Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 119 Comm: jfsCommit 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:metapage_write_folio+0xa8/0xca0
Code: e8 3d d1 76 fe 4d 8d 74 24 18 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 92 f1 dc fe 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 79 f1 dc fe 49 8b 1e 4d 8d 74 24
RSP: 0000:ffffc900031c77c0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffffd40001017e6 RCX: ffff888107689d40
RDX: 0000000000000000 RSI: ffffc900031c7920 RDI: ffffea000080bf00
RBP: ffffc900031c78d0 R08: ffffea000080bf37 R09: 1ffffd40001017e6
R10: dffffc0000000000 R11: fffff940001017e7 R12: ffffea000080bf00
R13: 0000000000000081 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8882a9e21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbaa5a30000 CR3: 00000001a83a2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 metapage_write_one+0x24c/0x450
 release_metapage+0x5be/0xac0
 txUnlock+0x524/0xdf0
 jfs_lazycommit+0x584/0xa90
 kthread+0x711/0x8a0
 ret_from_fork+0x510/0xa50
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:metapage_write_folio+0xa8/0xca0
Code: e8 3d d1 76 fe 4d 8d 74 24 18 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 92 f1 dc fe 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 79 f1 dc fe 49 8b 1e 4d 8d 74 24
RSP: 0000:ffffc900031c77c0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffffd40001017e6 RCX: ffff888107689d40
RDX: 0000000000000000 RSI: ffffc900031c7920 RDI: ffffea000080bf00
RBP: ffffc900031c78d0 R08: ffffea000080bf37 R09: 1ffffd40001017e6
R10: dffffc0000000000 R11: fffff940001017e7 R12: ffffea000080bf00
R13: 0000000000000081 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8882a9e21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe607d7040 CR3: 000000011b4a0000 CR4: 00000000000006f0
