------------[ cut here ]------------ WARNING: CPU: 1 PID: 5568 at fs/inode.c:389 inc_nlink+0x129/0x140 fs/inode.c:389 Modules linked in: CPU: 1 PID: 5568 Comm: syz-executor.4 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 12 c3 e7 ff e9 38 ff ff ff e8 38 48 85 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:ffffc900093e7d30 EFLAGS: 00010246 RAX: ffffffff8210ddd8 RBX: 1ffff1100bcde810 RCX: 0000000000040000 RDX: ffffc900091a9000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000000 R08: ffffffff8210dd52 R09: 0000000000000000 R10: ffffc900093e7ca8 R11: ffffffff82beb810 R12: dffffc0000000000 R13: ffff88805e6f4080 R14: ffff88805e6f4038 R15: 0000000000000000 FS: 00007fbed40bb6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f528000 CR3: 0000000053752000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_inc_link_count include/linux/fs.h:2434 [inline] sysv_mkdir+0x21/0x130 fs/sysv/namei.c:119 vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4131 do_mkdirat+0x264/0x3a0 fs/namei.c:4154 __do_sys_mkdirat fs/namei.c:4169 [inline] __se_sys_mkdirat fs/namei.c:4167 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbed327cf29 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:00007fbed40bb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fbed33b3f80 RCX: 00007fbed327cf29 RDX: 0000000000000204 RSI: 0000000020000340 RDI: ffffffffffffff9c RBP: 00007fbed32ec074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fbed33b3f80 R15: 00007ffc0ebafb68