ODEBUG: free active (active state 0) object type: timer_list hint: print_daily_error_info+0x0/0x1b0 fs/ext4/super.c:1334
WARNING: CPU: 1 PID: 10155 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 1 PID: 10155 Comm: syz-executor.0 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 a0 7a de 88 4c 89 ee 48 c7 c7 a0 6e de 88 e8 2d ac 83 04 <0f> 0b 83 05 25 22 bb 08 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc9000aae7968 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff88de6a80 RDI: fffff5200155cf1f
RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba14c1a7
R10: ffffed1017429834 R11: 0000000000000001 R12: ffffffff888cc5a0
R13: ffffffff88de74e0 R14: ffffffff8159dc50 R15: dffffc0000000000
FS:  00007fa6ccdfb700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe522baf98 CR3: 0000000021931000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x742/0xbac0 fs/ext4/super.c:5182
 mount_bdev+0x2cb/0x3b0 fs/super.c:1367
 legacy_get_tree+0xfa/0x1f0 fs/fs_context.c:592
 vfs_get_tree+0x7f/0x2c0 fs/super.c:1497
 do_new_mount fs/namespace.c:2903 [inline]
 path_mount+0x7f3/0x1a40 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+0x1f5/0x260 fs/namespace.c:3431
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x467b0a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa6ccdfafa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fa6ccdfb000
RBP: 00007fa6ccdfb040 R08: 00007fa6ccdfb040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fa6ccdfb000 R15: 0000000020013a00