Re: [linus:master] [selftests/harness] 8092162335: kernel-selftests.sgx.make.fail

From: Kees Cook
Date: Wed May 01 2024 - 16:33:18 EST


On Tue, Apr 30, 2024 at 11:02:36AM +0800, kernel test robot wrote:
> version: kernel-selftests-x86_64-c7864053-1_20240419
> [...]
> compiler: gcc-13
> 2024-04-29 15:02:59 make -j16 -C sgx
> [...]
> gcc -Wall -Werror -static-pie -nostdlib -ffreestanding -fPIE -fno-stack-protector -mrdrnd -I/usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-8092162335554c8ef5e7f50eff68aa9cfbdbf865/tools/testing/selftests/../../../tools/include test_encl.c test_encl_bootstrap.S -o /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-8092162335554c8ef5e7f50eff68aa9cfbdbf865/tools/testing/selftests/sgx/test_encl.elf -Wl,-T,test_encl.lds,--build-id=none
> /usr/bin/ld: warning: /tmp/lkp/cct4g3SV.o: missing .note.GNU-stack section implies executable stack
> /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
> In file included from main.c:21:
> ../kselftest_harness.h: In function ‘__run_test’:
> ../kselftest_harness.h:1166:13: error: implicit declaration of function ‘asprintf’; did you mean ‘vsprintf’? [-Werror=implicit-function-declaration]
> 1166 | if (asprintf(&test_name, "%s%s%s.%s", f->name,
> | ^~~~~~~~
> | vsprintf
> cc1: all warnings being treated as errors

What environment is this being built in? "asprintf" should be available
via stdio.h, and "kselftest_harness.h" includes that (and _GNU_SOURCE).

--
Kees Cook