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: 1 UID: 0 PID: 15651 Comm: syz.3.1059 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 ac aa 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 8d aa ce fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90004eb7bc0 EFLAGS: 00010206
RAX: 00000000000000c5 RBX: ffffc90002a39020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8dfa66cf RDI: 00000000ffffffff
RBP: ffffc90004eb7d40 R08: ffffffff9030b3f7 R09: 1ffffffff206167e
R10: dffffc0000000000 R11: fffffbfff206167f R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc90002a39000 R15: 0000000000000628
FS:  00007f221a4126c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a36dc000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 jfs_unlink+0x561/0x9f0
 vfs_unlink+0x272/0x6c0
 filename_unlinkat+0x3cd/0x610
 __se_sys_unlinkat+0x83/0x1a0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f221959cdd9
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:00007f221a412028 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007f2219815fa0 RCX: 00007f221959cdd9
RDX: 0000000000000000 RSI: 0000200000000380 RDI: ffffffffffffff9c
RBP: 00007f2219632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2219816038 R14: 00007f2219815fa0 R15: 00007ffff3a7e048
 </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 ac aa 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 8d aa ce fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90004eb7bc0 EFLAGS: 00010206
RAX: 00000000000000c5 RBX: ffffc90002a39020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8dfa66cf RDI: 00000000ffffffff
RBP: ffffc90004eb7d40 R08: ffffffff9030b3f7 R09: 1ffffffff206167e
R10: dffffc0000000000 R11: fffffbfff206167f R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc90002a39000 R15: 0000000000000628
FS:  00007f221a4126c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a36dc000 CR4: 00000000000006f0
