Unable to handle kernel paging request at virtual address dfff800000000070
KASAN: null-ptr-deref in range [0x0000000000000380-0x0000000000000387]
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
[dfff800000000070] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5330 Comm: syz.3.320 Not tainted 6.1.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : rose_link_up net/rose/rose_link.c:124 [inline]
pc : rose_transmit_link+0xf4/0x66c net/rose/rose_link.c:271
lr : rose_link_up net/rose/rose_link.c:124 [inline]
lr : rose_transmit_link+0xd0/0x66c net/rose/rose_link.c:271
sp : ffff800021167920
x29: ffff800021167920 x28: dfff800000000000 x27: 1ffff0000422cf34
x26: dfff800000000000 x25: ffff0000f4d888b7 x24: ffff0000f4d888b6
x23: ffff800013a9f140 x22: 0000000000000055 x21: 0000000000000380
x20: ffff0000dd08ba00 x19: ffff0000f2f13000 x18: 0000000000000000
x17: ffff80000fc86c34 x16: ffff8000082d2400 x15: 0000000000000002
x14: 0000000000000000 x13: 0000000000ff0100 x12: 0000000000080000
x11: 0000000000001175 x10: ffff8000254e9000 x9 : ffff800010aa8278
x8 : 0000000000000070 x7 : 0000000000000000 x6 : 000000000000002a
x5 : ffff0000f4d888be x4 : ffff800013a9f141 x3 : ffff800010ab072c
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 rose_link_up net/rose/rose_link.c:124 [inline]
 rose_transmit_link+0xf4/0x66c net/rose/rose_link.c:271
 rose_write_internal+0xeec/0x17c0 net/rose/rose_subr.c:198
 rose_connect+0x8bc/0xfe8 net/rose/af_rose.c:879
 __sys_connect_file net/socket.c:2011 [inline]
 __sys_connect+0x264/0x28c net/socket.c:2028
 __do_sys_connect net/socket.c:2038 [inline]
 __se_sys_connect net/socket.c:2035 [inline]
 __arm64_sys_connect+0x7c/0x94 net/socket.c:2035
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 97d4e6d3 f94002a8 910e0115 d343fea8 (387a6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97d4e6d3 	bl	0xffffffffff539b4c
   4:	f94002a8 	ldr	x8, [x21]
   8:	910e0115 	add	x21, x8, #0x380
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	387a6908 	ldrb	w8, [x8, x26] <-- trapping instruction