------------[ cut here ]------------
WARNING: CPU: 0 PID: 5221 at fs/inode.c:389 inc_nlink+0x129/0x140 fs/inode.c:389
Modules linked in:
CPU: 0 PID: 5221 Comm: syz-executor.2 Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:inc_nlink+0x129/0x140 fs/inode.c:389
Code: ff e9 33 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 45 ff ff ff 4c 89 ef e8 d2 a5 e7 ff e9 38 ff ff ff e8 98 94 86 ff 90 <0f> 0b 90 e9 7b ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
RSP: 0018:ffffc900046ffd30 EFLAGS: 00010246
RAX: ffffffff820f6bd8 RBX: 1ffff1100b900810 RCX: 0000000000040000
RDX: ffffc9000a341000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff820f6b52 R09: 0000000000000000
R10: ffffc900046ffca8 R11: ffffffff82bca2d0 R12: dffffc0000000000
R13: ffff88805c804080 R14: ffff88805c804038 R15: 0000000000000000
FS:  00007f4d9c1826c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559dab1d8680 CR3: 000000001f32e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_inc_link_count include/linux/fs.h:2435 [inline]
 sysv_mkdir+0x21/0x130 fs/sysv/namei.c:119
 vfs_mkdir+0x2f9/0x4b0 fs/namei.c:4123
 do_mkdirat+0x264/0x3a0 fs/namei.c:4146
 __do_sys_mkdirat fs/namei.c:4161 [inline]
 __se_sys_mkdirat fs/namei.c:4159 [inline]
 __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d9b47c9a7
Code: 73 01 c3 48 c7 c1 b0 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 02 01 00 00 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:00007f4d9c181ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f4d9c181f80 RCX: 00007f4d9b47c9a7
RDX: 00000000000001ff RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000020000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000040
R13: 00007f4d9c181f40 R14: 0000000000000000 R15: 0000000000000000
 </TASK>