[Bug]: CODECHAL_ENC_HEVC_B_MB_ENC_CURBE_G9[0] [-Werror=array-bounds=]

[kwizart]

Which component impacted?

Build

Is it regression? Good in old configuration?

No, this issue exist a long time

What happened?

Building current media-driver with -Werror leads to the following build failure on fedora 40 x86_64:

struct CODECHAL_ENC_HEVC_B_MB_ENC_CURBE_G9[0]’ is partly outside array bounds of ‘uint32_t[56]’ [-Werror=array-bounds=]

/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp: In member function ‘CodechalEncHevcStateG9::SetupBrcConstantTable(MOS_SURFACE*)’:
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:6193:23: error: array subscript ‘struct CODECHAL_ENC_HEVC_B_MB_ENC_CURBE_G9[0]’ is partly outside array bounds of ‘uint32_t[56]’ [-Werror=array-bounds=]
 6193 |         if(curbe->DW3.BlockBasedSkipEnable)
      |                       ^~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:2950:16: note: object ‘CodechalEncHevcStateG9::m_encBTu7PCurbeInit’ of size 224
 2950 | const uint32_t CodechalEncHevcStateG9::m_encBTu7PCurbeInit[56] =
      |                ^~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:2893:16: note: object ‘CodechalEncHevcStateG9::m_encBTu1BCurbeInit’ of size 224
 2893 | const uint32_t CodechalEncHevcStateG9::m_encBTu1BCurbeInit[56] =
      |                ^~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:2938:16: note: object ‘CodechalEncHevcStateG9::m_encBTu4PCurbeInit’ of size 224
 2938 | const uint32_t CodechalEncHevcStateG9::m_encBTu4PCurbeInit[56] =
      |                ^~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:2926:16: note: object ‘CodechalEncHevcStateG9::m_encBTu1PCurbeInit’ of size 224
 2926 | const uint32_t CodechalEncHevcStateG9::m_encBTu1PCurbeInit[56] =
      |                ^~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:2904:16: note: object ‘CodechalEncHevcStateG9::m_encBTu4BCurbeInit’ of size 224
 2904 | const uint32_t CodechalEncHevcStateG9::m_encBTu4BCurbeInit[56] =
      |                ^~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/media-driver-intel-media-23.4.3/media_driver/agnostic/gen9/codec/hal/codechal_encode_hevc_g9.cpp:2915:16: note: object ‘CodechalEncHevcStateG9::m_encBTu7BCurbeInit’ of size 224
 2915 | const uint32_t CodechalEncHevcStateG9::m_encBTu7BCurbeInit[56] =
      |                ^~~~~~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors

What's the usage scenario when you are seeing the problem?

Others

What impacted?

No response

Debug Information

No response

Do you want to contribute a patch to fix the issue?

No.

[kwizart]

See also ##1450 (unsure if fixed nowadays)...

[intel-mediadev]

Auto Created VSMGWL-72135 for further analysis.