[PATCH AUTOSEL 5.4 015/108] selftests/bpf: Fix test_progs's parsing of test numbers
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STALE2376d
REVIEWED: 1 (0M)
From: Sasha Levin <sashal@kernel.org>
Date: 2020-04-11 23:32:23
Also in:
bpf, linux-kselftest, lkml, stable
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, Shuah Khan, Linus Torvalds
1 review trailer.
From: Andrii Nakryiko <redacted>
[ Upstream commit fc32490bff855a539d253c8a52c5a1ba51d1325a ]
When specifying disjoint set of tests, test_progs doesn't set skipped test's
array elements to false. This leads to spurious execution of tests that should
have been skipped. Fix it by explicitly initializing them to false.
Fixes: 3a516a0a3a7b ("selftests/bpf: add sub-tests support for test_progs")
Signed-off-by: Andrii Nakryiko <redacted>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <redacted>
Link: https://lore.kernel.org/bpf/20200314013932.4035712-2-andriin@fb.com (local)
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/testing/selftests/bpf/test_progs.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 3bf18364c67c9..751be17980a91 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c@@ -361,7 +361,7 @@ static int libbpf_print_fn(enum libbpf_print_level level, int parse_num_list(const char *s, struct test_selector *sel) { - int i, set_len = 0, num, start = 0, end = -1; + int i, set_len = 0, new_len, num, start = 0, end = -1; bool *set = NULL, *tmp, parsing_end = false; char *next;
@@ -396,18 +396,19 @@ int parse_num_list(const char *s, struct test_selector *sel) return -EINVAL; if (end + 1 > set_len) { - set_len = end + 1; - tmp = realloc(set, set_len); + new_len = end + 1; + tmp = realloc(set, new_len); if (!tmp) { free(set); return -ENOMEM; } + for (i = set_len; i < start; i++) + tmp[i] = false; set = tmp; + set_len = new_len; } - for (i = start; i <= end; i++) { + for (i = start; i <= end; i++) set[i] = true; - } - } if (!set)
--
2.20.1