The previous check only caught sizes from -AV_INPUT_BUFFER_PADDING_SIZE
to -1.
This fixes ubsan runtime error: signed integer overflow:
2147483647 + 32
cannot be represented in type 'int'
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
static int packet_alloc(AVBufferRef **buf, int size)
{
int ret;
- if ((unsigned)size >= (unsigned)size + AV_INPUT_BUFFER_PADDING_SIZE)
+ if (size < 0 || size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
return AVERROR(EINVAL);
ret = av_buffer_realloc(buf, size + AV_INPUT_BUFFER_PADDING_SIZE);