From 3197b0099bb275bbaeb459c0ea103854eac10987 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 18 Mar 2020 20:20:43 +0100 Subject: avcodec/siren: Fix integer overflow in get_dw() Fixes: signed integer overflow: 685813396 + 1803454769 cannot be represented in type 'int' Fixes: 21073/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SIREN_fuzzer-5744900508483584 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavcodec/siren.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/siren.c b/libavcodec/siren.c index 76dfe62843..1c17d4505d 100644 --- a/libavcodec/siren.c +++ b/libavcodec/siren.c @@ -363,7 +363,7 @@ typedef struct SirenContext { int sample_rate_bits; int region_size; - int dw1, dw2, dw3, dw4; + unsigned dw1, dw2, dw3, dw4; int absolute_region_power_index[32]; float decoder_standard_deviation[32]; -- cgit v1.2.3