Re: [PATCH v2 2/6] KVM: selftests: Add a test to verify SEV {en,de}crypt

[Sean Christopherson <seanjc@google.com>]

On Thu, May 21, 2026, kernel test robot wrote:
> 
> 
> Hello,
> 
> kernel test robot noticed "kernel-selftests.kvm.make.fail" on:
> 
> commit: f6ed3165a8ced57973a0919d0ead11eaff393477 ("[PATCH v2 2/6] KVM: selftests: Add a test to verify SEV {en,de}crypt")

Ah, this is a local commit, from applying the patch.  I fixed up the semantic
conflict when applying, i.e. I did NOT botch 6edd35e77a42 ("KVM: selftests: Add a
test to verify SEV {en,de}crypt debug ioctls"). :-)

> url: https://github.com/intel-lab-lkp/linux/commits/Sean-Christopherson/KVM-SVM-Fix-page-overflow-in-sev_dbg_crypt-for-ENCRYPT-path/20260502-190513
> patch link: https://lore.kernel.org/all/20260501203537.2120074-3-seanjc@google.com/
> patch subject: [PATCH v2 2/6] KVM: selftests: Add a test to verify SEV {en,de}crypt
> 
> in testcase: kernel-selftests
> version: kernel-selftests-x86_64-917719c412c4-1_20260508
> with following parameters:
> 
> 	group: kvm
> 
> 
> config: x86_64-rhel-9.4-kselftests
> compiler: gcc-14
> test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) with 32G memory
> 
> (please refer to attached dmesg/kmsg for entire log/backtrace)
> 
> 
> 
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202605210807.f147e0c4-lkp@intel.com
> 
> 
> gcc -D_GNU_SOURCE= -I/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/../../../tools/testing/selftests  -I/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/cgroup/lib/include -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 -Wno-gnu-variable-sized-type-not-at-end -MD -MP -DCONFIG_64BIT -U_FORTIFY_SOURCE -fno-builtin-memcmp -fno-builtin-memcpy -fno-builtin-memset -fno-builtin-strnlen -fno-stack-protector -fno-PIE -fno-strict-aliasing -I/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/../../../tools/include -I/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/../../../tools/arch/x86/include -I/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/../../../usr/include/ -Iinclude -I. -Iinclude/x86 -I ../rseq -I..  -isystem /usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/usr/include -march=x86-64-v2   -c dirty_log_perf_test.c -o /usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/kvm/dirty_log_perf_test.o
> x86/sev_dbg_test.c: In function ‘test_sev_dbg’:
> x86/sev_dbg_test.c:85:33: error: implicit declaration of function ‘vm_vaddr_alloc’ [-Wimplicit-function-declaration]
>    85 |         data = addr_gva2hva(vm, vm_vaddr_alloc(vm, BUFFER_SIZE, KVM_UTIL_MIN_VADDR));
>       |                                 ^~~~~~~~~~~~~~
> At top level:
> cc1: note: unrecognized command-line option ‘-Wno-gnu-variable-sized-type-not-at-end’ may have been intended to silence earlier diagnostics
> make[1]: *** [Makefile.kvm:329: /usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/kvm/x86/sev_dbg_test.o] Error 1
> make[1]: *** Waiting for unfinished jobs....
> make[1]: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-f6ed3165a8ced57973a0919d0ead11eaff393477/tools/testing/selftests/kvm'
> make: *** [Makefile:217: all] Error 2
> 
> 
> 
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20260521/202605210807.f147e0c4-lkp@intel.com
> 
> 
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>