INFO: task syz-executor.5:5070 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:20424 pid:5070  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6710
 schedule+0xc3/0x180 kernel/sched/core.c:6786
 schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
 gfs2_gl_hash_clear+0x1a3/0x310 fs/gfs2/glock.c:2198
 gfs2_put_super+0x833/0x8a0 fs/gfs2/super.c:657
 generic_shutdown_super+0x134/0x340 fs/super.c:499
 kill_block_super+0x68/0xa0 fs/super.c:1417
 deactivate_locked_super+0xa4/0x110 fs/super.c:330
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 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: 0033:0x7fcacd87de17
RSP: 002b:00007ffdfbc54f28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcacd87de17
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffdfbc54fe0
RBP: 00007ffdfbc54fe0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdfbc560a0
R13: 00007fcacd8c73b9 R14: 000000000003bde4 R15: 0000000000000004
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
 #0: ffffffff8d328db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
 #0: ffffffff8d329170 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
 #0: ffffffff8d328be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4779:
 #0: ffff88814aaad098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187
1 lock held by syz-executor.5/5070:
 #0: ffff8880789ce0e0 (&type->s_umount_key#70){+.+.}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:360

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

NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __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:160 [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:389
 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4460 Comm: klogd Not tainted 6.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:format_decode+0x5bf/0x1bb0 lib/vsprintf.c:2568
Code: 49 c1 ef 03 43 0f b6 04 37 84 c0 0f 85 bc 00 00 00 41 0f b6 5d 00 48 89 df 48 c7 c6 80 f6 80 8e e8 86 2e d5 f6 83 fb 2a 7e 24 <83> fb 2b 74 60 83 fb 30 74 39 83 fb 2d 0f 85 f4 00 00 00 e8 a9 29
RSP: 0018:ffffc900030ef720 EFLAGS: 00000216
RAX: 0000000000000000 RBX: 0000000000000036 RCX: 000000008b0b4d00
RDX: 0000000000000005 RSI: ffffffff8e80f680 RDI: 0000000000000036
RBP: ffffc900030ef810 R08: 0000000000000001 R09: ffffffff8ab67dba
R10: 0000000000000005 R11: ffff88807dfcbb80 R12: ffffffff8b0b4dc8
R13: ffffffff8b0b4dc8 R14: dffffc0000000000 R15: 1ffffffff16169b9
FS:  00007fdd3e2ca380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055da5d235680 CR3: 0000000029e01000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 vsnprintf+0x14a/0x1d80 lib/vsprintf.c:2769
 sprintf+0xda/0x120 lib/vsprintf.c:3021
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x16b/0x300 kernel/printk/printk.c:1353
 record_print_text kernel/printk/printk.c:1402 [inline]
 syslog_print+0x4b7/0x9b0 kernel/printk/printk.c:1613
 do_syslog+0x505/0x890 kernel/printk/printk.c:1732
 __do_sys_syslog kernel/printk/printk.c:1824 [inline]
 __se_sys_syslog kernel/printk/printk.c:1822 [inline]
 __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1822
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdd3e42bfa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fff44bddff8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007fdd3e5ca4a0 RCX: 00007fdd3e42bfa7
RDX: 00000000000003ff RSI: 00007fdd3e5ca4a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: 6078101aaaf2b836
R10: 0000000000004000 R11: 0000000000000206 R12: 00007fdd3e5ca4a0
R13: 00007fdd3e5ba212 R14: 00007fdd3e5ca503 R15: 00007fdd3e5ca503
 </TASK>