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authorKees Cook <keescook@chromium.org>2011-12-21 21:17:03 +0100
committerJames Morris <jmorris@namei.org>2012-02-09 23:14:51 +0100
commit1a2a4d06e1e95260c470ebe3a945f61bbe8c1fd8 (patch)
tree7167d158749a7acf2ce8bbe1ecd25234b654e813 /kernel/fork.c
parentMerge branch 'next-queue' into next (diff)
downloadlinux-1a2a4d06e1e95260c470ebe3a945f61bbe8c1fd8.tar.xz
linux-1a2a4d06e1e95260c470ebe3a945f61bbe8c1fd8.zip
security: create task_free security callback
The current LSM interface to cred_free is not sufficient for allowing an LSM to track the life and death of a task. This patch adds the task_free hook so that an LSM can clean up resources on task death. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 1b2ef3c23ae4..f0e7781ba9b4 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -192,6 +192,7 @@ void __put_task_struct(struct task_struct *tsk)
WARN_ON(atomic_read(&tsk->usage));
WARN_ON(tsk == current);
+ security_task_free(tsk);
exit_creds(tsk);
delayacct_tsk_free(tsk);
put_signal_struct(tsk->signal);