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Linshizhi
ffmpeg.wasm-core
Commits
c54eef46
Commit
c54eef46
authored
Sep 21, 2016
by
Carl Eugen Hoyos
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lavc/avpacket: Fix undefined behaviour, do not pass a null pointer to memcpy().
Fixes ticket #5857.
parent
7447ec91
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avpacket.c
libavcodec/avpacket.c
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libavcodec/avpacket.c
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c54eef46
...
...
@@ -139,7 +139,8 @@ int av_grow_packet(AVPacket *pkt, int grow_by)
pkt
->
buf
=
av_buffer_alloc
(
new_size
);
if
(
!
pkt
->
buf
)
return
AVERROR
(
ENOMEM
);
memcpy
(
pkt
->
buf
->
data
,
pkt
->
data
,
pkt
->
size
);
if
(
pkt
->
size
>
0
)
memcpy
(
pkt
->
buf
->
data
,
pkt
->
data
,
pkt
->
size
);
pkt
->
data
=
pkt
->
buf
->
data
;
}
pkt
->
size
+=
grow_by
;
...
...
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