Unable to handle kernel paging request at virtual address dfff800000000006
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
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
[dfff800000000006] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4538 Comm: syz.4.24 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : rose_transmit_link+0x40/0x66c net/rose/rose_link.c:266
lr : rose_transmit_link+0x34/0x66c net/rose/rose_link.c:263
sp : ffff8000216a7860
x29: ffff8000216a7860 x28: dfff800000000000 x27: 1ffff000042d4f1c
x26: dfff800000000000 x25: 0000000000000032 x24: 0000000000000000
x23: ffff0000f2f5c5ad x22: 0000000000000000 x21: 0000000000000036
x20: ffff0000f323da00 x19: 0000000000000000 x18: 0000000000000000
x17: ffff80000fcc1000 x16: ffff8000082d25b8 x15: 0000000000000000
x14: 000000000000000f x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff00800010adab7c x10: 0000000000000000 x9 : 0000000000000006
x8 : 0000000000000006 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff80000fcdd550
x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffff0000f323da00
Call trace:
 rose_transmit_link+0x40/0x66c net/rose/rose_link.c:266
 rose_write_internal+0xeec/0x17c0 net/rose/rose_subr.c:198
 rose_release+0x208/0x4e0 net/rose/af_rose.c:671
 __sock_release net/socket.c:654 [inline]
 sock_close+0xb4/0x1f8 net/socket.c:1400
 __fput+0x1bc/0x7c0 fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x1ec/0x270 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2038/0x2b28 arch/arm64/kernel/signal.c:1137
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638
 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: 97d45c4c 9100da75 d343fea8 12000aa9 (38fa6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97d45c4c 	bl	0xffffffffff517130
   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