On Thu, Jul 16, 2020 at 01:53:46PM +0200, Greg Kroah-Hartman wrote: > When doing a "write" ioctl call, properly check that we have permissions > to do so before copying anything from userspace or anything else so we > can "fail fast". This includes also covering the MEMWRITE ioctl which > previously missed checking for this. > > Cc: Miquel Raynal <miquel.ray...@bootlin.com> > Cc: Richard Weinberger <rich...@nod.at> > Cc: Vignesh Raghavendra <vigne...@ti.com> > Cc: stable <sta...@kernel.org> > Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> > --- > drivers/mtd/mtdchar.c | 54 +++++++++++++++++++++++++++++++++++-------- > 1 file changed, 45 insertions(+), 9 deletions(-)
Any objection to this patch getting into 5.8-final? I can take this through one of my trees if you all give me an ack :) thanks, greg k-h
