diff options
| author | Bob Zhou <bob.zhou@amd.com> | 2024-04-23 16:58:11 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-26 17:22:43 -0400 |
| commit | 8b2faf1a4f3b6c748c0da36cda865a226534d520 (patch) | |
| tree | b2bcc9d9b61b3caa695e91a9e651ce087b39c8ef /drivers/gpu/drm/amd | |
| parent | 2e55bcf3d742a4946d862b86e39e75a95cc6f1c0 (diff) | |
| download | linux-stable-8b2faf1a4f3b6c748c0da36cda865a226534d520.tar.gz linux-stable-8b2faf1a4f3b6c748c0da36cda865a226534d520.tar.bz2 linux-stable-8b2faf1a4f3b6c748c0da36cda865a226534d520.zip | |
drm/amdgpu: add error handle to avoid out-of-bounds
if the sdma_v4_0_irq_id_to_seq return -EINVAL, the process should
be stop to avoid out-of-bounds read, so directly return -EINVAL.
Signed-off-by: Bob Zhou <bob.zhou@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index e2e3856938ed..101038395c3b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2021,6 +2021,9 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev, DRM_DEBUG("IH: SDMA trap\n"); instance = sdma_v4_0_irq_id_to_seq(entry->client_id); + if (instance < 0) + return instance; + switch (entry->ring_id) { case 0: amdgpu_fence_process(&adev->sdma.instance[instance].ring); |