On Tue, Oct 01, 2019 at 06:56:11PM +0200, Greg KH wrote: > Nicolas pointed out that the cxgb4 driver is doing dma off of the stack, > which is generally considered a very bad thing. On some architectures > it could be a security problem, but odds are none of them actually run > this driver, so it's just a "normal" bug. > > Resolve this by allocating the memory for a message off of the heap > instead of the stack. kmalloc() always will give us a proper memory > location that DMA will work correctly from. > > Reported-by: Nicolas Waisman <nico@xxxxxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Applied to for-rc, thanks Jason
