INFO: task syz-executor.5:10376 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:29416 pid:10376 ppid:5073   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 bfs_lookup+0x158/0x2c0 fs/bfs/dir.c:136
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f84f6c7cae9
RSP: 002b:00007f84f797d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f84f6d9c050 RCX: 00007f84f6c7cae9
RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f84f6cc847a R08: 0000000020000200 R09: 0000000000000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f84f6d9c050 R15: 00007ffdac287048
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xfac/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 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: 11364 Comm: syz-executor.4 Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 56 50 9d 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 8b 05 fd ea 7b 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc9000a4ef830 EFLAGS: 00000202
RAX: ffffc9000a4ef888 RBX: ffffffff8a8d7be0 RCX: ffffffff8a326943
RDX: ffff88802a41bb80 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000a4efab3 R08: 0000000000000001 R09: 0000000000000000
R10: 000000000000005b R11: 00000000000244b8 R12: 000000000000005b
R13: ffffffff8a8d7be0 R14: ffffc9000a4ef920 R15: ffffc9000a4efab3
FS:  00007f54d56096c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54d55a5f00 CR3: 000000006787a000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 vsnprintf+0x130/0x1870 lib/vsprintf.c:2770
 sprintf+0xcd/0x100 lib/vsprintf.c:3022
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x258/0x350 kernel/printk/printk.c:1353
 get_record_print_text_size+0x9c/0x120 kernel/printk/printk.c:1490
 find_first_fitting_seq+0x197/0x230 kernel/printk/printk.c:1538
 syslog_print_all+0x195/0x3f0 kernel/printk/printk.c:1667
 do_syslog+0x4fd/0x580 kernel/printk/printk.c:1746
 __do_sys_syslog kernel/printk/printk.c:1824 [inline]
 __se_sys_syslog kernel/printk/printk.c:1822 [inline]
 __x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1822
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f54d487cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f54d56090c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f54d499bf80 RCX: 00007f54d487cae9
RDX: 00000000000000d9 RSI: 0000000020001440 RDI: 0000000000000003
RBP: 00007f54d48c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f54d499bf80 R15: 00007fff93edfc68
 </TASK>