On Tue, Sep 14, 2021 at 1:36 PM Rafael David Tinoco
<rafaeldtinoco@xxxxxxxxx> wrote:
>
> Fix commit 467b3225553a ("libbpf: Introduce legacy kprobe events
> support") build issue under FORTIFY_SOURCE.
>
> Reported-by: sunyucong@xxxxxxxxx
> Cc: andrii.nakryiko@xxxxxxxxx
> Signed-off-by: Rafael David Tinoco <rafaeldtinoco@xxxxxxxxx>
> ---
> 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";
It doesn't look that it solves the issue:
https://github.com/kernel-patches/bpf/runs/3603448190
