diff options
| author | Otto Moerbeek <otto@cvs.openbsd.org> | 2021-04-19 06:43:16 +0000 |
|---|---|---|
| committer | Otto Moerbeek <otto@cvs.openbsd.org> | 2021-04-19 06:43:16 +0000 |
| commit | 2b40a6bcd46d55362efcfd4d2267e3d67067306a (patch) | |
| tree | 9606d0bc7d10cce80590a6eb0f94f75c6c9f42e6 | |
| parent | 9dcf06442d37ef54db36258d57b85998c01cc273 (diff) | |
Same internal consistency check as libc malloc: size in hash table
should correspond to size of chunk meta data
| -rw-r--r-- | libexec/ld.so/malloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libexec/ld.so/malloc.c b/libexec/ld.so/malloc.c index 3dba1283fd2..c5eae02e8f6 100644 --- a/libexec/ld.so/malloc.c +++ b/libexec/ld.so/malloc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: malloc.c,v 1.31 2020/12/26 13:17:33 otto Exp $ */ +/* $OpenBSD: malloc.c,v 1.32 2021/04/19 06:43:15 otto Exp $ */ /* * Copyright (c) 2008, 2010, 2011 Otto Moerbeek <otto@drijf.net> * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org> @@ -950,7 +950,10 @@ ofree(void *p) } else { void *tmp; int i; + struct chunk_info *info = (struct chunk_info *)r->size; + if (info->size != sz) + wrterror("internal struct corrupt"); find_chunknum(g_pool, r, p, CHUNK_CANARIES); for (i = 0; i <= MALLOC_DELAYED_CHUNK_MASK; i++) { if (p == g_pool->delayed_chunks[i]) |