Re: [PATCH] rust: security: use `pin_init::zeroed()` for LSM context initialization

From: Alexandre Courbot

Date: Sun Nov 30 2025 - 22:40:01 EST


On Sat Nov 29, 2025 at 10:56 PM JST, Atharv Dubey wrote:
> Replace the previous `unsafe { core::mem::zeroed() }` initialization of
> `bindings::lsm_context` with `pin_init::zeroed()`.
>
> Link: https://github.com/Rust-for-Linux/linux/issues/1189
> Signed-off-by: Atharv Dubey <atharvd440@xxxxxxxxx>
> ---
> rust/kernel/security.rs | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/rust/kernel/security.rs b/rust/kernel/security.rs
> index 9d271695265f..4dc3eba6ce84 100644
> --- a/rust/kernel/security.rs
> +++ b/rust/kernel/security.rs
> @@ -62,8 +62,7 @@ impl SecurityCtx {
> /// Get the security context given its id.
> #[inline]
> pub fn from_secid(secid: u32) -> Result<Self> {
> - // SAFETY: `struct lsm_context` can be initialized to all zeros.
> - let mut ctx: bindings::lsm_context = unsafe { core::mem::zeroed() };
> + let mut ctx: bindings::lsm_context = pin_init::zeroed();

Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxx>