From 886dd058fe133bcc227d291b4fbf99aaed9c9a45 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 23 Sep 2024 19:57:28 +0200 Subject: [PATCH] avcodec/ilbcdec: Initialize tempbuff2 Fixes: Use of uninitialized value Fixes: 71350/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-6322020827070464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 4482218440534804d067de00ee1a4bc493c8b41d) Signed-off-by: Michael Niedermayer --- libavcodec/ilbcdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ilbcdec.c b/libavcodec/ilbcdec.c index ba1da168bc..7fea39b43c 100644 --- a/libavcodec/ilbcdec.c +++ b/libavcodec/ilbcdec.c @@ -658,7 +658,7 @@ static void get_codebook(int16_t * cbvec, /* (o) Constructed codebook vector * int16_t k, base_size; int16_t lag; /* Stack based */ - int16_t tempbuff2[SUBL + 5]; + int16_t tempbuff2[SUBL + 5] = {0}; /* Determine size of codebook sections */ base_size = lMem - cbveclen + 1;