pstore: selinux: add security in-core xattr support for rootfs, pstore and debugfs
- add "rootfs", "pstore" and "debugfs" to list of in-core exceptions
- change fstype checks to boolean equation
- change from strncmp to strcmp for checking
(Cherry Pick from commit 2294d499b7969df3838becf5e58bf16b0e3c86c8)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 18917345
Bug: 18935184
Change-Id: Ib648f30ce4b5d6c96f11465836d6fee89bec1c72
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index a4ecefc..bc19b8b 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -419,8 +419,11 @@
sbsec->behavior > ARRAY_SIZE(labeling_behaviors))
sbsec->flags &= ~SE_SBLABELSUPP;
- /* Special handling for sysfs. Is genfs but also has setxattr handler*/
- if (strncmp(sb->s_type->name, "sysfs", sizeof("sysfs")) == 0)
+ /* Special handling. Is genfs but also has in-core setxattr handler*/
+ if (!strcmp(sb->s_type->name, "sysfs") ||
+ !strcmp(sb->s_type->name, "pstore") ||
+ !strcmp(sb->s_type->name, "debugfs") ||
+ !strcmp(sb->s_type->name, "rootfs"))
sbsec->flags |= SE_SBLABELSUPP;
/* Initialize the root inode. */
