From 159d10fc2c72d1c4e7e2c8161810965505a0ad61 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 4 Aug 2002 19:28:27 +0000 Subject: hopefully fixing unreprodceable segfault when overreading the end if error_resilience==-1 (it didnt overread here though) Originally committed as revision 841 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/msmpeg4.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'libavcodec') diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c index 74c16994e5..1c53b8d0d1 100644 --- a/libavcodec/msmpeg4.c +++ b/libavcodec/msmpeg4.c @@ -1859,7 +1859,8 @@ static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block, if (i > 62){ i-= 192; if(i&(~63)){ - if((i+192 == 64 && level/qmul==-1) || s->error_resilience<0){ + const int left= s->gb.size*8 - get_bits_count(&s->gb); + if(((i+192 == 64 && level/qmul==-1) || s->error_resilience<0) && left>=0){ fprintf(stderr, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y); break; }else{ -- cgit v1.2.3