assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4344 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4344! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 5192 Comm: syz-executor359 Not tainted 6.7.0-rc8-syzkaller-00024-gac865f00af29 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:close_ctree+0xd6f/0xf90 fs/btrfs/disk-io.c:4344 Code: e9 b0 fb ff ff e8 01 51 10 fe b9 f8 10 00 00 48 c7 c2 80 47 16 8b 48 c7 c6 40 82 16 8b 48 c7 c7 00 48 16 8b e8 12 2d f3 fd 90 <0f> 0b e8 da 50 10 fe b9 01 11 00 00 48 c7 c2 80 47 16 8b 48 c7 c6 RSP: 0018:ffffc900036c7bf8 EFLAGS: 00010286 RAX: 0000000000000051 RBX: ffff888029fd8d50 RCX: ffffffff816957c9 RDX: 0000000000000000 RSI: ffffffff8169dc72 RDI: 0000000000000005 RBP: ffff888029fd8010 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888029f20758 R14: ffff888029fd8000 R15: ffff888014eafb00 FS: 00005555566ba380(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe9bb76f48 CR3: 000000001c59f000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_shutdown_super+0x161/0x3d0 fs/super.c:696 kill_anon_super+0x3a/0x60 fs/super.c:1295 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2100 deactivate_locked_super+0xbc/0x1a0 fs/super.c:484 deactivate_super+0xde/0x100 fs/super.c:517 cleanup_mnt+0x222/0x450 fs/namespace.c:1256 task_work_run+0x14d/0x240 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x217/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f5efd738637 Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd8a78d818 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000035b78 RCX: 00007f5efd738637 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd8a78d8d0 RBP: 00007ffd8a78d8d0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd8a78e940 R13: 00005555566bb6c0 R14: 431bde82d7b634db R15: 00007ffd8a78e960 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:close_ctree+0xd6f/0xf90 fs/btrfs/disk-io.c:4344 Code: e9 b0 fb ff ff e8 01 51 10 fe b9 f8 10 00 00 48 c7 c2 80 47 16 8b 48 c7 c6 40 82 16 8b 48 c7 c7 00 48 16 8b e8 12 2d f3 fd 90 <0f> 0b e8 da 50 10 fe b9 01 11 00 00 48 c7 c2 80 47 16 8b 48 c7 c6 RSP: 0018:ffffc900036c7bf8 EFLAGS: 00010286 RAX: 0000000000000051 RBX: ffff888029fd8d50 RCX: ffffffff816957c9 RDX: 0000000000000000 RSI: ffffffff8169dc72 RDI: 0000000000000005 RBP: ffff888029fd8010 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888029f20758 R14: ffff888029fd8000 R15: ffff888014eafb00 FS: 00005555566ba380(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe9bb7eb08 CR3: 000000001c59f000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400