commit 69f631d93578026c42de78c0165983c036f7b135
from: Omar Polo <op@omarpolo.com>
date: Sun Jul 25 09:58:39 2021 UTC

fix possible overflow

sizeof(buf) should be equal to howmuch, otherwise we may end up reading
with tls_read out of bounds and corrupting the stack.

commit - d07b8b873f8ff0e2499a25910f9edc02611a7da3
commit + 69f631d93578026c42de78c0165983c036f7b135
blob - 3e6726f3b89de15d813296cfcb0f1ba9a6c22f14
blob + 99a98e62e7983cd13bbf1baba51ab642d96b05d0
--- net.c
+++ net.c
@@ -357,7 +357,7 @@ net_tls_readcb(int fd, short event, void *d)
 {
 	struct bufferevent	*bufev = d;
 	struct req		*req = bufev->cbarg;
-	char			 buf[BUFSIZ];
+	char			 buf[IBUF_READ_SIZE];
 	int			 what = EVBUFFER_READ;
 	int			 howmuch = IBUF_READ_SIZE;
 	ssize_t			 ret;