ERROR: (device loop6): remounting filesystem as read-only
find_entry called with index = 0
find_entry called with index = 0
find_entry called with index = 0
find_entry called with index = 0
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 7859 Comm: syz.6.304 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 assign_lock_key+0x133/0x150
 register_lock_class+0x105/0x320
 __lock_acquire+0x99/0xd20
 lock_acquire+0x120/0x360
 _raw_spin_lock_irqsave+0xa7/0xf0
 __wake_up_common_lock+0x2f/0x1f0
 txEnd+0x8a/0x530
 jfs_mkdir+0x344/0xa70
 vfs_mkdir+0x306/0x510
 do_mkdirat+0x247/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6ae338ebe9
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:00007f6ae41f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f6ae35c5fa0 RCX: 00007f6ae338ebe9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: ffffffffffffff9c
RBP: 00007f6ae3411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6ae35c6038 R14: 00007f6ae35c5fa0 R15: 00007fff53ceb038
 </TASK>
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 7859 Comm: syz.6.304 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__wake_up_common_lock+0xd3/0x1f0
Code: fd 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4d 39 fd 0f 84 b8 00 00 00 4d 89 ee 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 9f 76 88 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90004737aa0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000002 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90004737980
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520008e6f30 R12: ffff888021ff8bc0
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90001d39070
FS:  00007f6ae41f96c0(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ae41d7fc8 CR3: 00000000378be000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 txEnd+0x8a/0x530
 jfs_mkdir+0x344/0xa70
 vfs_mkdir+0x306/0x510
 do_mkdirat+0x247/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6ae338ebe9
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:00007f6ae41f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f6ae35c5fa0 RCX: 00007f6ae338ebe9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: ffffffffffffff9c
RBP: 00007f6ae3411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6ae35c6038 R14: 00007f6ae35c5fa0 R15: 00007fff53ceb038
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__wake_up_common_lock+0xd3/0x1f0
Code: fd 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4d 39 fd 0f 84 b8 00 00 00 4d 89 ee 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 9f 76 88 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90004737aa0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000002 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90004737980
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520008e6f30 R12: ffff888021ff8bc0
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90001d39070
FS:  00007f6ae41f96c0(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ae41d7fc8 CR3: 00000000378be000 CR4: 00000000000006f0
