On Wed, Sep 25, 2013 at 08:13:04PM -0400, Peter Hurley wrote: > Commit 'e7f3880cd9b98c5bf9391ae7acdec82b75403776' > tty: Fix recursive deadlock in tty_perform_flush() > introduced a regression where tcflush() does not generate > SIGTTOU for background process groups. > > Make sure ioctl(TCFLSH) calls tty_check_change() when > invoked from the line discipline. > > Cc: stable@xxxxxxxxxxxxxxx # v3.10+ > Reported-by: Oleg Nesterov <oleg@xxxxxxxxxx> > Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> > --- > drivers/tty/tty_ioctl.c | 3 +++ > 1 file changed, 3 insertions(+) Thanks for tracking this down, I'll queue it up tomorrow. greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html