On Thu, Aug 22, 2024 at 04:29:31PM GMT, Ekansh Gupta wrote: > For user passed fd buffer, map is created using DMA calls. The > map related information is stored in fastrpc_map structure. The > actual DMA size is not stored in the structure. Store the actual > size of buffer and check it against the user passed size. > > Fixes: c68cfb718c8f ("misc: fastrpc: Add support for context Invoke method") > Cc: stable <stable@xxxxxxxxxx> > Signed-off-by: Ekansh Gupta <quic_ekangupt@xxxxxxxxxxx> > --- > drivers/misc/fastrpc.c | 27 ++++++++++++++++++--------- > 1 file changed, 18 insertions(+), 9 deletions(-) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> -- With best wishes Dmitry