[PATCH bpf-next v4 8/8] selftests/bpf: Fix memory leak in test_ima
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STALE1832d
SUPERSEDED: 2 (1M)
From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Date: 2021-10-20 19:15:56
Also in:
bpf
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
Status: Superseded by v5 (posted 2021-10-28). [go to v5]
Revision v4 (4 revisions archived); 2 review trailers (1 from subsystem maintainers).
Revisions (4)
The allocated ring buffer is never freed, do so in the cleanup path.
Fixes: f446b570ac7e ("bpf/selftests: Update the IMA test to use BPF ring buffer")
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <redacted>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
tools/testing/selftests/bpf/prog_tests/test_ima.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/test_ima.c b/tools/testing/selftests/bpf/prog_tests/test_ima.c
index 0252f61d611a..97d8a6f84f4a 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_ima.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_ima.c@@ -43,7 +43,7 @@ static int process_sample(void *ctx, void *data, size_t len) void test_test_ima(void) { char measured_dir_template[] = "/tmp/ima_measuredXXXXXX"; - struct ring_buffer *ringbuf; + struct ring_buffer *ringbuf = NULL; const char *measured_dir; char cmd[256];
@@ -85,5 +85,6 @@ void test_test_ima(void) err = system(cmd); CHECK(err, "failed to run command", "%s, errno = %d\n", cmd, errno); close_prog: + ring_buffer__free(ringbuf); ima__destroy(skel); }
--
2.33.1