Messages in this thread | | | From | "Dhanraj, Vijay" <> | Subject | RE: [PATCH 2/2] selftests/sgx: Add SGX selftest augment_via_eaccept_long | Date | Wed, 17 Aug 2022 15:39:36 +0000 |
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> -----Original Message----- > From: Jarkko Sakkinen <jarkko@kernel.org> > Sent: Wednesday, August 17, 2022 7:39 AM > To: Dhanraj, Vijay <vijay.dhanraj@intel.com> > Cc: Chatre, Reinette <reinette.chatre@intel.com>; Dave Hansen > <dave.hansen@linux.intel.com>; linux-sgx@vger.kernel.org; Shuah Khan > <shuah@kernel.org>; open list:KERNEL SELFTEST FRAMEWORK <linux- > kselftest@vger.kernel.org>; open list <linux-kernel@vger.kernel.org> > Subject: Re: [PATCH 2/2] selftests/sgx: Add SGX selftest > augment_via_eaccept_long > > On Wed, Aug 17, 2022 at 01:27:38AM +0000, Dhanraj, Vijay wrote: > > I think changing it to "int i" will cause a buffer overflow with > > edmm_size being 8GB. > > Hmm.. 'i' iterates segments. Amd I missing something? > > BR, Jarkko
It is also used when iterating over pages to eaccept. This might cause an issue.
for (i = 0; i < edmm_size; i += 4096) { eaccept_op.epc_addr = (uint64_t)(addr + i);
Regards, Vijay
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