On Mon, Oct 01, 2018 at 11:22:46AM +1000, Stephen Rothwell wrote:
>Hi Sasha,
>
>On Mon, 1 Oct 2018 00:38:27 + Sasha Levin
>wrote:
>>
>> From: Stephen Rothwell
>>
>> [ Upstream commit bcfb84a996f6fa90b5e6e2954b2accb7a4711097 ]
>>
>> A powerpc build of cifs with gcc v8.2.0 produces this warning:
>>
>> fs/cifs/cifssmb.c: In function ‘CIFSSMBNegotiate’:
>> fs/cifs/cifssmb.c:605:3: warning: ‘strncpy’ writing 16 bytes into a region
>> of size 1 overflows the destination [-Wstringop-overflow=]
>>strncpy(pSMB->DialectsArray+count, protocols[i].name, 16);
>>^
>>
>> Since we are already doing a strlen() on the source, change the strncpy
>> to a memcpy().
>>
>> Signed-off-by: Stephen Rothwell
>> Signed-off-by: Steve French
>> Signed-off-by: Sasha Levin
>
>Just wondering if this should be included as it only fixes a build
>warning, there is no actual bug. Same for the 4.9 and 4.14 versions.
Hi Stephen,
We try to follow the same no-warnings policy like upstream and take
warning fixes into stable tree. It makes it possible to catch
"real" warnings in stable kernel that resulted from backporting issues.
--
Thanks,
Sasha