bcachefs (loop0): dirent to missing inode:
  u64s 7 type dirent 4096:189491840996961599:U32_MAX len 0 ver 0: file0 -> 4098 type dir
------------[ cut here ]------------
kernel BUG at fs/bcachefs/fs.c:59!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:bch2_inode_update_after_write+0xbd6/0xbe0 fs/bcachefs/fs.c:59
Code: e1 07 80 c1 03 38 c1 0f 8c ea fb ff ff 48 89 f7 48 89 74 24 10 e8 ba 32 d1 fd 48 8b 74 24 10 e9 d3 fb ff ff e8 2b ca 6a fd 90 <0f> 0b e8 c3 cf 93 07 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d47f8c0 EFLAGS: 00010293
RAX: ffffffff8434a9c5 RBX: 0000000000001003 RCX: ffff88801f8e0000
RDX: 0000000000000000 RSI: 0000000000001003 RDI: 0000000000001002
RBP: ffffc9000d47fa10 R08: ffffffff84349f0e R09: 0000000000001000
R10: 0000000000000d0c R11: 00000000ffffffff R12: ffff888052210000
R13: ffff8880542d4000 R14: ffff8880542d5e00 R15: 0000000000001002
FS:  00007eff142e86c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007eff0784f000 CR3: 0000000043350000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __bch2_unlink+0x469/0x530 fs/bcachefs/fs.c:763
 bch2_unlink+0xac/0xf0 fs/bcachefs/fs.c:786
 vfs_unlink+0x365/0x650 fs/namei.c:4523
 do_unlinkat+0x4ae/0x830 fs/namei.c:4587
 __do_sys_unlink fs/namei.c:4635 [inline]
 __se_sys_unlink fs/namei.c:4633 [inline]
 __x64_sys_unlink+0x47/0x50 fs/namei.c:4633
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7eff13585d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007eff142e8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007eff13776080 RCX: 00007eff13585d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007eff13601a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007eff13776080 R15: 00007ffd7e5c23d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_inode_update_after_write+0xbd6/0xbe0 fs/bcachefs/fs.c:59
Code: e1 07 80 c1 03 38 c1 0f 8c ea fb ff ff 48 89 f7 48 89 74 24 10 e8 ba 32 d1 fd 48 8b 74 24 10 e9 d3 fb ff ff e8 2b ca 6a fd 90 <0f> 0b e8 c3 cf 93 07 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d47f8c0 EFLAGS: 00010293
RAX: ffffffff8434a9c5 RBX: 0000000000001003 RCX: ffff88801f8e0000
RDX: 0000000000000000 RSI: 0000000000001003 RDI: 0000000000001002
RBP: ffffc9000d47fa10 R08: ffffffff84349f0e R09: 0000000000001000
R10: 0000000000000d0c R11: 00000000ffffffff R12: ffff888052210000
R13: ffff8880542d4000 R14: ffff8880542d5e00 R15: 0000000000001002
FS:  00007eff142e86c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000043350000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400