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Since there are more IOT2040 variants with identical hardware but
different asset tags, the asset tag matching should be adjusted to
support them.
As only the IOT2040 variants have the Exar chip on board, matching on
their board name is enough. In the future there will be no other devices
with the "SIMATIC IOT2000" DMI board name but different hardware.
Signed-off-by: Su Bao Cheng <baocheng.su@siemens.com>
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need to compute the uart state only on the first open. This is
usually what is done in the ->install hook. serial_core used to do this
in ->open on every open. So move it to ->install.
As a side effect, it ensures the state is set properly in the window
after tty_init_dev is called, but before uart_open. This fixes a bunch
of races between tty_open and flush_to_ldisc we were dealing with
recently.
One of such bugs was attempted to fix in commit fedb5760648a (serial:
fix race between flush_to_ldisc and tty_open), but it only took care of
a couple of functions (uart_start and uart_unthrottle). I was able to
reproduce the crash on a SLE system, but in uart_write_room which is
also called from flush_to_ldisc via process_echoes. I was *unable* to
reproduce the bug locally. It is due to having this patch in my queue
since 2012!
general protection fault: 0000 [#1] SMP KASAN PTI
CPU: 1 PID: 5 Comm: kworker/u4:0 Tainted: G L 4.12.14-396-default #1 SLE15-SP1 (unreleased)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-0-ga698c89-prebuilt.qemu.org 04/01/2014
Workqueue: events_unbound flush_to_ldisc
task: ffff8800427d8040 task.stack: ffff8800427f0000
RIP: 0010:uart_write_room+0xc4/0x590
RSP: 0018:ffff8800427f7088 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000002f RSI: 00000000000000ee RDI: ffff88003888bd90
RBP: ffffffffb9545850 R08: 0000000000000001 R09: 0000000000000400
R10: ffff8800427d825c R11: 000000000000006e R12: 1ffff100084fee12
R13: ffffc900004c5000 R14: ffff88003888bb28 R15: 0000000000000178
FS: 0000000000000000(0000) GS:ffff880043300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561da0794148 CR3: 000000000ebf4000 CR4: 00000000000006e0
Call Trace:
tty_write_room+0x6d/0xc0
__process_echoes+0x55/0x870
n_tty_receive_buf_common+0x105e/0x26d0
tty_ldisc_receive_buf+0xb7/0x1c0
tty_port_default_receive_buf+0x107/0x180
flush_to_ldisc+0x35d/0x5c0
...
0 in rbx means tty->driver_data is NULL in uart_write_room. 0x178 is
tried to be dereferenced (0x178 >> 3 is 0x2f in rdx) at
uart_write_room+0xc4. 0x178 is exactly (struct uart_state *)NULL->refcount
used in uart_port_lock from uart_write_room.
So revert the upstream commit here as my local patch should fix the
whole family.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Li RongQing <lirongqing@baidu.com>
Cc: Wang Li <wangli39@baidu.com>
Cc: Zhang Yu <zhangyu31@baidu.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix build warning that using plain integer as Null pointer.
This is reported by kbuild test robot.
Fixes: ba44dc043004 ("serial: Add Milbeaut serial control")
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three minor fixes: two obvious ones in drivers and a fix to the SG_IO
path to correctly return status on error"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: aic7xxx: fix EISA support
Revert "scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO"
scsi: core: set result when the command cannot be dispatched
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pill i3c fixes from Boris Brezillon:
- fix the random PID check
- fix the disable controller logic in the designware driver
- fix I3C entry in MAINTAINERS
* tag 'i3c/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
MAINTAINERS: Fix the I3C entry
i3c: dw: Fix dw_i3c_master_disable controller by using correct mask
i3c: Fix the verification of random PID
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"Misc clocksource driver fixes, and a sched-clock wrapping fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze()
clocksource/drivers/timer-ti-dm: Remove omap_dm_timer_set_load_start
clocksource/drivers/oxnas: Fix OX820 compatible
clocksource/drivers/arm_arch_timer: Remove unneeded pr_fmt macro
clocksource/drivers/npcm: select TIMER_OF
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are five small fixes for some tty/serial/vt issues that have been
reported.
The vt one has been around for a while, it is good to finally get that
resolved. The others fix a build warning that showed up in 5.1-rc1,
and resolve a problem in the sh-sci driver.
Note, the second patch for build warning fix for the sc16is7xx driver
was just applied to the tree, as it resolves a problem with the
previous patch to try to solve the issue. It has not shown up in
linux-next yet, unlike all of the other patches, but it has passed
0-day testing and everyone seems to agree that it is correct"
* tag 'tty-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
sc16is7xx: put err_spi and err_i2c into correct #ifdef
vt: fix cursor when clearing the screen
sc16is7xx: move label 'err_spi' to correct section
serial: sh-sci: Fix HSCIF RX sampling point adjustment
serial: sh-sci: Fix HSCIF RX sampling point calculation
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Merge misc fixes from Andrew Morton:
"16 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
mm/kmemleak.c: fix unused-function warning
init: initialize jump labels before command line option parsing
kernel/watchdog_hld.c: hard lockup message should end with a newline
kcov: improve CONFIG_ARCH_HAS_KCOV help text
mm: fix inactive list balancing between NUMA nodes and cgroups
mm/hotplug: treat CMA pages as unmovable
proc: fixup proc-pid-vm test
proc: fix map_files test on F29
mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n
mm/memory_hotplug: do not unlock after failing to take the device_hotplug_lock
mm: swapoff: shmem_unuse() stop eviction without igrab()
mm: swapoff: take notice of completion sooner
mm: swapoff: remove too limiting SWAP_UNUSE_MAX_TRIES
mm: swapoff: shmem_find_swap_entries() filter out other types
slab: store tagged freelist for off-slab slabmgmt
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO fixes from Greg KH:
"Here is a bunch of IIO driver fixes, and some smaller staging driver
fixes, for 5.1-rc6. The IIO fixes were delayed due to my vacation, but
all resolve a number of reported issues and have been in linux-next
for a few weeks with no reported issues.
The other staging driver fixes are all tiny, resolving some reported
issues in the comedi and most drivers, as well as some erofs fixes.
All of these patches have been in linux-next with no reported issues"
* tag 'staging-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (24 commits)
staging: comedi: ni_usb6501: Fix possible double-free of ->usb_rx_buf
staging: comedi: ni_usb6501: Fix use of uninitialized mutex
staging: erofs: fix unexpected out-of-bound data access
staging: comedi: vmk80xx: Fix possible double-free of ->usb_rx_buf
staging: comedi: vmk80xx: Fix use of uninitialized semaphore
staging: most: core: use device description as name
iio: core: fix a possible circular locking dependency
iio: ad_sigma_delta: select channel when reading register
iio: pms7003: select IIO_TRIGGERED_BUFFER
iio: cros_ec: Fix the maths for gyro scale calculation
iio: adc: xilinx: prevent touching unclocked h/w on remove
iio: adc: xilinx: fix potential use-after-free on probe
iio: adc: xilinx: fix potential use-after-free on remove
iio: dac: mcp4725: add missing powerdown bits in store eeprom
io: accel: kxcjk1013: restore the range after resume.
iio:chemical:bme680: Fix SPI read interface
iio:chemical:bme680: Fix, report temperature in millidegrees
iio: chemical: fix missing Kconfig block for sgp30
iio: adc: at91: disable adc channel interrupt in timeout case
iio: gyro: mpu3050: fix chip ID reading
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are four small misc driver fixes for 5.1-rc6.
Nothing major at all, they fix up a Kconfig issues, a SPDX invalid
license tag, and two tiny bugfixes.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
drivers: power: supply: goldfish_battery: Fix bogus SPDX identifier
extcon: ptn5150: fix COMPILE_TEST dependencies
misc: fastrpc: add checked value for dma_set_mask
habanalabs: remove low credit limit of DMA #0
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- several new key mappings for HID
- a host of new ACPI IDs used to identify Elan touchpads in Lenovo
laptops
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: snvs_pwrkey - initialize necessary driver data before enabling IRQ
HID: input: add mapping for "Toggle Display" key
HID: input: add mapping for "Full Screen" key
HID: input: add mapping for keyboard Brightness Up/Down/Toggle keys
HID: input: add mapping for Expose/Overview key
HID: input: fix mapping of aspect ratio key
[media] doc-rst: switch to new names for Full Screen/Aspect keys
Input: document meanings of KEY_SCREEN and KEY_ZOOM
Input: elan_i2c - add hardware ID for multiple Lenovo laptops
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dumping
The core dumping code has always run without holding the mmap_sem for
writing, despite that is the only way to ensure that the entire vma
layout will not change from under it. Only using some signal
serialization on the processes belonging to the mm is not nearly enough.
This was pointed out earlier. For example in Hugh's post from Jul 2017:
https://lkml.kernel.org/r/alpine.LSU.2.11.1707191716030.2055@eggly.anvils
"Not strictly relevant here, but a related note: I was very surprised
to discover, only quite recently, how handle_mm_fault() may be called
without down_read(mmap_sem) - when core dumping. That seems a
misguided optimization to me, which would also be nice to correct"
In particular because the growsdown and growsup can move the
vm_start/vm_end the various loops the core dump does around the vma will
not be consistent if page faults can happen concurrently.
Pretty much all users calling mmget_not_zero()/get_task_mm() and then
taking the mmap_sem had the potential to introduce unexpected side
effects in the core dumping code.
Adding mmap_sem for writing around the ->core_dump invocation is a
viable long term fix, but it requires removing all copy user and page
faults and to replace them with get_dump_page() for all binary formats
which is not suitable as a short term fix.
For the time being this solution manually covers the places that can
confuse the core dump either by altering the vma layout or the vma flags
while it runs. Once ->core_dump runs under mmap_sem for writing the
function mmget_still_valid() can be dropped.
Allowing mmap_sem protected sections to run in parallel with the
coredump provides some minor parallelism advantage to the swapoff code
(which seems to be safe enough by never mangling any vma field and can
keep doing swapins in parallel to the core dumping) and to some other
corner case.
In order to facilitate the backporting I added "Fixes: 86039bd3b4e6"
however the side effect of this same race condition in /proc/pid/mem
should be reproducible since before 2.6.12-rc2 so I couldn't add any
other "Fixes:" because there's no hash beyond the git genesis commit.
Because find_extend_vma() is the only location outside of the process
context that could modify the "mm" structures under mmap_sem for
reading, by adding the mmget_still_valid() check to it, all other cases
that take the mmap_sem for reading don't need the new check after
mmget_not_zero()/get_task_mm(). The expand_stack() in page fault
context also doesn't need the new check, because all tasks under core
dumping are frozen.
Link: http://lkml.kernel.org/r/20190325224949.11068-1-aarcange@redhat.com
Fixes: 86039bd3b4e6 ("userfaultfd: add new syscall to provide memory externalization")
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: Jann Horn <jannh@google.com>
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Jann Horn <jannh@google.com>
Acked-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When adding memory by probing a memory block in the sysfs interface,
there is an obvious issue where we will unlock the device_hotplug_lock
when we failed to takes it.
That issue was introduced in 8df1d0e4a265 ("mm/memory_hotplug: make
add_memory() take the device_hotplug_lock").
We should drop out in time when failing to take the device_hotplug_lock.
Link: http://lkml.kernel.org/r/1554696437-9593-1-git-send-email-zhongjiang@huawei.com
Fixes: 8df1d0e4a265 ("mm/memory_hotplug: make add_memory() take the device_hotplug_lock")
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reported-by: Yang yingliang <yangyingliang@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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err_spi is only called within SERIAL_SC16IS7XX_SPI
while err_i2c is called inside SERIAL_SC16IS7XX_I2C.
So we need to put err_spi and err_i2c into each #ifdef
accordingly.
This change fixes ("sc16is7xx: move label 'err_spi'
to correct section").
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of relying on the now removed NULL argument to
pci_alloc_consistent, switch to the generic DMA API, and store the struct
device so that we can pass it.
Fixes: 4167b2ad5182 ("PCI: Remove NULL device handling from PCI DMA API")
Reported-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch clears FC_RP_STARTED flag during logoff, because of this
re-login(flogi) didn't happen to the switch.
This reverts commit 1550ec458e0cf1a40a170ab1f4c46e3f52860f65.
Fixes: 1550ec458e0c ("scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO")
Cc: <stable@vger.kernel.org> # v4.18+
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Hannes Reinecke <hare@#suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 bug fixes from Martin Schwidefsky:
- Fix overwrite of the initial ramdisk due to misuse of IS_ENABLED
- Fix integer overflow in the dasd driver resulting in incorrect number
of blocks for large devices
- Fix a lockdep false positive in the 3270 driver
- Fix a deadlock in the zcrypt driver
- Fix incorrect debug feature entries in the pkey api
- Fix inline assembly constraints fallout with CONFIG_KASAN=y
* tag 's390-5.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: correct some inline assembly constraints
s390/pkey: add one more argument space for debug feature entry
s390/zcrypt: fix possible deadlock situation on ap queue remove
s390/3270: fix lockdep false positive on view->lock
s390/dasd: Fix capacity calculation for large volumes
s390/mem_detect: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD)
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Pull drm fixes from Dave Airlie:
"Since Easter is looming for me, I'm just pushing whatever is in my
tree, I'll see what else turns up and maybe I'll send another pull
early next week if there is anything.
tegra:
- stream id programming fix
- avoid divide by 0 for bad hdmi audio setup code
ttm:
- Hugepages fix
- refcount imbalance in error path fix
amdgpu:
- GPU VM fixes for Vega/RV
- DC AUX fix for active DP-DVI dongles
- DC fix for multihead regression"
* tag 'drm-fixes-2019-04-18' of git://anongit.freedesktop.org/drm/drm:
drm/tegra: hdmi: Setup audio only if configured
drm/amd/display: If one stream full updates, full update all planes
drm/amdgpu/gmc9: fix VM_L2_CNTL3 programming
drm/amdgpu: shadow in shadow_list without tbo.mem.start cause page fault in sriov TDR
gpu: host1x: Program stream ID to bypass without SMMU
drm/amd/display: extending AUX SW Timeout
drm/ttm: fix dma_fence refcount imbalance on error path
drm/ttm: fix incrementing the page pointer for huge pages
drm/ttm: fix start page for huge page check in ttm_put_pages()
drm/ttm: fix out-of-bounds read in ttm_put_pages() v2
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into drm-fixes
- GPUVM fixes for vega/RV and shadow buffers
- TTM fixes for hugepages
- TTM fix for refcount imbalance in error path
- DC AUX fix for some active DP-DVI dongles
- DC fix for multihead VT switch regression
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190415051703.3377-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v5.1-rc6
This contains a follow-up fix for the stream ID programming and a fix
for a regression on older Tegra devices (Tegra20 and Tegra30) that are
running into a division by zero trying to enable audio over HDMI.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190417073525.21680-1-thierry.reding@gmail.com
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Pull IPMI fixes from Corey Minyard:
"Fixes for some bugs cause by recent changes. One crash if you feed bad
data to the module parameters, one BUG that sometimes occurs when a
user closes the connection, and one bug that cause the driver to not
work if the configuration information only comes in from SMBIOS"
* tag 'for-linus-5.1-2' of git://github.com/cminyard/linux-ipmi:
ipmi: fix sleep-in-atomic in free_user at cleanup SRCU user->release_barrier
ipmi: ipmi_si_hardcode.c: init si_type array to fix a crash
ipmi: Fix failure on SMBIOS specified devices
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Pull networking fixes from David Miller:
1) Handle init flow failures properly in iwlwifi driver, from Shahar S
Matityahu.
2) mac80211 TXQs need to be unscheduled on powersave start, from Felix
Fietkau.
3) SKB memory accounting fix in A-MDSU aggregation, from Felix Fietkau.
4) Increase RCU lock hold time in mlx5 FPGA code, from Saeed Mahameed.
5) Avoid checksum complete with XDP in mlx5, also from Saeed.
6) Fix netdev feature clobbering in ibmvnic driver, from Thomas Falcon.
7) Partial sent TLS record leak fix from Jakub Kicinski.
8) Reject zero size iova range in vhost, from Jason Wang.
9) Allow pending work to complete before clcsock release from Karsten
Graul.
10) Fix XDP handling max MTU in thunderx, from Matteo Croce.
11) A lot of protocols look at the sa_family field of a sockaddr before
validating it's length is large enough, from Tetsuo Handa.
12) Don't write to free'd pointer in qede ptp error path, from Colin Ian
King.
13) Have to recompile IP options in ipv4_link_failure because it can be
invoked from ARP, from Stephen Suryaputra.
14) Doorbell handling fixes in qed from Denis Bolotin.
15) Revert net-sysfs kobject register leak fix, it causes new problems.
From Wang Hai.
16) Spectre v1 fix in ATM code, from Gustavo A. R. Silva.
17) Fix put of BROPT_VLAN_STATS_PER_PORT in bridging code, from Nikolay
Aleksandrov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (111 commits)
socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW
tcp: tcp_grow_window() needs to respect tcp_space()
ocelot: Clean up stats update deferred work
ocelot: Don't sleep in atomic context (irqs_disabled())
net: bridge: fix netlink export of vlan_stats_per_port option
qed: fix spelling mistake "faspath" -> "fastpath"
tipc: set sysctl_tipc_rmem and named_timeout right range
tipc: fix link established but not in session
net: Fix missing meta data in skb with vlan packet
net: atm: Fix potential Spectre v1 vulnerabilities
net/core: work around section mismatch warning for ptp_classifier
net: bridge: fix per-port af_packet sockets
bnx2x: fix spelling mistake "dicline" -> "decline"
route: Avoid crash from dereferencing NULL rt->from
MAINTAINERS: normalize Woojung Huh's email address
bonding: fix event handling for stacked bonds
Revert "net-sysfs: Fix memory leak in netdev_register_kobject"
rtnetlink: fix rtnl_valid_stats_req() nlmsg_len check
qed: Fix the DORQ's attentions handling
qed: Fix missing DORQ attentions
...
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free_user() could be called in atomic context.
This patch pushed the free operation off into a workqueue.
Example:
BUG: sleeping function called from invalid context at kernel/workqueue.c:2856
in_atomic(): 1, irqs_disabled(): 0, pid: 177, name: ksoftirqd/27
CPU: 27 PID: 177 Comm: ksoftirqd/27 Not tainted 4.19.25-3 #1
Hardware name: AIC 1S-HV26-08/MB-DPSB04-06, BIOS IVYBV060 10/21/2015
Call Trace:
dump_stack+0x5c/0x7b
___might_sleep+0xec/0x110
__flush_work+0x48/0x1f0
? try_to_del_timer_sync+0x4d/0x80
_cleanup_srcu_struct+0x104/0x140
free_user+0x18/0x30 [ipmi_msghandler]
ipmi_free_recv_msg+0x3a/0x50 [ipmi_msghandler]
deliver_response+0xbd/0xd0 [ipmi_msghandler]
deliver_local_response+0xe/0x30 [ipmi_msghandler]
handle_one_recv_msg+0x163/0xc80 [ipmi_msghandler]
? dequeue_entity+0xa0/0x960
handle_new_recv_msgs+0x15c/0x1f0 [ipmi_msghandler]
tasklet_action_common.isra.22+0x103/0x120
__do_softirq+0xf8/0x2d7
run_ksoftirqd+0x26/0x50
smpboot_thread_fn+0x11d/0x1e0
kthread+0x103/0x140
? sort_range+0x20/0x20
? kthread_destroy_worker+0x40/0x40
ret_from_fork+0x1f/0x40
Fixes: 77f8269606bf ("ipmi: fix use-after-free of user->release_barrier.rda")
Reported-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: stable@vger.kernel.org # 5.0
Cc: Yang Yingliang <yangyingliang@huawei.com>
|
|
The patch a6dbe4427559 ("vt: perform safe console erase in the right
order") introduced a bug. The conditional do_update_region() was
replaced by a call to update_region() that does contain the conditional
already, but with unwanted extra side effects such as restoring the cursor
drawing.
In order to reproduce the bug:
- use framebuffer console with the AMDGPU driver
- type "links" to start the console www browser
- press 'q' and space to exit links
Now the cursor will be permanently visible in the center of the
screen. It will stay there until something overwrites it.
The bug goes away if we change update_region() back to the conditional
do_update_region().
[ nico: reworded changelog ]
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Cc: stable@vger.kernel.org
Fixes: a6dbe4427559 ("vt: perform safe console erase in the right order")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
`ni6501_alloc_usb_buffers()` is called from `ni6501_auto_attach()` to
allocate RX and TX buffers for USB transfers. It allocates
`devpriv->usb_rx_buf` followed by `devpriv->usb_tx_buf`. If the
allocation of `devpriv->usb_tx_buf` fails, it frees
`devpriv->usb_rx_buf`, leaving the pointer set dangling, and returns an
error. Later, `ni6501_detach()` will be called from the core comedi
module code to clean up. `ni6501_detach()` also frees both
`devpriv->usb_rx_buf` and `devpriv->usb_tx_buf`, but
`devpriv->usb_rx_buf` may have already beed freed, leading to a
double-free error. Fix it bu removing the call to
`kfree(devpriv->usb_rx_buf)` from `ni6501_alloc_usb_buffers()`, relying
on `ni6501_detach()` to free the memory.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
If `ni6501_auto_attach()` returns an error, the core comedi module code
will call `ni6501_detach()` to clean up. If `ni6501_auto_attach()`
successfully allocated the comedi device private data, `ni6501_detach()`
assumes that a `struct mutex mut` contained in the private data has been
initialized and uses it. Unfortunately, there are a couple of places
where `ni6501_auto_attach()` can return an error after allocating the
device private data but before initializing the mutex, so this
assumption is invalid. Fix it by initializing the mutex just after
allocating the private data in `ni6501_auto_attach()` before any other
errors can be retturned. Also move the call to `usb_set_intfdata()`
just to keep the code a bit neater (either position for the call is
fine).
I believe this was the cause of the following syzbot crash report
<https://syzkaller.appspot.com/bug?extid=cf4f2b6c24aff0a3edf6>:
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
usb 1-1: string descriptor 0 read error: -71
comedi comedi0: Wrong number of endpoints
ni6501 1-1:0.233: driver 'ni6501' failed to auto-configure device.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 585 Comm: kworker/0:3 Not tainted 5.1.0-rc4-319354-g9a33b36 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xe8/0x16e lib/dump_stack.c:113
assign_lock_key kernel/locking/lockdep.c:786 [inline]
register_lock_class+0x11b8/0x1250 kernel/locking/lockdep.c:1095
__lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582
lock_acquire+0x10d/0x2f0 kernel/locking/lockdep.c:4211
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0xfe/0x12b0 kernel/locking/mutex.c:1072
ni6501_detach+0x5b/0x110 drivers/staging/comedi/drivers/ni_usb6501.c:567
comedi_device_detach+0xed/0x800 drivers/staging/comedi/drivers.c:204
comedi_device_cleanup.part.0+0x68/0x140 drivers/staging/comedi/comedi_fops.c:156
comedi_device_cleanup drivers/staging/comedi/comedi_fops.c:187 [inline]
comedi_free_board_dev.part.0+0x16/0x90 drivers/staging/comedi/comedi_fops.c:190
comedi_free_board_dev drivers/staging/comedi/comedi_fops.c:189 [inline]
comedi_release_hardware_device+0x111/0x140 drivers/staging/comedi/comedi_fops.c:2880
comedi_auto_config.cold+0x124/0x1b0 drivers/staging/comedi/drivers.c:1068
usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
hub_port_connect drivers/usb/core/hub.c:5089 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
port_event drivers/usb/core/hub.c:5350 [inline]
hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432
process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
kthread+0x313/0x420 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Reported-by: syzbot+cf4f2b6c24aff0a3edf6@syzkaller.appspotmail.com
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
The audio configuration is only valid if the HDMI codec has been
properly set up. Do not attempt to set up audio before that happens
because it causes a division by zero.
Note that this is only problematic on Tegra20 and Tegra30. Later chips
implement the division instructions which return zero when dividing by
zero and don't throw an exception.
Fixes: db5adf4d6dce ("drm/tegra: hdmi: Fix audio to work with any pixel clock rate")
Reported-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
|
|
This is preventive cleanup that may save troubles later.
No need to cancel repeateadly queued work if code is properly
refactored.
Don't let the ethtool -s process interfere with the stat workqueue
scheduling.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Preemption disabled at:
[<ffff000008cabd54>] dev_set_rx_mode+0x1c/0x38
Call trace:
[<ffff00000808a5c0>] dump_backtrace+0x0/0x3d0
[<ffff00000808a9a4>] show_stack+0x14/0x20
[<ffff000008e6c0c0>] dump_stack+0xac/0xe4
[<ffff0000080fe76c>] ___might_sleep+0x164/0x238
[<ffff0000080fe890>] __might_sleep+0x50/0x88
[<ffff0000082261e4>] kmem_cache_alloc+0x17c/0x1d0
[<ffff000000ea0ae8>] ocelot_set_rx_mode+0x108/0x188 [mscc_ocelot_common]
[<ffff000008cabcf0>] __dev_set_rx_mode+0x58/0xa0
[<ffff000008cabd5c>] dev_set_rx_mode+0x24/0x38
Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support")
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
There is a spelling mistake in a DP_INFO message, fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The intended behavior of function ipmi_hardcode_init_one() is to default
to kcs interface when no type argument is presented when initializing
ipmi with hard coded addresses.
However, the array of char pointers allocated on the stack by function
ipmi_hardcode_init() was not inited to zeroes, so it contained stack
debris.
Consequently, passing the cruft stored in this array to function
ipmi_hardcode_init_one() caused a crash when it was unable to detect
that the char * being passed was nonsense and tried to access the
address specified by the bogus pointer.
The fix is simply to initialize the si_type array to zeroes, so if
there were no type argument given to at the command line, function
ipmi_hardcode_init_one() could properly default to the kcs interface.
Signed-off-by: Tony Camuso <tcamuso@redhat.com>
Message-Id: <1554837603-40299-1-git-send-email-tcamuso@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
|
|
An extra memset was put into a place that cleared the interface
type.
Reported-by: Tony Camuso <tcamuso@redhat.com>
Fixes: 3cd83bac481dc4 ("ipmi: Consolidate the adding of platform devices")
Signed-off-by: Corey Minyard <cminyard@mvista.com>
|
|
fix spelling mistake "overriden" -> "overridden"
This fix resolves warning reported by checkpatch tool.
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
err_spi is used when SERIAL_SC16IS7XX_SPI is enabled, so make
the label only available under SERIAL_SC16IS7XX_SPI option.
Otherwise, the below warning appears.
drivers/tty/serial/sc16is7xx.c:1523:1: warning: label ‘err_spi’ defined but not used [-Wunused-label]
err_spi:
^~~~~~~
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Fixes: ac0cdb3d9901 ("sc16is7xx: missing unregister/delete driver on error in sc16is7xx_init()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
The calculation of the sampling point has min() and max() exchanged.
Fix this by using the clamp() helper instead.
Fixes: 63ba1e00f178a448 ("serial: sh-sci: Support for HSCIF RX sampling point adjustment")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
There are several issues with the formula used for calculating the
deviation from the intended rate:
1. While min_err and last_stop are signed, srr and baud are unsigned.
Hence the signed values are promoted to unsigned, which will lead
to a bogus value of deviation if min_err is negative,
2. Srr is the register field value, which is one less than the actual
sampling rate factor,
3. The divisions do not use rounding.
Fix this by casting unsigned variables to int, adding one to srr, and
using a single DIV_ROUND_CLOSEST().
Fixes: 63ba1e00f178a448 ("serial: sh-sci: Support for HSCIF RX sampling point adjustment")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
If no console driver is enabled (or if a non-present driver is selected
with something like console=null in an attempt to disable the console),
opening /dev/console errors out, and init scripts and other userspace
code that relies on the existence of a console will fail. Symlinking
/dev/null to /dev/console does not solve the problem since /dev/null
does not behave like a real TTY.
To just provide a dummy console to userspace when no console driver is
available or desired, add a ttynull driver which simply discards all
writes. It can be chosen on the command line in the standard way, i.e.
with console=ttynull.
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
Pass Unicode character to k_unicode handler function to honor possible
accent_table definition.
With introduction of KDSKBDIACRUC ioctl, it has been possible to set
compose characters (diacr, base and result) to any Unicode character
(below 0xf000 code point) as defined in struct kbdiacruc.
But it does not work with characters beyond Latin-1 as base, because
they are printed early and not passed to any of the handler functions,
thus breaking compose and dead keys.
It affects keyboard layouts defining such characters on level 1 and
relying on dead keys to access level 3 (e.g., lv-modern with some
modifications for extra characters on level 3 for ē, ā and ī keys).
Signed-off-by: Reinis Danne <rei4dan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
This reverts commit f4e68d58cf2b20a581759bbc7228052534652673.
TTY drivers using the tty-port abstraction all provide a pointer to a
set of port operations, which specifically cannot be NULL (or we'd find
out at first attempt to open a port).
Revert the recent commit which added unnecessary NULL-checks and whose
commit message indicated that it was fixing a real problem, which it did
not.
Note that even the two tty drivers for virtual devices currently
providing an empty set of operations probably should be implementing at
least some of the callbacks.
Cc: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
Add Milbeaut serial control including earlycon and console.
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
GIO_UNIMAP can easily result in a high order allocation,
seen 6th order allocation on radeondrmfb:
fbcon: radeondrmfb (fb0) is primary device
Console: switching to colour frame buffer device 160x64
radeon 0000:01:05.0: fb0: radeondrmfb frame buffer device
WARNING: CPU: 0 PID: 78661 at mm/page_alloc.c:3532
__alloc_pages_nodemask+0x1b1/0x600
order 6 >= 3, gfp 0x40d0
The warning is generated by a debug patch.
At the same time it's safe to use kvmalloc() for allocation in
con_get_unimap(), so let's do the substitution.
And do the same for con_set_unimap().
Signed-off-by: Konstantin Khorenko <khorenko@virtuozzo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
'default n' is the default value for any bool or tristate Kconfig
setting so there is no need to write it explicitly.
Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
is not set' for visible symbols") the Kconfig behavior is the same
regardless of 'default n' being present or not:
...
One side effect of (and the main motivation for) this change is making
the following two definitions behave exactly the same:
config FOO
bool
config FOO
bool
default n
With this change, neither of these will generate a
'# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
That might make it clearer to people that a bare 'default n' is
redundant.
...
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
when dma_request_chan rx_dma fails, dev_err log should print rx_dma
err log.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
The return from tty_write_room could potentially be negative if
a tty write_room driver returns an error number (not that any seem
to do). Rather than just check for a zero return, also check for
a -ve return. This avoids the unsigned nr being set to a large unsigned
value on the assignment from variable space and can lead to overflowing
the buffer buf. Better to be safe than assume all write_room
implementations in tty drivers are going to do the right thing.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
Commit 008258d995a6 ("clocksource/drivers/timer-ti-dm: Make
omap_dm_timer_set_load_start() static") made omap_dm_time_set_load_start
static because its prototype was not defined in a header. Unfortunately,
this causes a build warning on multi_v7_defconfig because this function
is not used anywhere in this translation unit:
drivers/clocksource/timer-ti-dm.c:589:12: error: unused function
'omap_dm_timer_set_load_start' [-Werror,-Wunused-function]
In fact, omap_dm_timer_set_load_start hasn't been used anywhere since
commit f190be7f39a5 ("staging: tidspbridge: remove driver") and the
prototype was removed in commit 592ea6bd1fad ("clocksource: timer-ti-dm:
Make unexported functions static"), which is probably where this should
have happened.
Fixes: 592ea6bd1fad ("clocksource: timer-ti-dm: Make unexported functions static")
Fixes: 008258d995a6 ("clocksource/drivers/timer-ti-dm: Make omap_dm_timer_set_load_start() static")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
|
|
Unexpected out-of-bound data will be read in erofs_read_raw_page
after commit 07173c3ec276 ("block: enable multipage bvecs") since
one iovec could have multiple pages.
Let's fix as what Ming's pointed out in the previous email [1].
[1] https://lore.kernel.org/lkml/20190411080953.GE421@ming.t460p/
Suggested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Fixes: 07173c3ec276 ("block: enable multipage bvecs")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
`vmk80xx_alloc_usb_buffers()` is called from `vmk80xx_auto_attach()` to
allocate RX and TX buffers for USB transfers. It allocates
`devpriv->usb_rx_buf` followed by `devpriv->usb_tx_buf`. If the
allocation of `devpriv->usb_tx_buf` fails, it frees
`devpriv->usb_rx_buf`, leaving the pointer set dangling, and returns an
error. Later, `vmk80xx_detach()` will be called from the core comedi
module code to clean up. `vmk80xx_detach()` also frees both
`devpriv->usb_rx_buf` and `devpriv->usb_tx_buf`, but
`devpriv->usb_rx_buf` may have already been freed, leading to a
double-free error. Fix it by removing the call to
`kfree(devpriv->usb_rx_buf)` from `vmk80xx_alloc_usb_buffers()`, relying
on `vmk80xx_detach()` to free the memory.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
If `vmk80xx_auto_attach()` returns an error, the core comedi module code
will call `vmk80xx_detach()` to clean up. If `vmk80xx_auto_attach()`
successfully allocated the comedi device private data,
`vmk80xx_detach()` assumes that a `struct semaphore limit_sem` contained
in the private data has been initialized and uses it. Unfortunately,
there are a couple of places where `vmk80xx_auto_attach()` can return an
error after allocating the device private data but before initializing
the semaphore, so this assumption is invalid. Fix it by initializing
the semaphore just after allocating the private data in
`vmk80xx_auto_attach()` before any other errors can be returned.
I believe this was the cause of the following syzbot crash report
<https://syzkaller.appspot.com/bug?extid=54c2f58f15fe6876b6ad>:
usb 1-1: config 0 has no interface number 0
usb 1-1: New USB device found, idVendor=10cf, idProduct=8068, bcdDevice=e6.8d
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
vmk80xx 1-1:0.117: driver 'vmk80xx' failed to auto-configure device.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xe8/0x16e lib/dump_stack.c:113
assign_lock_key kernel/locking/lockdep.c:786 [inline]
register_lock_class+0x11b8/0x1250 kernel/locking/lockdep.c:1095
__lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582
lock_acquire+0x10d/0x2f0 kernel/locking/lockdep.c:4211
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x44/0x60 kernel/locking/spinlock.c:152
down+0x12/0x80 kernel/locking/semaphore.c:58
vmk80xx_detach+0x59/0x100 drivers/staging/comedi/drivers/vmk80xx.c:829
comedi_device_detach+0xed/0x800 drivers/staging/comedi/drivers.c:204
comedi_device_cleanup.part.0+0x68/0x140 drivers/staging/comedi/comedi_fops.c:156
comedi_device_cleanup drivers/staging/comedi/comedi_fops.c:187 [inline]
comedi_free_board_dev.part.0+0x16/0x90 drivers/staging/comedi/comedi_fops.c:190
comedi_free_board_dev drivers/staging/comedi/comedi_fops.c:189 [inline]
comedi_release_hardware_device+0x111/0x140 drivers/staging/comedi/comedi_fops.c:2880
comedi_auto_config.cold+0x124/0x1b0 drivers/staging/comedi/drivers.c:1068
usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
hub_port_connect drivers/usb/core/hub.c:5089 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
port_event drivers/usb/core/hub.c:5350 [inline]
hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432
process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
kthread+0x313/0x420 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Reported-by: syzbot+54c2f58f15fe6876b6ad@syzkaller.appspotmail.com
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-linus
Chanwoo writes:
Update extcon for v5.1-rc4
Detailed description for this pull request:
1. Fix the build issue of extcon-ptn5150.c driver by editing
the module dependency in Kconfig.
* tag 'extcon-fixes-for-5.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon:
extcon: ptn5150: fix COMPILE_TEST dependencies
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