| Commit message (Collapse) | Author | Age |
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[ Upstream commit 4cce60f15c04d69eff6ffc539ab09137dbe15070 ]
Both arch/nios2/ and drivers/mmc/host/tmio_mmc.c define a macro
with the name "CTL_STATUS". Change the one in arch/nios2/ to be
"CTL_FSTATUS" (flags status) to eliminate the build warning.
In file included from ../drivers/mmc/host/tmio_mmc.c:22:
drivers/mmc/host/tmio_mmc.h:31: warning: "CTL_STATUS" redefined
31 | #define CTL_STATUS 0x1c
arch/nios2/include/asm/registers.h:14: note: this is the location of the previous definition
14 | #define CTL_STATUS 0
Fixes: b31ebd8055ea ("nios2: Nios2 registers")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 174c376278949c44aad89c514a6b5db6cee8db59 ]
Because the data pointer of net/ipv4/vs/debug_level is not updated per
netns, it must be marked as read-only in non-init netns.
Fixes: c6d2d445d8de ("IPVS: netns, final patch enabling network name space.")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c20106944eb679fa3ab7e686fe5f6ba30fbc51e5 ]
If nfsd has existing listening sockets without any processes, then an error
returned from svc_create_xprt() for an additional transport will remove
those existing listeners. We're seeing this in practice when userspace
attempts to create rpcrdma transports without having the rpcrdma modules
present before creating nfsd kernel processes. Fix this by checking for
existing sockets before calling nfsd_destroy().
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 9973a43012b6ad1720dbc4d5faf5302c28635b8c upstream.
Fix the following build/link errors by adding a dependency on
CRYPTO, CRYPTO_HASH, CRYPTO_SHA256 and CRC32:
ld: drivers/net/usb/r8152.o: in function `rtl8152_fw_verify_checksum':
r8152.c:(.text+0x2b2a): undefined reference to `crypto_alloc_shash'
ld: r8152.c:(.text+0x2bed): undefined reference to `crypto_shash_digest'
ld: r8152.c:(.text+0x2c50): undefined reference to `crypto_destroy_tfm'
ld: drivers/net/usb/r8152.o: in function `_rtl8152_set_rx_mode':
r8152.c:(.text+0xdcb0): undefined reference to `crc32_le'
Fixes: 9370f2d05a2a1 ("r8152: support request_firmware for RTL8153")
Fixes: ac718b69301c7 ("net/usb: new driver for RTL8152")
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2133c4fc8e1348dcb752f267a143fe2254613b34 upstream.
The initialization of pointer dev dereferences pointer edp before
edp is null checked, so there is a potential null pointer deference
issue. Fix this by only dereferencing edp after edp has been null
checked.
Addresses-Coverity: ("Dereference before null check")
Fixes: ab5b0107ccf3 ("drm/msm: Initial add eDP support in msm drm driver (v5)")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210929121857.213922-1-colin.king@canonical.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 013923477cb311293df9079332cf8b806ed0e6f2 upstream.
The last byte of "pad" is used without being initialized.
Fixes: 55dba3120fbc ("libata: update ->data_xfer hook for ATAPI")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 291c932fc3692e4d211a445ba8aa35663831bac7 upstream.
'skb' is allocated in digital_in_send_sdd_req(), but not free when
digital_in_send_cmd() failed, which will cause memory leak. Fix it
by freeing 'skb' if digital_in_send_cmd() return failed.
Fixes: 2c66daecc409 ("NFC Digital: Add NFC-A technology support")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 58e7dcc9ca29c14e44267a4d0ea61e3229124907 upstream.
'params' is allocated in digital_tg_listen_mdaa(), but not free when
digital_send_cmd() failed, which will cause memory leak. Fix it by
freeing 'params' if digital_send_cmd() return failed.
Fixes: 1c7a4c24fbfd ("NFC Digital: Add target NFC-DEP support")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 0911ab31896f0e908540746414a77dd63912748d upstream.
When nfc proto id is using, nfc_proto_register() return -EBUSY error
code, but forgot to unregister proto. Fix it by adding proto_unregister()
in the error handling case.
Fixes: c7fe3b52c128 ("NFC: add NFC socket family")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20211013034932.2833737-1-william.xuanziyang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 40507e7aada8422c38aafa0c8a1a09e4623c712a upstream.
After recent cleanups, gcc started warning about a suspicious
memcpy() call during the s2io_io_resume() function:
In function '__dev_addr_set',
inlined from 'eth_hw_addr_set' at include/linux/etherdevice.h:318:2,
inlined from 's2io_set_mac_addr' at drivers/net/ethernet/neterion/s2io.c:5205:2,
inlined from 's2io_io_resume' at drivers/net/ethernet/neterion/s2io.c:8569:7:
arch/x86/include/asm/string_32.h:182:25: error: '__builtin_memcpy' accessing 6 bytes at offsets 0 and 2 overlaps 4 bytes at offset 2 [-Werror=restrict]
182 | #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/netdevice.h:4648:9: note: in expansion of macro 'memcpy'
4648 | memcpy(dev->dev_addr, addr, len);
| ^~~~~~
What apparently happened is that an old cleanup changed the calling
conventions for s2io_set_mac_addr() from taking an ethernet address
as a character array to taking a struct sockaddr, but one of the
callers was not changed at the same time.
Change it to instead call the low-level do_s2io_prog_unicast() function
that still takes the old argument type.
Fixes: 2fd376884558 ("S2io: Added support set_mac_address driver entry point")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211013143613.2049096-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f03dca0c9e2297c84a018e306f8a9cd534ee4287 upstream.
devm_regmap_init may return error which caused by like out of memory,
this will results in null pointer dereference later when reading
or writing register:
general protection fault in encx24j600_spi_probe
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540
Code: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00
RSP: 0018:ffffc900010476b8 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000
RDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094
RBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a
R10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001
R13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08
FS: 00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459
spi_probe drivers/spi/spi.c:397
really_probe drivers/base/dd.c:517
__driver_probe_device drivers/base/dd.c:751
driver_probe_device drivers/base/dd.c:782
__device_attach_driver drivers/base/dd.c:899
bus_for_each_drv drivers/base/bus.c:427
__device_attach drivers/base/dd.c:971
bus_probe_device drivers/base/bus.c:487
device_add drivers/base/core.c:3364
__spi_add_device drivers/spi/spi.c:599
spi_add_device drivers/spi/spi.c:641
spi_new_device drivers/spi/spi.c:717
new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e]
dev_attr_store drivers/base/core.c:2074
sysfs_kf_write fs/sysfs/file.c:139
kernfs_fop_write_iter fs/kernfs/file.c:300
new_sync_write fs/read_write.c:508 (discriminator 4)
vfs_write fs/read_write.c:594
ksys_write fs/read_write.c:648
do_syscall_64 arch/x86/entry/common.c:50
entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113
Add error check in devm_regmap_init_encx24j600 to avoid this situation.
Fixes: 04fbfce7a222 ("net: Microchip encx24j600 driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Nanyong Sun <sunnanyong@huawei.com>
Link: https://lore.kernel.org/r/20211012125901.3623144-1-sunnanyong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 427f974d9727ca681085ddcd0530c97ab5811ae0 upstream.
Fix the following build/link error by adding a dependency on the CRC32
routines:
ld: drivers/net/ethernet/korina.o: in function `korina_multicast_list':
korina.c:(.text+0x1af): undefined reference to `crc32_le'
Fixes: ef11291bcd5f9 ("Add support the Korina (IDT RC32434) Ethernet MAC")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Acked-by: Florian fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211012152509.21771-1-vegard.nossum@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e599ee234ad4fdfe241d937bbabd96e0d8f9d868 upstream.
Fix the following build/link error by adding a dependency on the CRC32
routines:
ld: drivers/net/ethernet/arc/emac_main.o: in function `arc_emac_set_rx_mode':
emac_main.c:(.text+0xb11): undefined reference to `crc32_le'
The crc32_le() call comes through the ether_crc_le() call in
arc_emac_set_rx_mode().
[v2: moved the select to ARC_EMAC_CORE; the Makefile is a bit confusing,
but the error comes from emac_main.o, which is part of the arc_emac module,
which in turn is enabled by CONFIG_ARC_EMAC_CORE. Note that arc_emac is
different from emac_arc...]
Fixes: 775dd682e2b0ec ("arc_emac: implement promiscuous mode and multicast filtering")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Link: https://lore.kernel.org/r/20211012093446.1575-1-vegard.nossum@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4170d3dd1467e9d78cb9af374b19357dc324b328 upstream.
The ssp_print_mcu_debug() function should return negative error codes on
error. Returning "length" is meaningless. This change does not affect
runtime because the callers only care about zero/non-zero.
Reported-by: Jonathan Cameron <jic23@kernel.org>
Fixes: 50dd64d57eee ("iio: common: ssp_sensors: Add sensorhub driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210914105333.GA11657@kili
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8167c9a375ccceed19048ad9d68cb2d02ed276e0 upstream.
The "idx" is validated at the start of the loop but it gets incremented
during the iteration so it needs to be checked again.
Fixes: 50dd64d57eee ("iio: common: ssp_sensors: Add sensorhub driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210909091336.GA26312@kili
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bbcf40816b547b3c37af49168950491d20d81ce1 upstream.
A successful 'regulator_enable()' call should be balanced by a
corresponding 'regulator_disable()' call in the error handling path of the
probe, as already done in the remove function.
Update the error handling path accordingly.
Fixes: 913b86468674 ("iio: adc: Add TI ADC128S052")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/85189f1cfcf6f5f7b42d8730966f2a074b07b5f5.1629542160.git.christophe.jaillet@wanadoo.fr
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5d388fa01fa6eb310ac023a363a6cb216d9d8fe9 upstream.
If a cell has 'nbits' equal to a multiple of BITS_PER_BYTE the logic
*p &= GENMASK((cell->nbits%BITS_PER_BYTE) - 1, 0);
will become undefined behavior because nbits modulo BITS_PER_BYTE is 0, and we
subtract one from that making a large number that is then shifted more than the
number of bits that fit into an unsigned long.
UBSAN reports this problem:
UBSAN: shift-out-of-bounds in drivers/nvmem/core.c:1386:8
shift exponent 64 is too large for 64-bit type 'unsigned long'
CPU: 6 PID: 7 Comm: kworker/u16:0 Not tainted 5.15.0-rc3+ #9
Hardware name: Google Lazor (rev3+) with KB Backlight (DT)
Workqueue: events_unbound deferred_probe_work_func
Call trace:
dump_backtrace+0x0/0x170
show_stack+0x24/0x30
dump_stack_lvl+0x64/0x7c
dump_stack+0x18/0x38
ubsan_epilogue+0x10/0x54
__ubsan_handle_shift_out_of_bounds+0x180/0x194
__nvmem_cell_read+0x1ec/0x21c
nvmem_cell_read+0x58/0x94
nvmem_cell_read_variable_common+0x4c/0xb0
nvmem_cell_read_variable_le_u32+0x40/0x100
a6xx_gpu_init+0x170/0x2f4
adreno_bind+0x174/0x284
component_bind_all+0xf0/0x264
msm_drm_bind+0x1d8/0x7a0
try_to_bring_up_master+0x164/0x1ac
__component_add+0xbc/0x13c
component_add+0x20/0x2c
dp_display_probe+0x340/0x384
platform_probe+0xc0/0x100
really_probe+0x110/0x304
__driver_probe_device+0xb8/0x120
driver_probe_device+0x4c/0xfc
__device_attach_driver+0xb0/0x128
bus_for_each_drv+0x90/0xdc
__device_attach+0xc8/0x174
device_initial_probe+0x20/0x2c
bus_probe_device+0x40/0xa4
deferred_probe_work_func+0x7c/0xb8
process_one_work+0x128/0x21c
process_scheduled_works+0x40/0x54
worker_thread+0x1ec/0x2a8
kthread+0x138/0x158
ret_from_fork+0x10/0x20
Fix it by making sure there are any bits to mask out.
Fixes: 69aba7948cbe ("nvmem: Add a simple NVMEM framework for consumers")
Cc: Douglas Anderson <dianders@chromium.org>
Cc: stable@vger.kernel.org
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211013124511.18726-1-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f5a8a07edafed8bede17a95ef8940fe3a57a77d5 upstream.
Add the following Telit LE910Cx composition:
0x1204: tty, adb, mbim, tty, tty, tty, tty
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Link: https://lore.kernel.org/r/20211004105655.8515-1-dnlplm@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 11c52d250b34a0862edc29db03fbec23b30db6da upstream.
When the module boots into QDL download mode it exposes the 1199:90d2
ids, which can be mapped to the qcserial driver, and used to run
firmware upgrades (e.g. with the qmi-firmware-update program).
T: Bus=01 Lev=03 Prnt=08 Port=03 Cnt=01 Dev#= 10 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1199 ProdID=90d2 Rev=00.00
S: Manufacturer=Sierra Wireless, Incorporated
S: Product=Sierra Wireless EM9191
S: SerialNumber=8W0382004102A109
C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=2mA
I: If#=0x0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=10 Driver=qcserial
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3378a07daa6cdd11e042797454c706d1c69f9ca6 upstream.
The Nacon GX100XF is already mapped, but it seems there is a Nacon
GC-100 (identified as NC5136Wht PCGC-100WHITE though I believe other
colours exist) with a different USB ID when in XInput mode.
Signed-off-by: Michael Cullen <michael@michaelcullen.name>
Link: https://lore.kernel.org/r/20211015192051.5196-1-michael@michaelcullen.name
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b3a72ca80351917cc23f9e24c35f3c3979d3c121 upstream.
Joe reports that using a statically allocated buffer for converting CPER
error records into human readable text is probably a bad idea. Even
though we are not aware of any actual issues, a stack buffer is clearly
a better choice here anyway, so let's move the buffer into the stack
frames of the two functions that refer to it.
Cc: <stable@vger.kernel.org>
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 42641042c10c757fe10cc09088cf3f436cec5007 upstream.
clang-14 complains about an unusual way of converting a pointer to
an integer:
drivers/misc/cb710/sgbuf2.c:50:15: error: performing pointer subtraction with a null pointer has undefined behavior [-Werror,-Wnull-pointer-subtraction]
return ((ptr - NULL) & 3) != 0;
Replace this with a normal cast to uintptr_t.
Fixes: 5f5bac8272be ("mmc: Driver for CB710/720 memory card reader (MMC part)")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210927121408.939246-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ea0f69d8211963c4b2cc1998b86779a500adb502 upstream.
Tested on SD5200T TB3 dock which has Fresco Logic FL1100 USB 3.0 Host
Controller.
Before this patch streaming video from USB cam made mouse and keyboard
connected to the same USB bus unusable. Also video was jerky.
With this patch streaming video doesn't have any effect on other
periferals and video is smooth.
Cc: stable@vger.kernel.org
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8e0ab8e26b72a80e991c66a8abc16e6c856abe3d upstream.
Fix two problems found in the strrchr() implementation for s390
architectures: evaluate empty strings (return the string address instead of
NULL, if '\0' is passed as second argument); evaluate the first character
of non-empty strings (the current implementation stops at the second).
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Reported-by: Heiko Carstens <hca@linux.ibm.com> (incorrect behavior with empty strings)
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Link: https://lore.kernel.org/r/20211005120836.60630-1-roberto.sassu@huawei.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1f8763c59c4ec6254d629fe77c0a52220bd907aa upstream.
John Keeping reported and posted a patch for a potential UAF in
rawmidi sequencer destruction: the snd_rawmidi_dev_seq_free() may be
called after the associated rawmidi object got already freed.
After a deeper look, it turned out that the bug is rather the
incorrect private_free call order for a snd_seq_device. The
snd_seq_device private_free gets called at the release callback of the
sequencer device object, while this was rather expected to be executed
at the snd_device call chains that runs at the beginning of the whole
card-free procedure. It's been broken since the rewrite of
sequencer-device binding (although it hasn't surfaced because the
sequencer device release happens usually right along with the card
device release).
This patch corrects the private_free call to be done in the right
place, at snd_seq_device_dev_free().
Fixes: 7c37ae5c625a ("ALSA: seq: Rewrite sequencer device binding with standard bus")
Reported-and-tested-by: John Keeping <john@metanate.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210930114114.8645-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* Reason for revert: "scsi: ufs: add support for hibern8 on idle"
* (ab18ee44ce262018da8bf4c18b8e642e152dac89) added ufshcd_release_all(hba) already
This reverts commit 992203a7c0d58bfb160a2a648134773583132117.
Change-Id: Icafaa40c367d1a3cfae0ef88abb8c97613d1405d
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Since dma_buf_begin/end_cpu_access() calls always used to bracket
dma_buf_kmap/kunmap calls, ION performed kmap/kunmap invocations for the
buffer during dma_buf_begin/end_cpu_access() calls and cached the
results with a kmap counter.
However, dma_buf_begin/end_cpu_access() invocations can be
triggered from the userspace using the DMA_BUF_IOC_SYNC ioctl as well.
This means that a mapping that was created by a device driver using by a
dma_buf_kmap() call or an ion_map_kernel() call could be unmapped
from userspace if a client accidentally(or maliciously) invoked
DMA_BUF_IOCTL_SYNC IOCTL with 'DMA_BUF_SYNC_END' argument since this
would inturn invoke dma_buf_end_cpu_access() which would then decrement
the kmap counter and invoke kunmap() when the counter gets to 0.
This patch moves the kmap/kunmap operations from the
begin/end_cpu_access() DMA-BUF ops to the map/unmap DMA-BUF ops to
prevent the issue.
Bug: 187527909
Change-Id: I00dc8eefefb1f3aab99e770f90d624011f7740f0
[hridya: minor conflicts during cherry-picking]
Signed-off-by: Hridya Valsaraju <hridya@google.com>
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lineage-18.1-caf-msm8998
# By Eric Dumazet (2) and others
# Via Greg Kroah-Hartman
* common/android-4.4-p:
Linux 4.4.289
perf/x86: Reset destroy callback on event init failure
scsi: virtio_scsi: Fix spelling mistake "Unsupport" -> "Unsupported"
scsi: ses: Fix unsigned comparison with less than zero
mac80211: Drop frames from invalid MAC address in ad-hoc mode
netfilter: ip6_tables: zero-initialize fragment offset
HID: apple: Fix logical maximum and usage maximum of Magic Keyboard JIS
mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing
gup: document and work around "COW can break either way" issue
i40e: fix endless loop under rtnl
netlink: annotate data races around nlk->bound
ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence
ptp_pch: Load module automatically if ID matches
net_sched: fix NULL deref in fifo_set_limit()
phy: mdio: fix memory leak
xtensa: call irqchip_init only when CONFIG_USE_OF is selected
nfsd4: Handle the NFSv4 READDIR 'dircount' hint being zero
USB: cdc-acm: fix break reporting
USB: cdc-acm: fix racy tty buffer accesses
Change-Id: I72428b366b3ed4931d8f8e8b38c7842ed48ead22
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Changes in 4.4.289
USB: cdc-acm: fix racy tty buffer accesses
USB: cdc-acm: fix break reporting
nfsd4: Handle the NFSv4 READDIR 'dircount' hint being zero
xtensa: call irqchip_init only when CONFIG_USE_OF is selected
phy: mdio: fix memory leak
net_sched: fix NULL deref in fifo_set_limit()
ptp_pch: Load module automatically if ID matches
ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence
netlink: annotate data races around nlk->bound
i40e: fix endless loop under rtnl
gup: document and work around "COW can break either way" issue
mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing
HID: apple: Fix logical maximum and usage maximum of Magic Keyboard JIS
netfilter: ip6_tables: zero-initialize fragment offset
mac80211: Drop frames from invalid MAC address in ad-hoc mode
scsi: ses: Fix unsigned comparison with less than zero
scsi: virtio_scsi: Fix spelling mistake "Unsupport" -> "Unsupported"
perf/x86: Reset destroy callback on event init failure
Linux 4.4.289
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3a65de3023522d2c5370858c3f0e98e86ad6b7ff
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Link: https://lore.kernel.org/r/20211014145206.330102860@linuxfoundation.org
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Pavel Machek (CIP) <pavel@denx.de>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 02d029a41dc986e2d5a77ecca45803857b346829 ]
perf_init_event tries multiple init callbacks and does not reset the
event state between tries. When x86_pmu_event_init runs, it
unconditionally sets the destroy callback to hw_perf_event_destroy. On
the next init attempt after x86_pmu_event_init, in perf_try_init_event,
if the pmu's capabilities includes PERF_PMU_CAP_NO_EXCLUDE, the destroy
callback will be run. However, if the next init didn't set the destroy
callback, hw_perf_event_destroy will be run (since the callback wasn't
reset).
Looking at other pmu init functions, the common pattern is to only set
the destroy callback on a successful init. Resetting the callback on
failure tries to replicate that pattern.
This was discovered after commit f11dd0d80555 ("perf/x86/amd/ibs: Extend
PERF_PMU_CAP_NO_EXCLUDE to IBS Op") when the second (and only second)
run of the perf tool after a reboot results in 0 samples being
generated. The extra run of hw_perf_event_destroy results in
active_events having an extra decrement on each perf run. The second run
has active_events == 0 and every subsequent run has active_events < 0.
When active_events == 0, the NMI handler will early-out and not record
any samples.
Signed-off-by: Anand K Mistry <amistry@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210929170405.1.I078b98ee7727f9ae9d6df8262bad7e325e40faf0@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cced4c0ec7c06f5230a2958907a409c849762293 ]
There are a couple of spelling mistakes in pr_info and pr_err messages.
Fix them.
Link: https://lore.kernel.org/r/20210924230330.143785-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit dd689ed5aa905daf4ba4c99319a52aad6ea0a796 ]
Fix the following coccicheck warning:
./drivers/scsi/ses.c:137:10-16: WARNING: Unsigned expression compared
with zero: result > 0.
Link: https://lore.kernel.org/r/1632477113-90378-1-git-send-email-jiapeng.chong@linux.alibaba.com
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a6555f844549cd190eb060daef595f94d3de1582 ]
WARNING: CPU: 1 PID: 9 at net/mac80211/sta_info.c:554
sta_info_insert_rcu+0x121/0x12a0
Modules linked in:
CPU: 1 PID: 9 Comm: kworker/u8:1 Not tainted 5.14.0-rc7+ #253
Workqueue: phy3 ieee80211_iface_work
RIP: 0010:sta_info_insert_rcu+0x121/0x12a0
...
Call Trace:
ieee80211_ibss_finish_sta+0xbc/0x170
ieee80211_ibss_work+0x13f/0x7d0
ieee80211_iface_work+0x37a/0x500
process_one_work+0x357/0x850
worker_thread+0x41/0x4d0
If an Ad-Hoc node receives packets with invalid source MAC address,
it hits a WARN_ON in sta_info_insert_check(), this can spam the log.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210827144230.39944-1-yuehaibing@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 310e2d43c3ad429c1fba4b175806cf1f55ed73a6 ]
ip6tables only sets the `IP6T_F_PROTO` flag on a rule if a protocol is
specified (`-p tcp`, for example). However, if the flag is not set,
`ip6_packet_match` doesn't call `ipv6_find_hdr` for the skb, in which
case the fragment offset is left uninitialized and a garbage value is
passed to each matcher.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 67fd71ba16a37c663d139f5ba5296f344d80d072 ]
Apple Magic Keyboard(JIS)'s Logical Maximum and Usage Maximum are wrong.
Below is a report descriptor.
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x06, /* Usage (Keyboard), */
0xA1, 0x01, /* Collection (Application), */
0x85, 0x01, /* Report ID (1), */
0x05, 0x07, /* Usage Page (Keyboard), */
0x15, 0x00, /* Logical Minimum (0), */
0x25, 0x01, /* Logical Maximum (1), */
0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */
0x29, 0xE7, /* Usage Maximum (KB Right GUI), */
0x75, 0x01, /* Report Size (1), */
0x95, 0x08, /* Report Count (8), */
0x81, 0x02, /* Input (Variable), */
0x95, 0x05, /* Report Count (5), */
0x75, 0x01, /* Report Size (1), */
0x05, 0x08, /* Usage Page (LED), */
0x19, 0x01, /* Usage Minimum (01h), */
0x29, 0x05, /* Usage Maximum (05h), */
0x91, 0x02, /* Output (Variable), */
0x95, 0x01, /* Report Count (1), */
0x75, 0x03, /* Report Size (3), */
0x91, 0x03, /* Output (Constant, Variable), */
0x95, 0x08, /* Report Count (8), */
0x75, 0x01, /* Report Size (1), */
0x15, 0x00, /* Logical Minimum (0), */
0x25, 0x01, /* Logical Maximum (1), */
here is a report descriptor which is parsed one in kernel.
see sys/kernel/debug/hid/<dev>/rdesc
05 01 09 06 a1 01 85 01 05 07
15 00 25 01 19 e0 29 e7 75 01
95 08 81 02 95 05 75 01 05 08
19 01 29 05 91 02 95 01 75 03
91 03 95 08 75 01 15 00 25 01
06 00 ff 09 03 81 03 95 06 75
08 15 00 25 [65] 05 07 19 00 29
[65] 81 00 95 01 75 01 15 00 25
01 05 0c 09 b8 81 02 95 01 75
01 06 01 ff 09 03 81 02 95 01
75 06 81 03 06 02 ff 09 55 85
55 15 00 26 ff 00 75 08 95 40
b1 a2 c0 06 00 ff 09 14 a1 01
85 90 05 84 75 01 95 03 15 00
25 01 09 61 05 85 09 44 09 46
81 02 95 05 81 01 75 08 95 01
15 00 26 ff 00 09 65 81 02 c0
00
Position 64(Logical Maximum) and 70(Usage Maximum) are 101.
Both should be 0xE7 to support JIS specific keys(ろ, Eisu, Kana, |) support.
position 117 is also 101 but not related(it is Usage 65h).
There are no difference of product id between JIS and ANSI.
They are same 0x0267.
Signed-off-by: Mizuho Mori <morimolymoly@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 38e088546522e1e86d2b8f401a1354ad3a9b3303 upstream.
The NUMA balancing logic uses an arch-specific PROT_NONE page table flag
defined by pte_protnone() or pmd_protnone() to mark PTEs or huge page
PMDs respectively as requiring balancing upon a subsequent page fault.
User-defined PROT_NONE memory regions which also have this flag set will
not normally invoke the NUMA balancing code as do_page_fault() will send
a segfault to the process before handle_mm_fault() is even called.
However if access_remote_vm() is invoked to access a PROT_NONE region of
memory, handle_mm_fault() is called via faultin_page() and
__get_user_pages() without any access checks being performed, meaning
the NUMA balancing logic is incorrectly invoked on a non-NUMA memory
region.
A simple means of triggering this problem is to access PROT_NONE mmap'd
memory using /proc/self/mem which reliably results in the NUMA handling
functions being invoked when CONFIG_NUMA_BALANCING is set.
This issue was reported in bugzilla (issue 99101) which includes some
simple repro code.
There are BUG_ON() checks in do_numa_page() and do_huge_pmd_numa_page()
added at commit c0e7cad to avoid accidentally provoking strange
behaviour by attempting to apply NUMA balancing to pages that are in
fact PROT_NONE. The BUG_ON()'s are consistently triggered by the repro.
This patch moves the PROT_NONE check into mm/memory.c rather than
invoking BUG_ON() as faulting in these pages via faultin_page() is a
valid reason for reaching the NUMA check with the PROT_NONE page table
flag set and is therefore not always a bug.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=99101
Reported-by: Trevor Saunders <tbsaunde@tbsaunde.org>
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
[cascardo: context adjustments were necessary]
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 17839856fd588f4ab6b789f482ed3ffd7c403e1f upstream.
Doing a "get_user_pages()" on a copy-on-write page for reading can be
ambiguous: the page can be COW'ed at any time afterwards, and the
direction of a COW event isn't defined.
Yes, whoever writes to it will generally do the COW, but if the thread
that did the get_user_pages() unmapped the page before the write (and
that could happen due to memory pressure in addition to any outright
action), the writer could also just take over the old page instead.
End result: the get_user_pages() call might result in a page pointer
that is no longer associated with the original VM, and is associated
with - and controlled by - another VM having taken it over instead.
So when doing a get_user_pages() on a COW mapping, the only really safe
thing to do would be to break the COW when getting the page, even when
only getting it for reading.
At the same time, some users simply don't even care.
For example, the perf code wants to look up the page not because it
cares about the page, but because the code simply wants to look up the
physical address of the access for informational purposes, and doesn't
really care about races when a page might be unmapped and remapped
elsewhere.
This adds logic to force a COW event by setting FOLL_WRITE on any
copy-on-write mapping when FOLL_GET (or FOLL_PIN) is used to get a page
pointer as a result.
The current semantics end up being:
- __get_user_pages_fast(): no change. If you don't ask for a write,
you won't break COW. You'd better know what you're doing.
- get_user_pages_fast(): the fast-case "look it up in the page tables
without anything getting mmap_sem" now refuses to follow a read-only
page, since it might need COW breaking. Which happens in the slow
path - the fast path doesn't know if the memory might be COW or not.
- get_user_pages() (including the slow-path fallback for gup_fast()):
for a COW mapping, turn on FOLL_WRITE for FOLL_GET/FOLL_PIN, with
very similar semantics to FOLL_FORCE.
If it turns out that we want finer granularity (ie "only break COW when
it might actually matter" - things like the zero page are special and
don't need to be broken) we might need to push these semantics deeper
into the lookup fault path. So if people care enough, it's possible
that we might end up adding a new internal FOLL_BREAK_COW flag to go
with the internal FOLL_COW flag we already have for tracking "I had a
COW".
Alternatively, if it turns out that different callers might want to
explicitly control the forced COW break behavior, we might even want to
make such a flag visible to the users of get_user_pages() instead of
using the above default semantics.
But for now, this is mostly commentary on the issue (this commit message
being a lot bigger than the patch, and that patch in turn is almost all
comments), with that minimal "enable COW breaking early" logic using the
existing FOLL_WRITE behavior.
[ It might be worth noting that we've always had this ambiguity, and it
could arguably be seen as a user-space issue.
You only get private COW mappings that could break either way in
situations where user space is doing cooperative things (ie fork()
before an execve() etc), but it _is_ surprising and very subtle, and
fork() is supposed to give you independent address spaces.
So let's treat this as a kernel issue and make the semantics of
get_user_pages() easier to understand. Note that obviously a true
shared mapping will still get a page that can change under us, so this
does _not_ mean that get_user_pages() somehow returns any "stable"
page ]
[surenb: backport notes
Since gup_pgd_range does not exist, made appropriate changes on
the the gup_huge_pgd, gup_huge_pd and gup_pud_range calls instead.
Replaced (gup_flags | FOLL_WRITE) with write=1 in gup_huge_pgd,
gup_huge_pd and gup_pud_range.
Removed FOLL_PIN usage in should_force_cow_break since it's missing in
the earlier kernels.]
Reported-by: Jann Horn <jannh@google.com>
Tested-by: Christoph Hellwig <hch@lst.de>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Kirill Shutemov <kirill@shutemov.name>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[surenb: backport to 4.4 kernel]
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 857b6c6f665cca9828396d9743faf37fd09e9ac3 ]
The loop in i40e_get_capabilities can never end. The problem is that
although i40e_aq_discover_capabilities returns with an error if there's
a firmware problem, the returned error is not checked. There is a check for
pf->hw.aq.asq_last_status but that value is set to I40E_AQ_RC_OK on most
firmware problems.
When i40e_aq_discover_capabilities encounters a firmware problem, it will
encounter the same problem on its next invocation. As the result, the loop
becomes endless. We hit this with I40E_ERR_ADMIN_QUEUE_TIMEOUT but looking
at the code, it can happen with a range of other firmware errors.
I don't know what the correct behavior should be: whether the firmware
should be retried a few times, or whether pf->hw.aq.asq_last_status should
be always set to the encountered firmware error (but then it would be
pointless and can be just replaced by the i40e_aq_discover_capabilities
return value). However, the current behavior with an endless loop under the
rtnl mutex(!) is unacceptable and Intel has not submitted a fix, although we
explained the bug to them 7 months ago.
This may not be the best possible fix but it's better than hanging the whole
system on a firmware bug.
Fixes: 56a62fc86895 ("i40e: init code and hardware support")
Tested-by: Stefan Assmann <sassmann@redhat.com>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7707a4d01a648e4c655101a469c956cb11273655 ]
While existing code is correct, KCSAN is reporting
a data-race in netlink_insert / netlink_sendmsg [1]
It is correct to read nlk->bound without a lock, as netlink_autobind()
will acquire all needed locks.
[1]
BUG: KCSAN: data-race in netlink_insert / netlink_sendmsg
write to 0xffff8881031c8b30 of 1 bytes by task 18752 on cpu 0:
netlink_insert+0x5cc/0x7f0 net/netlink/af_netlink.c:597
netlink_autobind+0xa9/0x150 net/netlink/af_netlink.c:842
netlink_sendmsg+0x479/0x7c0 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:703 [inline]
sock_sendmsg net/socket.c:723 [inline]
____sys_sendmsg+0x360/0x4d0 net/socket.c:2392
___sys_sendmsg net/socket.c:2446 [inline]
__sys_sendmsg+0x1ed/0x270 net/socket.c:2475
__do_sys_sendmsg net/socket.c:2484 [inline]
__se_sys_sendmsg net/socket.c:2482 [inline]
__x64_sys_sendmsg+0x42/0x50 net/socket.c:2482
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
read to 0xffff8881031c8b30 of 1 bytes by task 18751 on cpu 1:
netlink_sendmsg+0x270/0x7c0 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:703 [inline]
sock_sendmsg net/socket.c:723 [inline]
__sys_sendto+0x2a8/0x370 net/socket.c:2019
__do_sys_sendto net/socket.c:2031 [inline]
__se_sys_sendto net/socket.c:2027 [inline]
__x64_sys_sendto+0x74/0x90 net/socket.c:2027
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0x00 -> 0x01
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 18751 Comm: syz-executor.0 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes: da314c9923fe ("netlink: Replace rhash_portid with bound")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 783f3db030563f7bcdfe2d26428af98ea1699a8e ]
Any pending interrupt can prevent entering standby based power off state.
To avoid it, disable the GIC CPU interface.
Fixes: 8148d2136002 ("ARM: imx6: register pm_power_off handler if "fsl,pmic-stby-poweroff" is set")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7cd8b1542a7ba0720c5a0a85ed414a122015228b ]
The driver can't be loaded automatically because it misses
module alias to be provided. Add corresponding MODULE_DEVICE_TABLE()
call to the driver.
Fixes: 863d08ece9bf ("supports eg20t ptp clock")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 560ee196fe9e5037e5015e2cdb14b3aecb1cd7dc ]
syzbot reported another NULL deref in fifo_set_limit() [1]
I could repro the issue with :
unshare -n
tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit
tc qd replace dev lo parent 1:0 pfifo_fast
tc qd change dev lo root handle 1:0 tbf limit 300000 burst 70000 rate 100Mbit
pfifo_fast does not have a change() operation.
Make fifo_set_limit() more robust about this.
[1]
BUG: kernel NULL pointer dereference, address: 0000000000000000
PGD 1cf99067 P4D 1cf99067 PUD 7ca49067 PMD 0
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 14443 Comm: syz-executor959 Not tainted 5.15.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc9000e2f7310 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff8d6ecc00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888024c27910 RDI: ffff888071e34000
RBP: ffff888071e34000 R08: 0000000000000001 R09: ffffffff8fcfb947
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888024c27910
R13: ffff888071e34018 R14: 0000000000000000 R15: ffff88801ef74800
FS: 00007f321d897700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000722c3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
fifo_set_limit net/sched/sch_fifo.c:242 [inline]
fifo_set_limit+0x198/0x210 net/sched/sch_fifo.c:227
tbf_change+0x6ec/0x16d0 net/sched/sch_tbf.c:418
qdisc_change net/sched/sch_api.c:1332 [inline]
tc_modify_qdisc+0xd9a/0x1a60 net/sched/sch_api.c:1634
rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5572
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504
netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340
netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: fb0305ce1b03 ("net-sched: consolidate default fifo qdisc setup")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Link: https://lore.kernel.org/r/20210930212239.3430364-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ca6e11c337daf7925ff8a2aac8e84490a8691905 ]
Syzbot reported memory leak in MDIO bus interface, the problem was in
wrong state logic.
MDIOBUS_ALLOCATED indicates 2 states:
1. Bus is only allocated
2. Bus allocated and __mdiobus_register() fails, but
device_register() was called
In case of device_register() has been called we should call put_device()
to correctly free the memory allocated for this device, but mdiobus_free()
calls just kfree(dev) in case of MDIOBUS_ALLOCATED state
To avoid this behaviour we need to set bus->state to MDIOBUS_UNREGISTERED
_before_ calling device_register(), because put_device() should be
called even in case of device_register() failure.
Link: https://lore.kernel.org/netdev/YVMRWNDZDUOvQjHL@shell.armlinux.org.uk/
Fixes: 46abc02175b3 ("phylib: give mdio buses a device tree presence")
Reported-and-tested-by: syzbot+398e7dc692ddbbb4cfec@syzkaller.appspotmail.com
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/eceae1429fbf8fa5c73dd2a0d39d525aa905074d.1633024062.git.paskripkin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6489f8d0e1d93a3603d8dad8125797559e4cf2a2 ]
During boot time kernel configured with OF=y but USE_OF=n displays the
following warnings and hangs shortly after starting userspace:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at kernel/irq/irqdomain.c:695 irq_create_mapping_affinity+0x29/0xc0
irq_create_mapping_affinity(, 6) called with NULL domain
CPU: 0 PID: 0 Comm: swapper Not tainted 5.15.0-rc3-00001-gd67ed2510d28 #30
Call Trace:
__warn+0x69/0xc4
warn_slowpath_fmt+0x6c/0x94
irq_create_mapping_affinity+0x29/0xc0
local_timer_setup+0x40/0x88
time_init+0xb1/0xe8
start_kernel+0x31d/0x3f4
_startup+0x13b/0x13b
---[ end trace 1e6630e1c5eda35b ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at arch/xtensa/kernel/time.c:141 local_timer_setup+0x58/0x88
error: can't map timer irq
CPU: 0 PID: 0 Comm: swapper Tainted: G W 5.15.0-rc3-00001-gd67ed2510d28 #30
Call Trace:
__warn+0x69/0xc4
warn_slowpath_fmt+0x6c/0x94
local_timer_setup+0x58/0x88
time_init+0xb1/0xe8
start_kernel+0x31d/0x3f4
_startup+0x13b/0x13b
---[ end trace 1e6630e1c5eda35c ]---
Failed to request irq 0 (timer)
Fix that by calling irqchip_init only when CONFIG_USE_OF is selected and
calling legacy interrupt controller init otherwise.
Fixes: da844a81779e ("xtensa: add device trees support")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit f2e717d655040d632c9015f19aa4275f8b16e7f2 upstream.
RFC3530 notes that the 'dircount' field may be zero, in which case the
recommendation is to ignore it, and only enforce the 'maxcount' field.
In RFC5661, this recommendation to ignore a zero valued field becomes a
requirement.
Fixes: aee377644146 ("nfsd4: fix rd_dircount enforcement")
Cc: <stable@vger.kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 58fc1daa4d2e9789b9ffc880907c961ea7c062cc upstream.
A recent change that started reporting break events forgot to push the
event to the line discipline, which meant that a detected break would
not be reported until further characters had been receive (the port
could even have been closed and reopened in between).
Fixes: 08dff274edda ("cdc-acm: fix BREAK rx code path adding necessary calls")
Cc: stable@vger.kernel.org
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210929090937.7410-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 65a205e6113506e69a503b61d97efec43fc10fd7 upstream.
A recent change that started reporting break events to the line
discipline caused the tty-buffer insertions to no longer be serialised
by inserting events also from the completion handler for the interrupt
endpoint.
Completion calls for distinct endpoints are not guaranteed to be
serialised. For example, in case a host-controller driver uses
bottom-half completion, the interrupt and bulk-in completion handlers
can end up running in parallel on two CPUs (high-and low-prio tasklets,
respectively) thereby breaking the tty layer's single producer
assumption.
Fix this by holding the read lock also when inserting characters from
the bulk endpoint.
Fixes: 08dff274edda ("cdc-acm: fix BREAK rx code path adding necessary calls")
Cc: stable@vger.kernel.org
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210929090937.7410-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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lineage-18.1-caf-msm8998
# By Sergey Shtylyov (9) and others
# Via Greg Kroah-Hartman
* common/android-4.4-p:
Linux 4.4.288
libata: Add ATA_HORKAGE_NO_NCQ_ON_ATI for Samsung 860 and 870 SSD.
usb: testusb: Fix for showing the connection speed
scsi: sd: Free scsi_disk device via put_device()
ext2: fix sleeping in atomic bugs on error
sparc64: fix pci_iounmap() when CONFIG_PCI is not set
xen-netback: correct success/error reporting for the SKB-with-fraglist case
af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
Linux 4.4.287
Revert "arm64: Mark __stack_chk_guard as __ro_after_init"
Linux 4.4.286
cred: allow get_cred() and put_cred() to be given NULL.
HID: usbhid: free raw_report buffers in usbhid_stop
netfilter: ipset: Fix oversized kvmalloc() calls
HID: betop: fix slab-out-of-bounds Write in betop_probe
arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55
EDAC/synopsys: Fix wrong value type assignment for edac_mode
ext4: fix potential infinite loop in ext4_dx_readdir()
ipack: ipoctal: fix module reference leak
ipack: ipoctal: fix missing allocation-failure check
ipack: ipoctal: fix tty-registration error handling
ipack: ipoctal: fix tty registration race
ipack: ipoctal: fix stack information leak
e100: fix buffer overrun in e100_get_regs
e100: fix length calculation in e100_get_regs_len
ipvs: check that ip_vs_conn_tab_bits is between 8 and 20
mac80211: fix use-after-free in CCMP/GCMP RX
tty: Fix out-of-bound vmalloc access in imageblit
qnx4: work around gcc false positive warning bug
spi: Fix tegra20 build with CONFIG_PM=n
net: 6pack: Fix tx timeout and slot time
alpha: Declare virt_to_phys and virt_to_bus parameter as pointer to volatile
arm64: Mark __stack_chk_guard as __ro_after_init
parisc: Use absolute_pointer() to define PAGE0
qnx4: avoid stringop-overread errors
sparc: avoid stringop-overread errors
net: i825xx: Use absolute_pointer for memcpy from fixed memory location
compiler.h: Introduce absolute_pointer macro
m68k: Double cast io functions to unsigned long
blktrace: Fix uaf in blk_trace access after removing by sysfs
scsi: iscsi: Adjust iface sysfs attr detection
net/mlx4_en: Don't allow aRFS for encapsulated packets
net: hso: fix muxed tty registration
USB: serial: option: add device id for Foxconn T99W265
USB: serial: option: remove duplicate USB device ID
USB: serial: option: add Telit LN920 compositions
USB: serial: mos7840: remove duplicated 0xac24 device ID
USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
xen/x86: fix PV trap handling on secondary processors
cifs: fix incorrect check for null pointer in header_assemble
usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
usb: gadget: r8a66597: fix a loop in set_feature()
Linux 4.4.285
sctp: validate from_addr_param return
drm/nouveau/nvkm: Replace -ENOSYS with -ENODEV
blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group
nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group
nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group
nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group
nilfs2: fix NULL pointer in nilfs_##name##_attr_release
nilfs2: fix memory leak in nilfs_sysfs_create_device_group
ceph: lockdep annotations for try_nonblocking_invalidate
dmaengine: ioat: depends on !UML
parisc: Move pci_dev_is_behind_card_dino to where it is used
dmaengine: acpi: Avoid comparison GSI with Linux vIRQ
dmaengine: acpi-dma: check for 64-bit MMIO address
profiling: fix shift-out-of-bounds bugs
prctl: allow to setup brk for et_dyn executables
9p/trans_virtio: Remove sysfs file on probe failure
thermal/drivers/exynos: Fix an error code in exynos_tmu_probe()
sctp: add param size validation for SCTP_PARAM_SET_PRIMARY
sctp: validate chunk size in __rcv_asconf_lookup
PM / wakeirq: Fix unbalanced IRQ enable for wakeirq
s390/bpf: Fix optimizing out zero-extensions
Linux 4.4.284
s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant
net: renesas: sh_eth: Fix freeing wrong tx descriptor
qlcnic: Remove redundant unlock in qlcnic_pinit_from_rom
ARC: export clear_user_page() for modules
mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
PCI: Sync __pci_register_driver() stub for CONFIG_PCI=n
ethtool: Fix an error code in cxgb2.c
dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation
x86/mm: Fix kern_addr_valid() to cope with existing but not present entries
net/af_unix: fix a data-race in unix_dgram_poll
tipc: increase timeout in tipc_sk_enqueue()
r6040: Restore MDIO clock frequency after MAC reset
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
dccp: don't duplicate ccid when cloning dccp sock
ptp: dp83640: don't define PAGE0
net-caif: avoid user-triggerable WARN_ON(1)
bnx2x: Fix enabling network interfaces without VFs
platform/chrome: cros_ec_proto: Send command again when timeout occurs
parisc: fix crash with signals and alloca
net: fix NULL pointer reference in cipso_v4_doi_free
ath9k: fix OOB read ar9300_eeprom_restore_internal
parport: remove non-zero check on count
Revert "USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set"
cifs: fix wrong release in sess_alloc_buffer() failed path
mmc: rtsx_pci: Fix long reads when clock is prescaled
gfs2: Don't call dlm after protocol is unmounted
rpc: fix gss_svc_init cleanup on failure
ARM: tegra: tamonten: Fix UART pad setting
gpu: drm: amd: amdgpu: amdgpu_i2c: fix possible uninitialized-variable access in amdgpu_i2c_router_select_ddc_port()
Bluetooth: skip invalid hci_sync_conn_complete_evt
serial: 8250_pci: make setup_port() parameters explicitly unsigned
hvsi: don't panic on tty_register_driver failure
xtensa: ISS: don't panic in rs_init
serial: 8250: Define RX trigger levels for OxSemi 950 devices
s390/jump_label: print real address in a case of a jump label bug
ipv4: ip_output.c: Fix out-of-bounds warning in ip_copy_addrs()
video: fbdev: riva: Error out if 'pixclock' equals zero
video: fbdev: kyro: Error out if 'pixclock' equals zero
video: fbdev: asiliantfb: Error out if 'pixclock' equals zero
bpf/tests: Do not PASS tests without actually testing the result
bpf/tests: Fix copy-and-paste error in double word test
tty: serial: jsm: hold port lock when reporting modem line changes
usb: gadget: u_ether: fix a potential null pointer dereference
usb: host: fotg210: fix the actual_length of an iso packet
Smack: Fix wrong semantics in smk_access_entry()
netlink: Deal with ESRCH error in nlmsg_notify()
video: fbdev: kyro: fix a DoS bug by restricting user input
iio: dac: ad5624r: Fix incorrect handling of an optional regulator.
PCI: Use pci_update_current_state() in pci_enable_device_flags()
crypto: mxs-dcp - Use sg_mapping_iter to copy data
pinctrl: single: Fix error return code in pcs_parse_bits_in_pinctrl_entry()
openrisc: don't printk() unconditionally
PCI: Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure
PCI: Restrict ASMedia ASM1062 SATA Max Payload Size Supported
ARM: 9105/1: atags_to_fdt: don't warn about stack size
libata: add ATA_HORKAGE_NO_NCQ_TRIM for Samsung 860 and 870 SSDs
media: rc-loopback: return number of emitters rather than error
media: uvc: don't do DMA on stack
VMCI: fix NULL pointer dereference when unmapping queue pair
power: supply: max17042: handle fails of reading status register
xen: fix setting of max_pfn in shared_info
PCI/MSI: Skip masking MSI-X on Xen PV
rtc: tps65910: Correct driver module alias
fbmem: don't allow too huge resolutions
clk: kirkwood: Fix a clocking boot regression
KVM: x86: Update vCPU's hv_clock before back to guest when tsc_offset is adjusted
tty: Fix data race between tiocsti() and flush_to_ldisc()
ipv4: make exception cache less predictible
bcma: Fix memory leak for internally-handled cores
ath6kl: wmi: fix an error code in ath6kl_wmi_sync_point()
usb: ehci-orion: Handle errors of clk_prepare_enable() in probe
i2c: mt65xx: fix IRQ check
CIFS: Fix a potencially linear read overflow
mmc: moxart: Fix issue with uninitialized dma_slave_config
mmc: dw_mmc: Fix issue with uninitialized dma_slave_config
i2c: s3c2410: fix IRQ check
i2c: iop3xx: fix deferred probing
Bluetooth: add timeout sanity check to hci_inquiry
usb: gadget: mv_u3d: request_irq() after initializing UDC
usb: phy: tahvo: add IRQ check
usb: host: ohci-tmio: add IRQ check
Bluetooth: Move shutdown callback before flushing tx and rx queue
usb: phy: twl6030: add IRQ checks
usb: phy: fsl-usb: add IRQ check
usb: gadget: udc: at91: add IRQ check
drm/msm/dsi: Fix some reference counted resource leaks
Bluetooth: fix repeated calls to sco_sock_kill
arm64: dts: exynos: correct GIC CPU interfaces address range on Exynos7
Bluetooth: increase BTNAMSIZ to 21 chars to fix potential buffer overflow
PCI: PM: Enable PME if it can be signaled from D3cold
i2c: highlander: add IRQ check
net: cipso: fix warnings in netlbl_cipsov4_add_std
tcp: seq_file: Avoid skipping sk during tcp_seek_last_pos
Bluetooth: sco: prevent information leak in sco_conn_defer_accept()
media: go7007: remove redundant initialization
media: dvb-usb: fix uninit-value in vp702x_read_mac_addr
media: dvb-usb: fix uninit-value in dvb_usb_adapter_dvb_init
certs: Trigger creation of RSA module signing key if it's not an RSA key
m68k: emu: Fix invalid free in nfeth_cleanup()
udf_get_extendedattr() had no boundary checks.
crypto: qat - fix reuse of completion variable
crypto: qat - do not ignore errors from enable_vf2pf_comms()
libata: fix ata_host_start()
power: supply: max17042_battery: fix typo in MAx17042_TOFF
crypto: omap-sham - clear dma flags only after omap_sham_update_dma_stop()
crypto: mxs-dcp - Check for DMA mapping errors
PCI: Call Max Payload Size-related fixup quirks early
x86/reboot: Limit Dell Optiplex 990 quirk to early BIOS versions
Revert "btrfs: compression: don't try to compress if we don't have enough pages"
mm/page_alloc: speed up the iteration of max_order
net: ll_temac: Remove left-over debug message
powerpc/boot: Delete unneeded .globl _zimage_start
powerpc/module64: Fix comment in R_PPC64_ENTRY handling
mm/kmemleak.c: make cond_resched() rate-limiting more efficient
s390/disassembler: correct disassembly lines alignment
ipv4/icmp: l3mdev: Perform icmp error route lookup on source device routing table (v2)
tc358743: fix register i2c_rd/wr function fix
PM / wakeirq: Enable dedicated wakeirq for suspend
USB: serial: mos7720: improve OOM-handling in read_mos_reg()
usb: phy: isp1301: Fix build warning when CONFIG_OF is disabled
igmp: Add ip_mc_list lock in ip_check_mc_rcu
media: stkwebcam: fix memory leak in stk_camera_probe
ath9k: Postpone key cache entry deletion for TXQ frames reference it
ath: Modify ath_key_delete() to not need full key entry
ath: Export ath_hw_keysetmac()
ath9k: Clear key cache explicitly on disabling hardware
ath: Use safer key clearing with key cache entries
ALSA: pcm: fix divide error in snd_pcm_lib_ioctl
ARM: 8918/2: only build return_address() if needed
cryptoloop: add a deprecation warning
qede: Fix memset corruption
ARC: fix allnoconfig build warning
xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
ext4: fix race writing to an inline_data file while its xattrs are changing
Change-Id: I0d3200388e095f977c784cba314b9cc061848c7a
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Changes in 4.4.288
af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
xen-netback: correct success/error reporting for the SKB-with-fraglist case
sparc64: fix pci_iounmap() when CONFIG_PCI is not set
ext2: fix sleeping in atomic bugs on error
scsi: sd: Free scsi_disk device via put_device()
usb: testusb: Fix for showing the connection speed
libata: Add ATA_HORKAGE_NO_NCQ_ON_ATI for Samsung 860 and 870 SSD.
Linux 4.4.288
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Id6d93b8ff677b720c77d0f1384141464e0aaf1e8
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