Message ID | 20200429222356.4322-1-cai@lca.pw (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[71.184.117.43]) by smtp.gmail.com with ESMTPSA id v27sm517889qtb.35.2020.04.29.15.24.08 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Apr 2020 15:24:08 -0700 (PDT) From: Qian Cai <cai@lca.pw> To: akpm@linux-foundation.org Cc: cl@linux.com, rientjes@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Qian Cai <cai@lca.pw> Subject: [PATCH] mm/slub: fix stack overruns with SLUB_STATS Date: Wed, 29 Apr 2020 18:23:56 -0400 Message-Id: <20200429222356.4322-1-cai@lca.pw> X-Mailer: git-send-email 2.21.0 (Apple Git-122.2) MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
mm/slub: fix stack overruns with SLUB_STATS
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expand
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diff --git a/mm/slub.c b/mm/slub.c index 9bf44955c4f1..57731f29dde3 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5639,7 +5639,8 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s) */ if (buffer) buf = buffer; - else if (root_cache->max_attr_size < ARRAY_SIZE(mbuf)) + else if (root_cache->max_attr_size < ARRAY_SIZE(mbuf) && + !IS_ENABLED(CONFIG_SLUB_STATS)) buf = mbuf; else { buffer = (char *) get_zeroed_page(GFP_KERNEL);