INFO: task kworker/u4:1:12 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:1    state:D stack:24296 pid:12    ppid:2      flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:0)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
 hfs_find_init+0x16e/0x1f0
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_extend_file+0x31b/0x1440 fs/hfs/extent.c:401
 hfs_bmap_reserve+0xd9/0x3f0 fs/hfs/btree.c:234
 __hfs_ext_write_extent+0x22e/0x4f0 fs/hfs/extent.c:121
 hfs_ext_write_extent+0x154/0x1d0 fs/hfs/extent.c:144
 hfs_write_inode+0xbc/0xec0 fs/hfs/inode.c:431
 write_inode fs/fs-writeback.c:1456 [inline]
 __writeback_single_inode+0x69b/0xfa0 fs/fs-writeback.c:1668
 writeback_sb_inodes+0x8e3/0x11d0 fs/fs-writeback.c:1894
 wb_writeback+0x44d/0xc60 fs/fs-writeback.c:2070
 wb_do_writeback fs/fs-writeback.c:2217 [inline]
 wb_workfn+0x400/0xff0 fs/fs-writeback.c:2257
 process_one_work+0x781/0x1130 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0xabf/0x1060 kernel/workqueue.c:2784
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task syz-executor.0:5384 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:20816 pid:5384  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 wb_wait_for_completion+0x166/0x290 fs/fs-writeback.c:192
 __writeback_inodes_sb_nr+0x2d2/0x370 fs/fs-writeback.c:2650
 sync_filesystem+0xa4/0x220 fs/sync.c:54
 generic_shutdown_super+0x72/0x2c0 fs/super.c:666
 kill_block_super+0x41/0x70 fs/super.c:1646
 deactivate_locked_super+0xa4/0x110 fs/super.c:481
 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:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcec727de57
RSP: 002b:00007fffe71f72a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcec727de57
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fffe71f7360
RBP: 00007fffe71f7360 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffe71f8420
R13: 00007fcec72c73b9 R14: 00000000000130fc R15: 0000000000000004
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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+0x198/0x310 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+0xdf5/0xe40 kernel/hung_task.c:379
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4473 Comm: klogd Not tainted 6.5.0-syzkaller-12107-g7ba2090ca64e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:number+0x66c/0xf90 lib/vsprintf.c:545
Code: 20 80 cb 58 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 08 09 00 00 41 88 1f eb 05 e8 5c e7 c9 f6 49 ff c7 48 8b 5c 24 38 <89> de 83 e6 02 31 ff e8 f8 ea c9 f6 89 d8 83 e0 02 0f 85 be 00 00
RSP: 0018:ffffc90003eaf700 EFLAGS: 00000293
RAX: ffffffff8ac3b018 RBX: 00000000ffff0a00 RCX: ffff88807dd99dc0
RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 00000000ffffffff
RBP: ffffc90003eaf810 R08: ffffffff8ac3b05a R09: 0000000000000000
R10: ffffc90003eaf780 R11: fffff520007d5ef3 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc90003eafba1
FS:  00007f559c1e4380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564e36f1d680 CR3: 0000000027899000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 vsnprintf+0x153d/0x1d80 lib/vsprintf.c:2884
 sprintf+0xda/0x120 lib/vsprintf.c:3022
 print_syslog kernel/printk/printk.c:1322 [inline]
 info_print_prefix+0xde/0x300 kernel/printk/printk.c:1352
 record_print_text kernel/printk/printk.c:1404 [inline]
 syslog_print+0x4b7/0x9b0 kernel/printk/printk.c:1615
 do_syslog+0x505/0x890 kernel/printk/printk.c:1734
 __do_sys_syslog kernel/printk/printk.c:1826 [inline]
 __se_sys_syslog kernel/printk/printk.c:1824 [inline]
 __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1824
 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: 0033:0x7f559c345fa7
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:00007fffb91db978 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f559c4e44a0 RCX: 00007f559c345fa7
RDX: 00000000000003ff RSI: 00007f559c4e44a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: 6cacc52d1558f1d4
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f559c4e44a0
R13: 00007f559c4d4212 R14: 00007f559c4e452c R15: 00007f559c4e452c
 </TASK>