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We currently move it to the io_wqe_manager for execution, but we cannot
safely do so as we may lack some of the state to execute it out of
context. As we cancel work anyway when the ring/task exits, just mark
this request as canceled and io_async_task_func() will do the right
thing.
Fixes: aa96bf8a9ee3 ("io_uring: use io-wq manager as backup task if task is exiting")
Signed-off-by: Jens Axboe <[email protected]>
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Flushing the EC work while suspended to idle when the EC GPE status
is not set causes some EC wakeup events (notably power button and
lid ones) to be missed after a series of spurious wakeups on the Dell
XPS13 9360 in my office.
If that happens, the machine cannot be woken up from suspend-to-idle
by the power button or lid status change and it needs to be woken up
in some other way (eg. by a key press).
Flushing the EC work only after successful dispatching the EC GPE,
which means that its status has been set, avoids the issue, so change
the code in question accordingly.
Fixes: 7b301750f7f8 ("ACPI: EC: PM: Avoid premature returns from acpi_s2idle_wake()")
Cc: 5.4+ <[email protected]> # 5.4+
Signed-off-by: Rafael J. Wysocki <[email protected]>
Tested-by: Chris Chiu <[email protected]>
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After commit 18c49926c4bf ("cpufreq: Add QoS requests for userspace
constraints") the return value of freq_qos_update_request(), that can
be 1, passed by cpufreq_boost_set_sw() to its caller sometimes
confuses the latter, which only expects to see 0 or negative error
codes, so notice that cpufreq_boost_set_sw() can return an error code
(which should not be -EINVAL for that matter) as soon as the first
policy without a frequency table is found (because either all policies
have a frequency table or none of them have it) and rework it to meet
its caller's expectations.
Fixes: 18c49926c4bf ("cpufreq: Add QoS requests for userspace constraints")
Reported-by: Serge Semin <[email protected]>
Reported-by: Xiongfeng Wang <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Cc: 5.3+ <[email protected]> # 5.3+
Signed-off-by: Rafael J. Wysocki <[email protected]>
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The Gigabyte X570 Aorus Xtreme motherboard with ALC1220 codec
requires a similar workaround for Clevo laptops to enforce the
DAC/mixer connection path. Set up a quirk entry for that.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205275
Signed-off-by: Christian Lachner <[email protected]>
Cc: <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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There is a corner case that ALSA keeps increasing the hw_ptr but DMA
already stop working/updating the position for a long time.
In following log we can see the position returned from DMA driver does
not move at all but the hw_ptr got increased at some point of time so
snd_pcm_avail() will return a large number which seems to be a buffer
underrun event from user space program point of view. The program
thinks there is space in the buffer and fill more data.
[ 418.510086] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 4096 avail 12368
[ 418.510149] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 6910 avail 9554
...
[ 418.681052] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 15102 avail 1362
[ 418.681130] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 16464 avail 0
[ 418.726515] sound pcmC0D5p: pos 96 hw_ptr 16464 appl_ptr 16464 avail 16368
This is because the hw_base will be increased by runtime->buffer_size
frames unconditionally if the hw_ptr is not updated for over half of
buffer time. As the hw_base increases, so does the hw_ptr increased
by the same number.
The avail value returned from snd_pcm_avail() could exceed the limit
(buffer_size) easily becase the hw_ptr itself got increased by same
buffer_size samples when the corner case happens. In following log,
the buffer_size is 16368 samples but the avail is 21810 samples so
CRAS server complains about it.
[ 418.851755] sound pcmC0D5p: pos 96 hw_ptr 16464 appl_ptr 27390 avail 5442
[ 418.926491] sound pcmC0D5p: pos 96 hw_ptr 32832 appl_ptr 27390 avail 21810
cras_server[1907]: pcm_avail returned frames larger than buf_size:
sof-glkda7219max: :0,5: 21810 > 16368
By updating runtime->hw_ptr_jiffies each time the HWSYNC is called,
the hw_base will keep the same when buffer stall happens at long as
the interval between each HWSYNC call is shorter than half of buffer
time.
Following is a log captured by a patched kernel. The hw_base/hw_ptr
value is fixed in this corner case and user space program should be
aware of the buffer stall and handle it.
[ 293.525543] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 4096 avail 12368
[ 293.525606] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 6880 avail 9584
[ 293.525975] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 10976 avail 5488
[ 293.611178] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 15072 avail 1392
[ 293.696429] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 16464 avail 0
...
[ 381.139517] sound pcmC0D5p: pos 96 hw_ptr 96 appl_ptr 16464 avail 0
Signed-off-by: Brent Lu <[email protected]>
Reviewed-by: Jaroslav Kysela <[email protected]>
Cc: <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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'es' is malloced from exfat_get_dentry_set() in exfat_find() and should
be freed before leaving from the error handling cases, otherwise it will
cause memory leak.
Fixes: 5f2aa075070c ("exfat: add inode operations")
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Namjae Jeon <[email protected]>
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Doing copy_file_range() on exfat with a file opened for direct IO leads
to an -EFAULT:
# xfs_io -f -d -c "truncate 32768" \
-c "copy_range -d 16384 -l 16384 -f 0" /mnt/test/junk
copy_range: Bad address
and the reason seems to be that we go through:
default_file_splice_write
splice_from_pipe
__splice_from_pipe
write_pipe_buf
__kernel_write
new_sync_write
generic_file_write_iter
generic_file_direct_write
exfat_direct_IO
do_blockdev_direct_IO
iov_iter_get_pages
and land in iterate_all_kinds(), which does "return -EFAULT" for our kvec
iter.
Setting exfat's splice_write to iter_file_splice_write fixes this and lets
fsx (which originally detected the problem) run to success from
the xfstests harness.
Signed-off-by: Eric Sandeen <[email protected]>
Signed-off-by: Namjae Jeon <[email protected]>
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Pull IPMI update from Corey Minyard:
"Convert i2c_new_device() to i2c_new_client_device()
Wolfram Sang has asked to have this included in 5.7 so the deprecated
API can be removed next release. There should be no functional
difference.
I think that entire this section of code can be removed; it is
leftover from other things that have since changed, but this is the
safer thing to do for now. The full removal can happen next release"
* tag 'for-linus-5.7-2' of git://github.com/cminyard/linux-ipmi:
char: ipmi: convert to use i2c_new_client_device()
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3bfa7e141b0b ("fs/seq_file.c: seq_read(): add info message about buggy .next functions")
showed that we don't use seq_file correctly.
So make sure that our ->next function always updates the position.
Fixes: 7bccd12d27b7 ("ubi: Add debugfs file for tracking PEB state")
Signed-off-by: Richard Weinberger <[email protected]>
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crypto_shash_descsize() returns the size of the shash_desc context
needed to compute the hash, not the size of the hash itself.
crypto_shash_digestsize() would be correct, or alternatively using
c->hash_len and c->hmac_desc_len which already store the correct values.
But actually it's simpler to just use stack arrays, so do that instead.
Fixes: 49525e5eecca ("ubifs: Add helper functions for authentication support")
Fixes: da8ef65f9573 ("ubifs: Authenticate replayed journal")
Cc: <[email protected]> # v4.20+
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Eric Biggers <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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We checked for 'force_nonblock' higher up, so it's definitely false
at this point. Kill the check, it's a remnant of when we tried to do
inline splice without always punting to async context.
Fixes: 2fb3e82284fc ("io_uring: punt splice async because of inode mutex")
Signed-off-by: Jens Axboe <[email protected]>
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The compilation warning below reveals that the errors returned from
the sfp_bus_add_upstream() call are not propagated to the callers.
Fix it by returning "ret".
14:37:51 drivers/net/phy/phy_device.c: In function 'phy_sfp_probe':
14:37:51 drivers/net/phy/phy_device.c:1236:6: warning: variable 'ret'
set but not used [-Wunused-but-set-variable]
14:37:51 1236 | int ret;
14:37:51 | ^~~
Fixes: 298e54fa810e ("net: phy: add core phylib sfp support")
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Commit adb03115f459 ("net: get rid of an signed integer overflow in ip_idents_reserve()")
used atomic_cmpxchg to replace "atomic_add_return" inside the function
"ip_idents_reserve". The reason was to avoid UBSAN warning.
However, this change has caused performance degrade and in GCC-8,
fno-strict-overflow is now mapped to -fwrapv -fwrapv-pointer
and signed integer overflow is now undefined by default at all
optimization levels[1]. Moreover, it was a bug in UBSAN vs -fwrapv
/-fno-strict-overflow, so Let's revert it safely.
[1] https://gcc.gnu.org/gcc-8/changes.html
Suggested-by: Peter Zijlstra <[email protected]>
Suggested-by: Eric Dumazet <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Alexey Kuznetsov <[email protected]>
Cc: Hideaki YOSHIFUJI <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Jiri Pirko <[email protected]>
Cc: Arvind Sankar <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Jiong Wang <[email protected]>
Signed-off-by: Yuqi Jin <[email protected]>
Signed-off-by: Shaokun Zhang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Some more clk driver fixes and one core framework fix:
- A handful of TI driver fixes for bad of_node_put() and incorrect
parent names
- Rockchip rk3228 aclk_gpu* creation was interfering with lima GPU
work so we use a composite clk now
- Resuming from suspend on Tegra Jetson TK1 was broken because an
audio PLL calculated an incorrect rate
- A fix for devicetree probing on IM-PD1 by actually specifying a clk
name which is required to pass clk registration
- Avoid list corruption if registration fails for a critical clk"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: ti: clkctrl: convert subclocks to use proper names also
clk: ti: am33xx: fix RTC clock parent
clk: ti: clkctrl: Fix Bad of_node_put within clkctrl_get_name
clk: tegra: Fix initial rate for pll_a on Tegra124
clk: impd1: Look up clock-output-names
clk: Unlink clock if failed to prepare or enable
clk: rockchip: fix incorrect configuration of rk3228 aclk_gpu* clocks
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Add the missing size and address cells to the b53 example. Otherwise, it may not
compile or issue warnings if directly copied into a device tree.
Signed-off-by: Kurt Kanzenbach <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB fixes for 5.7-rc6
The "largest" in here is a bunch of raw-gadget fixes and api changes
as the driver just showed up in -rc1 and work has been done to fix up
some uapi issues found with the original submission, before it shows
up in a -final release.
Other than that, a bunch of other small USB gadget fixes, xhci fixes,
some quirks, andother tiny fixes for reported issues.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
USB: gadget: fix illegal array access in binding with UDC
usb: core: hub: limit HUB_QUIRK_DISABLE_AUTOSUSPEND to USB5534B
USB: usbfs: fix mmap dma mismatch
usb: host: xhci-plat: keep runtime active when removing host
usb: xhci: Fix NULL pointer dereference when enqueuing trbs from urb sg list
usb: cdns3: gadget: make a bunch of functions static
usb: mtu3: constify struct debugfs_reg32
usb: gadget: udc: atmel: Make some symbols static
usb: raw-gadget: fix null-ptr-deref when reenabling endpoints
usb: raw-gadget: documentation updates
usb: raw-gadget: support stalling/halting/wedging endpoints
usb: raw-gadget: fix gadget endpoint selection
usb: raw-gadget: improve uapi headers comments
usb: typec: mux: intel: Fix DP_HPD_LVL bit field
usb: raw-gadget: fix return value of ep read ioctls
usb: dwc3: select USB_ROLE_SWITCH
usb: gadget: legacy: fix error return code in gncm_bind()
usb: gadget: legacy: fix error return code in cdc_bind()
usb: gadget: legacy: fix redundant initialization warnings
usb: gadget: tegra-xudc: Fix idle suspend/resume
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull execve fix from Eric Biederman:
"While working on my exec cleanups I found a bug in exec that I
introduced by accident a couple of years ago. I apparently missed the
fact that bprm->file can change.
Now I have a very personal motive to clean up exec and make it more
approachable.
The change is just moving woud_dump to where it acts on the final
bprm->file not the initial bprm->file. I have been careful and tested
and verify this fix works"
* 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
exec: Move would_dump into flush_old_exec
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 stack unwinding fix from Thomas Gleixner:
"A single bugfix for the ORC unwinder to ensure that the error flag
which tells the unwinding code whether a stack trace can be trusted or
not is always set correctly.
This was messed up by a couple of changes in the recent past"
* tag 'objtool-urgent-2020-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/unwind/orc: Fix error handling in __unwind_start()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Borislav Petkov:
"A single fix for early boot crashes of kernels built with gcc10 and
stack protector enabled"
* tag 'x86_urgent_for_v5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Fix early boot crash on gcc-10, third try
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For nexthop groups, attributes after NHA_GROUP_TYPE are invalid, but
nh_check_attr_group starts checking at NHA_GROUP. The group type defaults
to multipath and the NHA_GROUP_TYPE is currently optional so this has
slipped through so far. Fix the attribute checking to handle support of
new group types.
Fixes: 430a049190de ("nexthop: Add support for nexthop groups")
Signed-off-by: ASSOGBA Emery <[email protected]>
Signed-off-by: David Ahern <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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I goofed when I added mm->user_ns support to would_dump. I missed the
fact that in the case of binfmt_loader, binfmt_em86, binfmt_misc, and
binfmt_script bprm->file is reassigned. Which made the move of
would_dump from setup_new_exec to __do_execve_file before exec_binprm
incorrect as it can result in would_dump running on the script instead
of the interpreter of the script.
The net result is that the code stopped making unreadable interpreters
undumpable. Which allows them to be ptraced and written to disk
without special permissions. Oops.
The move was necessary because the call in set_new_exec was after
bprm->mm was no longer valid.
To correct this mistake move the misplaced would_dump from
__do_execve_file into flos_old_exec, before exec_mmap is called.
I tested and confirmed that without this fix I can attach with gdb to
a script with an unreadable interpreter, and with this fix I can not.
Cc: [email protected]
Fixes: f84df2a6f268 ("exec: Ensure mm->user_ns contains the execed files")
Signed-off-by: "Eric W. Biederman" <[email protected]>
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As for other not inlined requests, alloc req->io for FORCE_ASYNC reqs,
so they can be prepared properly.
Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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If req->io is not NULL, it's already prepared. Don't do it again,
it's dangerous.
Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Ensure that ctx->sqo_wait is initialized as soon as the ctx is allocated,
instead of deferring it to the offload setup. This fixes a syzbot
reported lockdep complaint, which is really due to trying to wake_up
on an uninitialized wait queue:
RSP: 002b:00007fffb1fb9aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000047b
RBP: 0000000000010475 R08: 0000000000000001 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402260
R13: 00000000004022f0 R14: 0000000000000000 R15: 0000000000000000
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 7090 Comm: syz-executor222 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x188/0x20d lib/dump_stack.c:118
assign_lock_key kernel/locking/lockdep.c:913 [inline]
register_lock_class+0x1664/0x1760 kernel/locking/lockdep.c:1225
__lock_acquire+0x104/0x4c50 kernel/locking/lockdep.c:4234
lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4934
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x8c/0xbf kernel/locking/spinlock.c:159
__wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:122
io_cqring_ev_posted+0xa5/0x1e0 fs/io_uring.c:1160
io_poll_remove_all fs/io_uring.c:4357 [inline]
io_ring_ctx_wait_and_kill+0x2bc/0x5a0 fs/io_uring.c:7305
io_uring_create fs/io_uring.c:7843 [inline]
io_uring_setup+0x115e/0x22b0 fs/io_uring.c:7870
do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x441319
Code: e8 5c ae 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fffb1fb9aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
Reported-by: [email protected]
Signed-off-by: Jens Axboe <[email protected]>
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This fixes the boot issues since 5.3 on several Dell models when the TPM
is enabled. Depending on the exact grub binary, booting the kernel would
freeze early, or just report an error parsing the final events log.
We get an event log in the SHA-1 format, which doesn't have a
tcg_efi_specid_event_head in the first event, and there is a final events
table which doesn't match the crypto agile format.
__calc_tpm2_event_size reads bad "count" and "efispecid->num_algs", and
either fails, or loops long enough for the machine to be appear frozen.
So we now only parse the final events table, which is per the spec always
supposed to be in the crypto agile format, when we got a event log in this
format.
Fixes: c46f3405692de ("tpm: Reserve the TPM final events table")
Fixes: 166a2809d65b2 ("tpm: Don't duplicate events from the final event log in the TCG2 log")
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1779611
Signed-off-by: Loïc Yhuel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Javier Martinez Canillas <[email protected]>
Reviewed-by: Jerry Snitselaar <[email protected]>
Reviewed-by: Matthew Garrett <[email protected]>
[ardb: warn when final events table is missing or in the wrong format]
Signed-off-by: Ard Biesheuvel <[email protected]>
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Pull up arch-specific prototype efi_systab_show_arch() in order to
fix a -Wmissing-prototypes warning:
arch/x86/platform/efi/efi.c:957:7: warning: no previous prototype for
‘efi_systab_show_arch’ [-Wmissing-prototypes]
char *efi_systab_show_arch(char *str)
Signed-off-by: Benjamin Thiel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ard Biesheuvel <[email protected]>
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Pull cifs fixes from Steve French:
"Three small cifs/smb3 fixes, one for stable"
* tag '5.7-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix leaked reference on requeued write
cifs: Fix null pointer check in cifs_read
CIFS: Spelling s/EACCESS/EACCES/
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The iteration count value used in gsi_channel_poll() is intended to
limit poll iterations to the budget supplied as an argument. But
it's never updated.
Fix this bug by incrementing the count each time through the loop.
Reported-by: Sharath Chandra Vurukala <[email protected]>
Signed-off-by: Alex Elder <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When a client moves from a DSA user port to a software port in a bridge,
it cannot reach any other clients that connected to the DSA user ports.
That is because SA learning on the CPU port is disabled, so the switch
ignores the client's frames from the CPU port and still thinks it is at
the user port.
Fix it by enabling SA learning on the CPU port.
To prevent the switch from learning from flooding frames from the CPU
port, set skb->offload_fwd_mark to 1 for unicast and broadcast frames,
and let the switch flood them instead of trapping to the CPU port.
Multicast frames still need to be trapped to the CPU port for snooping,
so set the SA_DIS bit of the MTK tag to 1 when transmitting those frames
to disable SA learning.
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: DENG Qingfang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch fixes the following warning:
=============================
WARNING: suspicious RCU usage
5.7.0-rc4-next-20200507-syzkaller #0 Not tainted
-----------------------------
net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!!
ipmr_new_table() returns an existing table, but there is no table at
init. Therefore the condition: either holding rtnl or the list is empty
is used.
Fixes: d1db275dd3f6e ("ipv6: ip6mr: support multiple tables")
Reported-by: kernel test robot <[email protected]>
Suggested-by: Jakub Kicinski <[email protected]>
Signed-off-by: Madhuparna Bhowmik <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Pull kvm fixes from Paolo Bonzini:
"A new testcase for guest debugging (gdbstub) that exposed a bunch of
bugs, mostly for AMD processors. And a few other x86 fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce
KVM: x86: Fix pkru save/restore when guest CR4.PKE=0, move it to x86.c
KVM: SVM: Disable AVIC before setting V_IRQ
KVM: Introduce kvm_make_all_cpus_request_except()
KVM: VMX: pass correct DR6 for GD userspace exit
KVM: x86, SVM: isolate vcpu->arch.dr6 from vmcb->save.dr6
KVM: SVM: keep DR6 synchronized with vcpu->arch.dr6
KVM: nSVM: trap #DB and #BP to userspace if guest debugging is on
KVM: selftests: Add KVM_SET_GUEST_DEBUG test
KVM: X86: Fix single-step with KVM_SET_GUEST_DEBUG
KVM: X86: Set RTM for DB_VECTOR too for KVM_EXIT_DEBUG
KVM: x86: fix DR6 delivery for various cases of #DB injection
KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- A fix for unrecoverable SLB faults in the interrupt exit path,
introduced by the recent rewrite of interrupt exit in C.
- Four fixes for our KUAP (Kernel Userspace Access Prevention) support
on 64-bit. These are all fairly minor with the exception of the
change to evaluate the get/put_user() arguments before we enable user
access, which reduces the amount of code we run with user access
enabled.
- A fix for our secure boot IMA rules, if enforcement of module
signatures is enabled at runtime rather than build time.
- A fix to our 32-bit VDSO clock_getres() which wasn't falling back to
the syscall for unknown clocks.
- A build fix for CONFIG_PPC_KUAP_DEBUG on 32-bit BookS, and another
for 40x.
Thanks to: Christophe Leroy, Hugh Dickins, Nicholas Piggin, Aurelien
Jarno, Mimi Zohar, Nayna Jain.
* tag 'powerpc-5.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/40x: Make more space for system call exception
powerpc/vdso32: Fallback on getres syscall when clock is unknown
powerpc/32s: Fix build failure with CONFIG_PPC_KUAP_DEBUG
powerpc/ima: Fix secure boot rules in ima arch policy
powerpc/64s/kuap: Restore AMR in fast_interrupt_return
powerpc/64s/kuap: Restore AMR in system reset exception
powerpc/64/kuap: Move kuap checks out of MSR[RI]=0 regions of exit code
powerpc/64s: Fix unrecoverable SLB crashes due to preemption check
powerpc/uaccess: Evaluate macro arguments once, before user access is allowed
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Pull csky updates from Guo Ren:
- fix for copy_from/to_user (a hard-to-find bug, thx Viro)
- fix for calltrace panic without FRAME_POINT
- two fixes for perf
- two build fixes
- four fixes for non-fatal bugs (msa, rm dis_irq, cleanup psr,
gdbmacros.txt)
* tag 'csky-for-linus-5.7-rc6' of git://github.com/c-sky/csky-linux:
csky: Fixup raw_copy_from_user()
csky: Fixup gdbmacros.txt with name sp in thread_struct
csky: Fixup remove unnecessary save/restore PSR code
csky: Fixup remove duplicate irq_disable
csky: Fixup calltrace panic
csky: Fixup perf callchain unwind
csky: Fixup msa highest 3 bits mask
csky: Fixup perf probe -x hungup
csky: Fixup compile error for abiv1 entry.S
csky/ftrace: Fixup error when disable CONFIG_DYNAMIC_FTRACE
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC/dt fixes from Arnd Bergmann:
"This round of fixes is almost exclusively device tree changes, with
trivial defconfig fixes and one compiler warning fix added in.
A number of patches are to fix dtc warnings, in particular on Amlogic,
i.MX and Rockchips.
Other notable changes include:
Renesas:
- Fix a wrong clock configuration on R-Mobile A1
- Fix IOMMU support on R-Car V3H
Allwinner
- Multiple audio fixes
Qualcomm
- Use a safe CPU voltage on MSM8996
- Fixes to match a late audio driver change
Rockchip:
- Some fixes for the newly added Pinebook Pro
NXP i.MX:
- Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board
- Fix imx6dl-yapp4-ursa board Ethernet connection
OMAP:
- A regression fix for non-existing can device on am534x-idk
- Fix flakey wlan on droid4 where some devices would not connect at
all because of internal pull being used with an external pull
- Fix occasional missed wake-up events on droid4 modem uart"
* tag 'arm-soc-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39
ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
arm64: defconfig: add MEDIA_PLATFORM_SUPPORT
arm64: defconfig: ARCH_R8A7795: follow changed config symbol name
arm64: defconfig: add DRM_DISPLAY_CONNECTOR
arm64: defconfig: DRM_DUMB_VGA_DAC: follow changed config symbol name
ARM: oxnas: make ox820_boot_secondary static
ARM: dts: r8a7740: Add missing extal2 to CPG node
ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1
ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio
arm64: dts: allwinner: a64: Remove unused SPDIF sound card
arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name
arm64: dts: meson-g12: remove spurious blank line
arm64: dts: meson-g12b-khadas-vim3: add missing frddr_a status property
arm64: dts: meson-g12-common: fix dwc2 clock names
arm64: dts: meson-g12b-ugoos-am6: fix usb vbus-supply
arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM
ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes
ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
...
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Pull block fix from Jens Axboe:
"Just a single NVMe pull in here, with a single fix for a missing DMA
read memory barrier for completions"
* tag 'block-5.7-2020-05-16' of git://git.kernel.dk/linux-block:
nvme-pci: dma read memory barrier for completions
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"A bunch of pin control fixes, some a bit overly ripe, sorry about
that. We have important systems like Intel laptops and Qualcomm mobile
chips covered.
- Pad lock register on Intel Sunrisepoint had the wrong offset
- Fix pin config setting for the Baytrail GPIO chip
- Fix a compilation warning in the Mediatek driver
- Fix a function group name in the Actions driver
- Fix a behaviour bug in the edge polarity code in the Qualcomm
driver
- Add a missing spinlock in the Intel Cherryview driver
- Add affinity callbacks to the Qualcomm MSMGPIO chip"
* tag 'pinctrl-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: Add affinity callbacks to msmgpio IRQ chip
pinctrl: cherryview: Add missing spinlock usage in chv_gpio_irq_handler
pinctrl: qcom: fix wrong write in update_dual_edge
pinctrl: actions: fix function group name for i2c0_group
pinctrl: mediatek: remove shadow variable declaration
pinctrl: baytrail: Enable pin configuration setting for GPIO chip
pinctrl: sunrisepoint: Fix PAD lock register offset for SPT-H
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Pull io_uring fixes from Jens Axboe:
"Two small fixes that should go into this release:
- Check and handle zero length splice (Pavel)
- Fix a regression in this merge window for fixed files used with
polled block IO"
* tag 'io_uring-5.7-2020-05-15' of git://git.kernel.dk/linux-block:
io_uring: polled fixed file must go through free iteration
io_uring: fix zero len do_splice()
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Pull NVMe fix from Christoph.
* 'nvme-5.7' of git://git.infradead.org/nvme:
nvme-pci: dma read memory barrier for completions
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Fix the following coccicheck warning:
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c:518:9-10: WARNING: return of 0/1
in function 'vmw_fence_obj_signaled' with return type bool
Signed-off-by: Jason Yan <[email protected]>
Signed-off-by: Roland Scheidegger <[email protected]>
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The variable ret is being initialized with a value that is never read
and it is being updated later with a new value. The initialization
is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Roland Scheidegger <[email protected]>
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The parameter name should be interruptible instead of interuptable.
Signed-off-by: Guixiong Wei <[email protected]>
Signed-off-by: Roland Scheidegger <[email protected]>
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Maintainer switch from Thomas Hellstrom to Roland Scheidegger
Reviewed-by: Charmaine Lee <[email protected]>
Reviewed-by: Neha Bhende <[email protected]>
Acked-by: Thomas Hellstrom <[email protected]>
Signed-off-by: Roland Scheidegger <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes
Renesas fixes for v5.7 (take two)
- Fix a wrong clock configuration on R-Mobile A1,
- Minor fixes that are fast-tracked to avoid introducing regressions
during conversion of DT bindings to json-schema.
* tag 'renesas-fixes-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39
ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
ARM: dts: r8a7740: Add missing extal2 to CPG node
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
Two fixes for the Allwinner SoCs, one to remove some inexistant sound card on
the A64, and one to fix the audio codec regulator on the pinetab.
* tag 'sunxi-fixes-for-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm64: dts: allwinner: a64: Remove unused SPDIF sound card
arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name
Link: https://lore.kernel.org/r/f7a98a47-316d-4b1a-b5a5-0e1e330d5f52.lettre@localhost
Signed-off-by: Arnd Bergmann <[email protected]>
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- nfs: fix NULL deference in nfs4_get_valid_delegation
Bugfixes:
- Fix corruption of the return value in cachefiles_read_or_alloc_pages()
- Fix several fscache cookie issues
- Fix a fscache queuing race that can trigger a BUG_ON
- NFS: Fix two use-after-free regressions due to the RPC_TASK_CRED_NOREF flag
- SUNRPC: Fix a use-after-free regression in rpc_free_client_work()
- SUNRPC: Fix a race when tearing down the rpc client debugfs directory
- SUNRPC: Signalled ASYNC tasks need to exit
- NFSv3: fix rpc receive buffer size for MOUNT call"
* tag 'nfs-for-5.7-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv3: fix rpc receive buffer size for MOUNT call
SUNRPC: 'Directory with parent 'rpc_clnt' already present!'
NFS/pnfs: Don't use RPC_TASK_CRED_NOREF with pnfs
NFS: Don't use RPC_TASK_CRED_NOREF with delegreturn
SUNRPC: Signalled ASYNC tasks need to exit
nfs: fix NULL deference in nfs4_get_valid_delegation
SUNRPC: fix use-after-free in rpc_free_client_work()
cachefiles: Fix race between read_waiter and read_copier involving op->to_do
NFSv4: Fix fscache cookie aux_data to ensure change_attr is included
NFS: Fix fscache super_cookie allocation
NFS: Fix fscache super_cookie index_key from changing after umount
cachefiles: Fix corruption of the return value in cachefiles_read_or_alloc_pages()
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Pull networking fixes from David Miller:
1) Fix sk_psock reference count leak on receive, from Xiyu Yang.
2) CONFIG_HNS should be invisible, from Geert Uytterhoeven.
3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this,
from Maciej Żenczykowski.
4) ipv4 route redirect backoff wasn't actually enforced, from Paolo
Abeni.
5) Fix netprio cgroup v2 leak, from Zefan Li.
6) Fix infinite loop on rmmod in conntrack, from Florian Westphal.
7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet.
8) Various bpf probe handling fixes, from Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
selftests: mptcp: pm: rm the right tmp file
dpaa2-eth: properly handle buffer size restrictions
bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier
bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range
bpf: Restrict bpf_probe_read{, str}() only to archs where they work
MAINTAINERS: Mark networking drivers as Maintained.
ipmr: Add lockdep expression to ipmr_for_each_table macro
ipmr: Fix RCU list debugging warning
drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c
net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810
tcp: fix error recovery in tcp_zerocopy_receive()
MAINTAINERS: Add Jakub to networking drivers.
MAINTAINERS: another add of Karsten Graul for S390 networking
drivers: ipa: fix typos for ipa_smp2p structure doc
pppoe: only process PADT targeted at local interfaces
selftests/bpf: Enforce returning 0 for fentry/fexit programs
bpf: Enforce returning 0 for fentry/fexit progs
net: stmmac: fix num_por initialization
security: Fix the default value of secid_to_secctx hook
libbpf: Fix register naming in PT_REGS s390 macros
...
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Pull rdma fixes from Jason Gunthorpe:
"A few minor bug fixes for user visible defects, and one regression:
- Various bugs from static checkers and syzkaller
- Add missing error checking in mlx4
- Prevent RTNL lock recursion in i40iw
- Fix segfault in cxgb4 in peer abort cases
- Fix a regression added in 5.7 where the IB_EVENT_DEVICE_FATAL could
be lost, and wasn't delivered to all the FDs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/uverbs: Move IB_EVENT_DEVICE_FATAL to destroy_uobj
RDMA/uverbs: Do not discard the IB_EVENT_DEVICE_FATAL event
RDMA/iw_cxgb4: Fix incorrect function parameters
RDMA/core: Fix double put of resource
IB/core: Fix potential NULL pointer dereference in pkey cache
IB/hfi1: Fix another case where pq is left on waitlist
IB/i40iw: Remove bogus call to netdev_master_upper_dev_get()
IB/mlx4: Test return value of calls to ib_get_cached_pkey
RDMA/rxe: Always return ERR_PTR from rxe_create_mmap_info()
i40iw: Fix error handling in i40iw_manage_arp_cache()
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- lkdtm runner fixes to prevent dmesg clearing and shellcheck errors
- ftrace test handling when test module doesn't exist
- nsfs test fix to replace zero-length array with flexible-array
- dmabuf-heaps test fix to return clear error value
* tag 'linux-kselftest-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/lkdtm: Use grep -E instead of egrep
selftests/lkdtm: Don't clear dmesg when running tests
selftests/ftrace: mark irqsoff_tracer.tc test as unresolved if the test module does not exist
tools/testing: Replace zero-length array with flexible-array
kselftests: dmabuf-heaps: Fix confused return value on expected error testing
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"A handful of build fixes, all found by Huawei's autobuilder.
None of these patches should have any functional impact on kernels
that build, and they're mostly related to various features
intermingling with !MMU.
While some of these might be better hoisted to generic code, it seems
better to have the simple fixes in the meanwhile.
As far as I know these are the only outstanding patches for 5.7"
* tag 'riscv-for-linus-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: mmiowb: Fix implicit declaration of function 'smp_processor_id'
riscv: pgtable: Fix __kernel_map_pages build error if NOMMU
riscv: Make SYS_SUPPORTS_HUGETLBFS depends on MMU
riscv: Disable ARCH_HAS_DEBUG_VIRTUAL if NOMMU
riscv: Add pgprot_writecombine/device and PAGE_SHARED defination if NOMMU
riscv: stacktrace: Fix undefined reference to `walk_stackframe'
riscv: Fix unmet direct dependencies built based on SOC_VIRT
riscv: perf: RISCV_BASE_PMU should be independent
riscv: perf_event: Make some funciton static
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