From: Pavel Skripkin <paskripkin@gmail.com>
To: syzbot <syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com>
Cc: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org,
coreteam@netfilter.org, daniel@iogearbox.net,
davem@davemloft.net, dsahern@kernel.org, fw@strlen.de,
john.fastabend@gmail.com, jonathan.lemon@gmail.com,
kadlec@netfilter.org, kafai@fb.com, kpsingh@kernel.org,
kuba@kernel.org, linux-kernel@vger.kernel.org,
matthieu.baerts@tessares.net, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org, pablo@netfilter.org,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
unixbhaskar@gmail.com, yhs@fb.com, yoshfuji@linux-ipv6.org,
zhengyongjun3@huawei.com
Subject: Re: [syzbot] general protection fault in kcm_sendmsg
Date: Mon, 7 Jun 2021 20:45:42 +0300 [thread overview]
Message-ID: <20210607204542.4ad0b33e@gmail.com> (raw)
In-Reply-To: <000000000000b3f96105c42ef146@google.com>
On Mon, 07 Jun 2021 08:46:26 -0700
syzbot <syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com> wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 1a802423 virtio-net: fix for skb_over_panic inside
> big mode git tree: bpf
> console output:
> https://syzkaller.appspot.com/x/log.txt?x=159b08afd00000 kernel
> config: https://syzkaller.appspot.com/x/.config?x=770708ea7cfd4916
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=65badd5e74ec62cb67dc syz
> repro:
> https://syzkaller.appspot.com/x/repro.syz?x=104624afd00000 C
> reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e36197d00000
>
> The issue was bisected to:
>
> commit f9006acc8dfe59e25aa75729728ac57a8d84fc32
> Author: Florian Westphal <fw@strlen.de>
> Date: Wed Apr 21 07:51:08 2021 +0000
>
> netfilter: arp_tables: pass table pointer via nf_hook_ops
>
It's c47cc304990a ("net: kcm: fix memory leak in kcm_sendmsg") where
the bug was introduced by me :(
I've already sent a revert
With regards,
Pavel Skripkin
next prev parent reply other threads:[~2021-06-07 17:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 15:46 [syzbot] general protection fault in kcm_sendmsg syzbot
2021-06-07 17:45 ` Pavel Skripkin [this message]
2021-06-08 10:16 ` Pavel Skripkin
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