RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-02-15 19:27:28 +00:00
Code Issues Projects Releases Wiki Activity

avcodec/sgidec: fix count check

Browse Source 
Fixes: asan_heap-oob_22b30d4_39_038.sgi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a050cf0c45)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-10-27 20:48:58 +01:00
parent ca47574e16
commit 73c6520c09
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/sgidec.c
View File

@ -98,7 +98,7 @@ static int expand_rle_row16(SgiState *s, uint16_t *out_buf,
break; break;
/* Check for buffer overflow. */ /* Check for buffer overflow. */
if (pixelstride * (count - 1) >= len) { if (out_end - out_buf <= pixelstride * (count - 1)) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid pixel count.\n"); av_log(s->avctx, AV_LOG_ERROR, "Invalid pixel count.\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }