linux-kernel - Re: general protection fault in tss_update_io

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Date:   Thu, 21 Nov 2019 12:19:01 -0800
From:   syzbot <syzbot+81e6ff9d4cdb05fd4f5e@...kaller.appspotmail.com>
To:     adobriyan@...il.com, ak@...ux.intel.com, bigeasy@...utronix.de,
        bp@...en8.de, fenghua.yu@...el.com, frederic@...nel.org,
        hpa@...or.com, keescook@...omium.org, kernelfans@...il.com,
        len.brown@...el.com, linux-kernel@...r.kernel.org,
        longman@...hat.com, luto@...nel.org, mingo@...hat.com,
        peterz@...radead.org, rafael.j.wysocki@...el.com, riel@...riel.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        tim.c.chen@...ux.intel.com, tonywwang-oc@...oxin.com,
        wang.yi59@....com.cn, x86@...nel.org
Subject: Re: general protection fault in tss_update_io_bitmap

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+81e6ff9d4cdb05fd4f5e@...kaller.appspotmail.com

Tested on:

commit:         e3cb0c71 x86/ioperm: Fix use of deprecated config option
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=1fc51b2845bfe6fc
dashboard link: https://syzkaller.appspot.com/bug?extid=81e6ff9d4cdb05fd4f5e
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)

Note: testing is done by a robot and is best-effort only.