Serge E. Hallyn <[EMAIL PROTECTED]> wrote: > Ah, ok, so the daemon would use this to act under the user's > credentials. I was thinking the user would be using this to act > under the daemon's or kernel's sid.
Think kernel service rather than daemon. NFSd provides its own daemons to override the security of, whereas cachefiles runs in the process context of whoever called NFS. > Between that and David's response, that this is only for the duration of > one syscall (IIUC), That's more or less correct. You have to add the pagefault handler to that list. > My worry arose from the fact that I don't see > security_cred_kernel_act_as() being called anywhere in this patchset... Look in: [PATCH 04/22] CRED: Request a credential record for a kernel service Which was part of a patchset I sent on the 21st Sept. get_kernel_cred() is in turn used by: [PATCH 13/22] CacheFiles: A cache that backs onto a mounted filesystem David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/