Bad inode number on dev loop3: 2 is out of range SysV FS: get root inode failed ------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 7531 at fs/buffer.c:1229 __brelse+0x71/0xa0 fs/buffer.c:1229 Modules linked in: CPU: 0 UID: 0 PID: 7531 Comm: syz.3.336 Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__brelse+0x71/0xa0 fs/buffer.c:1229 Code: e8 64 8e 75 ff 48 89 df be 04 00 00 00 e8 17 3a dc ff f0 ff 0b eb 17 e8 4d 8e 75 ff 90 48 c7 c7 a0 1b 19 8c e8 00 3e 36 ff 90 <0f> 0b 90 90 5b 5d e9 0f 57 c6 fe 89 d9 80 e1 07 80 c1 03 38 c1 7c RSP: 0018:ffffc9000c6cfb60 EFLAGS: 00010246 RAX: e68a1db2eb5cec00 RBX: ffff88805856f7a0 RCX: 0000000000080000 RDX: ffffc90014e6b000 RSI: 000000000000d6e3 RDI: 000000000000d6e4 RBP: 0000000000000000 R08: ffffffff81802a82 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88805856f740 R13: ffff88807d70e000 R14: 0000000000000000 R15: ffff888029701400 FS: 00007f8d74ebf6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4eef516700 CR3: 0000000061470000 CR4: 0000000000350ef0 Call Trace: brelse include/linux/buffer_head.h:324 [inline] sysv_fill_super+0x622/0x710 fs/sysv/super.c:417 mount_bdev+0x20c/0x2d0 fs/super.c:1693 legacy_get_tree+0xf0/0x190 fs/fs_context.c:662 vfs_get_tree+0x92/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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: 0033:0x7f8d73f8e4ca 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:00007f8d74ebee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f8d74ebeef0 RCX: 00007f8d73f8e4ca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f8d74ebeeb0 RBP: 0000000020000000 R08: 00007f8d74ebeef0 R09: 0000000002000412 R10: 0000000002000412 R11: 0000000000000246 R12: 0000000020000100 R13: 00007f8d74ebeeb0 R14: 0000000000009eb5 R15: 0000000020000140