From e74f71eb78a4a8b9eaf1bc65f20f761648e85f76 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Jun 2011 19:38:15 -0400 Subject: ->permission() sanitizing: don't pass flags to ->inode_permission() pass that via mask instead. Signed-off-by: Al Viro --- security/selinux/hooks.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'security/selinux') diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 20219ef5439a..47a059fff344 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2659,12 +2659,13 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na return dentry_has_perm(cred, dentry, FILE__READ); } -static int selinux_inode_permission(struct inode *inode, int mask, unsigned flags) +static int selinux_inode_permission(struct inode *inode, int mask) { const struct cred *cred = current_cred(); struct common_audit_data ad; u32 perms; bool from_access; + unsigned __flags = mask & MAY_NOT_BLOCK ? IPERM_FLAG_RCU : 0; from_access = mask & MAY_ACCESS; mask &= (MAY_READ|MAY_WRITE|MAY_EXEC|MAY_APPEND); @@ -2681,7 +2682,7 @@ static int selinux_inode_permission(struct inode *inode, int mask, unsigned flag perms = file_mask_to_av(inode->i_mode, mask); - return inode_has_perm(cred, inode, perms, &ad, flags); + return inode_has_perm(cred, inode, perms, &ad, __flags); } static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr) -- cgit v1.2.3