From: Daniel Borkmann <daniel@iogearbox.net>
To: syzbot <syzbot+0cd01c9e0f5cd37a357e@syzkaller.appspotmail.com>,
ast@kernel.org, bpf@vger.kernel.org, davem@davemloft.net,
hawk@kernel.org, jakub.kicinski@netronome.com,
john.fastabend@gmail.com, kafai@fb.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
yhs@fb.com
Subject: Re: KASAN: use-after-free Read in is_bpf_text_address
Date: Tue, 22 Oct 2019 16:25:22 +0200 [thread overview]
Message-ID: <32ff9867-ceeb-de21-afca-70eeb8282e89@iogearbox.net> (raw)
In-Reply-To: <000000000000da1dfc0595801e46@google.com>
On 10/22/19 3:53 PM, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 4fe34d61 Merge branch 'x86-urgent-for-linus' of git://git...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15b01a60e00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=f0a8b0a0736a2ac1
> dashboard link: https://syzkaller.appspot.com/bug?extid=0cd01c9e0f5cd37a357e
> compiler: clang version 9.0.0 (/home/glider/llvm/clang 80fee25776c2fb61e74c1ecb1a523375c2500b69)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161f89f7600000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e2d0f8e00000
Fixed by (also just checked via syz test): https://patchwork.ozlabs.org/patch/1181358/
Thanks,
Daniel
prev parent reply other threads:[~2019-10-22 14:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-22 13:53 KASAN: use-after-free Read in is_bpf_text_address syzbot
2019-10-22 14:25 ` Daniel Borkmann [this message]
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