lbmIODone: I/O error in JFS log
*** Log Format Error ! ***
lmLogInit: exit(-22)
lmLogOpen: exit(-22)
Unable to handle kernel paging request at virtual address dfff800000000008
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000008] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 8529 Comm: syz-executor.2 Not tainted 6.3.0-rc7-syzkaller-g327bf9bb94cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline]
pc : txBegin+0x138/0x5e0 fs/jfs/jfs_txnmgr.c:366
lr : txBegin+0x104/0x5e0 fs/jfs/jfs_txnmgr.c:357
sp : ffff800022807660
x29: ffff800022807680 x28: dfff800000000000 x27: dfff800000000000
x26: ffff8000162181a0 x25: 0000000000000040 x24: 0000000000000000
x23: ffff800016215b00 x22: ffff0000cf46b630 x21: 0000000000000150
x20: 0000000000000008 x19: 0000000000000000 x18: ffff800022807360
x17: 0000000000000000 x16: ffff80000831a8d4 x15: 000000000003373d
x14: 000000000ed39283 x13: dfff800000000000 x12: ffff700004500eb4
x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000002
x8 : 1ffff00002c4152c x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000191fbf68 x4 : 0000000000000008 x3 : ffff80000831aa04
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 txBegin+0x138/0x5e0 fs/jfs/jfs_txnmgr.c:362
 __jfs_xattr_set+0xc8/0x190 fs/jfs/xattr.c:915
 jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:941
 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:203
 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:237
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:298
 vfs_setxattr+0x1a8/0x344 fs/xattr.c:324
 do_setxattr fs/xattr.c:609 [inline]
 setxattr+0x208/0x29c fs/xattr.c:632
 path_setxattr+0x17c/0x258 fs/xattr.c:651
 __do_sys_setxattr fs/xattr.c:667 [inline]
 __se_sys_setxattr fs/xattr.c:663 [inline]
 __arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:663
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: 9400012e aa1703e0 9594fcf4 350002f8 (387c6a88) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	9400012e 	bl	0x4b8
   4:	aa1703e0 	mov	x0, x23
   8:	9594fcf4 	bl	0x653f3d8
   c:	350002f8 	cbnz	w24, 0x68
* 10:	387c6a88 	ldrb	w8, [x20, x28] <-- trapping instruction