ERROR: (device loop1): txBegin: read-only filesystem
ERROR: (device loop1): remounting filesystem as read-only
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: 6005 Comm: syz.1.18 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 kernel/sched/wait.c:104 [inline]
RIP: 0010:__wake_up_common_lock+0xd3/0x1f0 kernel/sched/wait.c:125
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 bf 71 88 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000283f900 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000002 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000283f7e0
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000507efc R12: 1ffff92000507f38
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90001d31070
FS:  00007fdbdaadb6c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbd9b733e0 CR3: 000000010e374000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 txEnd+0x8a/0x530 fs/jfs/jfs_txnmgr.c:504
 __jfs_xattr_set+0x119/0x170 fs/jfs/xattr.c:944
 __vfs_setxattr+0x43c/0x480 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234
 vfs_setxattr+0x16b/0x2f0 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 file_setxattr+0x1da/0x2b0 fs/xattr.c:646
 path_setxattrat+0x327/0x3a0 fs/xattr.c:711
 __do_sys_fsetxattr fs/xattr.c:761 [inline]
 __se_sys_fsetxattr fs/xattr.c:758 [inline]
 __x64_sys_fsetxattr+0xbc/0xe0 fs/xattr.c:758
 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: 0033:0x7fdbd9b8ebe9
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:00007fdbdaadb038 EFLAGS: 00000246 ORIG_RAX: 00000000000000be
RAX: ffffffffffffffda RBX: 00007fdbd9db5fa0 RCX: 00007fdbd9b8ebe9
RDX: 00002000000001c0 RSI: 0000200000000140 RDI: 0000000000000005
RBP: 00007fdbd9c11e19 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdbd9db6038 R14: 00007fdbd9db5fa0 R15: 00007ffe15fc4e98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__wake_up_common kernel/sched/wait.c:104 [inline]
RIP: 0010:__wake_up_common_lock+0xd3/0x1f0 kernel/sched/wait.c:125
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 bf 71 88 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000283f900 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000002 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000283f7e0
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000507efc R12: 1ffff92000507f38
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90001d31070
FS:  00007fdbdaadb6c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbd9b733e0 CR3: 000000010e374000 CR4: 00000000000006f0
----------------
Code disassembly (best guess):
   0:	fd                   	std
   1:	0f 84 d1 00 00 00    	je     0xd8
   7:	8b 6c 24 04          	mov    0x4(%rsp),%ebp
   b:	eb 13                	jmp    0x20
   d:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  14:	fc ff df
  17:	4d 39 fd             	cmp    %r15,%r13
  1a:	0f 84 b8 00 00 00    	je     0xd8
  20:	4d 89 ee             	mov    %r13,%r14
  23:	4c 89 e8             	mov    %r13,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1) <-- trapping instruction
  2e:	74 12                	je     0x42
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 bf 71 88 00       	call   0x8871f7
  38:	48                   	rex.W
  39:	ba 00 00 00 00       	mov    $0x0,%edx
  3e:	00 fc                	add    %bh,%ah
