diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2009-04-27 01:41:34 +0200 |
|---|---|---|
| committer | Brian Swetland <swetland@google.com> | 2009-08-04 17:13:56 -0700 |
| commit | 2fe6f1892ece942fddd217d672c6432d60ca24ce (patch) | |
| tree | f342f18a0df04a72ade5d6ac0aedae2799a01994 /kernel/ptrace.c | |
| parent | db83a334959994d2a617812b8b536d18fa072ce2 (diff) | |
ptrace: ptrace_attach: fix the usage of ->cred_exec_mutex
ptrace_attach() needs task->cred_exec_mutex, not current->cred_exec_mutex.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/ptrace.c')
| -rw-r--r-- | kernel/ptrace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index c9cf48b21f05..dc3b98ef10bb 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -186,7 +186,7 @@ int ptrace_attach(struct task_struct *task) /* Protect exec's credential calculations against our interference; * SUID, SGID and LSM creds get determined differently under ptrace. */ - retval = mutex_lock_interruptible(¤t->cred_exec_mutex); + retval = mutex_lock_interruptible(&task->cred_exec_mutex); if (retval < 0) goto out; @@ -230,7 +230,7 @@ repeat: bad: write_unlock_irqrestore(&tasklist_lock, flags); task_unlock(task); - mutex_unlock(¤t->cred_exec_mutex); + mutex_unlock(&task->cred_exec_mutex); out: return retval; } |