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authorOtto Moerbeek <otto@cvs.openbsd.org>2017-04-18 15:46:45 +0000
committerOtto Moerbeek <otto@cvs.openbsd.org>2017-04-18 15:46:45 +0000
commitd594621d1e17808877ec4349feef66230a5830e0 (patch)
treeda8848652bee14f41339a2b9a0a780c5b6d590e8 /lib/libc/stdlib
parentcd7822d800a6792f32cf2c8d7b0afd6f066595e3 (diff)
don't forget to fill in canary bytes for posix_memalign(3); reported by
and ok jeremy@
Diffstat (limited to 'lib/libc/stdlib')
-rw-r--r--lib/libc/stdlib/malloc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index 5b92b56eb48..4e5176f71ee 100644
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: malloc.c,v 1.222 2017/04/17 16:36:35 otto Exp $ */
+/* $OpenBSD: malloc.c,v 1.223 2017/04/18 15:46:44 otto Exp $ */
/*
* Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net>
* Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -2018,6 +2018,9 @@ omemalign(struct dir_info *pool, size_t alignment, size_t sz, int zero_fill, voi
else
memset(p, SOME_JUNK, psz - mopts.malloc_guard);
}
+ else if (mopts.chunk_canaries)
+ fill_canary(p, sz - mopts.malloc_guard,
+ psz - mopts.malloc_guard);
return p;
}