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kernel BUG at fs/bcachefs/fs.c:1017!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00283-gf1a3944c860b #0 PREEMPT(full) 
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_rename2+0x131d/0x1340 fs/bcachefs/fs.c:1017
Code: 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 43 fa ff ff 4c 89 ff 48 89 f3 e8 71 79 ef fd 48 89 de e9 30 fa ff ff e8 94 84 8d fd 90 <0f> 0b e8 8c 84 8d fd 90 0f 0b e8 84 84 8d fd e9 93 f9 ff ff 66 66
RSP: 0018:ffffc9000d5376a0 EFLAGS: 00010283
RAX: ffffffff84323a0c RBX: 0000000020000000 RCX: 0000000000100000
RDX: ffffc9000ea23000 RSI: 000000000000361e RDI: 000000000000361f
RBP: ffffc9000d537b90 R08: ffff8880555a01d7 R09: 1ffff1100aab403a
R10: dffffc0000000000 R11: ffffed100aab403b R12: ffff88805506c798
R13: dffffc0000000000 R14: 0000000000001002 R15: ffff88805506c000
FS:  00007f0d7f86a6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 0000000040f40000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rename+0xb99/0xec0 fs/namei.c:5121
 do_renameat2+0x878/0xc50 fs/namei.c:5270
 __do_sys_rename fs/namei.c:5317 [inline]
 __se_sys_rename fs/namei.c:5315 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5315
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d7e98e969
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:00007f0d7f86a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f0d7ebb6080 RCX: 00007f0d7e98e969
RDX: 0000000000000000 RSI: 0000200000001900 RDI: 0000200000000140
RBP: 00007f0d7ea10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0d7ebb6080 R15: 00007ffcbaf17b58
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_rename2+0x131d/0x1340 fs/bcachefs/fs.c:1017
Code: 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 43 fa ff ff 4c 89 ff 48 89 f3 e8 71 79 ef fd 48 89 de e9 30 fa ff ff e8 94 84 8d fd 90 <0f> 0b e8 8c 84 8d fd 90 0f 0b e8 84 84 8d fd e9 93 f9 ff ff 66 66
RSP: 0018:ffffc9000d5376a0 EFLAGS: 00010283
RAX: ffffffff84323a0c RBX: 0000000020000000 RCX: 0000000000100000
RDX: ffffc9000ea23000 RSI: 000000000000361e RDI: 000000000000361f
RBP: ffffc9000d537b90 R08: ffff8880555a01d7 R09: 1ffff1100aab403a
R10: dffffc0000000000 R11: ffffed100aab403b R12: ffff88805506c798
R13: dffffc0000000000 R14: 0000000000001002 R15: ffff88805506c000
FS:  00007f0d7f86a6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 0000000040f40000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400