From: Rafael David Tinoco <rafaeldtinoco@gmail.com>
To: rafaeldtinoco@gmail.com
Cc: andrii.nakryiko@gmail.com, bpf@vger.kernel.org, sunyucong@gmail.com
Subject: [PATCH bpf-next] libbpf: fix build error introduced by legacy kprobe feature
Date: Tue, 14 Sep 2021 17:34:58 -0300 [thread overview]
Message-ID: <20210914203458.2102503-1-rafaeldtinoco@gmail.com> (raw)
In-Reply-To: <7500F71C-79CF-449C-819E-7734B6B62EA5@gmail.com>
Fix commit 467b3225553a ("libbpf: Introduce legacy kprobe events
support") build issue under FORTIFY_SOURCE.
Reported-by: sunyucong@gmail.com
Cc: andrii.nakryiko@gmail.com
Signed-off-by: Rafael David Tinoco <rafaeldtinoco@gmail.com>
---
tools/lib/bpf/libbpf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 6ecfdc1fa7ba..b45eab3d30cd 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8997,7 +8997,7 @@ static int poke_kprobe_events(bool add, const char *name, bool retprobe, uint64_
{
int fd, ret = 0;
pid_t p = getpid();
- char cmd[192], probename[128], probefunc[128];
+ char cmd[192] = "\0", probename[128] = "\0", probefunc[128] = "\0";
const char *file = "/sys/kernel/debug/tracing/kprobe_events";
if (retprobe)
--
2.30.2
next prev parent reply other threads:[~2021-09-14 20:35 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 5:33 [PATCH v3 bpf-next 00/14] BPF perf link and user-provided bpf_cookie Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 01/14] bpf: refactor BPF_PROG_RUN into a function Andrii Nakryiko
2021-07-30 17:19 ` Yonghong Song
2021-08-09 22:43 ` Daniel Borkmann
2021-08-10 0:28 ` Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 02/14] bpf: refactor BPF_PROG_RUN_ARRAY family of macros into functions Andrii Nakryiko
2021-08-09 23:00 ` Daniel Borkmann
2021-08-10 0:36 ` Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 03/14] bpf: refactor perf_event_set_bpf_prog() to use struct bpf_prog input Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 04/14] bpf: implement minimal BPF perf link Andrii Nakryiko
2021-07-30 17:24 ` Yonghong Song
2021-07-30 5:34 ` [PATCH v3 bpf-next 05/14] bpf: allow to specify user-provided bpf_cookie for BPF perf links Andrii Nakryiko
2021-07-30 22:02 ` Yonghong Song
2021-08-09 23:30 ` Daniel Borkmann
2021-08-10 0:52 ` Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 06/14] bpf: add bpf_get_attach_cookie() BPF helper to access bpf_cookie value Andrii Nakryiko
2021-07-30 22:13 ` Yonghong Song
2021-07-30 5:34 ` [PATCH v3 bpf-next 07/14] libbpf: re-build libbpf.so when libbpf.map changes Andrii Nakryiko
2021-07-30 22:31 ` Yonghong Song
2021-07-30 5:34 ` [PATCH v3 bpf-next 08/14] libbpf: remove unused bpf_link's destroy operation, but add dealloc Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 09/14] libbpf: use BPF perf link when supported by kernel Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 10/14] libbpf: add bpf_cookie support to bpf_link_create() API Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 11/14] libbpf: add bpf_cookie to perf_event, kprobe, uprobe, and tp attach APIs Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 12/14] selftests/bpf: test low-level perf BPF link API Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 13/14] selftests/bpf: extract uprobe-related helpers into trace_helpers.{c,h} Andrii Nakryiko
2021-07-30 5:34 ` [PATCH v3 bpf-next 14/14] selftests/bpf: add bpf_cookie selftests for high-level APIs Andrii Nakryiko
2021-08-01 5:11 ` [PATCH bpf-next v4] libbpf: introduce legacy kprobe events support Rafael David Tinoco
2021-08-06 22:29 ` Andrii Nakryiko
2021-09-12 6:48 ` [PATCH bpf-next v5] " Rafael David Tinoco
2021-09-12 6:52 ` Rafael David Tinoco
2021-09-14 4:44 ` Andrii Nakryiko
2021-09-14 5:02 ` Rafael David Tinoco
2021-09-14 5:21 ` Andrii Nakryiko
2021-09-14 14:27 ` sunyucong
2021-09-14 15:42 ` Rafael David Tinoco
2021-09-14 20:34 ` Rafael David Tinoco [this message]
2021-09-14 21:04 ` [PATCH bpf-next] libbpf: fix build error introduced by legacy kprobe feature Alexei Starovoitov
2021-09-14 21:35 ` [PATCH bpf-next v2] " Rafael David Tinoco
2021-09-14 21:39 ` Rafael David Tinoco
2021-09-14 21:48 ` Andrii Nakryiko
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