Unable to handle kernel paging request at virtual address dfff800000000006
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000006] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 12804 Comm: syz.0.1598 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
pc : lmLogSync+0x220/0x894 fs/jfs/jfs_logmgr.c:937
lr : write_special_inodes fs/jfs/jfs_logmgr.c:207 [inline]
lr : lmLogSync+0x1fc/0x894 fs/jfs/jfs_logmgr.c:937
sp : ffff80009f927a80
x29: ffff80009f927b50 x28: ffff0000d56c2108 x27: dfff800000000000
x26: ffff800080e572b4 x25: ffff0000d56c2000 x24: ffff80009f927aa0
x23: 0000000000000000 x22: ffff700013f24f54 x21: 0000000000000030
x20: ffff0001032d2a38 x19: ffff0000d5b0e000 x18: 0000000000000000
x17: ffff80010c9ca000 x16: ffff80008ad68dc8 x15: 0000000000000002
x14: 0000000000000000 x13: ffff700013f24f3a x12: 0000000000000000
x11: 0000000000080000 x10: 00000000000077fb x9 : 9961299d90787a00
x8 : 0000000000000006 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffffffffffffffd0 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline] (P)
 lmLogSync+0x220/0x894 fs/jfs/jfs_logmgr.c:937 (P)
 jfs_syncpt+0x70/0x94 fs/jfs/jfs_logmgr.c:1041
 jfs_sync_fs+0x8c/0xac fs/jfs/super.c:650
 sync_fs_one_sb+0xd8/0x120 fs/sync.c:84
 __iterate_supers+0x140/0x5bc fs/super.c:923
 iterate_supers+0x2c/0x3c fs/super.c:938
 ksys_sync+0xb0/0x164 fs/sync.c:104
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: 97c10485 f94002a8 9100c115 d343fea8 (387b6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97c10485 	bl	0xffffffffff041214
   4:	f94002a8 	ldr	x8, [x21]
   8:	9100c115 	add	x21, x8, #0x30
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction