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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

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Pull SELinux regression fixes from James Morris.

Andrew Morton has a box that hit that open perms problem.

I also renamed the "epollwakeup" selinux name for the new capability to
be "block_suspend", to match the rename done by commit d9914cf661
("PM: Rename CAP_EPOLLWAKEUP to CAP_BLOCK_SUSPEND").

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  SELinux: do not check open perms if they are not known to policy
  SELinux: include definition of new capabilities
This commit is contained in:
Linus Torvalds 2012-07-18 13:42:44 -07:00
commit e2f3b78557
2 changed files with 4 additions and 2 deletions
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2
security/selinux/hooks.c
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@ -2717,7 +2717,7 @@ static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr)
ATTR_ATIME_SET | ATTR_MTIME_SET | ATTR_TIMES_SET))
return dentry_has_perm(cred, dentry, FILE__SETATTR);
if (ia_valid & ATTR_SIZE)
if (selinux_policycap_openperm && (ia_valid & ATTR_SIZE))
av |= FILE__OPEN;
return dentry_has_perm(cred, dentry, av);

4
security/selinux/include/classmap.h
View File

@ -145,7 +145,9 @@ struct security_class_mapping secclass_map[] = {
"node_bind", "name_connect", NULL } },
{ "memprotect", { "mmap_zero", NULL } },
{ "peer", { "recv", NULL } },
{ "capability2", { "mac_override", "mac_admin", "syslog", NULL } },
{ "capability2",
{ "mac_override", "mac_admin", "syslog", "wake_alarm", "block_suspend",
NULL } },
{ "kernel_service", { "use_as_override", "create_files_as", NULL } },
{ "tun_socket",
{ COMMON_SOCK_PERMS, NULL } },