INFO: task syz.0.2679:14238 blocked for more than 143 seconds.
      Not tainted 6.17.0-rc1-syzkaller-00036-gdfc0f6373094-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2679      state:D
 stack:28352 pid:14238 tgid:14236 ppid:13097  task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1360
 bdev_open+0xe0/0xd30
 bdev_file_open_by_dev+0x1be/0x240
 setup_bdev_super+0x5a/0x5b0
 get_tree_bdev_flags+0x366/0x4d0
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff2a918ebe9
RSP: 002b:00007ff2a9f4c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff2a93b5fa0 RCX: 00007ff2a918ebe9
RDX: 0000200000000180 RSI: 0000200000000000 RDI: 0000200000000080
RBP: 00007ff2a9211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff2a93b6038 R14: 00007ff2a93b5fa0 R15: 00007ffe223e8c48
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e139ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
3 locks held by acpid/5281:
 #0: ffff888125f23160 (&mousedev->mutex#2){+.+.}-{4:4}, at: mousedev_open_device+0x27/0x150
 #1: ffff88810ffc72c0 (&dev->mutex#2){+.+.}-{4:4}, at: input_open_device+0x53/0x390
 #2: ffffffff8e13f978 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
2 locks held by getty/5674:
 #0: ffff888108b1a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
3 locks held by kworker/u8:2/5679:
 #0: ffff888136639f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
 #1: ffff888136624008 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880
 #2: ffff888136625918 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x1ae/0xf30
1 lock held by udevd/5973:
 #0: ffff88810830c358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
2 locks held by syz.0.2679/14238:
 #0: ffff88802e6dc0e0 (&type->s_umount_key#115/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970
 #1: ffff88810830c358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
1 lock held by syz.2.4203/21386:
 #0: ffffffff8e13f978 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3b9/0x730

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.17.0-rc1-syzkaller-00036-gdfc0f6373094-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 40 Comm: kworker/u10:2 Not tainted 6.17.0-rc1-syzkaller-00036-gdfc0f6373094-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__lock_acquire+0x6ba/0xd20
Code: a9 00 00 18 00 0f 84 b3 00 00 00 4c 89 f6 ba 08 00 00 00 e8 88 25 00 00 45 31 ff 85 c0 0f 84 f5 05 00 00 83 3d a6 2d 0e 18 00 <75> 13 48 63 44 24 20 48 0f a3 05 17 9e 0a 12 0f 83 15 05 00 00 31
RSP: 0018:ffffc900006ee5e8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000004 RCX: ffffffff93490888
RDX: 0000000000000008 RSI: ffff88810074e1d0 RDI: ffff88810074d640
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc900006ee838 R11: ffffffff81ac3870 R12: 0000000000000003
R13: 0000000000000001 R14: ffff88810074e1d0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2df18ff8 CR3: 000000010e91e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 lock_acquire+0x120/0x360
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 ieee802_11_parse_elems_full+0x152/0x2ab0
 ieee80211_inform_bss+0x10c/0x10a0
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_ibss_rx_queued_mgmt+0xa36/0x2ae0
 ieee80211_iface_work+0x85f/0x12d0
 cfg80211_wiphy_work+0x2bb/0x470
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
