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Commit 82b5c93a authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
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tty: audit: Always push audit buffer before TIOCSTI 



The data read from another tty may be relevant to the action of
the TIOCSTI ioctl; log the audit buffer immediately.

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f17c3662

drivers/tty/tty_audit.c

+3 −9
Original line number Diff line number Diff line
@@ -130,19 +130,13 @@ void tty_audit_fork(struct signal_struct *sig) 
 */

void tty_audit_tiocsti(struct tty_struct *tty, char ch)

{

	struct tty_audit_buf *buf;

	dev_t dev;



	dev = MKDEV(tty->driver->major, tty->driver->minor_start) + tty->index;

	buf = current->signal->tty_audit_buf;

	if (buf) {

		mutex_lock(&buf->mutex);

		if (buf->dev == dev)

			tty_audit_buf_push(buf);

		mutex_unlock(&buf->mutex);

	}

	if (tty_audit_push())

		return;



	if (audit_enabled && (current->signal->audit_tty & AUDIT_TTY_ENABLE)) {

	if (audit_enabled) {

		kuid_t auid;

		unsigned int sessionid;