(syz.0.15,4303,1):ocfs2_initialize_super:2318 ERROR: status = -30
(syz.0.15,4303,1):ocfs2_fill_super:1030 ERROR: status = -30
(syz.0.15,4303,1):ocfs2_fill_super:1225 ERROR: status = -30
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 4303 Comm: syz.0.15 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_acquire.isra.10+0x4e6/0x1870 kernel/locking/lockdep.c:3294
Code: 48 83 c4 50 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 89 f3 49 8d 7c df 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0f 0d 00 00 49 8b 5c df 08 48 85 db 0f 85 07 fc
RSP: 0018:ffff8800a6d6f570 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000023 RSI: 0000000000000000 RDI: 0000000000000118
RBP: ffff8800a6d6f5e8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8800a6d6f7e8 R11: ffff8800ad0aa37f R12: ffffffff88040f60
R13: ffff8800a1956200 R14: 0000000000000000 R15: 0000000000000110
FS:  00007f78c404d6c0(0000) GS:ffff8800bab00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560277bbbf98 CR3: 00000000a83d4000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_acquire+0x18b/0x340 kernel/locking/lockdep.c:3900
 flush_workqueue+0xf3/0x1050 kernel/workqueue.c:2655
 ocfs2_shutdown_local_alloc+0xbe/0x910 fs/ocfs2/localalloc.c:389
 ocfs2_dismount_volume+0x1af/0x830 fs/ocfs2/super.c:1927
 ocfs2_fill_super+0x1d4/0x2710 fs/ocfs2/super.c:1230
 mount_bdev+0x272/0x330 fs/super.c:1158
 ocfs2_mount+0x10/0x20 fs/ocfs2/super.c:1241
 mount_fs+0x84/0x1f5 fs/super.c:1261
 vfs_kern_mount.part.11+0x58/0x3d0 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2457 [inline]
 do_mount+0x376/0x26e0 fs/namespace.c:2787
 ksys_mount+0xb1/0xd0 fs/namespace.c:3003
 __do_sys_mount fs/namespace.c:3017 [inline]
 __se_sys_mount fs/namespace.c:3014 [inline]
 __x64_sys_mount+0xb9/0x150 fs/namespace.c:3014
 do_syscall_64+0xd0/0x340 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f78c45cd79a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f78c404ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f78c404cef0 RCX: 00007f78c45cd79a
RDX: 0000000020004440 RSI: 0000000020000780 RDI: 00007f78c404ceb0
RBP: 0000000020004440 R08: 00007f78c404cef0 R09: 0000000001000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020000780
R13: 00007f78c404ceb0 R14: 000000000000444a R15: 00000000200005c0
Modules linked in:
---[ end trace 0f2f6a472d300197 ]---
RIP: 0010:__lock_acquire.isra.10+0x4e6/0x1870 kernel/locking/lockdep.c:3294
Code: 48 83 c4 50 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 89 f3 49 8d 7c df 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0f 0d 00 00 49 8b 5c df 08 48 85 db 0f 85 07 fc
RSP: 0018:ffff8800a6d6f570 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000023 RSI: 0000000000000000 RDI: 0000000000000118
RBP: ffff8800a6d6f5e8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8800a6d6f7e8 R11: ffff8800ad0aa37f R12: ffffffff88040f60
R13: ffff8800a1956200 R14: 0000000000000000 R15: 0000000000000110
FS:  00007f78c404d6c0(0000) GS:ffff8800bab00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560277bbbf98 CR3: 00000000a83d4000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 83 c4 50          	add    $0x50,%rsp
   4:	44 89 e0             	mov    %r12d,%eax
   7:	5b                   	pop    %rbx
   8:	41 5c                	pop    %r12
   a:	41 5d                	pop    %r13
   c:	41 5e                	pop    %r14
   e:	41 5f                	pop    %r15
  10:	5d                   	pop    %rbp
  11:	c3                   	ret
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df
  1c:	89 f3                	mov    %esi,%ebx
  1e:	49 8d 7c df 08       	lea    0x8(%r15,%rbx,8),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 0f 0d 00 00    	jne    0xd43
  34:	49 8b 5c df 08       	mov    0x8(%r15,%rbx,8),%rbx
  39:	48 85 db             	test   %rbx,%rbx
  3c:	0f                   	.byte 0xf
  3d:	85 07                	test   %eax,(%rdi)
  3f:	fc                   	cld