From: Miaoqian Lin linmq006@gmail.com
[ 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@gmail.com Signed-off-by: Daniel Borkmann daniel@iogearbox.net Link: https://lore.kernel.org/bpf/20221206071906.806384-1-linmq006@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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; }