Bad inode number on dev loop3: 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: 1 PID: 6563 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline] WARNING: CPU: 1 PID: 6563 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline] WARNING: CPU: 1 PID: 6563 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline] WARNING: CPU: 1 PID: 6563 at fs/buffer.c:1145 invalidate_bh_lru+0xf8/0x1a0 fs/buffer.c:1393 Modules linked in: CPU: 1 PID: 6563 Comm: syz.3.553 Not tainted 6.1.115-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__brelse fs/buffer.c:1145 [inline] RIP: 0010:brelse include/linux/buffer_head.h:326 [inline] RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1380 [inline] RIP: 0010:invalidate_bh_lru+0xf8/0x1a0 fs/buffer.c:1393 Code: 00 e8 1c a7 e0 ff f0 ff 0b eb 21 e8 92 22 89 ff 41 80 3c 2e 00 75 26 eb 2c e8 84 22 89 ff 48 c7 c7 e0 0d 1a 8b e8 48 3c 51 ff <0f> 0b 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c 89 ff RSP: 0018:ffffc90006027768 EFLAGS: 00010046 RAX: 4ce1a8c035f10600 RBX: ffff8880752956b8 RCX: 0000000000040000 RDX: ffffc90006131000 RSI: 00000000000144e3 RDI: 00000000000144e4 RBP: 0000000000000000 R08: ffffffff8152afae R09: ffffed10171e4f1c R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f368f8 R13: 0000000000000000 R14: 1ffff110171e6d1f R15: ffff8880b8f368f8 FS: 00007fbbcf6396c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbbce7618a0 CR3: 000000007ca9b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many_cond+0x1d26/0x3460 kernel/smp.c:989 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1166 kill_bdev block/bdev.c:75 [inline] blkdev_flush_mapping+0x14a/0x2b0 block/bdev.c:664 blkdev_put_whole block/bdev.c:695 [inline] blkdev_put+0x4c0/0x750 block/bdev.c:955 deactivate_locked_super+0xa0/0x110 fs/super.c:332 mount_bdev+0x2e5/0x3f0 fs/super.c:1445 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fbbce77feba 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:00007fbbcf638e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fbbcf638ef0 RCX: 00007fbbce77feba RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fbbcf638eb0 RBP: 0000000020000000 R08: 00007fbbcf638ef0 R09: 0000000002000412 R10: 0000000002000412 R11: 0000000000000246 R12: 0000000020000100 R13: 00007fbbcf638eb0 R14: 0000000000009eb5 R15: 0000000020000040