From b38a86eb196d9402299919456fe3f28e490c76fa Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Mon, 12 Mar 2012 15:48:24 -0700 Subject: userns: Convert the move_pages, and migrate_pages permission checks to use uid_eq Acked-by: Serge Hallyn Signed-off-by: Eric W. Biederman --- mm/mempolicy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'mm/mempolicy.c') diff --git a/mm/mempolicy.c b/mm/mempolicy.c index cfb6c8678754..7b44fc8ec99c 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1334,8 +1334,8 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, * userid as the target process. */ tcred = __task_cred(task); - if (cred->euid != tcred->suid && cred->euid != tcred->uid && - cred->uid != tcred->suid && cred->uid != tcred->uid && + if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) && + !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) && !capable(CAP_SYS_NICE)) { rcu_read_unlock(); err = -EPERM; -- cgit v1.2.3