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Diffstat (limited to 'tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c')
-rw-r--r--tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c
index 16f1671e4bde..66191ae9863c 100644
--- a/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c
+++ b/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c
@@ -33,11 +33,11 @@ static void create_inner_maps(enum bpf_map_type map_type,
{
int map_fd, map_index, ret;
__u32 map_key = 0, map_id;
- char map_name[15];
+ char map_name[16];
for (map_index = 0; map_index < OUTER_MAP_ENTRIES; map_index++) {
memset(map_name, 0, sizeof(map_name));
- sprintf(map_name, "inner_map_fd_%d", map_index);
+ snprintf(map_name, sizeof(map_name), "inner_map_fd_%d", map_index);
map_fd = bpf_map_create(map_type, map_name, sizeof(__u32),
sizeof(__u32), 1, NULL);
CHECK(map_fd < 0,