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[bpf,v4,3/3] bpf: test_maps, only support ESTABLISHED socks

Message ID 20180918160154.22728.81929.stgit@john-Precision-Tower-5810
State Accepted, archived
Delegated to: BPF Maintainers
Headers show
Series bpf, sockmap ESTABLISHED state only | expand

Commit Message

John Fastabend Sept. 18, 2018, 4:01 p.m. UTC 
Ensure that sockets added to a sock{map|hash} that is not in the
ESTABLISHED state is rejected.

Fixes: 1aa12bdf1bfb ("bpf: sockmap, add sock close() hook to remove socks")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
---
 tools/testing/selftests/bpf/test_maps.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
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Patch

diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 6f54f84..9b552c0 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -580,7 +580,11 @@  static void test_sockmap(int tasks, void *data)
 	/* Test update without programs */
 	for (i = 0; i < 6; i++) {
 		err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_ANY);
-		if (err) {
+		if (i < 2 && !err) {
+			printf("Allowed update sockmap '%i:%i' not in ESTABLISHED\n",
+			       i, sfd[i]);
+			goto out_sockmap;
+		} else if (i >= 2 && err) {
 			printf("Failed noprog update sockmap '%i:%i'\n",
 			       i, sfd[i]);
 			goto out_sockmap;
@@ -741,7 +745,7 @@  static void test_sockmap(int tasks, void *data)
 	}
 
 	/* Test map update elem afterwards fd lives in fd and map_fd */
-	for (i = 0; i < 6; i++) {
+	for (i = 2; i < 6; i++) {
 		err = bpf_map_update_elem(map_fd_rx, &i, &sfd[i], BPF_ANY);
 		if (err) {
 			printf("Failed map_fd_rx update sockmap %i '%i:%i'\n",
@@ -845,7 +849,7 @@  static void test_sockmap(int tasks, void *data)
 	}
 
 	/* Delete the elems without programs */
-	for (i = 0; i < 6; i++) {
+	for (i = 2; i < 6; i++) {
 		err = bpf_map_delete_elem(fd, &i);
 		if (err) {
 			printf("Failed delete sockmap %i '%i:%i'\n",