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ODEBUG: free active (active state 0) object type: timer_list hint: print_daily_error_info+0x0/0x1f0 fs/ext4/super.c:1334
WARNING: CPU: 1 PID: 10375 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 10375 Comm: syz-executor177 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 60 1e c2 89 4c 89 ee 48 c7 c7 60 12 c2 89 e8 d8 a4 f8 04 <0f> 0b 83 05 15 48 fa 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc90009d47980 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff888030f11bc0 RSI: ffffffff815c0975 RDI: fffff520013a8f22
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b970e R11: 0000000000000000 R12: ffffffff896d7de0
R13: ffffffff89c218a0 R14: ffffffff81629950 R15: dffffc0000000000
FS:  00007fad53cd5700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff13c6d5c8 CR3: 0000000020a2f000 CR4: 0000000000350ef0
Call Trace:
 __debug_check_no_obj_freed lib/debugobjects.c:987 [inline]
 debug_check_no_obj_freed+0x301/0x420 lib/debugobjects.c:1018
 slab_free_hook mm/slub.c:1554 [inline]
 slab_free_freelist_hook+0x147/0x210 mm/slub.c:1600
 slab_free mm/slub.c:3161 [inline]
 kfree+0xe5/0x7f0 mm/slub.c:4213
 ext4_fill_super+0x84f/0xded0 fs/ext4/super.c:5182
 mount_bdev+0x34d/0x410 fs/super.c:1367
 legacy_get_tree+0x105/0x220 fs/fs_context.c:592
 vfs_get_tree+0x89/0x2f0 fs/super.c:1497
 do_new_mount fs/namespace.c:2903 [inline]
 path_mount+0x132a/0x1f90 fs/namespace.c:3233
 do_mount fs/namespace.c:3246 [inline]
 __do_sys_mount fs/namespace.c:3454 [inline]
 __se_sys_mount fs/namespace.c:3431 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3431
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x44d83a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 d8 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fad53cd5078 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fad53cd50d0 RCX: 000000000044d83a
RDX: 0000000020000100 RSI: 0000000020000180 RDI: 00007fad53cd5090
RBP: 0000000000000003 R08: 00007fad53cd50d0 R09: 00007fad53cd56bc
R10: 0000000000000000 R11: 0000000000000202 R12: 00007fad53cd5090
R13: 0000000020000248 R14: 0000000000000003 R15: 0000000000000004