find_entry called with index = 0
jfs_dirty_inode called on read-only volume
Is remount racy?
jfs_dirty_inode called on read-only volume
Is remount racy?
Oops: general protection fault, probably for non-canonical address 0xdffffc00000000c5: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000628-0x000000000000062f]
CPU: 0 UID: 0 PID: 9240 Comm: syz.5.368 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:txEnd+0xb4/0x530
Code: 49 8d 5e 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1c b3 ce fe 41 bf 28 06 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 fd b2 ce fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90003be7ac0 EFLAGS: 00010206
RAX: 00000000000000c5 RBX: ffffc900029b9020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8dfa5b55 RDI: 00000000ffffffff
RBP: ffffc90003be7d60 R08: ffffffff9030a8f7 R09: 1ffffffff206151e
R10: dffffc0000000000 R11: fffffbfff206151f R12: 00000000ffffffe2
R13: dffffc0000000000 R14: ffffc900029b9000 R15: 0000000000000628
FS:  00007f8012a5f6c0(0000) GS:ffff88818dc90000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fd0cff8 CR3: 0000000109330000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 jfs_mkdir+0x37e/0xb00
 vfs_mkdir+0x413/0x630
 filename_mkdirat+0x285/0x510
 __se_sys_mkdirat+0x35/0x150
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8011b9bc47
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 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:00007f8012a5ee58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f8012a5eee0 RCX: 00007f8011b9bc47
RDX: 00000000000001ff RSI: 0000200000002840 RDI: 00000000ffffff9c
RBP: 00002000000000c0 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000000c0 R11: 0000000000000246 R12: 0000200000002840
R13: 00007f8012a5eea0 R14: 0000000000000000 R15: 0000200000002380
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0xb4/0x530
Code: 49 8d 5e 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1c b3 ce fe 41 bf 28 06 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 fd b2 ce fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90003be7ac0 EFLAGS: 00010206
RAX: 00000000000000c5 RBX: ffffc900029b9020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8dfa5b55 RDI: 00000000ffffffff
RBP: ffffc90003be7d60 R08: ffffffff9030a8f7 R09: 1ffffffff206151e
R10: dffffc0000000000 R11: fffffbfff206151f R12: 00000000ffffffe2
R13: dffffc0000000000 R14: ffffc900029b9000 R15: 0000000000000628
FS:  00007f8012a5f6c0(0000) GS:ffff88818dc90000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fd0cff8 CR3: 0000000109330000 CR4: 00000000000006f0
