------------[ cut here ]------------ WARNING: CPU: 1 PID: 1855 at fs/inode.c:364 inc_nlink+0x2d/0x40 fs/inode.c:369 Modules linked in: CPU: 1 PID: 1855 Comm: syz-executor.0 Not tainted 5.15.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:inc_nlink+0x2d/0x40 fs/inode.c:364 Code: 85 c0 74 07 83 c0 01 89 47 48 c3 f6 87 d9 00 00 00 04 74 16 48 8b 47 28 f0 48 ff 88 b8 07 00 00 8b 47 48 83 c0 01 89 47 48 c3 <0f> 0b eb e6 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 01 00 RSP: 0018:ffffc90001a4fdb0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88817986fb60 RCX: 00000000618bfb10 RDX: ffff88810a18d400 RSI: 00000000610a4889 RDI: ffff888177490000 RBP: ffffc90001a4fe58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888177490000 R13: 0000000000000000 R14: ffff8881774905c8 R15: ffff8881774900e0 FS: 00007fab4da2f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fab4da0dfa8 CR3: 0000000174ee3000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_link+0x102/0x1a0 fs/fuse/dir.c:944 vfs_link+0x206/0x320 fs/namei.c:4486 do_linkat+0x220/0x2f0 fs/namei.c:4557 __do_sys_link fs/namei.c:4591 [inline] __se_sys_link fs/namei.c:4589 [inline] __x64_sys_link+0x3b/0x50 fs/namei.c:4589 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fab4deac959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fab4da2f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 00007fab4dfcbf80 RCX: 00007fab4deac959 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 00007fab4df08c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fab4dfcbf80 R15: 00007ffe4d7d3a38