ntfs3(loop2): ino=0, mi_enum_attr
ntfs3(loop2): Mark volume as dirty due to NTFS errors
ntfs3(loop2): ino=0, mi_enum_attr
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888051601830, owner = 0x0, curr 0xffff8880386f1ec0, list not empty
WARNING: kernel/locking/rwsem.c:1384 at __up_read+0x1b1/0x6e0 kernel/locking/rwsem.c:1384, CPU#0: syz.2.4779/25551
Modules linked in:
CPU: 0 UID: 0 PID: 25551 Comm: syz.2.4779 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__up_read+0x1c5/0x6e0 kernel/locking/rwsem.c:1384
Code: ea 03 80 3c 02 00 0f 85 e1 04 00 00 49 8b 17 48 8d 3d 4f 65 f7 0e 41 56 65 4c 8b 0d 0d e9 26 12 4c 89 e9 48 c7 c6 00 cc af 8b <67> 48 0f b9 3a e8 61 e6 10 03 5e bf 01 00 00 00 e8 b6 33 f1 ff be
RSP: 0018:ffffc90004227a28 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888051601838 RCX: ffff888051601830
RDX: 0000000000000000 RSI: ffffffff8bafcc00 RDI: ffffffff90db1c50
RBP: ffffffff90d7fac0 R08: 0000000000000000 R09: ffff8880386f1ec0
R10: ffff888051601837 R11: 0000000000000000 R12: 1ffff92000844f48
R13: ffff888051601830 R14: ffffffff8bafc9a0 R15: ffff888051601830
FS: 00007f4c767ac6c0(0000) GS:ffff888124376000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf1edec4b8 CR3: 000000002d7fd000 CR4: 0000000000350ef0
Call Trace:
<TASK>
inode_unlock_shared include/linux/fs.h:1054 [inline]
lookup_slow+0x5b/0x70 fs/namei.c:1933
walk_component fs/namei.c:2278 [inline]
lookup_last fs/namei.c:2785 [inline]
path_lookupat+0x5e8/0xc40 fs/namei.c:2809
filename_lookup+0x202/0x590 fs/namei.c:2838
do_utimes_path+0xea/0x1b0 fs/utimes.c:96
do_utimes+0x34/0x100 fs/utimes.c:139
do_futimesat+0x18b/0x200 fs/utimes.c:193
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c7599cdd9
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:00007f4c767ac028 EFLAGS: 00000246 ORIG_RAX: 00000000000000eb
RAX: ffffffffffffffda RBX: 00007f4c75c15fa0 RCX: 00007f4c7599cdd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f4c75a32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c75c16038 R14: 00007f4c75c15fa0 R15: 00007fff81273ac8
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
4: 0f 85 e1 04 00 00 jne 0x4eb
a: 49 8b 17 mov (%r15),%rdx
d: 48 8d 3d 4f 65 f7 0e lea 0xef7654f(%rip),%rdi # 0xef76563
14: 41 56 push %r14
16: 65 4c 8b 0d 0d e9 26 mov %gs:0x1226e90d(%rip),%r9 # 0x1226e92b
1d: 12
1e: 4c 89 e9 mov %r13,%rcx
21: 48 c7 c6 00 cc af 8b mov $0xffffffff8bafcc00,%rsi
* 28: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2d: e8 61 e6 10 03 call 0x310e693
32: 5e pop %rsi
33: bf 01 00 00 00 mov $0x1,%edi
38: e8 b6 33 f1 ff call 0xfff133f3
3d: be .byte 0xbe