On Tue, 15 Aug 2017 12:30:14 +0200
Stefano Brivio <sbri...@redhat.com> wrote:
> The cpumask used in i40e{,vf}_irq_affinity_notify() is allocated
> by irq_affinity_notify() with alloc_cpumask_var(), which doesn't
> allocate NR_CPUS bits, but only nr_cpumask_bits bits. If we just
> dereference it, we'll read way more than what is allocated, e.g.
> 1024 bytes vs. 8 bytes allocated on x86_64 machine with 24 CPUs.
Sorry, just two minutes after sending this I noticed Juergen submitted
the same fixes on Saturday:
From: Juergen Gross <jgr...@suse.com>
To: linux-ker...@vger.kernel.org, netdev@vger.kernel.org,
intel-wired-...@lists.osuosl.org
Cc: jeffrey.t.kirs...@intel.com, Juergen Gross <jgr...@suse.com>,
sta...@vger.kernel.org
Subject: [PATCH] net/i40e: use cpumask_copy() for assigning cpumask
Date: Sat, 12 Aug 2017 18:09:46 +0200
Please discard.
--
Stefano
