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authorGeliang Tang <tanggeliang@kylinos.cn>2024-05-11 11:50:24 +0300
committerAlexei Starovoitov <ast@kernel.org>2024-05-13 03:28:42 +0300
commita3c1c95538e22283ef6fa529e3ffa0e6d47ee190 (patch)
treeeeb34020f3711932589566cb22bd238be943b34c /tools
parent5ddafcc377f98778acc08f660dee6400aece6a62 (diff)
downloadlinux-a3c1c95538e22283ef6fa529e3ffa0e6d47ee190.tar.xz
selftests/bpf: Free strdup memory in xdp_hw_metadata
The strdup() function returns a pointer to a new string which is a duplicate of the string "ifname". Memory for the new string is obtained with malloc(), and need to be freed with free(). This patch adds this missing "free(saved_hwtstamp_ifname)" in cleanup() to avoid a potential memory leak in xdp_hw_metadata.c. Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Link: https://lore.kernel.org/r/af9bcccb96655e82de5ce2b4510b88c9c8ed5ed0.1715417367.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/bpf/xdp_hw_metadata.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/xdp_hw_metadata.c b/tools/testing/selftests/bpf/xdp_hw_metadata.c
index 0859fe727da7..6f9956eed797 100644
--- a/tools/testing/selftests/bpf/xdp_hw_metadata.c
+++ b/tools/testing/selftests/bpf/xdp_hw_metadata.c
@@ -581,6 +581,8 @@ static void cleanup(void)
if (bpf_obj)
xdp_hw_metadata__destroy(bpf_obj);
+
+ free((void *)saved_hwtstamp_ifname);
}
static void handle_signal(int sig)