On Thu, Feb 21, 2019 at 03:49:59PM +0200, Alexander Shishkin wrote: > Using STP_POLICY_ID_SET ioctl command with dummy_stm device, or any STM > device that supplies zero mmio channel size, will trigger a division by > zero bug in the kernel. > > Prevent this by disallowing channel widths other than 1 for such devices. > > Signed-off-by: Alexander Shishkin <[email protected]>
Fixes: tag? stable?

