From 6707152f08bbb413329f4460ed604ad58583d972 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 20 Oct 2020 17:18:11 +0200 Subject: [PATCH] avcodec/notchlc: Revert incorrect compression bound Revert "avcodec/notchlc: Check uncompressed size against input for LZ4" Found-by: durandal_1707 This reverts commit 51002362c4ed301e54cea1597666cd5cc9a134f3. --- libavcodec/notchlc.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/libavcodec/notchlc.c b/libavcodec/notchlc.c index d13ce3193c..3f7079da70 100644 --- a/libavcodec/notchlc.c +++ b/libavcodec/notchlc.c @@ -490,11 +490,6 @@ static int decode_frame(AVCodecContext *avctx, bytestream2_init(gb, s->lzf_buffer, uncompressed_size); } else if (s->format == 1) { - unsigned remaining = bytestream2_get_bytes_left(gb); - - if (remaining > 0x7E000000U || remaining + remaining/255 + 16 < uncompressed_size) - return AVERROR_INVALIDDATA; - av_fast_padded_malloc(&s->uncompressed_buffer, &s->uncompressed_size, uncompressed_size); if (!s->uncompressed_buffer)