linux-kernel - Re: [syzbot] [perf?] general protection fault in inherit_task

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Date:   Wed, 29 Nov 2023 04:17:05 -0800
From:   syzbot <syzbot+756fe9affda890e892ae@...kaller.appspotmail.com>
To:     acme@...nel.org, adrian.hunter@...el.com,
        alexander.shishkin@...ux.intel.com, bpf@...r.kernel.org,
        irogers@...gle.com, jolsa@...nel.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, mark.rutland@....com,
        mingo@...nel.org, mingo@...hat.com, namhyung@...nel.org,
        netdev@...r.kernel.org, peterz@...radead.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [perf?] general protection fault in inherit_task_group

syzbot suspects this issue was fixed by commit:

commit a71ef31485bb51b846e8db8b3a35e432cc15afb5
Author: Peter Zijlstra <peterz@...radead.org>
Date:   Tue Oct 24 09:42:21 2023 +0000

    perf/core: Fix potential NULL deref

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17172162e80000
start commit:   6808918343a8 net: bridge: fill in MODULE_DESCRIPTION()
git tree:       bpf-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=429fa76d04cf393c
dashboard link: https://syzkaller.appspot.com/bug?extid=756fe9affda890e892ae
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12db572b680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10839a1b680000

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

#syz fix: perf/core: Fix potential NULL deref

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