INFO: task syz-executor.0:5103 blocked for more than 143 seconds.
Not tainted 6.2.0-syzkaller-12913-gae3419fbac84 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:21224 pid:5103 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0x17d8/0x4990 kernel/sched/core.c:6622
schedule+0xc3/0x180 kernel/sched/core.c:6698
schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
gfs2_gl_hash_clear+0x1a3/0x310 fs/gfs2/glock.c:2198
gfs2_put_super+0x827/0x890 fs/gfs2/super.c:633
generic_shutdown_super+0x134/0x340 fs/super.c:491
kill_block_super+0x7e/0xe0 fs/super.c:1398
deactivate_locked_super+0xa4/0x110 fs/super.c:331
cleanup_mnt+0x490/0x520 fs/namespace.c:1177
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x2e0 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f21e488d567
RSP: 002b:00007ffddbdf4a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f21e488d567
RDX: 00007ffddbdf4b2a RSI: 000000000000000a RDI: 00007ffddbdf4b20
RBP: 00007ffddbdf4b20 R08: 00000000ffffffff R09: 00007ffddbdf48f0
R10: 0000555555af78b3 R11: 0000000000000246 R12: 00007f21e48e6b24
R13: 00007ffddbdf5be0 R14: 0000555555af7810 R15: 00007ffddbdf5c20
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d127c70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d128470 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/27:
#0: ffffffff8d127aa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4753:
#0: ffff88814a815098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.0/5103:
#0: ffff8880219400e0 (&type->s_umount_key#97){+.+.}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:361
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.2.0-syzkaller-12913-gae3419fbac84 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e5/0x560 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1b4/0x410 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x1024/0x1070 kernel/hung_task.c:379
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.2.0-syzkaller-12913-gae3419fbac84 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Workqueue: phy7 ieee80211_iface_work
RIP: 0010:mark_held_locks kernel/locking/lockdep.c:4225 [inline]
RIP: 0010:__trace_hardirqs_on_caller kernel/locking/lockdep.c:4263 [inline]
RIP: 0010:lockdep_hardirqs_on_prepare+0x3ba/0x7a0 kernel/locking/lockdep.c:4322
Code: 00 0f 94 c2 83 f2 07 48 8b 7c 24 10 48 89 de e8 dc a2 00 00 48 ba 00 00 00 00 00 fc ff df 85 c0 74 7e 49 ff c5 41 0f b6 04 17 <84> c0 75 33 49 63 06 48 83 c3 28 49 83 c4 28 49 39 c5 7c 99 eb 60
RSP: 0018:ffffc90000107a40 EFLAGS: 00000002
RAX: 0000000000000000 RBX: ffff8880167f44b8 RCX: ffffffff816c5bca
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff904f02b0
RBP: ffffc90000107ae8 R08: dffffc0000000000 R09: fffffbfff209e057
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880167f44d8
R13: 0000000000000001 R14: ffff8880167f44b0 R15: 1ffff11002cfe896
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000d19000 CR3: 000000000cf30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_on+0x28/0x40 kernel/trace/trace_preemptirq.c:61
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
_raw_spin_unlock_irqrestore+0x8f/0x140 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:405 [inline]
skb_dequeue+0x113/0x150 net/core/skbuff.c:3565
ieee80211_iface_work+0x199/0xd00 net/mac80211/iface.c:1631
process_one_work+0x915/0x13a0 kernel/workqueue.c:2390
worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308