------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: print_daily_error_info+0x0/0x480
WARNING: CPU: 1 PID: 4287 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 1 PID: 4287 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:1045 [inline]
WARNING: CPU: 1 PID: 4287 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x395/0x520 lib/debugobjects.c:1075
Modules linked in:
CPU: 1 PID: 4287 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1045 [inline]
RIP: 0010:debug_check_no_obj_freed+0x395/0x520 lib/debugobjects.c:1075
Code: e8 d0 1a b9 fd 4c 8b 45 00 48 c7 c7 a0 67 df 8a 48 c7 c6 00 64 df 8a 48 c7 c2 00 69 df 8a 8b 4c 24 1c 4d 89 e9 e8 3b 78 33 fd <0f> 0b 4c 8b 6c 24 10 48 b9 00 00 00 00 00 fc ff df ff 05 7c ff 06
RSP: 0018:ffffc90003e37c00 EFLAGS: 00010246
RAX: 64d31fc030277e00 RBX: ffffffff96e56220 RCX: ffff88802ea88000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffffff8a8df4e0 R08: ffffc90003e37887 R09: 1ffff920007c6f10
R10: dffffc0000000000 R11: fffff520007c6f11 R12: 0000000000000001
R13: ffffffff823548b0 R14: ffff8880270f8000 R15: ffff8880270f8728
FS:  0000555555816500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8df0e994e8 CR3: 000000005a25b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 slab_free_hook mm/slub.c:1704 [inline]
 slab_free_freelist_hook+0xd2/0x1b0 mm/slub.c:1755
 slab_free mm/slub.c:3687 [inline]
 __kmem_cache_free+0xb6/0x200 mm/slub.c:3700
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f456c99f317
Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffcf02fccb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f456ca34474 RCX: 00007f456c99f317
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcf02fcd70
RBP: 00007ffcf02fcd70 R08: 00007ffcf02fdd70 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf02fde00
R13: 00007f456ca34474 R14: 000000000001c033 R15: 00007ffcf02fde40
 </TASK>