Re: [PATCH] [v2] scsi: ipr: work around fortify-string warning

[Arnd Bergmann]

On Tue, Feb 14, 2023, at 22:49, Kees Cook wrote:
> On Tue, Feb 14, 2023 at 02:28:08PM +0100, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@xxxxxxxx>
>> 
>> The ipr_log_vpd_compact() function triggers a fortified memcpy() warning
>> about a potential string overflow with all versions of clang:
>
> Perhaps this is arch or config specific? I haven't been able to reproduce
> this for some reason.

I saw it on three arm32 randconfig builds out
of a few thousand, with clang-15, clang-16 and
clang-17. See [1] for one config that triggered
it with recent linux-next based tree.

     Arnd

[1] https://pastebin.com/c9FEjzKe