ERROR: (device loop4): diWrite: ixpxd invalid ERROR: (device loop4): txCommit: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8655 at fs/inode.c:474 inc_nlink+0x122/0x150 fs/inode.c:474 Modules linked in: CPU: 0 UID: 0 PID: 8655 Comm: syz.4.355 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:474 Code: ec 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 29 84 ec ff e9 3f ff ff ff e8 bf 3d 8d 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:ffffc900066efb08 EFLAGS: 00010287 RAX: ffffffff82313081 RBX: ffff88804a370e58 RCX: 0000000000080000 RDX: ffffc9000e1d9000 RSI: 0000000000000d55 RDI: 0000000000000d56 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1e3ac67 R12: dffffc0000000000 R13: 1ffff1100946e1cb R14: ffff88804a370e10 R15: ffff88804a370f20 FS: 00007f5282cfe6c0(0000) GS:ffff8881268bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555748daf0c0 CR3: 00000000648ba000 CR4: 00000000003526f0 Call Trace: jfs_mkdir+0x7e0/0xa70 fs/jfs/namei.c:286 vfs_mkdir+0x303/0x510 fs/namei.c:4366 do_mkdirat+0x247/0x590 fs/namei.c:4399 __do_sys_mkdirat fs/namei.c:4416 [inline] __se_sys_mkdirat fs/namei.c:4414 [inline] __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4414 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5284a9eec9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5282cfe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f5284cf5fa0 RCX: 00007f5284a9eec9 RDX: 0000000000000000 RSI: 0000200000000240 RDI: ffffffffffffff9c RBP: 00007f5284b21f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5284cf6038 R14: 00007f5284cf5fa0 R15: 00007ffd883f32c8