INFO: task syz-executor.4:3838 blocked for more than 143 seconds.
      Tainted: G        W         5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27504 pid: 3838 ppid:  3631 flags:0x20004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4995 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6304
 schedule+0xd2/0x1f0 kernel/sched/core.c:6376
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
 io_wq_exit_workers fs/io-wq.c:1264 [inline]
 io_wq_put_and_exit+0x4d6/0xe40 fs/io-wq.c:1299
 io_uring_clean_tctx fs/io_uring.c:10512 [inline]
 io_uring_cancel_generic+0x60b/0x695 fs/io_uring.c:10582
 io_uring_files_cancel include/linux/io_uring.h:18 [inline]
 do_exit+0x4f9/0x29d0 kernel/exit.c:761
 do_group_exit+0xd2/0x2f0 kernel/exit.c:936
 get_signal+0x45a/0x2490 kernel/signal.c:2903
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:186 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:221
 __syscall_exit_to_user_mode_work kernel/entry/common.c:303 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:314
 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6f53549
RSP: 002b:00000000f594d68c EFLAGS: 00000246 ORIG_RAX: 00000000000000f0
RAX: 0000000000000001 RBX: 00000000f70affac RCX: 0000000000000081
RDX: 00000000000f4240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000f6f6f9c9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Tainted: G        W         5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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+0x47/0x144 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xc1d/0xf50 kernel/hung_task.c:369
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7 Comm: kworker/u4:0 Tainted: G        W         5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy9 ieee80211_iface_work
RIP: 0010:unwind_next_frame+0x148d/0x1ce0 arch/x86/kernel/unwind_orc.c:617
Code: d2 0f 95 c0 40 84 c6 0f 85 31 05 00 00 49 0f bf 00 48 01 44 24 60 e9 ea f1 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 <48> c1 ea 03 80 3c 02 00 0f 85 f6 03 00 00 49 8d 7e 08 49 8b 6e 38
RSP: 0018:ffffc90000cc7778 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffff92000198ef7 RCX: 1ffff92000198f12
RDX: ffffc90000cc7888 RSI: ffffc90000cc7e30 RDI: ffffc90000cc7e30
RBP: 0000000000000001 R08: ffffffff8e1129da R09: 0000000000000001
R10: fffff52000198f15 R11: 0000000000088078 R12: ffffc90000cc7e60
R13: ffffc90000cc7885 R14: ffffc90000cc7850 R15: ffffc90000cc7884
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00203e7f0 CR3: 0000000071eaa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:215 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754
 slab_free mm/slub.c:3509 [inline]
 kmem_cache_free+0xd7/0x370 mm/slub.c:3526
 kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:700
 kfree_skb_reason+0x85/0x110 include/linux/refcount.h:279
 kfree_skb include/linux/skbuff.h:1114 [inline]
 ieee80211_iface_work+0x413/0xd00 net/mac80211/iface.c:1583
 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
 worker_thread+0x657/0x1110 kernel/workqueue.c:2454
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess):
   0:	d2 0f                	rorb   %cl,(%rdi)
   2:	95                   	xchg   %eax,%ebp
   3:	c0 40 84 c6          	rolb   $0xc6,-0x7c(%rax)
   7:	0f 85 31 05 00 00    	jne    0x53e
   d:	49 0f bf 00          	movswq (%r8),%rax
  11:	48 01 44 24 60       	add    %rax,0x60(%rsp)
  16:	e9 ea f1 ff ff       	jmpq   0xfffff205
  1b:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  22:	fc ff df
  25:	48 8b 54 24 08       	mov    0x8(%rsp),%rdx
* 2a:	48 c1 ea 03          	shr    $0x3,%rdx <-- trapping instruction
  2e:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  32:	0f 85 f6 03 00 00    	jne    0x42e
  38:	49 8d 7e 08          	lea    0x8(%r14),%rdi
  3c:	49 8b 6e 38          	mov    0x38(%r14),%rbp