* [PATCH] rust: security: use `pin_init::zeroed()` for LSM context initialization
@ 2025-11-29 13:56 Atharv Dubey
2025-12-01 3:39 ` Alexandre Courbot
0 siblings, 1 reply; 2+ messages in thread
From: Atharv Dubey @ 2025-11-29 13:56 UTC (permalink / raw)
To: paul, jmorris, serge, ojeda, alex.gaynor
Cc: boqun.feng, gary, bjorn3_gh, lossin, a.hindborg, aliceryhl,
tmgross, dakr, linux-security-module, rust-for-linux,
linux-kernel, Atharv Dubey
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@gmail.com>
---
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();
// SAFETY: Just a C FFI call. The pointer is valid for writes.
to_result(unsafe { bindings::security_secid_to_secctx(secid, &mut ctx) })?;
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] rust: security: use `pin_init::zeroed()` for LSM context initialization
2025-11-29 13:56 [PATCH] rust: security: use `pin_init::zeroed()` for LSM context initialization Atharv Dubey
@ 2025-12-01 3:39 ` Alexandre Courbot
0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Courbot @ 2025-12-01 3:39 UTC (permalink / raw)
To: Atharv Dubey, paul, jmorris, serge, ojeda, alex.gaynor
Cc: boqun.feng, gary, bjorn3_gh, lossin, a.hindborg, aliceryhl,
tmgross, dakr, linux-security-module, rust-for-linux,
linux-kernel
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@gmail.com>
> ---
> 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@nvidia.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
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