------------[ cut here ]------------
WARNING: CPU: 1 PID: 4555 at fs/inode.c:389 inc_nlink+0x11d/0x130 fs/inode.c:389
Modules linked in:
CPU: 1 PID: 4555 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:inc_nlink+0x11d/0x130 fs/inode.c:389
Code: dc ee ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 dd dc ee ff e9 3f ff ff ff e8 83 c3 a9 ff <0f> 0b eb 82 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41
RSP: 0018:ffffc90002edfc08 EFLAGS: 00010293
RAX: ffffffff81cf856d RBX: ffff888070a38048 RCX: ffff88802880bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802bb512bf R09: 1ffff1100576a257
R10: dffffc0000000000 R11: ffffed100576a258 R12: dffffc0000000000
R13: 1ffff1100e147009 R14: ffff888070a38000 R15: 0000000000000000
FS:  00007f4cd31156c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cd3dc53d0 CR3: 000000001b98e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fuse_link+0x2f7/0x4d0 fs/fuse/dir.c:948
 vfs_link+0x615/0x7c0 fs/namei.c:4565
 do_linkat+0x285/0x860 fs/namei.c:4636
 __do_sys_link fs/namei.c:4670 [inline]
 __se_sys_link fs/namei.c:4668 [inline]
 __x64_sys_link+0x82/0x90 fs/namei.c:4668
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4cd3d83fb9
Code: 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4cd31150b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007f4cd3ec2f80 RCX: 00007f4cd3d83fb9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 00007f4cd3df9b38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4cd3ec2f80 R15: 00007ffd7ccc05c8
 </TASK>