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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 18 Dec 2020 07:26:03 -0800
From:   syzbot <syzbot+dfd0b1c6705301cc4847@...kaller.appspotmail.com>
To:     b.zolnierkie@...sung.com, dan.carpenter@...cle.com,
        dri-devel@...ts.freedesktop.org, george.kennedy@...cle.com,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: BUG: unable to handle kernel paging request in cfb_imageblit

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=1149f30f500000
start commit:   22fbc037 Merge tag 'for-linus' of git://git.kernel.org/pub..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=4e672827d2ffab1f
dashboard link: https://syzkaller.appspot.com/bug?extid=dfd0b1c6705301cc4847
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11ba9a5d900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17cfd4af900000

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