From: Dmitry Vyukov <dvyukov@google.com>
To: syzbot <syzbot+2182db487a523d86bf34@syzkaller.appspotmail.com>
Cc: David Miller <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
LKML <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>,
Stefano Brivio <sbrivio@redhat.com>,
Sabrina Dubroca <sd@queasysnail.net>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Subject: Re: kernel BUG at mm/slab.c:LINE! (3)
Date: Thu, 21 Mar 2019 07:00:54 +0100 [thread overview]
Message-ID: <CACT4Y+aE4Pi85OH-vDzNkSVxo6Qw3vgN94KGtF7PTWUcHwMAeA@mail.gmail.com> (raw)
In-Reply-To: <000000000000c6a7d005848cd56d@google.com>
On Wed, Mar 20, 2019 at 9:55 PM syzbot
<syzbot+2182db487a523d86bf34@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=161b63cf200000
> start commit: b8a51b38 fou, fou6: ICMP error handlers for FoU and GUE
> git tree: net-next
> final crash: https://syzkaller.appspot.com/x/report.txt?x=151b63cf200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=111b63cf200000
> kernel config: https://syzkaller.appspot.com/x/.config?x=4a0a89f12ca9b0f5
> dashboard link: https://syzkaller.appspot.com/bug?extid=2182db487a523d86bf34
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148d46d5400000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15c6a225400000
>
> Reported-by: syzbot+2182db487a523d86bf34@syzkaller.appspotmail.com
> Fixes: b8a51b38 ("fou, fou6: ICMP error handlers for FoU and GUE")
That commit caused lots of crashes that look completely differently.
Now all that is fixed. The last crash for this bugs happened 2+ months
ago. So let's just do:
#syz fix:
fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite
prev parent reply other threads:[~2019-03-21 6:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-14 7:18 kernel BUG at mm/slab.c:LINE! (3) syzbot
2018-11-16 21:56 ` Dmitry Vyukov
2019-03-20 20:55 ` syzbot
2019-03-21 6:00 ` Dmitry Vyukov [this message]
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