------------[ cut here ]------------ !(inode_state_read_once(inode) & I_LINKABLE) WARNING: fs/inode.c:465 at inc_nlink+0x122/0x150 fs/inode.c:465, CPU#1: syz.4.60/6137 Modules linked in: CPU: 1 UID: 0 PID: 6137 Comm: syz.4.60 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:465 Code: ea ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 39 2f ea ff e9 3f ff ff ff e8 ff ca 80 ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff RSP: 0018:ffffc90005ef7d18 EFLAGS: 00010287 RAX: ffffffff82445d51 RBX: ffff8880633393e0 RCX: 0000000000080000 RDX: ffffc90011e72000 RSI: 00000000000006e7 RDI: 00000000000006e8 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1f15fdf R12: dffffc0000000000 R13: 1ffff1100c66727c R14: ffff888063339398 R15: ffff8880633394a8 FS: 00007f67c70846c0(0000) GS:ffff888126211000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc3db07a000 CR3: 000000003c41c000 CR4: 00000000003526f0 Call Trace: inode_inc_link_count include/linux/fs.h:2256 [inline] minix_mkdir+0x44/0x120 fs/minix/namei.c:117 vfs_mkdir+0x402/0x620 fs/namei.c:5272 filename_mkdirat+0x289/0x520 fs/namei.c:5305 __do_sys_mkdirat fs/namei.c:5326 [inline] __se_sys_mkdirat+0x35/0x150 fs/namei.c:5323 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f67c8e6ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f67c7084028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f67c90e6180 RCX: 00007f67c8e6ce59 RDX: 0000000000000084 RSI: 0000200000000380 RDI: 0000000000000004 RBP: 00007f67c8f02e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f67c90e6218 R14: 00007f67c90e6180 R15: 00007ffd9a5ba9f8