linux-kernel - Re: [syzbot] WARNING in __perf_event

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:   Wed, 02 Nov 2022 22:26:17 -0700
From:   syzbot <syzbot+589d998651a580e6135d@...kaller.appspotmail.com>
To:     acme@...nel.org, alex.williamson@...hat.com,
        alexander.shishkin@...ux.intel.com, bpf@...r.kernel.org,
        cohuck@...hat.com, dvyukov@...gle.com, elver@...gle.com,
        jgg@...pe.ca, jolsa@...nel.org, kevin.tian@...el.com,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, mark.rutland@....com,
        mingo@...hat.com, namhyung@...nel.org, netdev@...r.kernel.org,
        peterz@...radead.org, shameerali.kolothum.thodi@...wei.com,
        syzkaller-bugs@...glegroups.com, yishaih@...dia.com
Subject: Re: [syzbot] WARNING in __perf_event_overflow

syzbot has bisected this issue to:

commit c1d050b0d169fd60c8acef157db53bd4e3141799
Author: Yishai Hadas <yishaih@...dia.com>
Date:   Thu Sep 8 18:34:45 2022 +0000

    vfio/mlx5: Create and destroy page tracker object

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=136eb2da880000
start commit:   88619e77b33d net: stmmac: rk3588: Allow multiple gmac cont..
git tree:       bpf
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10eeb2da880000
console output: https://syzkaller.appspot.com/x/log.txt?x=176eb2da880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8
dashboard link: https://syzkaller.appspot.com/bug?extid=589d998651a580e6135d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11eabcea880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10f7e632880000

Reported-by: syzbot+589d998651a580e6135d@...kaller.appspotmail.com
Fixes: c1d050b0d169 ("vfio/mlx5: Create and destroy page tracker object")

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