Guchun Chen 2dedcf414b drm/ttm: check null pointer before accessing when swapping ... Add a check to avoid null pointer dereference as below: [ 90.002283] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 90.002292] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 90.002346] ? exc_general_protection+0x159/0x240 [ 90.002352] ? asm_exc_general_protection+0x26/0x30 [ 90.002357] ? ttm_bo_evict_swapout_allowable+0x322/0x5e0 [ttm] [ 90.002365] ? ttm_bo_evict_swapout_allowable+0x42e/0x5e0 [ttm] [ 90.002373] ttm_bo_swapout+0x134/0x7f0 [ttm] [ 90.002383] ? __pfx_ttm_bo_swapout+0x10/0x10 [ttm] [ 90.002391] ? lock_acquire+0x44d/0x4f0 [ 90.002398] ? ttm_device_swapout+0xa5/0x260 [ttm] [ 90.002412] ? lock_acquired+0x355/0xa00 [ 90.002416] ? do_raw_spin_trylock+0xb6/0x190 [ 90.002421] ? __pfx_lock_acquired+0x10/0x10 [ 90.002426] ? ttm_global_swapout+0x25/0x210 [ttm] [ 90.002442] ttm_device_swapout+0x198/0x260 [ttm] [ 90.002456] ? __pfx_ttm_device_swapout+0x10/0x10 [ttm] [ 90.002472] ttm_global_swapout+0x75/0x210 [ttm] [ 90.002486] ttm_tt_populate+0x187/0x3f0 [ttm] [ 90.002501] ttm_bo_handle_move_mem+0x437/0x590 [ttm] [ 90.002517] ttm_bo_validate+0x275/0x430 [ttm] [ 90.002530] ? __pfx_ttm_bo_validate+0x10/0x10 [ttm] [ 90.002544] ? kasan_save_stack+0x33/0x60 [ 90.002550] ? kasan_set_track+0x25/0x30 [ 90.002554] ? __kasan_kmalloc+0x8f/0xa0 [ 90.002558] ? amdgpu_gtt_mgr_new+0x81/0x420 [amdgpu] [ 90.003023] ? ttm_resource_alloc+0xf6/0x220 [ttm] [ 90.003038] amdgpu_bo_pin_restricted+0x2dd/0x8b0 [amdgpu] [ 90.003210] ? __x64_sys_ioctl+0x131/0x1a0 [ 90.003210] ? do_syscall_64+0x60/0x90 Fixes: a2848d0874 ("drm/ttm: never consider pinned BOs for eviction&swap") Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> Signed-off-by: Guchun Chen <guchun.chen@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20230724024229.1118444-1-guchun.chen@amd.com Signed-off-by: Christian König <christian.koenig@amd.com>		2023-07-27 09:51:51 +02:00
..
accel	accel/qaic: Fix a leak in map_user_pages()	2023-07-14 10:14:58 -06:00
accessibility	…
acpi	More ACPI updates for 6.5-rc1	2023-07-06 22:25:06 -07:00
amba	…
android	…
ata	driver core changes for 6.5-rc1	2023-07-03 12:56:23 -07:00
atm	…
auxdisplay	drm changes for 6.5-rc1:	2023-06-29 11:00:17 -07:00
base	driver core changes for 6.5-rc1	2023-07-03 12:56:23 -07:00
bcma	…
block	Networking changes for 6.5.	2023-06-28 16:43:10 -07:00
bluetooth	Including fixes from bluetooth, bpf and wireguard.	2023-07-05 15:44:45 -07:00
bus	SoC fixes for 6.5, part 1	2023-07-06 09:56:53 -07:00
cdrom	cdrom/gdrom: Fix build error	2023-06-29 08:09:31 -06:00
cdx	…
char	virtio: features, fixes, cleanups	2023-07-03 15:38:26 -07:00
clk	Another set of clk driver updates and fixes for the merge window. The	2023-07-04 11:07:45 -07:00
clocksource	RISC-V Patches for the 6.5 Merge Window, Part 1	2023-06-30 09:37:26 -07:00
comedi	comedi: make all 'class' structures const	2023-06-23 10:29:02 +02:00
connector	…
counter	…
cpufreq	More power management updates for 6.5-rc1	2023-07-04 11:22:50 -07:00
cpuidle	…
crypto	s390 updates for 6.5 merge window part 2	2023-07-06 13:18:30 -07:00
cxl	cxl: Fix one kernel-doc comment	2023-06-29 16:03:58 -07:00
dax	dax: enable dax fault handler to report VM_FAULT_HWPOISON	2023-06-26 07:54:23 -06:00
dca	…
devfreq	…
dio	…
dma	dmaengine updates for v6.5	2023-07-06 09:48:31 -07:00
dma-buf	dma-buf/dma-resv: Stop leaking on krealloc() failure	2023-07-15 13:57:30 +02:00
edac	- Add initial support for RAS hardware found on AMD server GPUs (MI200).	2023-06-26 15:09:18 -07:00
eisa	…
extcon	…
firewire	firewire: net: fix use after free in fwnet_finish_incoming_packet()	2023-06-24 14:03:46 +09:00
firmware	Char/Misc and other driver subsystem updates for 6.5-rc1	2023-07-03 12:46:47 -07:00
fpga	Char/Misc and other driver subsystem updates for 6.5-rc1	2023-07-03 12:46:47 -07:00
fsi	…
gnss	…
gpio	Pin control changes for the v6.5 kernel cycle:	2023-06-30 14:57:19 -07:00
gpu	drm/ttm: check null pointer before accessing when swapping	2023-07-27 09:51:51 +02:00
greybus	…
hid	drm changes for 6.5-rc1:	2023-06-29 11:00:17 -07:00
hsi	…
hte	…
hv	…
hwmon	driver core changes for 6.5-rc1	2023-07-03 12:56:23 -07:00
hwspinlock	…
hwtracing	Char/Misc and other driver subsystem updates for 6.5-rc1	2023-07-03 12:46:47 -07:00
i2c	Part 2 of I2C patches for 6.5	2023-07-08 12:28:00 -07:00
i3c	…
idle	intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()	2023-06-28 19:09:55 +02:00
iio	driver core changes for 6.5-rc1	2023-07-03 12:56:23 -07:00
infiniband	v6.5 merge window RDMA pull request	2023-06-29 21:01:17 -07:00
input	ARM: SoC changes for 6.5	2023-06-29 15:28:33 -07:00
interconnect	…
iommu	iommufd for 6.5	2023-06-29 20:57:27 -07:00
ipack	…
irqchip	RISC-V Patches for the 6.5 Merge Window, Part 1	2023-06-30 09:37:26 -07:00
isdn	…
leds	- New Drivers	2023-07-03 11:26:05 -07:00
macintosh	…
mailbox	mailbox: ti-msgmgr: Fill non-message tx data fields with 0x0	2023-06-30 17:35:45 -05:00
mcb	…
md	hardening fixes for v6.5-rc1	2023-07-08 12:08:39 -07:00
media	media updates for v6.5-rc1	2023-07-05 10:42:32 -07:00
memory	asm-generic updates for 6.5	2023-07-06 10:06:04 -07:00
memstick	…
message	…
mfd	- New Drivers	2023-07-03 10:55:04 -07:00
misc	Char/Misc and other driver subsystem updates for 6.5-rc1	2023-07-03 12:46:47 -07:00
mmc	mmc: Revert "mmc: core: Allow mmc_start_host() synchronously detect a card"	2023-06-30 14:06:51 +02:00
most	…
mtd	Core MTD changes:	2023-06-28 14:02:03 -07:00
mux	…
net	Fixes for pci_clean_master, error handling in driver inits, and various	2023-07-09 09:35:51 -07:00
nfc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2023-06-22 18:40:38 -07:00
ntb	ntb: hw: amd: Fix debugfs_create_dir error checking	2023-07-08 13:55:44 -04:00
nubus	…
nvdimm	dax: enable dax fault handler to report VM_FAULT_HWPOISON	2023-06-26 07:54:23 -06:00
nvme	Including fixes from bluetooth, bpf and wireguard.	2023-07-05 15:44:45 -07:00
nvmem	…
of	Devicetree updates for v6.5:	2023-06-29 14:58:26 -07:00
opp	OPP: Properly propagate error along when failing to get icc_path	2023-06-27 07:35:14 +05:30
parisc	parisc: Move init function declarations into header file	2023-06-30 17:14:15 +02:00
parport	Char/Misc and other driver subsystem updates for 6.5-rc1	2023-07-03 12:46:47 -07:00
pci	Fixes for pci_clean_master, error handling in driver inits, and various	2023-07-09 09:35:51 -07:00
pcmcia	…
peci	…
perf	cxl for v6.5	2023-07-01 08:58:41 -07:00
phy	phy-for-6.5-v2	2023-07-05 21:38:13 -07:00
pinctrl	Pin control changes for the v6.5 kernel cycle:	2023-06-30 14:57:19 -07:00
platform	USB / Thunderbolt driver updates for 6.5-rc1	2023-07-03 13:23:10 -07:00
pnp	…
power	power supply and reset changes for the 6.5 series	2023-07-03 17:23:16 -07:00
powercap	ARM: SoC drivers for 6.5	2023-06-29 15:22:19 -07:00
pps	…
ps3	…
ptp	ptp: Make max_phase_adjustment sysfs device attribute invisible when not supported	2023-07-03 13:17:25 -07:00
pwm	pwm: Changes for v6.5-rc1	2023-07-05 12:55:06 -07:00
rapidio	…
ras	…
regulator	regulator: Fix for v6.5	2023-07-06 19:20:23 -07:00
remoteproc	remoteproc updates for v6.5	2023-07-03 17:03:05 -07:00
reset	ARM: SoC drivers for 6.5	2023-06-29 15:22:19 -07:00
rpmsg	…
rtc	RTC for 6.5	2023-07-03 10:43:10 -07:00
s390	s390 updates for 6.5 merge window part 2	2023-07-06 13:18:30 -07:00
sbus	oradax: make 'cl' a static const structure	2023-06-23 10:27:02 +02:00
scsi	SCSI misc on 20230708	2023-07-08 12:35:18 -07:00
sh	…
siox	…
slimbus	…
soc	USB / Thunderbolt driver updates for 6.5-rc1	2023-07-03 13:23:10 -07:00
soundwire	soundwire: stream: Make master_list ordered to prevent deadlocks	2023-06-21 16:31:45 +05:30
spi	spi: Fixes for v6.5	2023-07-06 19:24:11 -07:00
spmi	…
ssb	…
staging	media updates for v6.5-rc1	2023-07-05 10:42:32 -07:00
target	SCSI misc on 20230708	2023-07-08 12:35:18 -07:00
tc	…
tee	ARM: SoC drivers for 6.5	2023-06-29 15:22:19 -07:00
thermal	Thermal control updates for 6.5-rc1	2023-06-26 19:41:26 -07:00
thunderbolt	…
tty	TTY/Serial driver updates for 6.5-rc1.	2023-07-03 13:14:58 -07:00
ufs	SCSI misc on 20230708	2023-07-08 12:35:18 -07:00
uio	…
usb	USB / Thunderbolt driver updates for 6.5-rc1	2023-07-03 13:23:10 -07:00
vdpa	virtio: features, fixes, cleanups	2023-07-03 15:38:26 -07:00
vfio	VFIO updates for v6.5-rc1	2023-06-30 15:22:09 -07:00
vhost	virtio: features, fixes, cleanups	2023-07-03 15:38:26 -07:00
video	- New Functionality	2023-07-03 11:31:01 -07:00
virt	workqueue: Ordered workqueue creation cleanups	2023-06-27 16:46:06 -07:00
virtio	virtio: allow caller to override device DMA mask in vp_modern	2023-06-27 10:47:08 -04:00
vlynq	…
w1	…
watchdog	watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub)	2023-06-26 14:30:07 +02:00
xen	- Yosry Ahmed brought back some cgroup v1 stats in OOM logs.	2023-06-28 10:28:11 -07:00
zorro	…
Kconfig	…
Makefile	…