From b29feec9829cfab2523c8d95e35bd69e689ea4af Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 1 May 2017 18:53:52 +0200 Subject: avcodec/indeo2: Check remaining bits in ir2_decode_plane() Fixes: 1290/clusterfuzz-testcase-minimized-5815578902134784 Fixes: timeout Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/indeo2.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'libavcodec/indeo2.c') diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c index c89845233e..f1324e4635 100644 --- a/libavcodec/indeo2.c +++ b/libavcodec/indeo2.c @@ -77,6 +77,8 @@ static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst for (j = 1; j < height; j++) { out = 0; + if (get_bits_left(&ctx->gb) <= 0) + return AVERROR_INVALIDDATA; while (out < width) { int c = ir2_get_code(&ctx->gb); if (c >= 0x80) { /* we have a skip */ @@ -116,6 +118,8 @@ static int ir2_decode_plane_inter(Ir2Context *ctx, int width, int height, uint8_ for (j = 0; j < height; j++) { out = 0; + if (get_bits_left(&ctx->gb) <= 0) + return AVERROR_INVALIDDATA; while (out < width) { c = ir2_get_code(&ctx->gb); if (c >= 0x80) { /* we have a skip */ -- cgit v1.2.3