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kernel_arpi/drivers/gpu/drm
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Zheyu Ma 5c3d753b87 drm/ttm: add a check against null pointer dereference 
[ Upstream commit 9e5c772954 ]

When calling ttm_range_man_fini(), 'man' may be uninitialized, which may
cause a null pointer dereference bug.

Fix this by checking if it is a null pointer.

This log reveals it:

[    7.902580 ] BUG: kernel NULL pointer dereference, address: 0000000000000058
[    7.905721 ] RIP: 0010:ttm_range_man_fini+0x40/0x160
[    7.911826 ] Call Trace:
[    7.911826 ]  radeon_ttm_fini+0x167/0x210
[    7.911826 ]  radeon_bo_fini+0x15/0x40
[    7.913767 ]  rs400_fini+0x55/0x80
[    7.914358 ]  radeon_device_fini+0x3c/0x140
[    7.914358 ]  radeon_driver_unload_kms+0x5c/0xe0
[    7.914358 ]  radeon_driver_load_kms+0x13a/0x200
[    7.914358 ]  ? radeon_driver_unload_kms+0xe0/0xe0
[    7.914358 ]  drm_dev_register+0x1db/0x290
[    7.914358 ]  radeon_pci_probe+0x16a/0x230
[    7.914358 ]  local_pci_probe+0x4a/0xb0

Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1626274459-8148-1-git-send-email-zheyuma97@gmail.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-31 08:16:12 +02:00
..
amd
drm/amdgpu: update golden setting for sienna_cichlid
2021-07-28 14:35:47 +02:00
arc
…
arm
drm/arm/malidp: Always list modifiers
2021-07-19 09:44:58 +02:00
armada
Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-09-23 09:52:24 +10:00
aspeed
drm/aspeed: Fix Kconfig warning & subsequent build errors
2020-12-30 11:52:56 +01:00
ast
Revert "drm/ast: Remove reference to struct drm_device.pdev"
2021-07-20 16:05:37 +02:00
atmel-hlcdc
…
bochs
…
bridge
drm: bridge: cdns-mhdp8546: Fix PM reference leak in
2021-07-19 09:44:44 +02:00
etnaviv
drm/etnaviv: Use FOLL_FORCE for userptr
2021-03-30 14:31:55 +02:00
exynos
drm/exynos: depend on COMMON_CLK to fix compile tests
2020-11-23 10:01:32 +09:00
fsl-dcu
…
gma500
drm/gma500: Add the missed drm_gem_object_put() in psb_user_framebuffer_create()
2021-07-20 16:05:48 +02:00
hisilicon
drm/hisilicon: Fix use-after-free
2021-03-07 12:34:11 +01:00
i2c
…
i810
drm/i810: make i810_flush_queue() return void
2020-09-11 10:54:17 +02:00
i915
drm/i915/gvt: Clear d3_entered on elsp cmd submission.
2021-07-28 14:35:48 +02:00
imx
drm/imx: imx-ldb: fix out of bounds array access warning
2021-04-16 11:43:20 +02:00
ingenic
drm/ingenic: Switch IPU plane to type OVERLAY
2021-07-20 16:05:37 +02:00
lib
…
lima
drm/lima: fix reference leak in lima_pm_busy
2021-03-04 11:37:49 +01:00
mcde
drm/mcde: Fix off by 10^3 in calculation
2021-06-16 12:01:44 +02:00
mediatek
drm/mediatek: Fix PM reference leak in mtk_crtc_ddp_hw_init()
2021-07-19 09:44:38 +02:00
meson
drm/meson: fix shutdown crash when component not probed
2021-06-03 09:00:36 +02:00
mga
…
mgag200
…
msm
drm/msm/mdp4: Fix modifier support enabling
2021-07-19 09:44:58 +02:00
mxsfb
drm/mxsfb: Don't select DRM_KMS_FB_HELPER
2021-07-19 09:44:36 +02:00
nouveau
drm/nouveau: Don't set allow_fb_modifiers explicitly
2021-07-19 09:44:58 +02:00
omapdrm
drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()
2020-12-30 11:53:13 +01:00
panel
drm/panel: raspberrypi-touchscreen: Prevent double-free
2021-07-28 14:35:41 +02:00
panfrost
drm/panfrost: Don't try to map pages that are already mapped
2021-05-14 09:50:01 +02:00
pl111
drm/pl111: Actually fix CONFIG_VEXPRESS_CONFIG depends
2021-07-14 16:56:19 +02:00
qxl
drm: qxl: ensure surf.data is ininitialized
2021-07-14 16:56:20 +02:00
r128
…
radeon
drm/radeon: Call radeon_suspend_kms() in radeon_pci_shutdown() for Loongson64
2021-07-19 09:44:57 +02:00
rcar-du
drm: rcar-du: Fix the return check of of_parse_phandle and of_find_device_by_node
2021-03-04 11:37:38 +01:00
rockchip
drm/rockchip: dsi: remove extra component_del() call
2021-07-19 09:44:57 +02:00
savage
…
scheduler
drm/sched: Avoid data corruptions
2021-07-19 09:44:40 +02:00
selftests
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shmobile
…
sis
…
sti
…
stm
drm/stm: Fix bus_flags handling
2021-05-14 09:50:22 +02:00
sun4i
drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device
2021-06-23 14:42:49 +02:00
tdfx
…
tegra
drm/tegra: Don't set allow_fb_modifiers explicitly
2021-07-19 09:44:58 +02:00
tidss
…
tilcdc
drm/tilcdc: send vblank event when disabling crtc
2021-05-14 09:50:21 +02:00
tiny
drm: Use USB controller's DMA mask when importing dmabufs
2021-03-17 17:06:19 +01:00
ttm
drm/ttm: add a check against null pointer dereference
2021-07-31 08:16:12 +02:00
tve200
drm/tve200: Fix handling of platform_get_irq() error
2020-12-30 11:52:56 +01:00
udl
drm: Use USB controller's DMA mask when importing dmabufs
2021-03-17 17:06:19 +01:00
v3d
drm/v3d: Fix double free in v3d_submit_cl_ioctl()
2020-10-26 11:43:31 +01:00
vboxvideo
drm/vboxvideo: Use drm_gem_vram_vmap() interfaces
2020-09-14 09:12:24 +02:00
vc4
drm/vc4: hdmi: Prevent clock unbalance
2021-07-19 09:44:57 +02:00
vgem
drm/vgem: Use devm_drm_dev_alloc
2020-09-11 10:47:19 +02:00
via
…
virtio
drm/virtio: Fix double free on probe failure
2021-07-19 09:44:39 +02:00
vkms
drm/vkms: fix misuse of WARN_ON
2021-05-11 14:47:26 +02:00
vmwgfx
drm/vmwgfx: Fix cpu updates of coherent multisample surfaces
2021-07-14 16:56:16 +02:00
xen
gpu/xen: Fix a use after free in xen_drm_drv_init
2021-04-21 13:00:52 +02:00
xlnx
drm: xlnx: zynqmp: fix a memset in zynqmp_dp_train()
2021-05-14 09:50:26 +02:00
zte
drm/zte: Don't select DRM_KMS_FB_HELPER
2021-07-19 09:44:36 +02:00
drm_agpsupport.c
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drm_atomic_helper.c
drm/atomic: put state on error path
2021-01-27 11:54:55 +01:00
drm_atomic_state_helper.c
…
drm_atomic_uapi.c
…
drm_atomic.c
…
drm_auth.c
Revert "drm: add a locked version of drm_is_current_master"
2021-06-30 08:47:30 -04:00
drm_blend.c
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drm_bridge_connector.c
…
drm_bridge.c
drm/bridge: Fix the stop condition of drm_bridge_chain_pre_enable()
2021-07-14 16:56:15 +02:00
drm_bufs.c
…
drm_cache.c
…
drm_client_modeset.c
…
drm_client.c
…
drm_color_mgmt.c
…
drm_connector.c
…
drm_context.c
…
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
…
drm_crtc_internal.h
…
drm_crtc.c
…
drm_damage_helper.c
…
drm_debugfs_crc.c
…
drm_debugfs.c
…
drm_dma.c
…
drm_dp_aux_dev.c
drm/dp_aux_dev: check aux_dev before use in drm_dp_aux_dev_get_by_minor()
2020-12-30 11:54:19 +01:00
drm_dp_cec.c
…
drm_dp_dual_mode_helper.c
…
drm_dp_helper.c
drm/dp: Handle zeroed port counts in drm_dp_read_downstream_info()
2021-07-19 09:44:57 +02:00
drm_dp_mst_topology_internal.h
…
drm_dp_mst_topology.c
drm/dp_mst: Add missing drm parameters to recently added call to drm_dbg_kms()
2021-07-20 16:05:37 +02:00
drm_drv.c
drm/dev: Remove drm_dev_init
2020-09-21 10:45:08 +02:00
drm_dsc.c
…
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: fix objtool warning in drm_cvt_modes()
2020-12-30 11:54:29 +01:00
drm_encoder_slave.c
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drm_encoder.c
…
drm_fb_cma_helper.c
…
drm_fb_helper.c
drm/fb-helper: Add missed unlocks in setcmap_legacy()
2021-03-04 11:37:36 +01:00
drm_file.c
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drm_flip_work.c
…
drm_format_helper.c
…
drm_fourcc.c
…
drm_framebuffer.c
…
drm_gem_cma_helper.c
…
drm_gem_framebuffer_helper.c
…
drm_gem_shmem_helper.c
drm/shmem-helpers: vunmap: Don't put pages for dma-buf
2021-03-17 17:06:19 +01:00
drm_gem_ttm_helper.c
…
drm_gem_vram_helper.c
drm/vram-helper: Fix use of top-down placement
2020-11-20 05:20:48 +10:00
drm_gem.c
drm/shme-helpers: Fix dma_buf_mmap forwarding bug
2020-10-28 12:27:41 +01:00
drm_hashtab.c
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drm_hdcp.c
…
drm_internal.h
drm/dev: Remove drm_dev_init
2020-09-21 10:45:08 +02:00
drm_ioc32.c
drm/compat: Clear bounce structures
2021-03-17 17:06:18 +01:00
drm_ioctl.c
drm: Return -ENOTTY for non-drm ioctls
2021-07-28 14:35:47 +02:00
drm_irq.c
…
drm_kms_helper_common.c
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drm_lease.c
…
drm_legacy_misc.c
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drm_legacy.h
…
drm_lock.c
…
drm_managed.c
drm/dev: Remove drm_dev_init
2020-09-21 10:45:08 +02:00
drm_memory.c
…
drm_mipi_dbi.c
…
drm_mipi_dsi.c
…
drm_mm.c
…
drm_mode_config.c
…
drm_mode_object.c
…
drm_modes.c
drm/modes: Switch to 64bit maths to avoid integer overflow
2021-03-04 11:38:27 +01:00
drm_modeset_helper.c
…
drm_modeset_lock.c
…
drm_of.c
…
drm_panel_orientation_quirks.c
drm: Added orientation quirk for OneGX1 Pro
2021-05-11 14:47:22 +02:00
drm_panel.c
…
drm_pci.c
…
drm_plane_helper.c
…
drm_plane.c
…
drm_prime.c
drm: kernel-doc: add description for a new function parameter
2020-10-27 11:21:04 +01:00
drm_print.c
…
drm_probe_helper.c
drm/probe-helper: Check epoch counter in output_poll_execute()
2021-05-14 09:50:23 +02:00
drm_property.c
…
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
…
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
…
drm_syncobj.c
drm/syncobj: Fix use-after-free
2021-01-27 11:54:55 +01:00
drm_sysfs.c
…
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
…
drm_vblank.c
drm/atomic-helper: Remove the timestamping constant update from drm_atomic_helper_update_legacy_modeset_state()
2020-09-14 22:37:31 +03:00
drm_vm.c
…
drm_vma_manager.c
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drm_writeback.c
…
Kconfig
drm/radeon: fix AGP dependency
2021-03-30 14:31:51 +02:00
Makefile
…