------------[ cut here ]------------
WARNING: CPU: 1 PID: 10223 at fs/inode.c:389 inc_nlink+0x129/0x140 fs/inode.c:389
Modules linked in:
CPU: 1 PID: 10223 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #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:ffffc9000a0efd30 EFLAGS: 00010246
RAX: ffffffff820f6bd8 RBX: 1ffff1100c8c5010 RCX: 0000000000040000
RDX: ffffc90004ac9000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff820f6b52 R09: 0000000000000000
R10: ffffc9000a0efca8 R11: ffffffff82bca2d0 R12: dffffc0000000000
R13: ffff888064628080 R14: ffff888064628038 R15: 0000000000000000
FS:  00007f9b4817e6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a096cf5b0 CR3: 000000007d282000 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_mkdir fs/namei.c:4166 [inline]
 __se_sys_mkdir fs/namei.c:4164 [inline]
 __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4164
 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: 0033:0x7f9b4747dea9
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:00007f9b4817e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f9b475abf80 RCX: 00007f9b4747dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000400
RBP: 00007f9b474ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9b475abf80 R15: 00007ffd8cb409e8
 </TASK>