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WARNING: CPU: 0 PID: 25955 at fs/inode.c:362 inc_nlink+0x144/0x160 fs/inode.c:362
Modules linked in:
CPU: 0 PID: 25955 Comm: syz-executor.3 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:inc_nlink+0x144/0x160 fs/inode.c:362
Code: ff 4c 89 e7 e8 0d 1a ee ff e9 42 ff ff ff 4c 89 e7 e8 90 19 ee ff e9 fc fe ff ff 4c 89 e7 e8 83 19 ee ff eb d4 e8 2c 66 aa ff <0f> 0b e9 6e ff ff ff e8 80 19 ee ff e9 44 ff ff ff e8 76 19 ee ff
RSP: 0018:ffffc900032efe08 EFLAGS: 00010216
RAX: 0000000000018885 RBX: ffff88807e74b8d8 RCX: ffffc9000faae000
RDX: 0000000000040000 RSI: ffffffff81c98b54 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81c98ac0 R11: 0000000000000000 R12: ffff88807e74b920
R13: ffff88802db4f1a0 R14: ffffffff89952500 R15: 0000000000000000
FS:  00007f3fd51c3700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe1ee89c98 CR3: 0000000014a40000 CR4: 0000000000350ef0
Call Trace:
 inode_inc_link_count include/linux/fs.h:2297 [inline]
 sysv_mkdir+0x21/0x150 fs/sysv/namei.c:119
 vfs_mkdir+0x1ca/0x360 fs/namei.c:3819
 do_mkdirat+0x284/0x310 fs/namei.c:3844
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3fd51c3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000000000019 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffd8ec7a3ff R14: 00007f3fd51c3300 R15: 0000000000022000