BUG at fs/jfs/namei.c:513 assert(ip->i_nlink)
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kernel BUG at fs/jfs/namei.c:513!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 6100 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00017-gc9f016e72b5c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:jfs_unlink+0xafd/0xb30 fs/jfs/namei.c:513
Code: e8 c8 5d 91 08 e8 83 f0 73 fe 48 c7 c7 20 9c 22 8c 48 c7 c6 e0 99 22 8c ba 01 02 00 00 48 c7 c1 60 9c 22 8c e8 64 5e 8e 08 90 <0f> 0b e8 5c f0 73 fe 48 c7 c7 20 9c 22 8c 48 c7 c6 e0 99 22 8c ba
RSP: 0018:ffffc9000489fbe0 EFLAGS: 00010246
RAX: 000000000000002d RBX: 0000000000000000 RCX: ac6ced30a4188900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000489fd10 R08: ffffffff8174016c R09: 1ffff1101712519a
R10: dffffc0000000000 R11: ffffed101712519b R12: 0000000000000000
R13: ffffc9000489fc60 R14: 1ffff92000913f8c R15: ffff88807d7ea910
FS:  0000555570971500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e3bd6706a8 CR3: 00000000586ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_unlink+0x365/0x650 fs/namei.c:4422
 do_unlinkat+0x4ae/0x830 fs/namei.c:4486
 __do_sys_unlink fs/namei.c:4534 [inline]
 __se_sys_unlink fs/namei.c:4532 [inline]
 __x64_sys_unlink+0x47/0x50 fs/namei.c:4532
 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: 0033:0x7fe2bb979467
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 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:00007ffcdde85f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2bb979467
RDX: 00007ffcdde85f70 RSI: 00007ffcdde86000 RDI: 00007ffcdde86000
RBP: 00007ffcdde86000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffcdde870f0
R13: 00007fe2bb9e77dc R14: 0000000000025b1c R15: 00007ffcdde881b0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_unlink+0xafd/0xb30 fs/jfs/namei.c:513
Code: e8 c8 5d 91 08 e8 83 f0 73 fe 48 c7 c7 20 9c 22 8c 48 c7 c6 e0 99 22 8c ba 01 02 00 00 48 c7 c1 60 9c 22 8c e8 64 5e 8e 08 90 <0f> 0b e8 5c f0 73 fe 48 c7 c7 20 9c 22 8c 48 c7 c6 e0 99 22 8c ba
RSP: 0018:ffffc9000489fbe0 EFLAGS: 00010246

RAX: 000000000000002d RBX: 0000000000000000 RCX: ac6ced30a4188900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000489fd10 R08: ffffffff8174016c R09: 1ffff1101712519a
R10: dffffc0000000000 R11: ffffed101712519b R12: 0000000000000000
R13: ffffc9000489fc60 R14: 1ffff92000913f8c R15: ffff88807d7ea910
FS:  0000555570971500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98ad63f000 CR3: 00000000586ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400