From: Miaoqian Lin <linmq006@xxxxxxxxx>
[ Upstream commit fa55ef14ef4fe06198c0ce811b603aec24134bc2 ]
strdup() allocates memory for path. We need to release the memory in the
following error path. Add free() to avoid memory leak.
Fixes: 8f184732b60b ("bpftool: Switch to libbpf's hashmap for pinned paths of BPF objects")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20221206071906.806384-1-linmq006@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/bpf/bpftool/common.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 3bdbc0ce75b1..e54487e4005d 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -499,6 +499,7 @@ static int do_build_table_cb(const char *fpath, const struct stat *sb,
if (err) {
p_err("failed to append entry to hashmap for ID %u, path '%s': %s",
pinned_info.id, path, strerror(errno));
+ free(path);
goto out_close;
}
--
2.35.1
