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Only make buffer smaller in fill_buffer() if read_packet() is set. 

Fixes a possible invalid free().
This commit is contained in:
Carl Eugen Hoyos 2011-04-04 16:43:15 +02:00
parent 37ffba2a44
commit 02fd687bbe
1 changed files with 1 additions and 1 deletions
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2
libavformat/aviobuf.c
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@ -556,7 +556,7 @@ static void fill_buffer(AVIOContext *s)
}
/* make buffer smaller in case it ended up large after probing */
if (s->buffer_size > max_buffer_size) {
if (s->read_packet && s->buffer_size > max_buffer_size) {
ffio_set_buf_size(s, max_buffer_size);
s->checksum_ptr = dst = s->buffer;