ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Feb 25 01:43:16 2017 +0100| [310d2af319d9113263f75e94f5a1b211c05260b5] | committer: Michael Niedermayer
avcodec/pngdec: Fix runtime error: left shift of 152 by 24 places cannot be represented in type 'int' Fixes: 666/clusterfuzz-testcase-6581447227867136 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=310d2af319d9113263f75e94f5a1b211c05260b5 --- libavcodec/pngdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index c2ea4d2..a4eb6cc 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -796,7 +796,7 @@ static int decode_trns_chunk(AVCodecContext *avctx, PNGDecContext *s, return AVERROR_INVALIDDATA; for (i = 0; i < length; i++) { - v = bytestream2_get_byte(&s->gb); + unsigned v = bytestream2_get_byte(&s->gb); s->palette[i] = (s->palette[i] & 0x00ffffff) | (v << 24); } } else if (s->color_type == PNG_COLOR_TYPE_GRAY || s->color_type == PNG_COLOR_TYPE_RGB) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
