------------[ cut here ]------------ kernel BUG at fs/btrfs/ctree.h:3475! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3671 Comm: syz-executor.3 Not tainted 5.15.104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:assertfail+0x18/0x1a fs/btrfs/ctree.h:3475 Code: 0b e8 3d f9 69 f7 48 8b 3d 36 84 3d 07 e9 01 6c 9d f7 89 f1 48 89 fe 48 c7 c7 60 60 c9 8a 48 c7 c2 c0 35 c9 8a e8 f2 e3 ff ff <0f> 0b 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec RSP: 0018:ffffc90002e9fc78 EFLAGS: 00010246 RAX: 0000000000000051 RBX: ffff888078f64d28 RCX: 4d9916679bfbd700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002e9fd78 R08: ffffffff8166101c R09: ffffed10173667a0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078f64000 R13: 1ffff1100f1eca5b R14: dffffc0000000000 R15: 1ffff1100f1ec9f4 FS: 0000555555fb5400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f94c3339000 CR3: 0000000074efc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: close_ctree+0x811/0x886 fs/btrfs/disk-io.c:4435 generic_shutdown_super+0x136/0x2c0 fs/super.c:466 kill_anon_super+0x37/0x60 fs/super.c:1058 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2393 deactivate_locked_super+0xa0/0x110 fs/super.c:335 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143 task_work_run+0x129/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:300 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f29b9d88567 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 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 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff9f2501a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f29b9d88567 RDX: 00007fff9f250279 RSI: 000000000000000a RDI: 00007fff9f250270 RBP: 00007fff9f250270 R08: 00000000ffffffff R09: 00007fff9f250040 R10: 0000555555fb6903 R11: 0000000000000246 R12: 00007f29b9de1b74 R13: 00007fff9f251330 R14: 0000555555fb6810 R15: 00007fff9f251370 Modules linked in: ---[ end trace e52464fb4fafef98 ]--- RIP: 0010:assertfail+0x18/0x1a fs/btrfs/ctree.h:3475 Code: 0b e8 3d f9 69 f7 48 8b 3d 36 84 3d 07 e9 01 6c 9d f7 89 f1 48 89 fe 48 c7 c7 60 60 c9 8a 48 c7 c2 c0 35 c9 8a e8 f2 e3 ff ff <0f> 0b 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec RSP: 0018:ffffc90002e9fc78 EFLAGS: 00010246 RAX: 0000000000000051 RBX: ffff888078f64d28 RCX: 4d9916679bfbd700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002e9fd78 R08: ffffffff8166101c R09: ffffed10173667a0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078f64000 R13: 1ffff1100f1eca5b R14: dffffc0000000000 R15: 1ffff1100f1ec9f4 FS: 0000555555fb5400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f325682a218 CR3: 0000000074efc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400