Re: [PATCH] xen/efi: refactor deprecated strncpy

2023-09-14 Thread Kees Cook
On Mon, Sep 11, 2023 at 06:59:31PM +, Justin Stitt wrote: > `strncpy` is deprecated for use on NUL-terminated destination strings [1]. > > `efi_loader_signature` has space for 4 bytes. We are copying "Xen" (3 bytes) > plus a NUL-byte which makes 4 total bytes. With that being said, there is >

[PATCH] xen/efi: refactor deprecated strncpy

2023-09-11 Thread Justin Stitt
`strncpy` is deprecated for use on NUL-terminated destination strings [1]. `efi_loader_signature` has space for 4 bytes. We are copying "Xen" (3 bytes) plus a NUL-byte which makes 4 total bytes. With that being said, there is currently not a bug with the current `strncpy()` implementation in terms