From: Kumar Kartikeya Dwivedi memxor@gmail.com
[ Upstream commit efadf2ad17a2d5dc90bda4e6e8b2f96af4c62dae ]
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") Signed-off-by: Kumar Kartikeya Dwivedi memxor@gmail.com Signed-off-by: Alexei Starovoitov ast@kernel.org Acked-by: Andrii Nakryiko andrii@kernel.org Acked-by: Song Liu songliubraving@fb.com Link: https://lore.kernel.org/bpf/20211028063501.2239335-9-memxor@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 0252f61d611a9..97d8a6f84f4ab 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 @@ close_clean: err = system(cmd); CHECK(err, "failed to run command", "%s, errno = %d\n", cmd, errno); close_prog: + ring_buffer__free(ringbuf); ima__destroy(skel); }