commit 9c8bf18964a7751ad34d51de04bf84f96956cc9e
from: Stefan Sperling <stsp@stsp.name>
via: Thomas Adam <thomas@xteddy.org>
date: Sat Feb 12 17:22:05 2022 UTC

set zlib output buffer length properly after resizing the output buffer

ok millert naddy

commit - f6a55b4019ef1be061bac7e315541d2389a7bd1d
commit + 9c8bf18964a7751ad34d51de04bf84f96956cc9e
blob - 833d2e05dfe063a461c46a6fa502c2f1144ba185
blob + ffefe8d4e6ed7e2b338aa97ea44f95f7faee3434
--- lib/inflate.c
+++ lib/inflate.c
@@ -323,7 +323,6 @@ got_inflate_to_mem(uint8_t **outbuf, size_t *outlen,
 		if (zb.flags & GOT_INFLATE_F_HAVE_MORE) {
 			if (outbuf == NULL)
 				continue;
-			zb.outlen = (nbuf * GOT_INFLATE_BUFSIZE) - *outlen;
 			newbuf = reallocarray(*outbuf, ++nbuf,
 			    GOT_INFLATE_BUFSIZE);
 			if (newbuf == NULL) {
@@ -335,6 +334,7 @@ got_inflate_to_mem(uint8_t **outbuf, size_t *outlen,
 			}
 			*outbuf = newbuf;
 			zb.outbuf = newbuf + *outlen;
+			zb.outlen = (nbuf * GOT_INFLATE_BUFSIZE) - *outlen;
 		}
 	} while (zb.flags & GOT_INFLATE_F_HAVE_MORE);
 
@@ -383,7 +383,6 @@ got_inflate_to_mem_fd(uint8_t **outbuf, size_t *outlen
 		if (zb.flags & GOT_INFLATE_F_HAVE_MORE) {
 			if (outbuf == NULL)
 				continue;
-			zb.outlen = (nbuf * GOT_INFLATE_BUFSIZE) - *outlen;
 			newbuf = reallocarray(*outbuf, ++nbuf,
 			    GOT_INFLATE_BUFSIZE);
 			if (newbuf == NULL) {
@@ -395,6 +394,7 @@ got_inflate_to_mem_fd(uint8_t **outbuf, size_t *outlen
 			}
 			*outbuf = newbuf;
 			zb.outbuf = newbuf + *outlen;
+			zb.outlen = (nbuf * GOT_INFLATE_BUFSIZE) - *outlen;
 		}
 	} while (zb.flags & GOT_INFLATE_F_HAVE_MORE);