BUG at fs/jfs/namei.c:514 assert(ip->i_nl[  219.053578][ T5600] BUG at fs/jfs/namei.c:514 assert(ip->i_nlink)
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kernel BUG at fs/jfs/namei.c:514!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5600 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:jfs_unlink+0x9bd/0x9f0 fs/jfs/namei.c:514
Code: e9 68 fb ff ff e8 93 5e 73 fe 48 c7 c7 20 fc 8a 8b 48 c7 c6 e0 f9 8a 8b ba 02 02 00 00 48 c7 c1 60 fc 8a 8b e8 74 41 d6 fd 90 <0f> 0b e8 6c 5e 73 fe 48 c7 c7 20 fc 8a 8b 48 c7 c6 e0 f9 8a 8b ba
RSP: 0018:ffffc900042b7c00 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff8880407864d0 RCX: 0ac5acd7a3ee1000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900042b7d40 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000856f31 R12: 0000000000000002
R13: 1ffff92000856f8c R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555593f04500(0000) GS:ffff888126279000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555593f27a68 CR3: 0000000037d58000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vfs_unlink+0x272/0x6d0 fs/namei.c:5498
 filename_unlinkat+0x3d3/0x610 fs/namei.c:5568
 __do_sys_unlink fs/namei.c:5603 [inline]
 __se_sys_unlink+0x2e/0x140 fs/namei.c:5600
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2e98a2bec7
Code: 73 01 c3 48 c7 c1 e8 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 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd17baae08 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e98a2bec7
RDX: 00007ffd17baae30 RSI: 00007ffd17baaec0 RDI: 00007ffd17baaec0
RBP: 00007ffd17baaec0 R08: 00007ffd17babec0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd17babfb0
R13: 00007f2e98ac2120 R14: 000000000003567f R15: 00007ffd17bad080
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_unlink+0x9bd/0x9f0 fs/jfs/namei.c:514
Code: e9 68 fb ff ff e8 93 5e 73 fe 48 c7 c7 20 fc 8a 8b 48 c7 c6 e0 f9 8a 8b ba 02 02 00 00 48 c7 c1 60 fc 8a 8b e8 74 41 d6 fd 90 <0f> 0b e8 6c 5e 73 fe 48 c7 c7 20 fc 8a 8b 48 c7 c6 e0 f9 8a 8b ba
RSP: 0018:ffffc900042b7c00 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff8880407864d0 RCX: 0ac5acd7a3ee1000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900042b7d40 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000856f31 R12: 0000000000000002
R13: 1ffff92000856f8c R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555593f04500(0000) GS:ffff888126279000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555593f27a68 CR3: 0000000037d58000 CR4: 00000000003526f0