* FITS demuxer.
*/
+#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "internal.h"
#include "libavutil/opt.h"
size += header->pcount;
t = (abs(header->bitpix) >> 3) * ((int64_t) header->gcount);
- if(size && t > UINT64_MAX / size)
+ if(size && t > INT64_MAX / size)
return AVERROR_INVALIDDATA;
size *= t;
if (!size) {
image = 0;
} else {
- if(FITS_BLOCK_SIZE - 1 > UINT64_MAX - size)
+ if(FITS_BLOCK_SIZE - 1 > INT64_MAX - size)
return AVERROR_INVALIDDATA;
size = ((size + FITS_BLOCK_SIZE - 1) / FITS_BLOCK_SIZE) * FITS_BLOCK_SIZE;
}
goto fail;
}
+ av_assert0(avbuf.len <= INT64_MAX && size <= INT64_MAX);
+ if (avbuf.len + size > INT_MAX - 80) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
// Header is sent with the first line removed...
ret = av_new_packet(pkt, avbuf.len - 80 + size);
if (ret < 0)