selftests/bpf: Fix a fd leak in an error path in network_helpers.c

[ Upstream commit 226efec2b0 ]

In __start_server, it leaks a fd when setsockopt(SO_REUSEPORT) fails.
This patch fixes it.

Fixes: eed92afdd1 ("bpf: selftest: Test batching and bpf_(get|set)sockopt in bpf tcp iter")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20230316000726.1016773-2-martin.lau@linux.dev
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Martin KaFai Lau 2023-03-15 17:07:26 -07:00 committed by Greg Kroah-Hartman
parent 0324300dce
commit b73438a4a6

View file

@ -95,7 +95,7 @@ static int __start_server(int type, int protocol, const struct sockaddr *addr,
if (reuseport &&
setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &on, sizeof(on))) {
log_err("Failed to set SO_REUSEPORT");
return -1;
goto error_close;
}
if (bind(fd, addr, addrlen) < 0) {