Re: [PATCH v3 17/28] x86/sgx: fix a NULL pointer

Dave Hansen
2023-07-17T15:49:07Z

On 7/17/23 05:48, Jarkko Sakkinen wrote:
> On Wed Jul 12, 2023 at 11:01 PM UTC, Haitao Huang wrote:
>> Under heavy load, the SGX EPC reclaimers (ksgxd or future EPC cgroup
>> worker) may reclaim SECS EPC page for an enclave and set
>> encl->secs.epc_page to NULL. But the SECS EPC page is required for EAUG
>> in #PF handler and is used without checking for NULL and reloading.
>>
>> Fix this by checking if SECS is loaded before EAUG and load it if it was
>> reclaimed.
>>
>> Signed-off-by: Haitao Huang <haitao.huang@linux.intel.com>
> A bug fix should be 1/*.

No, bug fixes should not even be _part_ of another series. Send bug
fixes separately, please.