ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Aug 1 00:50:21 2019 +0200| [52939a2c5772ec00101d293695d0a96dcccf99d9] | committer: Michael Niedermayer
avcodec/indeo2: Check remaining input more often Fixes: Timeout (95sec -> 30ms) Fixes: 14765/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO2_fuzzer-5692455527120896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpe Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=52939a2c5772ec00101d293695d0a96dcccf99d9 --- libavcodec/indeo2.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c index 09cb560d8e..f367682e61 100644 --- a/libavcodec/indeo2.c +++ b/libavcodec/indeo2.c @@ -79,10 +79,11 @@ 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); + int c; + if (get_bits_left(&ctx->gb) <= 0) + return AVERROR_INVALIDDATA; + c = ir2_get_code(&ctx->gb); if (c >= 0x80) { /* we have a skip */ c -= 0x7F; if (out + c*2 > width) @@ -123,9 +124,9 @@ 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) { + if (get_bits_left(&ctx->gb) <= 0) + return AVERROR_INVALIDDATA; c = ir2_get_code(&ctx->gb); if (c >= 0x80) { /* we have a skip */ c -= 0x7F; _______________________________________________ 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".
