This is a note to let you know that I've just added the patch titled
drm/amdgpu: Validate VM ioctl flags.
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-validate-vm-ioctl-flags.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a2b308044dcaca8d3e580959a4f867a1d5c37fac Mon Sep 17 00:00:00 2001
From: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 13 May 2023 14:51:00 +0200
Subject: drm/amdgpu: Validate VM ioctl flags.
From: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx>
commit a2b308044dcaca8d3e580959a4f867a1d5c37fac upstream.
None have been defined yet, so reject anybody setting any. Mesa sets
it to 0 anyway.
Signed-off-by: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -3076,6 +3076,10 @@ int amdgpu_vm_ioctl(struct drm_device *d
struct amdgpu_fpriv *fpriv = filp->driver_priv;
int r;
+ /* No valid flags defined yet */
+ if (args->in.flags)
+ return -EINVAL;
+
switch (args->in.op) {
case AMDGPU_VM_OP_RESERVE_VMID:
/* current, we only have requirement to reserve vmid from gfxhub */
Patches currently in stable-queue which might be from bas@xxxxxxxxxxxxxxxxxxx are
queue-5.4/drm-amdgpu-validate-vm-ioctl-flags.patch
