Bad inode number on dev loop0: 2 is out of range
SysV FS: get root inode failed
oldfs: cannot read superblock
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 5310 at fs/buffer.c:1235 __brelse fs/buffer.c:1235 [inline]
WARNING: CPU: 0 PID: 5310 at fs/buffer.c:1235 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 0 PID: 5310 at fs/buffer.c:1235 __invalidate_bh_lrus fs/buffer.c:1504 [inline]
WARNING: CPU: 0 PID: 5310 at fs/buffer.c:1235 invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1517
Modules linked in:
CPU: 0 UID: 0 PID: 5310 Comm: syz-executor316 Not tainted 6.12.0-rc7-syzkaller-00070-g0a9b9d17f3a7 #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:__brelse fs/buffer.c:1235 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:324 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1504 [inline]
RIP: 0010:invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1517
Code: f4 4e db ff 3e ff 0b eb 25 e8 ea 6f 71 ff 41 80 3c 2e 00 75 2a eb 30 e8 dc 6f 71 ff 90 48 c7 c7 a0 8f 19 8c e8 3f 66 32 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
RSP: 0018:ffffc9000ced7a08 EFLAGS: 00010046
RAX: e515f0818504e700 RBX: ffff88804623fb40 RCX: ffff88801ed50000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8155e312 R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff88801fc39940
R13: 0000000000000000 R14: 1ffff11003f87328 R15: ffff88801fc39940
FS:  000055558ca18380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056044a152618 CR3: 00000000427c2000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 csd_do_func kernel/smp.c:134 [inline]
 smp_call_function_many_cond+0x1760/0x2ca0 kernel/smp.c:875
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
 kill_bdev block/bdev.c:90 [inline]
 blkdev_flush_mapping+0xfe/0x270 block/bdev.c:671
 blkdev_put_whole block/bdev.c:678 [inline]
 bdev_release+0x460/0x700 block/bdev.c:1103
 blkdev_release+0x15/0x20 block/fops.c:639
 __fput+0x23f/0x880 fs/file_table.c:431
 task_work_run+0x24f/0x310 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b886a0dea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffefffab258 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffea RBX: 00007ffefffab270 RCX: 00007f1b886a0dea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffefffab270
RBP: 0000000000000004 R08: 00007ffefffab2b0 R09: 0000000000009eaf
R10: 0000000002000412 R11: 0000000000000282 R12: 0000000002000412
R13: 00007ffefffab2b0 R14: 0000000000000003 R15: 0000000000010000
 </TASK>