diRead: diIAGRead returned -5
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 UID: 0 PID: 14082 Comm: syz.2.1018 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:jfs_flush_journal+0x7f8/0xed0
Code: 7f b4 fe 4d 8d 77 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 e6 7b e1 fe 4d 8b 26 49 83 c4 30 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 e7 e8 ca 7b e1 fe 49 8b 3c 24 e8 71 7f b4
RSP: 0018:ffffc90006bd79c0 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90003801000 RSI: 000000000001e2d7 RDI: 000000000001e2d8
RBP: ffffc90006bd7b00 R08: ffffc90006bd790f R09: 0000000000000000
R10: ffffc90006bd77a8 R11: fffff52000d7af22 R12: 0000000000000030
R13: ffff888024b0a9a8 R14: ffff8880426fac28 R15: ffff8880426fac38
FS:  00007fa6475ac6c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe277ed6dc CR3: 000000011e0f6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 jfs_umount+0x178/0x3c0
 jfs_fill_super+0x9c5/0xd80
 get_tree_bdev_flags+0x40e/0x4d0
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa64679038a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fa6475abe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa6475abef0 RCX: 00007fa64679038a
RDX: 0000200000000100 RSI: 00002000000000c0 RDI: 00007fa6475abeb0
RBP: 0000200000000100 R08: 00007fa6475abef0 R09: 0000000001010006
R10: 0000000001010006 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007fa6475abeb0 R14: 00000000000061b6 R15: 00002000000001c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_flush_journal+0x7f8/0xed0
Code: 7f b4 fe 4d 8d 77 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 e6 7b e1 fe 4d 8b 26 49 83 c4 30 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 e7 e8 ca 7b e1 fe 49 8b 3c 24 e8 71 7f b4
RSP: 0018:ffffc90006bd79c0 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90003801000 RSI: 000000000001e2d7 RDI: 000000000001e2d8
RBP: ffffc90006bd7b00 R08: ffffc90006bd790f R09: 0000000000000000
R10: ffffc90006bd77a8 R11: fffff52000d7af22 R12: 0000000000000030
R13: ffff888024b0a9a8 R14: ffff8880426fac28 R15: ffff8880426fac38
FS:  00007fa6475ac6c0(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555807a65c8 CR3: 000000011e0f6000 CR4: 00000000000006f0
