INFO: task syz-executor.5:10512 blocked for more than 143 seconds.
      Not tainted 5.12.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:26080 pid:10512 ppid:  8438 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4324 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5075
 schedule+0xcf/0x270 kernel/sched/core.c:5154
 io_uring_cancel_files fs/io_uring.c:8699 [inline]
 io_uring_cancel_task_requests+0x9d9/0xc40 fs/io_uring.c:8730
 __io_uring_files_cancel+0x110/0x1b0 fs/io_uring.c:8816
 io_uring_files_cancel include/linux/io_uring.h:47 [inline]
 do_exit+0x299/0x2a60 kernel/exit.c:780
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x42c/0x2100 kernel/signal.c:2773
 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x148/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f69
RSP: 002b:00007f17a7a39218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000056bf68 RCX: 0000000000465f69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf68
RBP: 000000000056bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf6c
R13: 00007ffd74f4a8ff R14: 00007f17a7a39300 R15: 0000000000022000

Showing all locks held in the system:
2 locks held by kworker/u4:4/546:
 #0: ffff8880b9c35198 (&rq->lock){-.-.}-{2:2}, at: newidle_balance+0x789/0xe50 kernel/sched/fair.c:10633
 #1: ffffc9000287fda8 ((work_completion)(&(&bat_priv->orig_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
1 lock held by khungtaskd/1659:
 #0: ffffffff8bf74220 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6327
1 lock held by in:imklog/8101:
 #0: ffff88801c0319f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:961

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1659 Comm: khungtaskd Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
 watchdog+0xd48/0xfb0 kernel/hung_task.c:294
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 158 Comm: kworker/u4:3 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy11 ieee80211_iface_work
RIP: 0010:check_kcov_mode+0x7/0x40 kernel/kcov.c:163
Code: fe ff ff 48 89 df e8 38 0c 44 00 e9 a1 fe ff ff 48 8b 3c 24 e8 2a 0c 44 00 e9 18 fe ff ff cc cc cc cc cc 65 8b 05 09 58 8e 7e <89> c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b
RSP: 0018:ffffc9000152f340 EFLAGS: 00000206
RAX: 0000000080000000 RBX: 0000000000000001 RCX: 0000000000000013
RDX: 0000000000000000 RSI: ffff888011995340 RDI: 0000000000000003
RBP: 0000000000000071 R08: ffffffff8a84bda0 R09: ffffffff886279ad
R10: 000000000000002b R11: 0000000000000001 R12: ffff888011995340
R13: 0000000000000001 R14: ffff888082b0a87d R15: ffff888082b0a87c
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdfc440b000 CR3: 0000000017bf4000 CR4: 0000000000350ef0
Call Trace:
 write_comp_data kernel/kcov.c:218 [inline]
 __sanitizer_cov_trace_switch+0x63/0xf0 kernel/kcov.c:320
 _ieee802_11_parse_elems_crc+0x2cd/0x22c0 net/mac80211/util.c:1083
 ieee802_11_parse_elems_crc+0x89e/0xfe0 net/mac80211/util.c:1486
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2041 [inline]
 ieee80211_rx_mgmt_probe_beacon+0x188/0x16b0 net/mac80211/ibss.c:1612
 ieee80211_ibss_rx_queued_mgmt+0xe43/0x1870 net/mac80211/ibss.c:1642
 ieee80211_iface_work+0x761/0x9e0 net/mac80211/iface.c:1439
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294