linux-kernel - WARNING: can't access registers at asm_exc_general

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Message-ID: <0000000000005435f305aec852b7@google.com>
Date:   Tue, 08 Sep 2020 00:31:21 -0700
From:   syzbot <syzbot+037ca50874f4d39f375d@...kaller.appspotmail.com>
To:     alexandre.chartre@...cle.com, bp@...en8.de, hpa@...or.com,
        linux-kernel@...r.kernel.org, luto@...nel.org, mingo@...hat.com,
        peterz@...radead.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, x86@...nel.org
Subject: WARNING: can't access registers at asm_exc_general_protection

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=135135cd900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9
dashboard link: https://syzkaller.appspot.com/bug?extid=037ca50874f4d39f375d
compiler:       gcc (GCC) 10.1.0-syz 20200507
userspace arch: i386

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+037ca50874f4d39f375d@...kaller.appspotmail.com

WARNING: can't access registers at asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:532


---
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