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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  ptrace: ptrace_attach: fix the usage of ->cred_exec_mutex
This commit is contained in:
Linus Torvalds 2009-04-27 08:38:51 -07:00
commit 51b3960e78
1 changed files with 2 additions and 2 deletions
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4
kernel/ptrace.c
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@ -188,7 +188,7 @@ int ptrace_attach(struct task_struct *task)
/* Protect exec's credential calculations against our interference; /* Protect exec's credential calculations against our interference;
* SUID, SGID and LSM creds get determined differently under ptrace. * SUID, SGID and LSM creds get determined differently under ptrace.
*/ */
retval = mutex_lock_interruptible(&current->cred_exec_mutex); retval = mutex_lock_interruptible(&task->cred_exec_mutex);
if (retval < 0) if (retval < 0)
goto out; goto out;
@ -232,7 +232,7 @@ repeat:
bad: bad:
write_unlock_irqrestore(&tasklist_lock, flags); write_unlock_irqrestore(&tasklist_lock, flags);
task_unlock(task); task_unlock(task);
mutex_unlock(&current->cred_exec_mutex); mutex_unlock(&task->cred_exec_mutex);
out: out:
return retval; return retval;
} }