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linux-stable/drivers/gpu/drm
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Chris Wilson 015b828bd6 drm: Reorder set_property_atomic to avoid returning with an active ww_ctx 
commit 227ad6d957 upstream.

Delay the drm_modeset_acquire_init() until after we check for an
allocation failure so that we can return immediately upon error without
having to unwind.

WARNING: lock held when returning to user space!
4.20.0+ #174 Not tainted
------------------------------------------------
syz-executor556/8153 is leaving the kernel with locks still held!
1 lock held by syz-executor556/8153:
  #0: 000000005100c85c (crtc_ww_class_acquire){+.+.}, at:
set_property_atomic+0xb3/0x330 drivers/gpu/drm/drm_mode_object.c:462

Reported-by: syzbot+6ea337c427f5083ebdf2@syzkaller.appspotmail.com
Fixes: 144a7999d6 ("drm: Handle properties in the core for atomic drivers")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Cc: <stable@vger.kernel.org> # v4.14+
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181230122842.21917-1-chris@chris-wilson.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-27 14:14:42 +09:00
..
amd drm/amd/display: don't call dm_pp_ function from an fpu block 2019-03-23 20:10:12 +01:00
arc drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
arm drm/malidp: Fix writeback in NV12 2018-09-21 10:55:00 +01:00
armada drm/armada: remove obsolete fb unreferencing kfifo and workqueue 2018-07-30 11:53:06 +01:00
ast drm/ast: Fix connector leak during driver unload 2018-12-21 14:15:23 +01:00
atmel-hlcdc Merge v4.18-rc3 into drm-next 2018-07-04 10:27:12 +10:00
bochs drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
bridge drm/bridge: tc358767: fix output H/V syncs 2019-02-20 10:25:41 +01:00
cirrus drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
etnaviv drm/etnaviv: fix bogus fence complete check in timeout handler 2018-11-21 09:19:25 +01:00
exynos Revert "drm/exynos/decon5433: implement frame counter" 2018-11-27 16:13:04 +01:00
fsl-dcu drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
gma500 drivers/gpu/drm/gma500/: change return type to vm_fault_t 2018-08-23 18:48:43 -07:00
hisilicon drm/hisilicon: hibmc: Do not carry error code in HiBMC framebuffer pointer 2018-11-21 09:19:10 +01:00
i2c Merge branch 'drm-tda9950-fixes' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-fixes 2018-10-04 10:32:14 +10:00
i810 drm/i810: off by one in i810_dma_vertex() 2018-07-03 15:00:42 +02:00
i915 drm/i915: Relax mmap VMA check 2019-03-23 20:10:05 +01:00
imx drm/imx: imx-ldb: add missing of_node_puts 2019-03-23 20:09:41 +01:00
lib
mediatek drm/mediatek: fix OF sibling-node lookup 2018-11-13 11:08:54 -08:00
meson drm/meson: add missing of_node_put 2019-02-27 10:08:55 +01:00
mga
mgag200 drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
msm drm/msm: Fix A6XX support for opp-level 2019-03-05 17:58:51 +01:00
mxsfb
nouveau drm/nouveau/falcon: avoid touching registers if engine is off 2019-02-20 10:25:43 +01:00
omapdrm drm/omap: fix memory barrier bug in DMM driver 2018-11-21 09:19:10 +01:00
panel drm/panel: simple: tv123wam: Add unprepare delay 2018-08-14 13:42:37 -04:00
pl111 drm/pl111: Make sure of_device_id tables are NULL terminated 2018-09-10 16:01:22 -04:00
qxl drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
r128
radeon drm/radeon/evergreen_cs: fix missing break in switch statement 2019-03-23 20:10:12 +01:00
rcar-du drm: rcar-du: Update Gen3 output limitations 2018-11-21 09:19:11 +01:00
rockchip drm/rockchip: fix for mailbox read size 2019-02-12 19:47:00 +01:00
savage drm/savage: off by one in savage_bci_cmdbuf() 2018-07-04 14:27:01 +02:00
scheduler drm/scheduler: fix param documentation 2018-08-09 11:57:39 -05:00
selftests drm-misc-next for 4.19: 2018-06-22 12:58:08 +10:00
shmobile drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
sis
sti drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
stm drm/stm: Replace drm_dev_unref with drm_dev_put 2018-07-13 10:11:02 +02:00
sun4i drm/sun4i: tcon: Prepare and enable TCON channel 0 clock at init 2019-03-13 14:02:36 -07:00
tdfx
tegra drm pull for 4.19-rc1 2018-08-15 17:39:07 -07:00
tilcdc drm-misc-next for 4.19: 2018-07-20 10:46:49 +10:00
tinydrm drm/tinydrm: add backlight dependency for ili9341 2018-07-12 12:10:07 -05:00
ttm drm/ttm: fix LRU handling in ttm_buffer_object_transfer 2018-12-21 14:15:15 +01:00
tve200
udl DRM: UDL: get rid of useless vblank initialization 2019-01-09 17:38:42 +01:00
v3d drm/v3d: Fix prime imports of buffers from other drivers. 2019-02-12 19:47:04 +01:00
vc4 drm/vc4: ->x_scaling[1] should never be set to VC4_SCALING_NONE 2019-02-12 19:46:59 +01:00
vgem drm/vgem: Fix vgem_init to get drm device available. 2019-02-12 19:46:56 +01:00
via treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
virtio drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
vkms drm/vkms: Fix license inconsistent 2019-02-20 10:25:49 +01:00
vmwgfx drm/vmwgfx: Return 0 when gmrid::get_node runs out of ID's 2019-03-27 14:14:38 +09:00
xen drm-misc-next for 4.19: 2018-06-22 12:58:08 +10:00
zte drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic.c drm: Get ref on CRTC commit object when waiting for flip_done 2018-10-18 14:23:13 -04:00
drm_atomic_helper.c drm: Block fb changes for async plane updates 2019-03-19 13:12:42 +01:00
drm_auth.c drm: set is_master to 0 upon drm_new_set_master() failure 2018-12-08 12:59:07 +01:00
drm_blend.c
drm_bridge.c
drm_bufs.c drm/bufs: Fix Spectre v1 vulnerability 2019-02-12 19:46:56 +01:00
drm_cache.c
drm_client.c drm/cma-helper: Fix crash in fbdev error path 2018-10-02 13:03:34 +02:00
drm_color_mgmt.c
drm_connector.c drm/connector: Fix typo in drm_connector_list_iter_next() 2018-07-16 13:18:09 -04:00
drm_context.c drm: re-enable error handling 2018-07-16 10:01:19 -04:00
drm_crtc.c drm: fix use of freed memory in drm_mode_setcrtc 2018-10-05 15:55:17 +03:00
drm_crtc_helper.c
drm_crtc_helper_internal.h
drm_crtc_internal.h drm: drop _mode_ from remaining connector functions 2018-07-13 18:40:27 +02:00
drm_debugfs.c drm/atomic: Use drm_drv_uses_atomic_modeset() for debugfs creation 2018-09-17 19:24:37 -04:00
drm_debugfs_crc.c drm/crc: Only report a single overflow when a CRC fd is opened 2018-07-06 14:57:03 +02:00
drm_dma.c
drm_dp_aux_dev.c
drm_dp_cec.c drm_dp_cec.c: fix formatting typo: %pdH -> %phD 2018-07-28 15:50:40 -03:00
drm_dp_dual_mode_helper.c
drm_dp_helper.c drm/dp_helper: Add DP aux channel tracing 2018-07-16 11:47:53 -04:00
drm_dp_mst_topology.c drm/dp_mst: Check if primary mstb is null 2018-11-21 09:19:26 +01:00
drm_drv.c drm/dp_helper: Add DP aux channel tracing 2018-07-16 11:47:53 -04:00
drm_dumb_buffers.c drm-misc-next for 4.19: 2018-06-28 13:29:07 +10:00
drm_edid.c drm/edid: Add 6 bpc quirk for BOE panel. 2018-11-27 16:12:59 +01:00
drm_edid_load.c
drm_encoder.c
drm_encoder_slave.c
drm_fb_cma_helper.c drm/cma-helper: Fix crash in fbdev error path 2018-10-02 13:03:34 +02:00
drm_fb_helper.c drm/fb-helper: generic: Fix drm_fbdev_client_restore() 2019-03-23 20:10:12 +01:00
drm_file.c drm: Begin an API for in-kernel clients 2018-07-10 14:51:37 +02:00
drm_flip_work.c
drm_fourcc.c drm/fourcc: Add is_yuv field to drm_format_info to denote if the format is yuv 2018-07-18 16:56:45 +01:00
drm_framebuffer.c drm: Add drm_plane_mask() 2018-07-02 18:45:55 +03:00
drm_gem.c drm/i915: Prevent writing into a read-only object via a GGTT mmap 2018-07-13 16:14:04 +01:00
drm_gem_cma_helper.c
drm_gem_framebuffer_helper.c drm/gem-fb-helper: Always do implicit sync 2018-06-20 14:43:13 +02:00
drm_global.c drm: add SPDX identifier and clarify license 2018-06-29 15:28:47 -05:00
drm_hashtab.c treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
drm_info.c
drm_internal.h drm/lease: Send a distinct uevent 2018-12-13 09:16:21 +01:00
drm_ioc32.c drm: Drop DRM_CONTROL_ALLOW from ioctls 2018-05-03 11:28:02 +02:00
drm_ioctl.c drm/ioctl: Fix Spectre v1 vulnerabilities 2018-12-29 13:37:59 +01:00
drm_irq.c
drm_kms_helper_common.c
drm_lease.c drm: Use array_size() when creating lease 2019-02-20 10:25:49 +01:00
drm_legacy.h
drm_lock.c
drm_memory.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
drm_mipi_dsi.c drm: Add support for pps and compression mode command packet 2018-07-25 07:51:05 -04:00
drm_mm.c drm/mm: Add a search-by-address variant to only inspect a single hole 2018-05-24 15:04:30 +01:00
drm_mode_config.c drm: writeback: Add client capability for exposing writeback connectors 2018-06-20 15:30:20 +01:00
drm_mode_object.c drm: Reorder set_property_atomic to avoid returning with an active ww_ctx 2019-03-27 14:14:42 +09:00
drm_modes.c drm/modes: Prevent division by zero htotal 2019-02-15 08:10:12 +01:00
drm_modeset_helper.c
drm_modeset_lock.c drm: Change deadlock-avoidance algorithm for the modeset locks. 2018-07-03 09:46:05 +02:00
drm_of.c drm/doc: Include drm_of.c helpers 2018-07-13 18:40:28 +02:00
drm_panel.c Revert "drm/panel: Add device_link from panel device to DRM device" 2018-09-27 11:00:42 -04:00
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Add quirk for Acer One 10 (S1003) 2018-11-21 09:19:26 +01:00
drm_pci.c drm: drop drm_pcie_get_speed_cap_mask and drm_pcie_get_max_link_width 2018-07-05 16:40:00 -05:00
drm_plane.c drm: Introduce __setplane_atomic() 2018-07-13 17:58:19 +03:00
drm_plane_helper.c drm: add missing ctx argument to plane transitional helpers 2018-07-03 09:30:19 +02:00
drm_prime.c dma-buf: remove kmap_atomic interface 2018-06-20 15:59:34 +02:00
drm_print.c drm: Add puts callback for the coredump printer 2018-07-30 08:49:41 -04:00
drm_probe_helper.c drm: drop _mode_ from remaining connector functions 2018-07-13 18:40:27 +02:00
drm_property.c drm: Use kvzalloc for allocating blob property memory 2018-07-02 11:05:21 -05:00
drm_rect.c drm/rect: Handle rounding errors in drm_rect_clip_scaled, v3. 2018-05-04 11:09:54 +02:00
drm_scatter.c
drm_scdc_helper.c
drm_simple_kms_helper.c drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
drm_syncobj.c drm/syncobj: Don't leak fences when WAIT_FOR_SUBMIT is set 2018-09-26 10:39:14 -04:00
drm_sysfs.c drm/lease: Send a distinct uevent 2018-12-13 09:16:21 +01:00
drm_trace.h
drm_trace_points.c
drm_vblank.c
drm_vm.c gpu: drm: drm_vm: Adding new typedef vm_fault_t 2018-05-29 08:58:46 +02:00
drm_vma_manager.c drm: add SPDX idenitifier and clarify license 2018-06-29 15:28:47 -05:00
drm_writeback.c drm: writeback: Fix doc that says connector should be disconnected 2018-07-16 16:35:27 +01:00
Kconfig drm/fb_helper: Allow leaking fbdev smem_start 2019-01-16 22:04:35 +01:00
Makefile drm: add support for DisplayPort CEC-Tunneling-over-AUX 2018-07-13 17:58:19 +03:00