Commit 0169d8f3 authored by Jens Axboe's avatar Jens Axboe Committed by Casey Schaufler
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Revert "Smack: Handle io_uring kernel thread privileges" 



This reverts commit 942cb357.

The io_uring PF_IO_WORKER threads no longer have PF_KTHREAD set, so no
need to special case them for credential checks.

Cc: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarCasey Schaufler <casey@schaufler-ca.com>
parent 49ec114a

security/smack/smack_access.c

+2 −3
Original line number Diff line number Diff line
@@ -688,10 +688,9 @@ bool smack_privileged_cred(int cap, const struct cred *cred) 
bool smack_privileged(int cap)

{

	/*

	 * Kernel threads may not have credentials we can use.

	 * The io_uring kernel threads do have reliable credentials.

	 * All kernel tasks are privileged

	 */

	if ((current->flags & (PF_KTHREAD | PF_IO_WORKER)) == PF_KTHREAD)

	if (unlikely(current->flags & PF_KTHREAD))

		return true;



	return smack_privileged_cred(cap, current_cred());