Thread (10 messages) 10 messages, 3 authors, 1d ago
WARM1d REVIEWED: 3 (3M)

[PATCH bpf v3 1/4] selftests/bpf: Ensure UDP sockets are bound

From: Michal Luczaj <hidden>
Date: 2026-07-01 23:29:12
Also in: bpf, linux-kselftest, lkml
Subsystem: bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest · Maintainers: Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Linus Torvalds

Update sockmap_basic tests to bind sockets before they are used. This
accommodates the recent change in sockmap that rejects unbound UDP sockets.

Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Michal Luczaj <redacted>
---
 tools/testing/selftests/bpf/prog_tests/sockmap_basic.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index cb3229711f93..2d22a9058a8e 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -853,7 +853,7 @@ static void test_sockmap_many_socket(void)
 		return;
 	}
 
-	udp = xsocket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, 0);
+	udp = socket_loopback(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK);
 	if (udp < 0) {
 		close(dgram);
 		close(tcp);
@@ -922,7 +922,7 @@ static void test_sockmap_many_maps(void)
 		return;
 	}
 
-	udp = xsocket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, 0);
+	udp = socket_loopback(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK);
 	if (udp < 0) {
 		close(dgram);
 		close(tcp);
@@ -993,7 +993,7 @@ static void test_sockmap_same_sock(void)
 		return;
 	}
 
-	udp = xsocket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, 0);
+	udp = socket_loopback(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK);
 	if (udp < 0) {
 		close(dgram);
 		close(tcp);
-- 
2.54.0
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