INFO: task kworker/0:0:10562 blocked for more than 143 seconds.
Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D
stack:22144 pid:10562 tgid:10562 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x1042/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1014 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1161 [inline]
ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1294
request_firmware_work_func+0x13a/0x250 drivers/base/firmware_loader/main.c:1197
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task udevd:19499 blocked for more than 144 seconds.
Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:23808 pid:19499 tgid:19499 ppid:2859 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x1042/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1014 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2736
dev_attr_show+0x53/0xe0 drivers/base/core.c:2430
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4f4/0x12b0 fs/seq_file.c:230
kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:488 [inline]
vfs_read+0x87f/0xbe0 fs/read_write.c:569
ksys_read+0x12f/0x260 fs/read_write.c:712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb099587b6a
RSP: 002b:00007ffc51615128 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000056036ea72c90 RCX: 00007fb099587b6a
RDX: 0000000000001000 RSI: 000056036eac5870 RDI: 0000000000000008
RBP: 000056036ea72c90 R08: 0000000000000008 R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffc51615608 R15: 000000000000000a
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff88ebb140
(
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
2 locks held by getty/2919:
#0: ffff88810aaf50a0
(
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1:
ffffc900000432f0
(&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
4 locks held by kworker/1:6/6848:
3 locks held by kworker/0:0/10562:
#0:
ffff888100080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90012557d80 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810af85190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88810af85190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1161 [inline]
#2: ffff88810af85190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1294
1 lock held by syz-executor/17624:
#0: ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
4 locks held by udevd/19499:
#0: ffff888120acb8b8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
#1: ffff88810b320488 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff88810dfd3698 (kn->active#4){++++}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2736
1 lock held by syz-executor/24665:
#0: ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
1 lock held by syz-executor/24678:
2 locks held by syz-executor/24685:
#0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline]
#0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1505 [inline]
#0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1804 [inline]
#0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x293/0x34b0 kernel/sched/core.c:6589
#1: ffff8881000a0018 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x26b/0x1080 kernel/workqueue.c:2299
2 locks held by kworker/u8:5/24739:
#0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90008377d80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
1 lock held by modprobe/25440:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5231 Comm: kworker/1:3 Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events drain_vmap_area_work
RIP: 0010:pvclock_read_begin arch/x86/include/asm/pvclock.h:25 [inline]
RIP: 0010:__pvclock_clocksource_read arch/x86/kernel/pvclock.c:76 [inline]
RIP: 0010:pvclock_clocksource_read_nowd+0x11/0x100 arch/x86/kernel/pvclock.c:120
Code: 01 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 54 55 53 48 89 fb 48 83 ec 10 8b 17 <83> e2 fe 41 89 d4 0f 01 f9 66 90 48 c1 e2 20 8b 6b 18 48 09 c2 48
RSP: 0018:ffffc9000246f8f0 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffffffff8c413040 RCX: ffffffff81a5a868
RDX: 0000000000000010 RSI: ffffffff81b2c781 RDI: ffffffff8c413040
RBP: 0000000000000000 R08: 0000000000000000 R09: fffff940008b0466
R10: ffffea0004582337 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0004582300 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff296806440 CR3: 0000000008ca0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kvm_sched_clock_read+0x11/0x20 arch/x86/kernel/kvmclock.c:91
local_clock_noinstr+0xd/0xe0 kernel/sched/clock.c:301
local_clock+0x10/0x30 kernel/sched/clock.c:315
__reset_page_owner+0x26/0x400 mm/page_owner.c:288
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1108 [inline]
free_unref_page+0x58a/0xb50 mm/page_alloc.c:2638
kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408
apply_to_pte_range mm/memory.c:2817 [inline]
apply_to_pmd_range mm/memory.c:2861 [inline]
apply_to_pud_range mm/memory.c:2897 [inline]
apply_to_p4d_range mm/memory.c:2933 [inline]
__apply_to_page_range+0x5fd/0xd30 mm/memory.c:2967
kasan_release_vmalloc+0xac/0xc0 mm/kasan/shadow.c:525
purge_vmap_node+0x3fb/0x930 mm/vmalloc.c:2204
__purge_vmap_area_lazy+0x9c5/0xc00 mm/vmalloc.c:2288
drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2322
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244