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authorwzt.wzt@gmail.com <wzt.wzt@gmail.com>2010-11-10 16:05:15 +0800
committerJames Morris <jmorris@namei.org>2010-11-11 07:36:22 +1100
commita26d279ea87e9fef2cf8a44b371e48e6091975a6 (patch)
treefe1a1a007c0fc1419e8f8e3e845ad18a377569bc /security/apparmor
parent246c3fb16b08193837a8009ff15ef6908534ba71 (diff)
downloadlinux-a26d279ea87e9fef2cf8a44b371e48e6091975a6.tar.gz
APPARMOR: Fix memory leak of apparmor_init()
set_init_cxt() allocted sizeof(struct aa_task_cxt) bytes for cxt, if register_security() failed, it will cause memory leak. Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com> Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/apparmor')
-rw-r--r--security/apparmor/lsm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index cf1de4462ccd..b7106f192b75 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -922,7 +922,7 @@ static int __init apparmor_init(void)
error = register_security(&apparmor_ops);
if (error) {
AA_ERROR("Unable to register AppArmor\n");
- goto register_security_out;
+ goto set_init_cxt_out;
}
/* Report that AppArmor successfully initialized */
@@ -936,6 +936,9 @@ static int __init apparmor_init(void)
return error;
+set_init_cxt_out:
+ aa_free_task_context(current->real_cred->security);
+
register_security_out:
aa_free_root_ns();
@@ -944,7 +947,6 @@ alloc_out:
apparmor_enabled = 0;
return error;
-
}
security_initcall(apparmor_init);