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ODEBUG: free active (active state 0) object type: timer_list hint: print_daily_error_info+0x0/0x4b0 fs/ext4/ext4.h:2034
WARNING: CPU: 1 PID: 9209 at lib/debugobjects.c:508 debug_print_object lib/debugobjects.c:505 [inline]
WARNING: CPU: 1 PID: 9209 at lib/debugobjects.c:508 __debug_check_no_obj_freed lib/debugobjects.c:987 [inline]
WARNING: CPU: 1 PID: 9209 at lib/debugobjects.c:508 debug_check_no_obj_freed+0x44b/0x650 lib/debugobjects.c:1018
Modules linked in:
CPU: 0 PID: 9209 Comm: syz-executor530 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_print_object lib/debugobjects.c:505 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:987 [inline]
RIP: 0010:debug_check_no_obj_freed+0x44b/0x650 lib/debugobjects.c:1018
Code: 4c 89 ef e8 97 17 ee fd 4d 8b 45 00 48 c7 c7 40 dd 0d 8a 48 c7 c6 60 d9 0d 8a 48 89 da 44 89 f1 4d 89 f9 31 c0 e8 55 1c 7a fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df ff 05 3f 93 e6 09 48 8b 5c 24
RSP: 0018:ffffc90003437a40 EFLAGS: 00010246
RAX: 814ee5cb1cecab00 RBX: ffffffff8a0ddf00 RCX: ffff88802fb2d340
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff8880122f04e8 R08: ffffffff815fb522 R09: ffffed10173a4004
R10: ffffed10173a4004 R11: 0000000000000000 R12: ffff8880122f04e4
R13: ffffffff89b0ac20 R14: 0000000000000000 R15: ffffffff821bc530
FS:  00007f5f3f028700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004b36c1 CR3: 000000001adc5000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 slab_free_hook mm/slub.c:1539 [inline]
 slab_free_freelist_hook+0xc6/0x1a0 mm/slub.c:1580
 slab_free mm/slub.c:3143 [inline]
 kfree+0xd1/0x2a0 mm/slub.c:4125
 ext4_fill_super+0x2200/0xfbe0 fs/ext4/super.c:5175
 mount_bdev+0x26c/0x3a0 fs/super.c:1366
 legacy_get_tree+0xea/0x180 fs/fs_context.c:592
 vfs_get_tree+0x86/0x270 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x17ad/0x2a00 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x28c/0x320 fs/namespace.c:3409
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45617a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 58 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5f3f028168 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5f3f0281c0 RCX: 000000000045617a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f5f3f028180
RBP: 0000000000000012 R08: 00007f5f3f0281c0 R09: 00007f5f3f0286b8
R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5f3f028180
R13: 00000000200003b0 R14: 0000000000000003 R15: 0000000000000004