Extend extbuf in try_read_command_binary function
Extbuf needs to have 48 bytes because it is used
for protocol_binary_request_incr union. Unions member
message is alligned to 48 bytes.
@@ -110,7 +110,10 @@ int try_read_command_binary(conn *c) {
// want to refactor a ton of code either. Header is only ever used out
// of c->binary_header, but the extlen stuff is used for the latter
// bytes. Just wastes 24 bytes on the stack this way.
- char extbuf[sizeof(c->binary_header) + BIN_MAX_EXTLEN+1];
+
+ // +4 need to be here because extbuf is used for protocol_binary_request_incr
+ // and its member message is alligned to 48 bytes intead of 44
+ char extbuf[sizeof(c->binary_header) + BIN_MAX_EXTLEN+4];
memcpy(extbuf + sizeof(c->binary_header), c->rcurr + sizeof(c->binary_header),
extlen > BIN_MAX_EXTLEN ? BIN_MAX_EXTLEN : extlen);
c->rbytes -= sizeof(c->binary_header) + extlen + keylen;
