diff options
author | Otto Moerbeek <otto@cvs.openbsd.org> | 2020-11-23 15:42:12 +0000 |
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committer | Otto Moerbeek <otto@cvs.openbsd.org> | 2020-11-23 15:42:12 +0000 |
commit | f1197d24659c50a179cb662441330efa623b84cc (patch) | |
tree | d241c57b98e6bcf41405673894a6c50d00d66a56 /lib/libc | |
parent | fcf23ae715af00a1d452ad792ef4c1c261765c79 (diff) |
mapalign() only handles allocations >= a page; problem found by and ok semarie@
Diffstat (limited to 'lib/libc')
-rw-r--r-- | lib/libc/stdlib/malloc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c index 86670fca876..7004a0aa368 100644 --- a/lib/libc/stdlib/malloc.c +++ b/lib/libc/stdlib/malloc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: malloc.c,v 1.266 2020/10/12 22:08:33 deraadt Exp $ */ +/* $OpenBSD: malloc.c,v 1.267 2020/11/23 15:42:11 otto Exp $ */ /* * Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net> * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org> @@ -1957,6 +1957,8 @@ omemalign(struct dir_info *pool, size_t alignment, size_t sz, int zero_fill, return NULL; } + if (sz < MALLOC_PAGESIZE) + sz = MALLOC_PAGESIZE; sz += mopts.malloc_guard; psz = PAGEROUND(sz); |