Fixes: assertion failure Fixes: out of array access Fixes: 32664/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6533642202513408.fuzz Fixes: 32669/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6001928875147264
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/pnm_parser.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pnm_parser.c b/libavcodec/pnm_parser.c index f3be6d640c..a822c17a2e 100644 --- a/libavcodec/pnm_parser.c +++ b/libavcodec/pnm_parser.c @@ -111,7 +111,7 @@ retry: } else { int ret = av_image_get_buffer_size(avctx->pix_fmt, avctx->width, avctx->height, 1); next = pnmctx.bytestream - pnmctx.bytestream_start + skip; - if (ret >= 0) + if (ret >= 0 && next + (uint64_t)ret <= INT_MAX) next += ret; } if (next != END_NOT_FOUND && pnmctx.bytestream_start != buf + skip) -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
