------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: print_daily_error_info+0x0/0x490
WARNING: CPU: 1 PID: 15131 at lib/debugobjects.c:517 debug_print_object lib/debugobjects.c:514 [inline]
WARNING: CPU: 1 PID: 15131 at lib/debugobjects.c:517 __debug_check_no_obj_freed lib/debugobjects.c:1021 [inline]
WARNING: CPU: 1 PID: 15131 at lib/debugobjects.c:517 debug_check_no_obj_freed+0x467/0x630 lib/debugobjects.c:1052
Modules linked in:
CPU: 1 PID: 15131 Comm: syz-executor.1 Not tainted 6.1.69-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:debug_print_object lib/debugobjects.c:514 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1021 [inline]
RIP: 0010:debug_check_no_obj_freed+0x467/0x630 lib/debugobjects.c:1052
Code: 0a e8 3d 72 a5 fd 48 8b 7c 24 08 48 8b 13 4c 8b 07 48 c7 c7 c0 01 3d 8b 48 c7 c6 e0 fe 3c 8b 44 89 f1 4d 89 f9 e8 39 fe 15 fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df 4c 89 e7 ff 05 8c ff 36 0a 48
RSP: 0018:ffffc9000365f6c0 EFLAGS: 00010246
RAX: 250aeb225eb9cd00 RBX: ffffffff8b3d0238 RCX: ffff88801b94d940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888157e3de4c R08: ffffffff81527dae R09: fffff520006cbe39
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022194698
R13: ffffffff91eb2e38 R14: 0000000000000000 R15: ffffffff824a2c30
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556d5cda8 CR3: 000000009921d000 CR4: 00000000003506e0
Call Trace:
<TASK>
slab_free_hook mm/slub.c:1699 [inline]
slab_free_freelist_hook mm/slub.c:1750 [inline]
slab_free mm/slub.c:3661 [inline]
__kmem_cache_free+0x205/0x3c0 mm/slub.c:3674
generic_shutdown_super+0x130/0x340 fs/super.c:501
kill_block_super+0x7a/0xe0 fs/super.c:1459
deactivate_locked_super+0xa0/0x110 fs/super.c:332
cleanup_mnt+0x490/0x520 fs/namespace.c:1186
task_work_run+0x246/0x300 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa73/0x26a0 kernel/exit.c:869
do_group_exit+0x202/0x2b0 kernel/exit.c:1019
get_signal+0x16f7/0x17d0 kernel/signal.c:2862
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
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+0x60/0x270 kernel/entry/common.c:297
ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:299
RIP: 0033:0x7f9f7f67cce9
Code: Unable to access opcode bytes at 0x7f9f7f67ccbf.
RSP: 002b:00007f9f8030b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007f9f7f79bf80 RCX: 00007f9f7f67cce9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f9f7f6c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9f7f79bf80 R15: 00007ffd5af6a228
</TASK>