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From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 4 Apr 2017 16:26:46 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r316493 - head/sys/vm
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X-List-Received-Date: Tue, 04 Apr 2017 16:26:47 -0000
Author: jhb
Date: Tue Apr 4 16:26:46 2017
New Revision: 316493
URL: https://svnweb.freebsd.org/changeset/base/316493
Log:
Assert that the align parameter to uma_zcreate() is valid.
Reviewed by: kib
MFC after: 1 week
Sponsored by: DARPA / AFRL
Differential Revision: https://reviews.freebsd.org/D10100
Modified:
head/sys/vm/uma_core.c
Modified: head/sys/vm/uma_core.c
==============================================================================
--- head/sys/vm/uma_core.c Tue Apr 4 16:08:51 2017 (r316492)
+++ head/sys/vm/uma_core.c Tue Apr 4 16:26:46 2017 (r316493)
@@ -1888,6 +1888,9 @@ uma_zcreate(const char *name, size_t siz
uma_zone_t res;
bool locked;
+ KASSERT(powerof2(align + 1), ("invalid zone alignment %d for \"%s\"",
+ align, name));
+
/* This stuff is essential for the zone ctor */
memset(&args, 0, sizeof(args));
args.name = name;