Re: [PATCH v2] riscv/purgatory: Do not use fortified string functions

Palmer Dabbelt
2023-06-01T20:17:16Z

On Thu, 01 Jun 2023 11:27:03 PDT (-0700), keescook@chromium.org wrote:
> On Thu, 1 Jun 2023 09:00:28 -0700, Kees Cook wrote:
>> With the addition of -fstrict-flex-arrays=3, struct sha256_state's
>> trailing array is no longer ignored by CONFIG_FORTIFY_SOURCE:
>>
>> struct sha256_state {
>> u32 state[SHA256_DIGEST_SIZE / 4];
>> u64 count;
>> u8 buf[SHA256_BLOCK_SIZE];
>> };
>>
>> [...]
>
> Applied to for-next/hardening, thanks!
>
> [1/1] riscv/purgatory: Do not use fortified string functions
> https://git.kernel.org/kees/c/ca2ca08f479d

Sorry, I'd just applied this to riscv/fixes as well. I can drop it if
you want? I was going to send a PR tomorrow, just LMK.