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ffmpeg.wasm-core
Commit 39993860 authored by Laurent Aimar's avatar Laurent Aimar Committed by Michael Niedermayer
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Prevent infinite loop in the ANM decoder. 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent d39d7122
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libavcodec/anm.c
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...@@ -79,6 +79,8 @@ static inline int op(uint8_t **dst, const uint8_t *dst_end, ...@@ -79,6 +79,8 @@ static inline int op(uint8_t **dst, const uint8_t *dst_end,
int striplen = FFMIN(count, remaining); int striplen = FFMIN(count, remaining);
if (buf) { if (buf) {
striplen = FFMIN(striplen, buf_end - *buf); striplen = FFMIN(striplen, buf_end - *buf);
if (*buf >= buf_end)
goto exhausted;
memcpy(*dst, *buf, striplen); memcpy(*dst, *buf, striplen);
*buf += striplen; *buf += striplen;
} else if (pixel >= 0) } else if (pixel >= 0)
......
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