ERROR: (device loop5): remounting filesystem as read-only
ERROR: (device loop5): diWrite: ixpxd invalid
ERROR: (device loop5): txCommit: 
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 14318 Comm: syz.5.1588 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 9d cc 7e fe 4d 8d 74 24 18 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 d2 35 e2 fe 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 b9 35 e2 fe 49 8b 1e 4d 8d 74 24
RSP: 0018:ffffc90002cbf240 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffffd400019ab96 RCX: ffff888106735640
RDX: 0000000000000000 RSI: ffffc90002cbf3a0 RDI: ffffea0000cd5c80
RBP: ffffc90002cbf350 R08: ffffea0000cd5cb7 R09: 1ffffd400019ab96
R10: dffffc0000000000 R11: fffff9400019ab97 R12: ffffea0000cd5c80
R13: 0000000000000083 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007ff0ffff06c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556de86808 CR3: 00000000366c0000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 metapage_write_one+0x24c/0x450
 force_metapage+0x1a7/0x360
 txCommit+0x4c05/0x5430
 duplicateIXtree+0x292/0x490
 diAllocAG+0x17a7/0x1df0
 diAlloc+0x1d5/0x1680
 ialloc+0x8c/0x8f0
 jfs_mkdir+0x193/0xa70
 vfs_mkdir+0x306/0x510
 do_mkdirat+0x247/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff0ff18d457
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 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:00007ff0fffefe68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ff0fffefef0 RCX: 00007ff0ff18d457
RDX: 00000000000001ff RSI: 00002000000006c0 RDI: 00000000ffffff9c
RBP: 0000200000000200 R08: 0000200000000040 R09: 0000000000000000
R10: 0000200000000200 R11: 0000000000000246 R12: 00002000000006c0
R13: 00007ff0fffefeb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:metapage_write_folio+0xa8/0xca0
Code: e8 9d cc 7e fe 4d 8d 74 24 18 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 d2 35 e2 fe 4d 8b 36 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 b9 35 e2 fe 49 8b 1e 4d 8d 74 24
RSP: 0018:ffffc90002cbf240 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffffd400019ab96 RCX: ffff888106735640
RDX: 0000000000000000 RSI: ffffc90002cbf3a0 RDI: ffffea0000cd5c80
RBP: ffffc90002cbf350 R08: ffffea0000cd5cb7 R09: 1ffffd400019ab96
R10: dffffc0000000000 R11: fffff9400019ab97 R12: ffffea0000cd5c80
R13: 0000000000000083 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007ff0ffff06c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd5ee6d020 CR3: 00000000366c0000 CR4: 00000000000006f0
