linux-kernel - Re: BUG: unable to handle kernel paging request in pvclock_gtod

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Message-ID: <00000000000022d95405b308d905@google.com>
Date:   Sun, 01 Nov 2020 02:11:07 -0800
From:   syzbot <syzbot+815c663e220da75b02b6@...kaller.appspotmail.com>
To:     b.zolnierkie@...sung.com, bp@...en8.de, dan.carpenter@...cle.com,
        george.kennedy@...cle.com, hpa@...or.com, jmattson@...gle.com,
        joro@...tes.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, pbonzini@...hat.com,
        sean.j.christopherson@...el.com, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, vkuznets@...hat.com, wanpengli@...cent.com,
        x86@...nel.org
Subject: Re: BUG: unable to handle kernel paging request in pvclock_gtod_notify

syzbot suspects this issue was fixed by commit:

commit a49145acfb975d921464b84fe00279f99827d816
Author: George Kennedy <george.kennedy@...cle.com>
Date:   Tue Jul 7 19:26:03 2020 +0000

    fbmem: add margin check to fb_check_caps()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17499724500000
start commit:   60e72093 Merge tag 'clk-fixes-for-linus' of git://git.kern..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=89ab6a0c48f30b49
dashboard link: https://syzkaller.appspot.com/bug?extid=815c663e220da75b02b6
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1162b04d900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=135e7383900000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fbmem: add margin check to fb_check_caps()

For information about bisection process see: https://goo.gl/tpsmEJ#bisection