WARNING: can't access registers at asm_sysvec_call_function_single

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    f4d51dff Linux 5.9-rc4
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1455d4f9900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9
dashboard link: https://syzkaller.appspot.com/bug?extid=bc9dbf05dcc151e9b972
compiler:       gcc (GCC) 10.1.0-syz 20200507

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bc9dbf05dcc151e9b972@xxxxxxxxxxxxxxxxxxxxxxxxx

WARNING: can't access registers at asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:589


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