[PATCH bpf 2/2] selftests/bpf: Add negative test cases for snprintf

[Paul Chaignon <paul.chaignon@xxxxxxxxx>]

This patch adds a couple negative test cases with a trailing % at the
end of the format string.

Signed-off-by: Paul Chaignon <paul.chaignon@xxxxxxxxx>
---
 tools/testing/selftests/bpf/prog_tests/snprintf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/bpf/prog_tests/snprintf.c b/tools/testing/selftests/bpf/prog_tests/snprintf.c
index 4be6fdb78c6a..594441acb707 100644
--- a/tools/testing/selftests/bpf/prog_tests/snprintf.c
+++ b/tools/testing/selftests/bpf/prog_tests/snprintf.c
@@ -116,6 +116,8 @@ static void test_snprintf_negative(void)
 	ASSERT_ERR(load_single_snprintf("%llc"), "invalid specifier 7");
 	ASSERT_ERR(load_single_snprintf("\x80"), "non ascii character");
 	ASSERT_ERR(load_single_snprintf("\x1"), "non printable character");
+	ASSERT_ERR(load_single_snprintf("%p%"), "invalid specifier 8");
+	ASSERT_ERR(load_single_snprintf("%s%"), "invalid specifier 9");
 }
 
 void test_snprintf(void)
-- 
2.43.0