ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Feb 9 18:09:24 2020 +0100| [62e4003780cad60ac1371fef892da08c27069964] | committer: Michael Niedermayer
libavcodec/wmalosslessdec: prevent sum of positive numbers from becoming negative Fixes: left shift of negative value -8321365 Fixes: 20506/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-4798062906310656 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=62e4003780cad60ac1371fef892da08c27069964 --- libavcodec/wmalosslessdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index 8885487980..c6c13fb417 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -164,7 +164,7 @@ typedef struct WmallDecodeCtx { int transient_pos[WMALL_MAX_CHANNELS]; int seekable_tile; - int ave_sum[WMALL_MAX_CHANNELS]; + unsigned ave_sum[WMALL_MAX_CHANNELS]; int channel_residues[WMALL_MAX_CHANNELS][WMALL_BLOCK_MAX_SIZE]; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
