[PATCH] libosmocore[master]: test_gsm0808_enc_dec_speech_codec_with_cfg: initialize properly

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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Sun Apr 15 21:44:11 UTC 2018


Review at  https://gerrit.osmocom.org/7815

test_gsm0808_enc_dec_speech_codec_with_cfg: initialize properly

The uninitialized members of enc_sc sporadically hit address sanitizer failure
during gsm0808_test, like:
../../../../src/libosmocore/src/gsm/gsm0808_utils.c:187:8: runtime error: load of value 13, which is not a valid value for type '_Bool'
../../../../src/libosmocore/src/gsm/gsm0808_utils.c:191:8: runtime error: load of value 119, which is not a valid value for type '_Bool'

How the test survived so long is a mystery to me; as soon as some uninitialized
members would by coincidence not be zero, the test should always have failed at
OSMO_ASSERT(memcmp(&enc_sc, &dec_sc, sizeof(enc_sc)) == 0).

Related: OS#3148
Change-Id: Iaa20c59f624fbdc69a018cabd0f7e9c5a1389519
---
M tests/gsm0808/gsm0808_test.c
1 file changed, 7 insertions(+), 7 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/15/7815/1

diff --git a/tests/gsm0808/gsm0808_test.c b/tests/gsm0808/gsm0808_test.c
index a9ab72b..49673fe 100644
--- a/tests/gsm0808/gsm0808_test.c
+++ b/tests/gsm0808/gsm0808_test.c
@@ -595,16 +595,16 @@
 
 static void test_gsm0808_enc_dec_speech_codec_with_cfg()
 {
-	struct gsm0808_speech_codec enc_sc;
-	struct gsm0808_speech_codec dec_sc;
+	struct gsm0808_speech_codec enc_sc = {
+		.pi = true,
+		.tf = true,
+		.type = GSM0808_SCT_FR3,
+		.cfg = 0xabcd,
+	};
+	struct gsm0808_speech_codec dec_sc = {};
 	struct msgb *msg;
 	uint8_t rc_enc;
 	int rc_dec;
-
-	enc_sc.pi = true;
-	enc_sc.tf = true;
-	enc_sc.type = GSM0808_SCT_FR3;
-	enc_sc.cfg = 0xabcd;
 
 	msg = msgb_alloc(1024, "output buffer");
 	rc_enc = gsm0808_enc_speech_codec(msg, &enc_sc);

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Iaa20c59f624fbdc69a018cabd0f7e9c5a1389519
Gerrit-PatchSet: 1
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>



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