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authorotto <otto@openbsd.org>2019-05-23 06:43:18 +0000
committerotto <otto@openbsd.org>2019-05-23 06:43:18 +0000
commitfbc4bd4f48faff985c18d573d5b594722ae35518 (patch)
tree1527850e5805220146e5a4ab316eca15666d81a3 /lib/libc/stdlib/malloc.c
parentmatch radeondrm and switch DRM_INFO message with device id/asic name to (diff)
downloadwireguard-openbsd-fbc4bd4f48faff985c18d573d5b594722ae35518.tar.xz
wireguard-openbsd-fbc4bd4f48faff985c18d573d5b594722ae35518.zip
Only override size of chunk if we're not given the actual length.
Fixes malloc_conceal...freezero with malloc options C and/or G.
Diffstat (limited to 'lib/libc/stdlib/malloc.c')
-rw-r--r--lib/libc/stdlib/malloc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index ff41f613857..f2e82679e9d 100644
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: malloc.c,v 1.260 2019/05/10 15:03:24 otto Exp $ */
+/* $OpenBSD: malloc.c,v 1.261 2019/05/23 06:43:18 otto Exp $ */
/*
* Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net>
* Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -1371,7 +1371,8 @@ ofree(struct dir_info **argpool, void *p, int clear, int check, size_t argsz)
REALSIZE(sz, r);
if (pool->mmap_flag) {
clear = 1;
- argsz = sz;
+ if (!check)
+ argsz = sz;
}
if (check) {
if (sz <= MALLOC_MAXCHUNK) {