From 044ab532fcbbb457fce56c92b7ac99cfcc29a89a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 2 Aug 2023 02:01:33 +0200 Subject: [PATCH] avcodec/jpeg2000htdec: Avoid freeing uninitialized pointers in ff_jpeg2000_decode_htj2k() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes: freeing of uninitialized pointers Fixes: part of 58299 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Tomas Härdin Signed-off-by: Michael Niedermayer --- libavcodec/jpeg2000htdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/jpeg2000htdec.c b/libavcodec/jpeg2000htdec.c index 4c4e54710d..2b082b3b2f 100644 --- a/libavcodec/jpeg2000htdec.c +++ b/libavcodec/jpeg2000htdec.c @@ -1174,8 +1174,8 @@ ff_jpeg2000_decode_htj2k(const Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c int ret; /* Temporary buffers */ - int32_t *sample_buf; - uint8_t *block_states; + int32_t *sample_buf = NULL; + uint8_t *block_states = NULL; int32_t n, val; // Post-processing