netdev - Re: [syzbot] KASAN: use-after-free Read in nfc_llcp_sock

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Message-ID: <00000000000064e7d505c4214310@google.com>
Date:   Sun, 06 Jun 2021 16:27:07 -0700
From:   syzbot <syzbot+8b7c5fc0cfb74afee8d1@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, benjamin.tissoires@...hat.com,
        bp@...en8.de, davem@...emloft.net, hpa@...or.com, jikos@...nel.org,
        jkosina@...e.cz, jmattson@...gle.com, joro@...tes.org,
        kuba@...nel.org, kvm@...r.kernel.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, mark.rutland@....com,
        masahiroy@...nel.org, maxtram95@...il.com, mingo@...hat.com,
        netdev@...r.kernel.org, pbonzini@...hat.com, peterz@...radead.org,
        rafael.j.wysocki@...el.com, rostedt@...dmis.org, seanjc@...gle.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        tseewald@...il.com, vkuznets@...hat.com, wanpengli@...cent.com,
        will@...nel.org, x86@...nel.org
Subject: Re: [syzbot] KASAN: use-after-free Read in nfc_llcp_sock_unlink

syzbot suspects this issue was fixed by commit:

commit f567d6ef8606fb427636e824c867229ecb5aefab
Author: Maxim Mikityanskiy <maxtram95@...il.com>
Date:   Sun Feb 7 14:47:40 2021 +0000

    HID: plantronics: Workaround for double volume key presses

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14e41588300000
start commit:   bbd6f0a9 bnxt_en: Fix RX consumer index logic in the error..
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=339c2ecce8fdd1d0
dashboard link: https://syzkaller.appspot.com/bug?extid=8b7c5fc0cfb74afee8d1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1712a893d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1298b469d00000

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

#syz fix: HID: plantronics: Workaround for double volume key presses

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