assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4367 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4367! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5066 Comm: syz-executor.4 Not tainted 6.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:close_ctree+0x907/0xd40 fs/btrfs/disk-io.c:4367 Code: f7 e9 29 f9 ff ff e8 b8 69 c1 f6 48 c7 c7 e0 b0 4a 8b 48 c7 c6 c0 df 4a 8b 48 c7 c2 60 b1 4a 8b b9 0f 11 00 00 e8 39 99 ff ff <0f> 0b e8 92 69 c1 f6 48 c7 c7 e0 b0 4a 8b 48 c7 c6 60 e0 4a 8b 48 RSP: 0018:ffffc90003c3fb40 EFLAGS: 00010246 RAX: 0000000000000051 RBX: ffff888068d9cd48 RCX: 0fc7612e7ebdfb00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90003c3fcd8 R08: ffffffff817109dc R09: 1ffff92000787f08 R10: dffffc0000000000 R11: fffff52000787f09 R12: ffff888068d9cfb0 R13: ffff888068d9c000 R14: 1ffff1100d1b3a5e R15: 0000000000000000 FS: 0000555557533480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0936ab1000 CR3: 000000007513d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_shutdown_super+0x13a/0x2c0 fs/super.c:693 kill_anon_super+0x3b/0x70 fs/super.c:1292 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2148 deactivate_locked_super+0xa4/0x110 fs/super.c:481 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254 task_work_run+0x24a/0x300 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7eff7687de17 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe8ba76558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007eff7687de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe8ba76610 RBP: 00007ffe8ba76610 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe8ba776d0 R13: 00007eff768c73b9 R14: 000000000004afce R15: 0000000000000009 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:close_ctree+0x907/0xd40 fs/btrfs/disk-io.c:4367 Code: f7 e9 29 f9 ff ff e8 b8 69 c1 f6 48 c7 c7 e0 b0 4a 8b 48 c7 c6 c0 df 4a 8b 48 c7 c2 60 b1 4a 8b b9 0f 11 00 00 e8 39 99 ff ff <0f> 0b e8 92 69 c1 f6 48 c7 c7 e0 b0 4a 8b 48 c7 c6 60 e0 4a 8b 48 RSP: 0018:ffffc90003c3fb40 EFLAGS: 00010246 RAX: 0000000000000051 RBX: ffff888068d9cd48 RCX: 0fc7612e7ebdfb00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90003c3fcd8 R08: ffffffff817109dc R09: 1ffff92000787f08 R10: dffffc0000000000 R11: fffff52000787f09 R12: ffff888068d9cfb0 R13: ffff888068d9c000 R14: 1ffff1100d1b3a5e R15: 0000000000000000 FS: 0000555557533480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc01c5f010 CR3: 000000007513d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400