From: Martin Koegler <martin.koeg...@chello.at> Signed-off-by: Martin Koegler <martin.koeg...@chello.at> --- Applies on top of my size_t series
I'm not sure, if die or error is better. delta.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/delta.h b/delta.h index 2df0f55..18a4983 100644 --- a/delta.h +++ b/delta.h @@ -96,6 +96,11 @@ static inline size_t get_delta_hdr_size(const unsigned char **datap, cmd = *data++; size |= (cmd & 0x7f) << i; i += 7; + if (bitsizeof(size_t) <= i) { + error("too large object size"); + size = 0; + break; + } } while (cmd & 0x80 && data < top); *datap = data; return size; -- 2.1.4