Today I tried compiling the kernel from source, with option KUBSAN
GENERIC kernel build suceeded.
Above is the error log.

/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c:1854:13:
error: stack frame size (2120) exceeds limit (2047) in
'DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation'
[-Werror,-Wframe-larger-than]
static void 
DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation(
            ^
1080/2120 (50.94%) spills, 1040/2120 (49.06%) variables
/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c:3286:6:
error: stack frame size (2872) exceeds limit (2047) in
'dml20_ModeSupportAndSystemConfigurationFull'
[-Werror,-Wframe-larger-than]
void dml20_ModeSupportAndSystemConfigurationFull(struct
display_mode_lib *mode_lib)
     ^
1726/2872 (60.10%) spills, 1146/2872 (39.90%) variables
1 error generated.
/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c:3393:6:
error: stack frame size (2888) exceeds limit (2047) in
'dml20v2_ModeSupportAndSystemConfigurationFull'
[-Werror,-Wframe-larger-than]
void dml20v2_ModeSupportAndSystemConfigurationFull(struct
display_mode_lib *mode_lib)
     ^
1679/2888 (58.14%) spills, 1209/2888 (41.86%) variables
/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c:3520:6:
error: stack frame size (2856) exceeds limit (2047) in
'dml21_ModeSupportAndSystemConfigurationFull'
[-Werror,-Wframe-larger-than]
void dml21_ModeSupportAndSystemConfigurationFull(struct
display_mode_lib *mode_lib)
     ^
1878/2856 (65.76%) spills, 978/2856 (34.24%) variables
1 error generated.
1 error generated.
/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c:3543:6:
error: stack frame size (4040) exceeds limit (2047) in
'dml30_ModeSupportAndSystemConfigurationFull'
[-Werror,-Wframe-larger-than]
void dml30_ModeSupportAndSystemConfigurationFull(struct
display_mode_lib *mode_lib)
     ^
2613/4040 (64.68%) spills, 1427/4040 (35.32%) variables
/usr/src/sys/dev/pci/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c:6497:32:
error: stack frame size (2472) exceeds limit (2047) in
'UseMinimumDCFCLK' [-Werror,-Wframe-larger-than]
static noinline_for_stack void UseMinimumDCFCLK(
                               ^
1423/2472 (57.56%) spills, 1049/2472 (42.44%) variables
3 errors generated.
*** Error 1 in /sys/arch/amd64/compile/CUSTOM (Makefile:2311
'display_mode_vba_30.o')
*** Error 1 (Makefile:2307 'display_mode_vba_21.o')
*** Error 1 (Makefile:2303 'display_mode_vba_20v2.o')
*** Error 1 (Makefile:2299 'display_mode_vba_20.o')

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