find_entry called with index = 0
find_entry called with index = 0
find_entry called with index = 0
jfs_dirty_inode called on read-only volume
Is remount racy?
Oops: general protection fault, probably for non-canonical address 0xdffffc00000000c7: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000638-0x000000000000063f]
CPU: 1 UID: 0 PID: 6128 Comm: syz.1.42 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 0c 13 d2 fe 41 bf 38 06 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 ed 12 d2 fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90007ae7ae0 EFLAGS: 00010202
RAX: 00000000000000c7 RBX: ffffc900029f1020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8defcb9e RDI: 00000000ffffffff
RBP: ffffc90007ae7d60 R08: ffffffff9011e7b7 R09: 1ffffffff2023cf6
R10: dffffc0000000000 R11: fffffbfff2023cf7 R12: 1ffff92000f5cf6c
R13: dffffc0000000000 R14: ffffc900029f1000 R15: 0000000000000638
FS:  00007f8f2f1c16c0(0000) GS:ffff8882a9462000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c36e973 CR3: 0000000113846000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 jfs_mknod+0x329/0x9d0
 vfs_mknod+0x447/0x610
 filename_mknodat+0x3cb/0x660
 __se_sys_mknodat+0x3b/0x150
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8f2e39c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8f2f1c1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f8f2e615fa0 RCX: 00007f8f2e39c819
RDX: 000000000000c020 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f8f2e432c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f2e616038 R14: 00007f8f2e615fa0 R15: 00007fff3e500478
 </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 0c 13 d2 fe 41 bf 38 06 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 ed 12 d2 fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90007ae7ae0 EFLAGS: 00010202
RAX: 00000000000000c7 RBX: ffffc900029f1020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8defcb9e RDI: 00000000ffffffff
RBP: ffffc90007ae7d60 R08: ffffffff9011e7b7 R09: 1ffffffff2023cf6
R10: dffffc0000000000 R11: fffffbfff2023cf7 R12: 1ffff92000f5cf6c
R13: dffffc0000000000 R14: ffffc900029f1000 R15: 0000000000000638
FS:  00007f8f2f1c16c0(0000) GS:ffff8882a9462000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c36e973 CR3: 0000000113846000 CR4: 00000000000006f0
