INFO: task syz-executor.3:1175 blocked for more than 143 seconds.
      Not tainted 5.11.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26536 pid: 1175 ppid:  8491 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4313 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5064
 schedule+0xcf/0x270 kernel/sched/core.c:5143
 io_uring_cancel_files fs/io_uring.c:8846 [inline]
 io_uring_cancel_task_requests fs/io_uring.c:8918 [inline]
 __io_uring_files_cancel+0xc38/0xfe0 fs/io_uring.c:9004
 io_uring_files_cancel include/linux/io_uring.h:51 [inline]
 do_exit+0x2fe/0x2ae0 kernel/exit.c:780
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x3e9/0x20a0 kernel/signal.c:2770
 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:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
RSP: 002b:00007fecf76e2be8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: fffffffffffffffc RBX: 0000000020000080 RCX: 000000000045e219
RDX: 00000000206d4000 RSI: 0000000020000080 RDI: 0000000000000082
RBP: 000000000119bfd8 R08: 0000000020000400 R09: 0000000020000400
R10: 0000000020000000 R11: 0000000000000206 R12: 00000000206d4000
R13: 00000000206d9000 R14: 0000000020000400 R15: 0000000020000000

Showing all locks held in the system:
1 lock held by khungtaskd/1652:
 #0: ffffffff8b373920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6254
1 lock held by in:imklog/8163:
 #0: ffff888011699c70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:947
1 lock held by syz-executor.3/1175:
 #0: ffff888025a27070 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread_park fs/io_uring.c:7407 [inline]
 #0: ffff888025a27070 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread_park fs/io_uring.c:7402 [inline]
 #0: ffff888025a27070 (&sqd->lock){+.+.}-{3:3}, at: io_uring_cancel_task_requests fs/io_uring.c:8909 [inline]
 #0: ffff888025a27070 (&sqd->lock){+.+.}-{3:3}, at: __io_uring_files_cancel+0x2b8/0xfe0 fs/io_uring.c:9004

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

NMI backtrace for cpu 1
CPU: 1 PID: 1652 Comm: khungtaskd Not tainted 5.11.0-rc3-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+0x107/0x163 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+0xd43/0xfa0 kernel/hung_task.c:294
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 216 Comm: kworker/u4:3 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy12 ieee80211_iface_work
RIP: 0010:slab_alloc_node mm/slub.c:2874 [inline]
RIP: 0010:slab_alloc mm/slub.c:2899 [inline]
RIP: 0010:__kmalloc+0x18b/0x3e0 mm/slub.c:3966
Code: 48 8b 01 48 83 79 10 00 48 89 04 24 0f 84 c4 01 00 00 48 85 c0 0f 84 bb 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f 48 8b 1c 08 <0f> 85 c5 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 84 c0 74 a3
RSP: 0018:ffffc900012cf460 EFLAGS: 00000246
RAX: ffff88801b3ab500 RBX: ffff88801b3ab480 RCX: 0000000000000020
RDX: 00000000001fb388 RSI: 00000000001fb388 RDI: 00000000000384f0
RBP: ffff8880100418c0 R08: 0000000000000001 R09: ffffc900012cf748
R10: fffff52000259f21 R11: 0000000000000000 R12: 0000000000000a20
R13: 0000000000000028 R14: ffffffff885c2381 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f85226000 CR3: 000000001b2a8000 CR4: 0000000000350ef0
Call Trace:
 kmalloc include/linux/slab.h:557 [inline]
 ieee802_11_parse_elems_crc+0x121/0xfe0 net/mac80211/util.c:1473
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2039 [inline]
 ieee80211_rx_mgmt_probe_beacon+0x188/0x16b0 net/mac80211/ibss.c:1612
 ieee80211_ibss_rx_queued_mgmt+0xe3e/0x1870 net/mac80211/ibss.c:1642
 ieee80211_iface_work+0x761/0x9e0 net/mac80211/iface.c:1423
 process_one_work+0x98d/0x15f0 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:296