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Code Issues Releases Activity

avcodec/mjpegdec: Check for end for both bytes in unescaping

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Fixes assertion failure
Fixes: c40c779601b77dc6e19aaea0b04b9751/signal_sigabrt_7ffff6ae7cb7_5769_b94f6ec70caecb2d3d76b4771b109ac1.avi

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-01-21 21:01:47 +01:00
parent d39c229e54
commit 509c9e74e5
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mjpegdec.c
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@ -1968,7 +1968,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
while (b < t) {
uint8_t x = src[b++];
put_bits(&pb, 8, x);
if (x == 0xFF) {
if (x == 0xFF && b < t) {
x = src[b++];
if (x & 0x80) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid escape sequence\n");