loop2: detected capacity change from 0 to 1024
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use))
WARNING: kernel/locking/lockdep.c:5207 at __lock_acquire+0x183b/0x2890 kernel/locking/lockdep.c:5207, CPU#0: syz.2.15272/17180
Modules linked in:
CPU: 0 UID: 0 PID: 17180 Comm: syz.2.15272 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__lock_acquire+0x1842/0x2890 kernel/locking/lockdep.c:5207
Code: 89 0e 03 85 c0 74 0d 83 3d ba 4a ef 0e 00 0f 84 e7 0a 00 00 90 31 c0 e9 5a fa ff ff 48 8d 3d 55 65 f2 0e 48 c7 c6 78 b3 bd 8d <67> 48 0f b9 3a e9 b4 ec ff ff 44 8b 0d 8d 4a ef 0e 45 85 c9 0f 85
RSP: 0018:ffffc900203cf6f0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000d3d9000
RDX: 0000000000080000 RSI: ffffffff8dbdb378 RDI: ffffffff908c4c00
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888047dd4830 R12: ffff888047dd3d00
R13: 0000000000000004 R14: ffff888047dd4830 R15: 0000000000000001
FS: 00007fc5673f66c0(0000) GS:ffff8881248f2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005140 CR3: 000000007c48e000 CR4: 0000000000350ef0
Call Trace:
<TASK>
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x179/0x330 kernel/locking/lockdep.c:5825
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
ocfs2_is_hard_readonly fs/ocfs2/ocfs2.h:665 [inline]
ocfs2_inode_lock_full_nested+0x101/0x1f40 fs/ocfs2/dlmglue.c:2446
ocfs2_inode_lock_tracker+0x20f/0x6e0 fs/ocfs2/dlmglue.c:2691
ocfs2_permission+0xcf/0x1c0 fs/ocfs2/file.c:1355
do_inode_permission fs/namei.c:526 [inline]
inode_permission+0x400/0x640 fs/namei.c:596
xattr_permission+0x1ad/0x240 fs/xattr.c:155
vfs_getxattr+0xa4/0x290 fs/xattr.c:434
do_getxattr+0x259/0x360 fs/xattr.c:787
filename_getxattr+0xe9/0x1a0 fs/xattr.c:817
path_getxattrat+0x203/0x2d0 fs/xattr.c:859
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc56918f749
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:00007fc5673f6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf
RAX: ffffffffffffffda RBX: 00007fc5693e5fa0 RCX: 00007fc56918f749
RDX: 0000000000000000 RSI: 0000200000000b00 RDI: 0000200000005140
RBP: 00007fc569213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5693e6038 R14: 00007fc5693e5fa0 R15: 00007ffe39e83ee8
</TASK>
----------------
Code disassembly (best guess), 3 bytes skipped:
0: 85 c0 test %eax,%eax
2: 74 0d je 0x11
4: 83 3d ba 4a ef 0e 00 cmpl $0x0,0xeef4aba(%rip) # 0xeef4ac5
b: 0f 84 e7 0a 00 00 je 0xaf8
11: 90 nop
12: 31 c0 xor %eax,%eax
14: e9 5a fa ff ff jmp 0xfffffa73
19: 48 8d 3d 55 65 f2 0e lea 0xef26555(%rip),%rdi # 0xef26575
20: 48 c7 c6 78 b3 bd 8d mov $0xffffffff8dbdb378,%rsi
* 27: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2c: e9 b4 ec ff ff jmp 0xffffece5
31: 44 8b 0d 8d 4a ef 0e mov 0xeef4a8d(%rip),%r9d # 0xeef4ac5
38: 45 85 c9 test %r9d,%r9d
3b: 0f .byte 0xf
3c: 85 .byte 0x85