[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <DB3PR10MB68356D7CDF6005480BE5876CE8DEA@DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM>
Date: Wed, 25 Oct 2023 07:22:45 +0530
From: Yuran Pereira <yuran.pereira@...mail.com>
To: yonghong.song@...ux.dev
Cc: Yuran Pereira <yuran.pereira@...mail.com>, shuah@...nel.org,
ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
martin.lau@...ux.dev, song@...nel.org, john.fastabend@...il.com,
kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
jolsa@...nel.org, mykolal@...com, brauner@...nel.org,
iii@...ux.ibm.com, kuifeng@...a.com, bpf@...r.kernel.org,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next] selftests/bpf: Add malloc failure checks in bpf_iter
Since some malloc calls in bpf_iter may at times fail,
this patch adds the appropriate fail checks, and ensures that
any previously allocated resource is appropriately destroyed
before returning the function.
This is patch 2 in the sequence should be applied after d1a88d37cecc
"selftests/bpf: Convert CHECK macros to ASSERT_* macros in bpf_iter"
Patch 1:
https://lore.kernel.org/lkml/DB3PR10MB683589A5F705C6CA5BE0D325E8DFA@DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM
Signed-off-by: Yuran Pereira <yuran.pereira@...mail.com>
---
tools/testing/selftests/bpf/prog_tests/bpf_iter.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
index 526ac4e741ee..c6cf42c64af3 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
@@ -700,7 +700,7 @@ static void test_overflow(bool test_e2big_overflow, bool ret1)
goto free_link;
buf = malloc(expected_read_len);
- if (!buf)
+ if (!ASSERT_OK_PTR(buf, "malloc"))
goto close_iter;
/* do read */
@@ -871,6 +871,10 @@ static void test_bpf_percpu_hash_map(void)
skel->rodata->num_cpus = bpf_num_possible_cpus();
val = malloc(8 * bpf_num_possible_cpus());
+ if (!ASSERT_OK_PTR(val, "malloc")) {
+ bpf_iter_bpf_percpu_hash_map__destroy(skel);
+ return;
+ }
err = bpf_iter_bpf_percpu_hash_map__load(skel);
if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_percpu_hash_map__load"))
@@ -1048,6 +1052,10 @@ static void test_bpf_percpu_array_map(void)
skel->rodata->num_cpus = bpf_num_possible_cpus();
val = malloc(8 * bpf_num_possible_cpus());
+ if (!ASSERT_OK_PTR(val, "malloc")) {
+ bpf_iter_bpf_percpu_array_map__destroy(skel);
+ return;
+ }
err = bpf_iter_bpf_percpu_array_map__load(skel);
if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_percpu_array_map__load"))
--
2.25.1
Powered by blists - more mailing lists