On Thu, Nov 07, 2019 at 02:39:11PM -0500, Steve Cohen wrote: > Fuzzers used in Android compliance testing repeatedly call the > create blob IOCTL which eventually exhausts the system memory. > This series adds a hook which allows drivers to impose their own > limitations on the size and/or number of blobs created. Pretty sure this isn't just a problem for msm/dpu alone, why this very limited approach? Also, why are your fuzzers not also allocating enormous amounts of gem buffers, which will also exhaust memory eventually? -Daniel > > Steve Cohen (3): > drm: add driver hook for create blob limitations > drm/msm: add support for createblob_check driver hook > drm/msm/dpu: check blob limitations during create blob ioctl > > drivers/gpu/drm/drm_property.c | 7 +++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 14 ++++++++++++++ > drivers/gpu/drm/msm/msm_drv.c | 25 +++++++++++++++++++++++++ > drivers/gpu/drm/msm/msm_kms.h | 1 + > include/drm/drm_drv.h | 9 +++++++++ > 5 files changed, 56 insertions(+) > > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
