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Date: Wed, 11 Nov 2020 14:11:47 +0100
From: Dmitry Vyukov <dvyukov@...gle.com>
To: syzbot <syzbot+ba4bcf1563f90386910f@...kaller.appspotmail.com>,
LKML <linux-kernel@...r.kernel.org>,
syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
netdev <netdev@...r.kernel.org>
Subject: Re: KASAN: use-after-free Write in tcindex_change
On Fri, Apr 17, 2020 at 9:05 PM syzbot
<syzbot+ba4bcf1563f90386910f@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this bug was fixed by commit:
>
> commit 0d1c3530e1bd38382edef72591b78e877e0edcd3
> Author: Cong Wang <xiyou.wangcong@...il.com>
> Date: Thu Mar 12 05:42:28 2020 +0000
>
> net_sched: keep alloc_hash updated after hash allocation
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15a956d7e00000
> start commit: ac309e77 Merge branch 'for-linus' of git://git.kernel.org/..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=6dfa02302d6db985
> dashboard link: https://syzkaller.appspot.com/bug?extid=ba4bcf1563f90386910f
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1771b973e00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1248a61de00000
>
> If the result looks correct, please mark the bug fixed by replying with:
>
> #syz fix: net_sched: keep alloc_hash updated after hash allocation
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
#syz fix: net_sched: keep alloc_hash updated after hash allocation
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