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Date: Mon, 28 Nov 2016 18:47:10 +0100 From: Florian Westphal <fw@...len.de> To: Neil Horman <nhorman@...driver.com> Cc: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>, Andrey Konovalov <andreyknvl@...gle.com>, Vlad Yasevich <vyasevich@...il.com>, linux-sctp@...r.kernel.org, netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Pablo Neira Ayuso <pablo@...filter.org>, Patrick McHardy <kaber@...sh.net>, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>, "David S. Miller" <davem@...emloft.net>, netfilter-devel@...r.kernel.org, coreteam@...filter.org, Dmitry Vyukov <dvyukov@...gle.com>, Kostya Serebryany <kcc@...gle.com>, Eric Dumazet <edumazet@...gle.com>, syzkaller <syzkaller@...glegroups.com> Subject: Re: net/sctp: vmalloc allocation failure in sctp_setsockopt/xt_alloc_table_info Neil Horman <nhorman@...driver.com> wrote: > I'm not sure I agree with that. Generally speaking it seems like the right > thing to do, if you want to avoid filling logs with warnings, but this is the > sort of error that is going to be accompanied by severe service interruption. > I'd rather see a reason behind that in the logs, than just have it occur > silently. Its not silent -- the setsockopt call will fail and userspace should display an error. So I agree with Marcelo, lets suppress the oom spew here.
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