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audit: Do not send uninitialized data for AUDIT_TTY_GET 

audit_receive_msg() sends uninitialized data for AUDIT_TTY_GET when
the task was not found.

Send reply only when task was found.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Thomas Gleixner 2009-12-09 14:19:35 +00:00 committed by Al Viro
parent 3c80fe4ac9
commit 207032051a
1 changed files with 4 additions and 2 deletions
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6
kernel/audit.c
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@ -884,8 +884,10 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
spin_unlock_irq(&tsk->sighand->siglock);
}
read_unlock(&tasklist_lock);
audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_TTY_GET, 0, 0,
&s, sizeof(s));
if (!err)
audit_send_reply(NETLINK_CB(skb).pid, seq,
AUDIT_TTY_GET, 0, 0, &s, sizeof(s));
break;
}
case AUDIT_TTY_SET: {