virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-08 13:22:53 +02:00
Code Issues Releases Activity

avcodec/jpeg2000dec: Check for duplicate SIZ marker

Browse Source 
Fixes: 0231a17345734228011c6f35a64e4594/asan_heap-oob_1d92a72_3218_1213809a9e3affec77e4c191fdfdc0a9.mov

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 44a7f17d0b)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-14 00:51:56 +01:00
parent 34f2d74555
commit dbfec68d32
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/jpeg2000dec.c
View File

@ -1817,6 +1817,7 @@ static void jpeg2000_dec_cleanup(Jpeg2000DecoderContext *s)
memset(s->properties, 0, sizeof(s->properties));
memset(&s->poc , 0, sizeof(s->poc));
s->numXtiles = s->numYtiles = 0;
s->ncomponents = 0;
}
static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
@ -1874,6 +1875,10 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
switch (marker) {
case JPEG2000_SIZ:
if (s->ncomponents) {
av_log(s->avctx, AV_LOG_ERROR, "Duplicate SIZ\n");
return AVERROR_INVALIDDATA;
}
ret = get_siz(s);
if (!s->tile)
s->numXtiles = s->numYtiles = 0;