ERROR: (device loop4): diWrite: ixpxd invalid ERROR: (device loop4): txCommit: ------------[ cut here ]------------ !(inode_state_read_once(inode) & I_LINKABLE) WARNING: fs/inode.c:468 at inc_nlink+0x122/0x150 fs/inode.c:468, CPU#1: syz.4.2892/20131 Modules linked in: CPU: 1 UID: 0 PID: 20131 Comm: syz.4.2892 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:468 Code: e6 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 e9 98 e6 ff e9 3f ff ff ff e8 7f 6f 79 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:ffffc9000dc4fae8 EFLAGS: 00010283 RAX: ffffffff824cc4f1 RBX: ffff8880469acb20 RCX: 0000000000080000 RDX: ffffc90011a18000 RSI: 0000000000000e9d RDI: 0000000000000e9e RBP: 0000000000000000 R08: ffffffff903189f7 R09: 1ffffffff206313e R10: dffffc0000000000 R11: fffffbfff206313f R12: dffffc0000000000 R13: 1ffff11008d35964 R14: ffff8880469acad8 R15: ffff8880469acba8 FS: 00007fd3caf2b6c0(0000) GS:ffff88812535a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f51580c0e9c CR3: 000000004c3e0000 CR4: 0000000000350ef0 Call Trace: jfs_mkdir+0x85e/0xb00 fs/jfs/namei.c:287 vfs_mkdir+0x406/0x620 fs/namei.c:5272 filename_mkdirat+0x285/0x510 fs/namei.c:5305 __do_sys_mkdir fs/namei.c:5332 [inline] __se_sys_mkdir+0x34/0x150 fs/namei.c:5329 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: 0033:0x7fd3c9f9ce59 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:00007fd3caf2b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007fd3ca215fa0 RCX: 00007fd3c9f9ce59 RDX: 0000000000000000 RSI: 0000000000000022 RDI: 0000200000000300 RBP: 00007fd3ca032e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd3ca216038 R14: 00007fd3ca215fa0 R15: 00007ffc44c99088