"prog_cnt" is the number of elements which are filled out in prog_fd[]
so the test should be >= instead of >.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/samples/bpf/test_cgrp2_sock2.c b/samples/bpf/test_cgrp2_sock2.c
index 3b5be2364975..a9277b118c33 100644
--- a/samples/bpf/test_cgrp2_sock2.c
+++ b/samples/bpf/test_cgrp2_sock2.c
@@ -51,7 +51,7 @@ int main(int argc, char **argv)
if (argc > 3)
filter_id = atoi(argv[3]);
- if (filter_id > prog_cnt) {
+ if (filter_id >= prog_cnt) {
printf("Invalid program id; program not found in file\n");
return EXIT_FAILURE;
}
--
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