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drm/amdgpu: fix division by zero with invalid uvd dimensions
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix division by zero with invalid uvd dimensions When width or height is less than 16, width_in_mb or height_in_mb becomes 0, leading to fs_in_mb being 0. This causes a division by zero when calculating num_dpb_buffer in H264 and H264 Perf decode paths. Add validation to reject frames with width < 16 or height < 16 before performing any calculations that depend on these values. V2: Format change - move up all vaiable definitions. V3: Use warn_once to avoid spam. (cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb)
References
Affected products
- <ffb33d466a68cea3e8a3dbed04d79037a3cbabd1
- <7.1.6
- <6.12.101
- =<6.6.*
- <52f9a588296432accf2982f7d258192a37562f4f
- <be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc
- =<*
- <6.6.148
- =<6.18.*
- <6.18.42
- =<6.12.*
- <0c01c811be47e6b146552dd59bfedbea8f09b8f4
- =<7.1.*
- <a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf