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: 1 UID: 0 PID: 8718 Comm: syz.7.330 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : rose_transmit_link+0x40/0x674 net/rose/rose_link.c:266
lr : rose_transmit_link+0x34/0x674 net/rose/rose_link.c:263
sp : ffff80009c587860
x29: ffff80009c587860 x28: dfff800000000000 x27: 1ffff000138b0f1c
x26: dfff800000000000 x25: 0000000000000032 x24: 0000000000000000
x23: ffff0000d675a60d x22: 0000000000000000 x21: 0000000000000036
x20: ffff0000f2ee1140 x19: 0000000000000000 x18: 00000000ffffffff
x17: ffff800093599000 x16: ffff80008af04608 x15: 0000000000000001
x14: 0000000000000000 x13: 000000000000000f x12: 0000000000ff0100
x11: ffff0000d6148000 x10: 0000000000ff0100 x9 : 0000000000000006
x8 : 0000000000000006 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff8000891b87bc
x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffff0000f2ee1140
Call trace:
 rose_transmit_link+0x40/0x674 net/rose/rose_link.c:266 (P)
 rose_write_internal+0xef0/0x17c4 net/rose/rose_subr.c:198
 rose_release+0x220/0x4f8 net/rose/af_rose.c:671
 __sock_release net/socket.c:662 [inline]
 sock_close+0xa0/0x1e4 net/socket.c:1455
 __fput+0x340/0x75c fs/file_table.c:468
 ____fput+0x20/0x58 fs/file_table.c:496
 task_work_run+0x1dc/0x260 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x52c/0x1a1c kernel/exit.c:971
 do_group_exit+0x194/0x22c kernel/exit.c:1112
 __do_sys_exit_group kernel/exit.c:1123 [inline]
 __se_sys_exit_group kernel/exit.c:1121 [inline]
 pid_child_should_wake+0x0/0x1dc kernel/exit.c:1121
 __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/0x26c 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: 978310cf 9100da75 d343fea8 12000aa9 (38fa6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	978310cf 	bl	0xfffffffffe0c433c
   4:	9100da75 	add	x21, x19, #0x36
   8:	d343fea8 	lsr	x8, x21, #3
   c:	12000aa9 	and	w9, w21, #0x7
* 10:	38fa6908 	ldrsb	w8, [x8, x26] <-- trapping instruction