Messages in this thread Patch in this message | | | Date | Wed, 09 Dec 2009 14:19:35 -0000 | From | Thomas Gleixner <> | Subject | [patch 2/3] audit: Do not send uninitialized data for AUDIT_TTY_GET |
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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> --- kernel/audit.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6-tip/kernel/audit.c =================================================================== --- linux-2.6-tip.orig/kernel/audit.c +++ linux-2.6-tip/kernel/audit.c @@ -884,8 +884,10 @@ static int audit_receive_msg(struct sk_b 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: {
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