From: Steven Rostedt <rostedt@goodmis.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: paulmck <paulmck@kernel.org>, Matt Mullins <mmullins@mmlx.us>,
Ingo Molnar <mingo@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Dmitry Vyukov <dvyukov@google.com>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH] bpf: don't fail kmalloc while releasing raw_tp
Date: Mon, 16 Nov 2020 16:06:51 -0500 [thread overview]
Message-ID: <20201116160651.0e2d9b63@gandalf.local.home> (raw)
In-Reply-To: <20201116160218.3b705345@gandalf.local.home>
On Mon, 16 Nov 2020 16:02:18 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:
> + if (new) {
> + for (i = 0; old[i].func; i++)
> + if (old[i].func != tp_func->func
> + || old[i].data != tp_func->data)
> + new[j++] = old[i];
Oops, need to check for old[i].func != tp_stub_func here too.
-- Steve
> + new[nr_probes - nr_del].func = NULL;
> + } else {
next prev parent reply other threads:[~2020-11-16 21:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 11:54 KASAN: vmalloc-out-of-bounds Read in bpf_trace_run3 syzbot
2020-11-11 14:57 ` Dmitry Vyukov
2020-11-13 5:37 ` Matt Mullins
2020-11-13 16:08 ` Yonghong Song
2021-02-10 18:23 ` Eric Dumazet
2021-02-10 19:52 ` Steven Rostedt
2020-11-15 5:52 ` [PATCH] bpf: don't fail kmalloc while releasing raw_tp Matt Mullins
2020-11-16 17:19 ` Steven Rostedt
2020-11-16 20:37 ` Mathieu Desnoyers
2020-11-16 20:44 ` Steven Rostedt
2020-11-16 21:02 ` Steven Rostedt
2020-11-16 21:06 ` Steven Rostedt [this message]
2020-11-16 21:34 ` Mathieu Desnoyers
2020-11-16 22:10 ` Steven Rostedt
2020-11-17 23:05 ` Mathieu Desnoyers
2020-11-18 0:42 ` Matt Mullins
2020-11-18 1:09 ` Steven Rostedt
2020-11-18 4:57 ` Paul E. McKenney
2020-11-16 21:21 ` Mathieu Desnoyers
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