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| author | Bob Zhou <[email protected]> | 2024-04-23 08:58:11 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-04-26 21:22:43 +0000 |
| commit | 8b2faf1a4f3b6c748c0da36cda865a226534d520 (patch) | |
| tree | b2bcc9d9b61b3caa695e91a9e651ce087b39c8ef | |
| parent | drm/amdgpu: Initialize timestamp for some legacy SOCs (diff) | |
| download | kernel-8b2faf1a4f3b6c748c0da36cda865a226534d520.tar.gz kernel-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 <[email protected]>
Acked-by: Christian König <[email protected]>
Reviewed-by: Le Ma <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -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); |