On 3/12/2025 2:21 PM, Ryan Lee wrote:
> Now that O_PATH fds are being passed to the file_open hook,
> unconditionally skip mediation of them to preserve existing behavior.
>
> Signed-off-by: Ryan Lee <ryan....@canonical.com>
> ---
>  security/smack/smack_lsm.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
> index 2f65eb392bc0..c05e223bfb33 100644
> --- a/security/smack/smack_lsm.c
> +++ b/security/smack/smack_lsm.c
> @@ -2062,6 +2062,10 @@ static int smack_file_open(struct file *file)
>       struct smk_audit_info ad;
>       int rc;
>  
> +     /* Preserve the behavior of O_PATH fd creation not being mediated */

In Smack the single line comment is discouraged. Please use

+       /*
+        * Preserve the behavior of O_PATH fd creation not being mediated
+        */

> +     if (file->f_flags & O_PATH)
> +             return 0;
> +
>       smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
>       smk_ad_setfield_u_fs_path(&ad, file->f_path);
>       rc = smk_tskacc(tsp, smk_of_inode(inode), MAY_READ, &ad);

Reply via email to