Thomas Hellstrom fd56746775 drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3 ...

With the new validation code, a malicious user-space app could
potentially submit command streams with enough buffer-object and resource
references in them to have the resulting allocated validion nodes and
relocations make the kernel run out of GFP_KERNEL memory.

Protect from this by having the validation code reserve TTM graphics
memory when allocating.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
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v2: Removed leftover debug printouts

2018-12-13 13:04:25 +01:00

..

device_include

Merge tag 'vmwgfx-next-4.19-3' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-07-10 11:13:39 +10:00

Kconfig

…

Makefile

drm/vmwgfx: Add a validation module v2

2018-09-27 15:21:35 +02:00

ttm_lock.c

drm/vmwgfx: Make the object handles idr-generated

2018-09-27 16:14:18 +02:00

ttm_lock.h

drm/ttm, drm/vmwgfx: Move the lock- and object functionality to the vmwgfx driver

2018-09-27 15:19:20 +02:00

ttm_object.c

drm/vmwgfx: Look up objects without taking a reference

2018-09-27 16:14:48 +02:00

ttm_object.h

drm/vmwgfx: Look up objects without taking a reference

2018-09-27 16:14:48 +02:00

vmwgfx_binding.c

…

vmwgfx_binding.h

…

vmwgfx_blit.c

…

vmwgfx_bo.c

drm/vmwgfx: Look up user buffer objects without taking a reference

2018-09-28 08:57:07 +02:00

vmwgfx_cmdbuf_res.c

drm/vmwgfx: Don't refcount command-buffer managed resource lookups during command buffer validation

2018-09-28 08:57:08 +02:00

vmwgfx_cmdbuf.c

drm/vmwgfx: Replace unconditional mutex unlocked warnings with lockdep counterpart

2018-09-27 15:21:37 +02:00

vmwgfx_context.c

drm/vmwgfx: Don't refcount cotable lookups during command buffer validation

2018-09-28 08:57:08 +02:00

vmwgfx_cotable.c

drm/vmwgfx: Remove the resource avail field

2018-09-27 15:21:37 +02:00

vmwgfx_drv.c

drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

2018-12-13 13:04:25 +01:00

vmwgfx_drv.h

drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

2018-12-13 13:04:25 +01:00

vmwgfx_execbuf.c

drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

2018-12-13 13:04:25 +01:00

vmwgfx_fb.c

…

vmwgfx_fence.c

drm/vmwgfx: Make the object handles idr-generated

2018-09-27 16:14:18 +02:00

vmwgfx_fence.h

…

vmwgfx_fifo.c

…

vmwgfx_gmr.c

…

vmwgfx_gmrid_manager.c

Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax

2018-08-26 11:48:42 -07:00

vmwgfx_ioctl.c

Merge tag 'vmwgfx-next-4.19-3' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-07-10 11:13:39 +10:00

vmwgfx_irq.c

…

vmwgfx_kms.c

Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-10-04 10:19:33 +10:00

vmwgfx_kms.h

drm/vmwgfx: Use new validation interface for the modesetting code v2

2018-09-27 15:21:36 +02:00

vmwgfx_ldu.c

Merge tag 'drm-misc-next-2018-07-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

2018-07-20 10:46:49 +10:00

vmwgfx_marker.c

…

vmwgfx_mob.c

Merge tag 'vmwgfx-next-4.19-2' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-07-10 11:10:34 +10:00

vmwgfx_msg.c

Merge tag 'vmwgfx-next-4.19-2' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-07-10 11:10:34 +10:00

vmwgfx_msg.h

…

vmwgfx_overlay.c

Merge tag 'vmwgfx-next-4.19-2' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-07-10 11:10:34 +10:00

vmwgfx_prime.c

drm/ttm, drm/vmwgfx: Move the lock- and object functionality to the vmwgfx driver

2018-09-27 15:19:20 +02:00

vmwgfx_reg.h

…

vmwgfx_resource_priv.h

drm/vmwgfx: Make the object handles idr-generated

2018-09-27 16:14:18 +02:00

vmwgfx_resource.c

drm/vmwgfx: Make user resource lookups reference-free during validation

2018-09-28 08:57:09 +02:00

vmwgfx_scrn.c

drm/vmwgfx: Use new validation interface for the modesetting code v2

2018-09-27 15:21:36 +02:00

vmwgfx_shader.c

drm/vmwgfx: Don't refcount cotable lookups during command buffer validation

2018-09-28 08:57:08 +02:00

vmwgfx_simple_resource.c

drm/vmwgfx: Make the object handles idr-generated

2018-09-27 16:14:18 +02:00

vmwgfx_so.c

drm/vmwgfx: Don't refcount cotable lookups during command buffer validation

2018-09-28 08:57:08 +02:00

vmwgfx_so.h

…

vmwgfx_stdu.c

Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-10-04 10:19:33 +10:00

vmwgfx_surface.c

Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-10-04 10:19:33 +10:00

vmwgfx_ttm_buffer.c

Merge tag 'vmwgfx-next-4.19-2' of git://people.freedesktop.org/~thomash/linux into drm-next

2018-07-10 11:10:34 +10:00

vmwgfx_ttm_glue.c

drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

2018-12-13 13:04:25 +01:00

vmwgfx_va.c

…

vmwgfx_validation.c

drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

2018-12-13 13:04:25 +01:00

vmwgfx_validation.h

drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

2018-12-13 13:04:25 +01:00