INFO: task syz-executor.2:5120 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:19896 pid:5120 ppid:1 flags:0x00004004
Call Trace:
__schedule+0x13ca/0x43c0
schedule+0xc3/0x190
schedule_timeout+0x1ae/0x300
gfs2_gl_hash_clear+0x192/0x300
gfs2_put_super+0x827/0x890
generic_shutdown_super+0x134/0x310
kill_block_super+0x7e/0xe0
deactivate_locked_super+0xa4/0x110
cleanup_mnt+0x490/0x520
task_work_run+0x24a/0x300
exit_to_user_mode_loop+0xd1/0xf0
exit_to_user_mode_prepare+0xb1/0x140
syscall_exit_to_user_mode+0x54/0x2d0
do_syscall_64+0x4d/0xc0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff3adc8d567
RSP: 002b:00007ffef27f99b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff3adc8d567
RDX: 00007ffef27f9a8b RSI: 000000000000000a RDI: 00007ffef27f9a80
RBP: 00007ffef27f9a80 R08: 00000000ffffffff R09: 00007ffef27f9850
R10: 00005555563108b3 R11: 0000000000000246 R12: 00007ff3adce6b24
R13: 00007ffef27fab40 R14: 0000555556310810 R15: 00007ffef27fab80
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf26e10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf27610 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0
1 lock held by khungtaskd/28:
#0: ffffffff8cf26c40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by syslogd/4417:
2 locks held by getty/4745:
#0: ffff88814a365098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1630
1 lock held by syz-executor.2/5120:
#0: ffff888079fae0e0 (&type->s_umount_key#100){+.+.}-{3:3}, at: deactivate_super+0xad/0xf0
2 locks held by kworker/u4:8/9518:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
dump_stack_lvl+0x1b5/0x2a0
nmi_cpu_backtrace+0x47b/0x500
nmi_trigger_cpumask_backtrace+0x1d3/0x430
watchdog+0xf70/0xfb0
kthread+0x270/0x300
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9518 Comm: kworker/u4:8 Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: phy4 ieee80211_iface_work
RIP: 0010:unwind_next_frame+0x37/0x22b0
Code: 53 48 81 ec a8 00 00 00 48 89 fb 49 bc 00 00 00 00 00 fc ff df 48 8d 6f 48 48 89 e8 48 c1 e8 03 48 89 44 24 38 42 80 3c 20 00 <74> 08 48 89 ef e8 df 1a a2 00 48 89 6c 24 18 4c 8b 73 48 4c 8d 6b
RSP: 0018:ffffc90005916d00 EFLAGS: 00000246
RAX: 1ffff92000b22dc5 RBX: ffffc90005916de0 RCX: ffffffff8f95e000
RDX: dffffc0000000000 RSI: ffffffff8a11204e RDI: ffffc90005916de0
RBP: ffffc90005916e28 R08: 0000000000000006 R09: ffffc90005916eb0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffffff81781a60 R14: ffffc90005916ea0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0034de1c8 CR3: 0000000021942000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0xab/0xe0
stack_trace_save+0x10a/0x1e0
kasan_save_stack+0x2f/0x50
__kasan_record_aux_stack+0xb0/0xc0
kvfree_call_rcu+0x114/0x870
cfg80211_update_known_bss+0x16b/0x9e0
cfg80211_bss_update+0x171/0x2090
cfg80211_inform_bss_frame_data+0xacc/0x2520
ieee80211_bss_info_update+0x7fe/0x1090
ieee80211_ibss_rx_queued_mgmt+0x1b25/0x2fb0
ieee80211_iface_work+0x7bd/0xd00
process_one_work+0x96c/0x13e0
worker_thread+0xa63/0x1210
kthread+0x270/0x300
ret_from_fork+0x1f/0x30