From: Stefano Brivio <sbrivio@redhat.com>
To: syzbot <syzbot+09d51a30df9fe76edb2a@syzkaller.appspotmail.com>
Cc: davem@davemloft.net, fweisbec@gmail.com, kuznet@ms2.inr.ac.ru,
linux-kernel@vger.kernel.org, mingo@kernel.org,
netdev@vger.kernel.org, sd@queasysnail.net,
syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
yoshfuji@linux-ipv6.org, Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: KASAN: slab-out-of-bounds Read in tick_sched_handle
Date: Sat, 16 Mar 2019 16:52:41 +0100 [thread overview]
Message-ID: <20190316165241.2855f966@elisabeth> (raw)
In-Reply-To: <00000000000093e58e0584374110@google.com>
On Sat, 16 Mar 2019 07:49:01 -0700
syzbot <syzbot+09d51a30df9fe76edb2a@syzkaller.appspotmail.com> wrote:
> syzbot has bisected this bug to:
>
> commit b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e
> Author: Stefano Brivio <sbrivio@redhat.com>
> Date: Thu Nov 8 11:19:23 2018 +0000
>
> fou, fou6: ICMP error handlers for FoU and GUE
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f943e7200000
> start commit: b8a51b38 fou, fou6: ICMP error handlers for FoU and GUE
> git tree: upstream
> final crash: https://syzkaller.appspot.com/x/report.txt?x=15f943e7200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=11f943e7200000
> kernel config: https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
> dashboard link: https://syzkaller.appspot.com/bug?extid=09d51a30df9fe76edb2a
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17359fab400000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154a2a37400000
>
> Reported-by: syzbot+09d51a30df9fe76edb2a@syzkaller.appspotmail.com
> Fixes: b8a51b38 ("fou, fou6: ICMP error handlers for FoU and GUE")
Might be fixed by bc6e019b6ee6 ("fou: Prevent unbounded recursion in GUE
error handler also with UDP-Lite"), testing/checking now.
--
Stefano
next prev parent reply other threads:[~2019-03-16 15:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <000000000000551b80057d31a5f7@google.com>
2019-03-16 14:49 ` KASAN: slab-out-of-bounds Read in tick_sched_handle syzbot
2019-03-16 15:52 ` Stefano Brivio [this message]
2019-03-16 16:07 ` Dmitry Vyukov
2019-03-16 16:22 ` Stefano Brivio
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