INFO: task kworker/0:8:3711 blocked for more than 143 seconds.
Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8 state:D stack:25176 pid:3711 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5194 [inline]
__schedule+0xbd2/0x55b0 kernel/sched/core.c:6506
schedule+0xda/0x1b0 kernel/sched/core.c:6582
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6641
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
device_lock include/linux/device.h:835 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1135 [inline]
ath9k_hif_usb_firmware_cb+0x3a9/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1268
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x32f/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc6b/0xfc0 kernel/hung_task.c:369
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2975 Comm: udevd Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:236
Code: df 85 7e 81 e2 00 01 ff 00 75 10 65 48 8b 04 25 80 6f 02 00 48 8b 80 88 15 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <65> 8b 05 b9 df 85 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49
RSP: 0018:ffffc9000319fe40 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000fe0 RCX: ffffffff81d4cc81
RDX: ffff8880779f53ff RSI: ffff8880779f4420 RDI: 0000000000000006
RBP: ffff8880779f5400 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000fe0 R11: 0000000000000000 R12: ffff8880779f4420
R13: 0000000000000000 R14: ffff8880779f53ff R15: ffffffff8de09810
FS: 00007ff9f09d7840(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8a01b7d1b8 CR3: 00000000264f8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
check_bogus_address mm/usercopy.c:153 [inline]
__check_object_size mm/usercopy.c:222 [inline]
__check_object_size+0x61/0x5a0 mm/usercopy.c:212
check_object_size include/linux/thread_info.h:199 [inline]
strncpy_from_user+0xaa/0x3c0 lib/strncpy_from_user.c:137
getname_flags.part.0+0x95/0x4f0 fs/namei.c:150
getname_flags include/linux/audit.h:320 [inline]
getname fs/namei.c:218 [inline]
__do_sys_unlink fs/namei.c:4345 [inline]
__se_sys_unlink fs/namei.c:4343 [inline]
__x64_sys_unlink+0xb1/0x110 fs/namei.c:4343
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+0x63/0xcd
RIP: 0033:0x7ff9f05272d7
Code: f0 ff ff 73 01 c3 48 8b 0d 9e db 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 db 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fff356aca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9f05272d7
RDX: 0000000000000000 RSI: 000000003e1ba880 RDI: 000055c2110650d8
RBP: 000055c212d04300 R08: 000000003e1f8720 R09: 00007fff3570d080
R10: 00007fff3570d090 R11: 0000000000000202 R12: 0000000000000bb8
R13: 000055c212d19350 R14: 0000000000000000 R15: 0000000000000000