INFO: task syz-executor.1:5039 blocked for more than 143 seconds.
Not tainted 6.4.0-rc3-syzkaller-00278-g49572d536129 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:19480 pid:5039 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
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:642
generic_shutdown_super+0x134/0x340 fs/super.c:500
kill_block_super+0x84/0xf0 fs/super.c:1407
deactivate_locked_super+0xa4/0x110 fs/super.c:331
cleanup_mnt+0x426/0x4c0 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:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f25a1e8d5d7
RSP: 002b:00007ffdd79e6548 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f25a1e8d5d7
RDX: 00007ffdd79e661b RSI: 000000000000000a RDI: 00007ffdd79e6610
RBP: 00007ffdd79e6610 R08: 00000000ffffffff R09: 00007ffdd79e63e0
R10: 0000555556132893 R11: 0000000000000246 R12: 00007f25a1ee6cdc
R13: 00007ffdd79e76d0 R14: 0000555556132810 R15: 00007ffdd79e7710
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf276f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf27ab0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4748:
#0: ffff88802c4b0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
1 lock held by syz-executor.1/5039:
#0: ffff8880386e40e0 (&type->s_umount_key#104){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:361
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc3-syzkaller-00278-g49572d536129 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 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+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:379
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: 2824 Comm: kworker/u4:6 Not tainted 6.4.0-rc3-syzkaller-00278-g49572d536129 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: phy14 ieee80211_iface_work
RIP: 0010:ieee80211_ibss_rx_queued_mgmt+0x1c0/0x2cf0
Code: 18 0f 85 60 02 00 00 e8 9e 44 61 f7 49 bf 00 00 00 00 00 fc ff df e9 6a 02 00 00 e8 8a 44 61 f7 49 bf 00 00 00 00 00 fc ff df <48> 8b bc 24 d8 00 00 00 e8 f3 db 8d 00 48 c7 84 24 e0 00 00 00 0e
RSP: 0018:ffffc9000bd17900 EFLAGS: 00000282
RAX: 3e905a850607f201 RBX: 0000000000000000 RCX: ffffffff81e36e43
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff91be3e10
RBP: ffffc9000bd17bd0 R08: dffffc0000000000 R09: fffffbfff237c7c3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807bc65ad0
R13: dffffc0000000000 R14: ffff88807bc65aae R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d7cb9530b8 CR3: 000000000cd30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_iface_process_skb net/mac80211/iface.c:1594 [inline]
ieee80211_iface_work+0x7bd/0xd00 net/mac80211/iface.c:1648
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308