+ audit-do-not-send-uninitialized-data-for-audit_tty_get.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     audit: do not send uninitialized data for AUDIT_TTY_GET
has been added to the -mm tree.  Its filename is
     audit-do-not-send-uninitialized-data-for-audit_tty_get.patch

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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: audit: do not send uninitialized data for AUDIT_TTY_GET
From: Thomas Gleixner <tglx@linutronix.de>

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>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/audit.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff -puN kernel/audit.c~audit-do-not-send-uninitialized-data-for-audit_tty_get kernel/audit.c
--- a/kernel/audit.c~audit-do-not-send-uninitialized-data-for-audit_tty_get
+++ a/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: {
_

Patches currently in -mm which might be from tglx@linutronix.de are

linux-next.patch
audit-call-tty_audit_push_task-outside-preempt-disabled.patch
audit-do-not-send-uninitialized-data-for-audit_tty_get.patch
audit-use-rcu-for-task-lookup-protection.patch
time-compensate-for-rounding-on-odd-frequency-clocksources.patch
x86-enable-arch_dma_addr_t_64bit-with-x86_64-highmem64g.patch
hpet-fix-unwanted-interrupt-due-to-stale-irq-status-bit.patch
hpet-factor-timer-allocate-from-open.patch
timer_list-remove-alignment-padding-on-64-bit-when-config_timer_stats.patch
timer-initialize-the-field-slack-of-timer_list.patch
kernel-time-use-array_size-macro-in-timecomparec.patch
sched-make-sched_param-argument-static-variables-in-some-sched_setscheduler-caller.patch
kernelh-add-minmax3-macros.patch
kernelh-add-minmax3-macros-fix.patch
replace-nested-max-min-macros-with-maxmin3-macro.patch
add-the-common-dma_addr_t-typedef-to-include-linux-typesh.patch
select-rename-estimate_accuracy-to-select_estimate_accuracy.patch
epoll-make-epoll_wait-use-the-hrtimer-range-feature.patch