WARNING: CPU: 1 PID: 13188 at fs/inode.c:388 inc_nlink+0x144/0x160 fs/inode.c:388 Modules linked in: CPU: 1 PID: 13188 Comm: syz-executor.3 Not tainted 5.17.0-rc3-syzkaller-00029-ge6251ab4551f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inc_nlink+0x144/0x160 fs/inode.c:388 Code: ff 4c 89 e7 e8 ad 9f ec ff e9 42 ff ff ff 4c 89 e7 e8 30 9f ec ff e9 fc fe ff ff 4c 89 e7 e8 23 9f ec ff eb d4 e8 bc 4f a5 ff <0f> 0b e9 6e ff ff ff e8 20 9f ec ff e9 44 ff ff ff e8 16 9f ec ff RSP: 0018:ffffc9000495fdd0 EFLAGS: 00010212 RAX: 000000000000de2a RBX: ffff888024175fe8 RCX: ffffc90003ac8000 RDX: 0000000000040000 RSI: ffffffff81d328d4 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81d32840 R11: 0000000000000000 R12: ffff888024176030 R13: ffff888052561780 R14: ffffffff8ba40240 R15: 00000000000001c0 FS: 00007fa63e2c9700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f840cbee1b8 CR3: 00000000783b2000 CR4: 0000000000350ee0 Call Trace: inode_inc_link_count include/linux/fs.h:2397 [inline] sysv_mkdir+0x21/0x150 fs/sysv/namei.c:119 vfs_mkdir+0x1c3/0x3b0 fs/namei.c:3933 do_mkdirat+0x285/0x300 fs/namei.c:3959 __do_sys_mkdir fs/namei.c:3979 [inline] __se_sys_mkdir fs/namei.c:3977 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:3977 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa63f953167 Code: 73 01 c3 48 c7 c1 b8 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 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa63e2c8f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa63f953167 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00000000200000c0 RBP: 00007fa63e2c9020 R08: 0000000000000000 R09: 0000000000018040 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000020000080 R13: 00000000200000c0 R14: 00007fa63e2c8fe0 R15: 0000000020000200