From: Dmitry Vyukov <dvyukov@google.com>
To: syzbot <syzbot+845923d2172947529b58@syzkaller.appspotmail.com>
Cc: andrii@kernel.org, Andrii Nakryiko <andriin@fb.com>,
Alexei Starovoitov <ast@kernel.org>, bpf <bpf@vger.kernel.org>,
coreteam@netfilter.org, Daniel Borkmann <daniel@iogearbox.net>,
David Miller <davem@davemloft.net>,
Jesper Dangaard Brouer <hawk@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Patrick McHardy <kaber@trash.net>,
Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>,
Martin KaFai Lau <kafai@fb.com>, KP Singh <kpsingh@chromium.org>,
kpsingh@kernel.org, Jakub Kicinski <kuba@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
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Ingo Molnar <mingo@redhat.com>,
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NetFilter <netfilter-devel@vger.kernel.org>,
Pablo Neira Ayuso <pablo@netfilter.org>,
Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
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syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
yhs@fb.com
Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in bpf_trace_run2
Date: Tue, 13 Apr 2021 19:20:57 +0200 [thread overview]
Message-ID: <CACT4Y+bEt4rPp-WdDe5gs89bNBjwMe0OSuwCyOT1eioKPjXYyA@mail.gmail.com> (raw)
In-Reply-To: <0000000000002c193805bee0f97c@google.com>
On Thu, Apr 1, 2021 at 5:39 AM syzbot
<syzbot+845923d2172947529b58@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit befe6d946551d65cddbd32b9cb0170b0249fd5ed
> Author: Steven Rostedt (VMware) <rostedt@goodmis.org>
> Date: Wed Nov 18 14:34:05 2020 +0000
>
> tracepoint: Do not fail unregistering a probe due to memory failure
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=123358a1d00000
> start commit: 70b97111 bpf: Use hlist_add_head_rcu when linking to local..
> git tree: bpf-next
> kernel config: https://syzkaller.appspot.com/x/.config?x=7e0ca96a9b6ee858
> dashboard link: https://syzkaller.appspot.com/bug?extid=845923d2172947529b58
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10193f3b900000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=168c729b900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: tracepoint: Do not fail unregistering a probe due to memory failure
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
Looks reasonable:
#syz fix:
tracepoint: Do not fail unregistering a probe due to memory failure
prev parent reply other threads:[~2021-04-13 17:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 10:02 KASAN: vmalloc-out-of-bounds Read in bpf_trace_run2 syzbot
2021-04-01 3:39 ` [syzbot] " syzbot
2021-04-13 17:20 ` Dmitry Vyukov [this message]
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