On Wed, May 25, 2022 at 11:46:52AM +0200, Maciej Fijalkowski wrote: > On Wed, May 25, 2022 at 09:19:53AM +0200, Magnus Karlsson wrote: > > From: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > > > > Fix a crash in the zero-copy driver that occurs when it fails to > > allocate buffers from user-space. This crash can easily be triggered > > by a malicious program that does not provide any buffers in the fill > > ring for the kernel to use. > > > > Note that this bug does not exist in upstream since the batched buffer > > allocation interface got introduced in 5.16 and replaced this code. > > > > Reported-by: Jeff Shaw <jeffrey.b.shaw@xxxxxxxxx> > > Tested-by: Jeff Shaw <jeffrey.b.shaw@xxxxxxxxx> > > Signed-off-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > > Acked-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx> > Now queued up, thanks. greg k-h
