loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): get root inode failed
EXT4-fs (loop0): mount failed
------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88803d4d26d8 object type: timer_list hint: print_daily_error_info+0x0/0x490
WARNING: CPU: 0 PID: 5118 at lib/debugobjects.c:518 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515
Modules linked in:
CPU: 0 UID: 0 PID: 5118 Comm: syz.0.0 Not tainted 6.11.0-rc6-syzkaller-00308-gb31c44928842 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515
Code: e8 0b 84 40 fd 4c 8b 0b 48 c7 c7 40 98 60 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 fb 60 9b fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 ec 59 5e 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90002dff7d8 EFLAGS: 00010286
RAX: ad682b607a78d800 RBX: ffffffff8c0cc1a0 RCX: ffff888000a98000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8c6099c0 R08: ffffffff8155b372 R09: 1ffff11003fc519a
R10: dffffc0000000000 R11: ffffed1003fc519b R12: 0000000000000000
R13: ffffffff8c6098d8 R14: dffffc0000000000 R15: ffff88803d4d26d8
FS:  00007f0458bfc6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc190395ed8 CR3: 000000001feaa000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
 debug_check_no_obj_freed+0x45b/0x580 lib/debugobjects.c:1020
 slab_free_hook mm/slub.c:2223 [inline]
 slab_free mm/slub.c:4477 [inline]
 kfree+0x10f/0x360 mm/slub.c:4598
 ext4_free_sbi fs/ext4/super.c:4286 [inline]
 ext4_fill_super+0x2b34/0x6df0 fs/ext4/super.c:5689
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0457d7e69a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0458bfbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0458bfbef0 RCX: 00007f0457d7e69a
RDX: 00000000200004c0 RSI: 0000000020000500 RDI: 00007f0458bfbeb0
RBP: 00000000200004c0 R08: 00007f0458bfbef0 R09: 0000000001000410
R10: 0000000001000410 R11: 0000000000000246 R12: 0000000020000500
R13: 00007f0458bfbeb0 R14: 00000000000004eb R15: 0000000020000080
 </TASK>