blob: 276c64d45c8b1d60beb970765f83f57bac94db06 [file] [log] [blame]
From f09a490ce67d81022fbf693e425f38d59ce8d69b Mon Sep 17 00:00:00 2001
From: Quentin Monnet <>
Date: Thu, 15 Aug 2019 15:32:17 +0100
Subject: [PATCH] tools: bpftool: fix argument for p_err() in BTF do_dump()
commit ed4a3983cd3eb93aaf80de8d8a36efed808acff2 upstream.
The last argument passed to one call to the p_err() function is not
correct, it should be "*argv" instead of "**argv". This may lead to a
segmentation fault error if BTF id cannot be parsed correctly. Let's fix
Fixes: c93cc69004dt ("bpftool: add ability to dump BTF types")
Signed-off-by: Quentin Monnet <>
Reviewed-by: Jakub Kicinski <>
Signed-off-by: Alexei Starovoitov <>
Signed-off-by: Paul Gortmaker <>
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 7317438ecd9e..1fbf353364d6 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -517,7 +517,7 @@ static int do_dump(int argc, char **argv)
btf_id = strtoul(*argv, &endptr, 0);
if (*endptr) {
- p_err("can't parse %s as ID", **argv);
+ p_err("can't parse %s as ID", *argv);
return -1;