#include <linux/string.h>
#include <linux/init.h>
#include <linux/pagemap.h>
+#include <linux/perf_counter.h>
#include <linux/highmem.h>
#include <linux/spinlock.h>
#include <linux/key.h>
task_lock(tsk);
strlcpy(tsk->comm, buf, sizeof(tsk->comm));
task_unlock(tsk);
+ perf_counter_comm(tsk);
}
int flush_old_exec(struct linux_binprm * bprm)
current->personality &= ~bprm->per_clear;
+ /*
+ * Flush performance counters when crossing a
+ * security domain:
+ */
+ if (!get_dumpable(current->mm))
+ perf_counter_exit_task(current);
+
/* An exec changes our domain. We are no longer part of the thread
group */
commit_creds(bprm->cred);
bprm->cred = NULL;
- /* cred_exec_mutex must be held at least to this point to prevent
+ /* cred_guard_mutex must be held at least to this point to prevent
* ptrace_attach() from altering our determination of the task's
* credentials; any time after this it may be unlocked */
/*
* determine how safe it is to execute the proposed program
- * - the caller must hold current->cred_exec_mutex to protect against
+ * - the caller must hold current->cred_guard_mutex to protect against
* PTRACE_ATTACH
*/
int check_unsafe_exec(struct linux_binprm *bprm)
if (!bprm)
goto out_files;
- retval = mutex_lock_interruptible(¤t->cred_exec_mutex);
+ retval = mutex_lock_interruptible(¤t->cred_guard_mutex);
if (retval < 0)
goto out_free;
current->in_execve = 1;
/* execve succeeded */
current->fs->in_exec = 0;
current->in_execve = 0;
- mutex_unlock(¤t->cred_exec_mutex);
+ mutex_unlock(¤t->cred_guard_mutex);
acct_update_integrals(current);
free_bprm(bprm);
if (displaced)
out_unlock:
current->in_execve = 0;
- mutex_unlock(¤t->cred_exec_mutex);
+ mutex_unlock(¤t->cred_guard_mutex);
out_free:
free_bprm(bprm);