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| author | Bob Zhou <bob.zhou@amd.com> | 2024-04-23 11:58:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-16 14:41:33 +0300 |
| commit | 011552f29f20842c9a7a21bffe1f6a2d6457ba46 (patch) | |
| tree | 7a7e4d22e792ef1af42a6f56cc2055106005b5ee /drivers/gpu | |
| parent | d082757b8359201c3864323cea4b91ea30a1e676 (diff) | |
| download | linux-011552f29f20842c9a7a21bffe1f6a2d6457ba46.tar.xz | |
drm/amdgpu: add error handle to avoid out-of-bounds
commit 8b2faf1a4f3b6c748c0da36cda865a226534d520 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -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 97b033dfe9e4..68cdb6682776 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2049,6 +2049,9 @@ 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); |