------------[ cut here ]------------ kernel BUG at fs/btrfs/ctree.h:3495! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 16275 Comm: syz-executor.0 Not tainted 5.15.156-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:assertfail+0x18/0x20 fs/btrfs/ctree.h:3495 Code: b5 97 f7 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 89 f1 48 89 fe 48 c7 c7 60 fe c9 8a 48 c7 c2 c0 d3 c9 8a e8 58 e3 ff ff <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffffc90002d67c78 EFLAGS: 00010246 RAX: 0000000000000051 RBX: ffff88807a7fcd28 RCX: dce2fbc38f6a0c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002d67d78 R08: ffffffff8166862c R09: ffffed10173667a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807a7fc000 R13: 1ffff1100f4ffa5b R14: dffffc0000000000 R15: 1ffff1100f4ff9f4 FS: 0000555555854480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f550ca183fc CR3: 000000007f312000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: close_ctree+0x811/0x890 fs/btrfs/disk-io.c:4462 generic_shutdown_super+0x136/0x2c0 fs/super.c:475 kill_anon_super+0x37/0x60 fs/super.c:1076 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2391 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:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f9d34a051d7 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:00007ffd0d0c01e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9d34a051d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd0d0c02a0 RBP: 00007ffd0d0c02a0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd0d0c1360 R13: 00007f9d34a4f3b9 R14: 00000000000c1f4a R15: 0000000000000003 Modules linked in: ---[ end trace 4b97d3887a4d5769 ]--- RIP: 0010:assertfail+0x18/0x20 fs/btrfs/ctree.h:3495 Code: b5 97 f7 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 89 f1 48 89 fe 48 c7 c7 60 fe c9 8a 48 c7 c2 c0 d3 c9 8a e8 58 e3 ff ff <0f> 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffffc90002d67c78 EFLAGS: 00010246 RAX: 0000000000000051 RBX: ffff88807a7fcd28 RCX: dce2fbc38f6a0c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002d67d78 R08: ffffffff8166862c R09: ffffed10173667a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807a7fc000 R13: 1ffff1100f4ffa5b R14: dffffc0000000000 R15: 1ffff1100f4ff9f4 FS: 0000555555854480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33843000 CR3: 000000007f312000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400