From: Uwe Hermann <redacted>
Date: Fri, 2 Sep 2016 18:06:07 +0000 (+0200)
Subject: csv: Fix a segfault due to a g_malloc() allocating too few bytes.
X-Git-Tag: libsigrok-0.5.0~221
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=e34dbc9d0834d9dac310bc2dce844567adfffd08;p=libsigrok.git

csv: Fix a segfault due to a g_malloc() allocating too few bytes.
---

diff --git a/src/output/csv.c b/src/output/csv.c
index 6900200d..e14984ef 100644
--- a/src/output/csv.c
+++ b/src/output/csv.c
@@ -319,7 +319,7 @@ static void process_analog(struct context *ctx,
 	num_channels = g_slist_length(meaning->channels);
 	ctx->channels_seen += num_channels;
 	sr_dbg("Processing packet of %u analog channels", num_channels);
-	fdata = g_malloc(analog->num_samples * num_channels);
+	fdata = g_malloc(analog->num_samples * num_channels * sizeof(float));
 	if ((ret = sr_analog_to_float(analog, fdata)) != SR_OK)
 		sr_warn("Problems converting data to floating point values.");