clang static analysis flags this garbage return
drivers/net/ethernet/marvell/sky2.c:208:2: warning: Undefined or garbage value
returned to caller [core.uninitialized.UndefReturn]
return v;
^~~~
stat
From: Olga Kornievskaia
commit 65caafd0d2145d1dd02072c4ced540624daeab40 upstream.
Reverting commit d03727b248d0 "NFSv4 fix CLOSE not waiting for
direct IO compeletion". This patch made it so that fput() by calling
inode_dio_done() in nfs_file_release() would wait uninterruptably
for any outstand
This is the start of the stable review cycle for the 4.4.232 release.
There are 54 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Sat, 01 Aug 2020 07:44:05 +.
Anything rec
From: Arnd Bergmann
[ Upstream commit 81e96851ea32deb2c921c870eecabf335f598aeb ]
The clang integrated assembler requires the 'cmp' instruction to
have a length prefix here:
arch/x86/math-emu/wm_sqrt.S:212:2: error: ambiguous instructions require an
explicit suffix (could be 'cmpb', 'cmpw', or
Hi Suzuki,
On Wed, Jul 29, 2020 at 10:12:50AM +0100, Suzuki Kuruppassery Poulose wrote:
> On 07/24/2020 10:16 AM, Wei Li wrote:
> > Armv8.3 extends the SPE by adding:
> > - Alignment field in the Events packet, and filtering on this event
> >using PMSEVFR_EL1.
> > - Support for the Scalable Ve
From: Yang Yingliang
commit f4c23a140d80ef5e6d3d1f8f57007649014b60fa upstream.
I got null-ptr-deref in serial8250_start_tx():
[ 78.114630] Unable to handle kernel NULL pointer dereference at virtual
address
[ 78.123778] Mem abort info:
[ 78.126560] ESR = 0x8607
[
From: Hugh Dickins
commit 8d22a9351035ef2ff12ef163a1091b8b8cf1e49c upstream.
It was hard to keep a test running, moving tasks between memcgs with
move_charge_at_immigrate, while swapping: mem_cgroup_id_get_many()'s
refcount is discovered to be 0 (supposedly impossible), so it is then
forced to R
From: Yuchung Cheng
[ Upstream commit 76be93fc0702322179bb0ea87295d820ee46ad14 ]
Previously TLP may send multiple probes of new data in one
flight. This happens when the sender is cwnd limited. After the
initial TLP containing new data is sent, the sender receives another
ACK that acks partial i
From: Changbin Du
commit 0ada120c883d4f1f6aafd01cf0fbb10d8bbba015 upstream.
libbfd has changed the bfd_section_* macros to inline functions
bfd_section_ since 2019-09-18. See below two commits:
o http://www.sourceware.org/ml/gdb-cvs/2019-09/msg00064.html
o https://www.sourceware.org/ml/gdb-c
From: Qiujun Huang
commit 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 upstream.
In ath9k_hif_usb_rx_cb interface number is assumed to be 0.
usb_ifnum_to_if(urb->dev, 0)
But it isn't always true.
The case reported by syzbot:
https://lore.kernel.org/linux-usb/666c9c05a1c05...@google.com
From: Steve French
commit 0e6705182d4e1b77248a93470d6d7b3013d59b30 upstream.
This reverts commit 9ffad9263b467efd8f8dc7ae1941a0a655a2bab2.
Upon additional testing with older servers, it was found that
the original commit introduced a regression when using the old SMB1
dialect and rsyncing over
From: Tom Rix
[ Upstream commit 5aee52c44d9170591df65fafa1cd408acc1225ce ]
clang static analysis flags several null function pointer problems.
drivers/scsi/scsi_transport_spi.c:374:1: warning: Called function pointer is
null (null dereference) [core.CallAndMessage]
spi_transport_max_attr(offse
From: Ian Abbott
commit 0bd0db42a030b75c20028c7ba6e327b9cb554116 upstream.
The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift a
On Thu, Jul 30, 2020 at 10:07 AM Bartosz Golaszewski wrote:
>
> On Tue, Jul 28, 2020 at 3:58 PM Arnd Bergmann wrote:
> >
> > On Tue, Jul 28, 2020 at 3:06 PM Dan Carpenter
> > wrote:
> > Something like
> >
> > static int lineevent_put_data(void __user *uptr, struct gpioevent_data *ge)
> > {
> >
From: Ian Abbott
commit 926234f1b8434c4409aa4c53637aa3362ca07cea upstream.
The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift a
From: Ian Abbott
commit fc846e9db67c7e808d77bf9e2ef3d49e3820ce5d upstream.
The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift a
From: Marc Kleine-Budde
[ Upstream commit e84861fec32dee8a2e62bbaa52cded6b05a2a456 ]
This function is used by dev_get_regmap() to retrieve a regmap for the
specified device. If the device has more than one regmap, the name parameter
can be used to specify one.
The code here uses a pointer compa
From: Wang Sheng Long
When data is transmitted between two serial ports,
the phenomenon of data loss often occurs. The two kinds
of flow control commonly used in serial communication
are hardware flow control and software flow control.
In serial communication, If you only use RX/TX/GND Pins, you
From: Rustam Kovhaev
commit faaff9765664009c1c7c65551d32e9ed3b1dda8f upstream.
As syzkaller detected, wlan-ng driver does not do sanity check of
endpoints in prism2sta_probe_usb(), add check for xfer direction and type
Reported-and-tested-by: syzbot+c2a1fa67c02faa0de...@syzkaller.appspotmail.co
From: Xiongfeng Wang
[ Upstream commit 9bb5fbea59f36a589ef886292549ca4052fe676c ]
When I cat 'tx_timeout' by sysfs, it displays as follows. It's better to
add a newline for easy reading.
root@syzkaller:~# cat /sys/devices/virtual/net/lo/queues/tx-0/tx_timeout
0root@syzkaller:~#
Signed-off-by:
From: Subash Abhinov Kasiviswanathan
[ Upstream commit 7df5cb75cfb8acf96c7f2342530eb41e0c11f4c3 ]
IRQs are disabled when freeing skbs in input queue.
Use the IRQ safe variant to free skbs here.
Fixes: 145dd5f9c88f ("net: flush the softnet backlog in process context")
Signed-off-by: Subash Abhin
From: Yuchung Cheng
[ Upstream commit 76be93fc0702322179bb0ea87295d820ee46ad14 ]
Previously TLP may send multiple probes of new data in one
flight. This happens when the sender is cwnd limited. After the
initial TLP containing new data is sent, the sender receives another
ACK that acks partial i
From: Pi-Hsun Shih
[ Upstream commit d178770d8d21489abf5bafefcbb6d5243b482e9a ]
Currently the basepath is removed only from the beginning of the string.
When the symbol is inlined and there's multiple line outputs of
addr2line, only the first line would have basepath removed.
Change to remove t
> On Wed, Jul 29, 2020 at 3:22 PM Denis Efremov wrote:
> And checked for leaks on x86_64 with the script test.sh
> $ cat test.sh
> #!/bin/bash
>
> for i in 4.8 5 6 7 8 9 10
> do
> ./run_container.sh gcc-$i $(pwd)/src $(pwd)/out bash -c 'gcc test.c; ./a.out'
> ./run_container.sh gcc-$i $(pwd)/src
From: Wang Hai
[ Upstream commit bca9749b1aa23d964d3ab930938af66dbf887f15 ]
If try_toggle_control_gpio() failed in smc_drv_probe(), free_netdev(ndev)
should be called to free the ndev created earlier. Otherwise, a memleak
will occur.
Fixes: 7d2911c43815 ("net: smc91x: Fix gpios for device tree
From: Eric Sandeen
commit 2c4306f719b083d17df2963bc761777576b8ad1b upstream.
If xfs_bmap_extents_to_btree fails in a mode where we call
xfs_iroot_realloc(-1) to de-allocate the root, set the
format back to extents.
Otherwise we can assume we can dereference ifp->if_broot
based on the XFS_DINODE
From: David Howells
[ Upstream commit 639f181f0ee20d3249dbc55f740f0167267180f0 ]
rxrpc_sendmsg() returns EPIPE if there's an outstanding error, such as if
rxrpc_recvmsg() indicating ENODATA if there's nothing for it to read.
Change rxrpc_recvmsg() to return EAGAIN instead if there's nothing to
From: Boris Burkov
[ Upstream commit 48cfa61b58a1fee0bc49eef04f8ccf31493b7cdd ]
It is possible to cause a btrfs mount to fail by racing it with a slow
umount. The crux of the sequence is generic_shutdown_super not yet
calling sop->put_super before btrfs_mount_root calls btrfs_open_devices.
If th
From: Takashi Iwai
commit 60379ba08532eca861e933b389526a4dc89e0c42 upstream.
snd_info_get_line() has a sanity check of NULL buffer -- both buffer
itself being NULL and buffer->buffer being NULL. Basically both
checks are valid and necessary, but the problem is that it's with
snd_BUG_ON() macro
From: Masami Hiramatsu
commit 80526491c2ca6abc028c0f0dbb0707a1f35fb18a upstream.
Fix to check kprobe blacklist address correctly with relocated address
by adjusting debuginfo address.
Since the address in the debuginfo is same as objdump, it is different
from relocated kernel address with KASLR
From: Jiri Olsa
commit 77f18153c080855e1c3fb520ca31a4e61530121d upstream.
[Add an additional sprintf replacement in tools/perf/builtin-script.c]
With gcc 8 we get new set of snprintf() warnings that breaks the
compilation, one example:
tests/mem.c: In function ‘check’:
tests/mem.c:19:48: e
From: Oleg Nesterov
commit fe5ed7ab99c656bd2f5b79b49df0e9ebf2cead8a upstream.
If a tracee is uprobed and it hits int3 inserted by debugger, handle_swbp()
does send_sig(SIGTRAP, current, 0) which means si_code == SI_USER. This used
to work when this code was written, but then GDB started to valid
From: Boris Burkov
[ Upstream commit 48cfa61b58a1fee0bc49eef04f8ccf31493b7cdd ]
It is possible to cause a btrfs mount to fail by racing it with a slow
umount. The crux of the sequence is generic_shutdown_super not yet
calling sop->put_super before btrfs_mount_root calls btrfs_open_devices.
If th
From: Yang Yingliang
commit f4c23a140d80ef5e6d3d1f8f57007649014b60fa upstream.
I got null-ptr-deref in serial8250_start_tx():
[ 78.114630] Unable to handle kernel NULL pointer dereference at virtual
address
[ 78.123778] Mem abort info:
[ 78.126560] ESR = 0x8607
[
From: Serge Semin
commit 551e553f0d4ab623e2a6f424ab5834f9c7b5229c upstream.
Commit 7b668c064ec3 ("serial: 8250: Fix max baud limit in generic 8250
port") fixed limits of a baud rate setting for a generic 8250 port.
In other words since that commit the baud rate has been permitted to be
within [u
From: Ian Abbott
commit fc846e9db67c7e808d77bf9e2ef3d49e3820ce5d upstream.
The `INSN_CONFIG` comedi instruction with sub-instruction code
`INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is
used as a right shift amount for other bitmask values without being
checked. Shift a
From: Arnd Bergmann
[ Upstream commit 81e96851ea32deb2c921c870eecabf335f598aeb ]
The clang integrated assembler requires the 'cmp' instruction to
have a length prefix here:
arch/x86/math-emu/wm_sqrt.S:212:2: error: ambiguous instructions require an
explicit suffix (could be 'cmpb', 'cmpw', or
From: John David Anglin
commit be6577af0cef934ccb036445314072e8cb9217b9 upstream.
Stalls are quite frequent with recent kernels. I enabled
CONFIG_SOFTLOCKUP_DETECTOR and I caught the following stall:
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [cc1:22803]
CPU: 0 PID: 22803 Comm: cc1 Not t
From: Qiujun Huang
commit 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 upstream.
In ath9k_hif_usb_rx_cb interface number is assumed to be 0.
usb_ifnum_to_if(urb->dev, 0)
But it isn't always true.
The case reported by syzbot:
https://lore.kernel.org/linux-usb/666c9c05a1c05...@google.com
From: Michael J. Ruhl
commit e0b3e0b1a04367fc15c07f44e78361545b55357c upstream.
The !ATOMIC_IOMAP version of io_maping_init_wc will always return
success, even when the ioremap fails.
Since the ATOMIC_IOMAP version returns NULL when the init fails, and
callers check for a NULL return on error t
From: Vasundhara Volam
[ Upstream commit 163e9ef63641a02de4c95cd921577265c52e1ce2 ]
The driver was modified to not rely on rtnl lock to protect link
settings about 2 years ago. The pause setting was missed when
making that change. Fix it by acquiring link_lock mutex before
calling bnxt_hwrm_se
From: Ian Abbott
commit f07804ec77d77f8a9dcf570a24154e17747bc82f upstream.
`ni6527_intr_insn_config()` processes `INSN_CONFIG` comedi instructions
for the "interrupt" subdevice. When `data[0]` is
`INSN_CONFIG_DIGITAL_TRIG` it is configuring the digital trigger. When
`data[2]` is `COMEDI_DIGITA
From: Will Deacon
[ Upstream commit 5afc78551bf5d53279036e0bf63314e35631d79f ]
Rather than open-code test_tsk_thread_flag() at each callsite, simply
replace the couple of offenders with calls to test_tsk_thread_flag()
directly.
Signed-off-by: Will Deacon
Signed-off-by: Sasha Levin
---
arch/a
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