INFO: task kworker/u4:4:91 blocked for more than 149 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:4    state:D stack:24056 pid:91    ppid:2      flags:0x00004000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
 __synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:1215
 fsnotify_connector_destroy_workfn+0x49/0xa0 fs/notify/mark.c:208
 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
 </TASK>
INFO: task kworker/u4:5:2453 blocked for more than 150 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:5    state:D stack:27104 pid:2453  ppid:2      flags:0x00004000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
 __synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:1215
 fsnotify_mark_destroy_workfn+0xfd/0x3c0 fs/notify/mark.c:898
 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
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 <TASK>
 __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:220 [inline]
 watchdog+0xc71/0xfc0 kernel/hung_task.c:377
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: phy5 ieee80211_iface_work
RIP: 0010:__pvclock_read_cycles arch/x86/include/asm/pvclock.h:86 [inline]
RIP: 0010:pvclock_clocksource_read+0x89/0x530 arch/x86/kernel/pvclock.c:76
Code: 0f 85 8b 04 00 00 48 8d 43 08 8b 0b 48 bd 00 00 00 00 00 fc ff df 48 8d 7b 1c 48 89 44 24 10 48 c1 e8 03 48 8d 53 1b 49 89 c5 <48> 89 f8 48 89 7c 24 18 4c 8d 4b 0f 48 c1 e8 03 48 89 14 24 49 01
RSP: 0018:ffffc90000b779e0 EFLAGS: 00000016
RAX: 1ffffffff1eaba09 RBX: ffffffff8f55d040 RCX: 0000000000000006
RDX: ffffffff8f55d05b RSI: ffffffff81c90570 RDI: ffffffff8f55d05c
RBP: dffffc0000000000 R08: ffffffff8e5bd456 R09: ffffc90000b77a44
R10: fffff5200016ef4d R11: 000000000008c07e R12: ffffffff8f55d043
R13: 1ffffffff1eaba09 R14: 0000000000000000 R15: ffffffff91244478
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6c3c9ad988 CR3: 0000000040739000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 kvm_clock_read arch/x86/kernel/kvmclock.c:79 [inline]
 kvm_sched_clock_read+0x14/0x40 arch/x86/kernel/kvmclock.c:91
 sched_clock_cpu+0x69/0x2b0 kernel/sched/clock.c:369
 local_clock include/linux/sched/clock.h:84 [inline]
 metadata_update_state+0x187/0x2b0 mm/kfence/core.c:291
 kfence_guarded_free+0x108/0x930 mm/kfence/core.c:492
 __kfence_free+0xad/0x1c0 mm/kfence/core.c:1080
 do_slab_free mm/slub.c:3615 [inline]
 slab_free mm/slub.c:3662 [inline]
 kmem_cache_free+0x58d/0x5b0 mm/slub.c:3683
 kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:812
 __kfree_skb net/core/skbuff.c:869 [inline]
 kfree_skb_reason+0x193/0x4b0 net/core/skbuff.c:891
 kfree_skb include/linux/skbuff.h:1216 [inline]
 ieee80211_iface_work+0x353/0xd30 net/mac80211/iface.c:1686
 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
 </TASK>