Re: [PATCH] selftests/alsa/Makefile: fix relative rpath usage

[Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>]

On 8/8/24 08:57, Eugene Syromiatnikov wrote:
> The relative RPATH ("./") supplied to linker options in CFLAGS is resolved
> relative to current working directory and not the executable directory,
> which will lead in incorrect resolution when the test executables are run
> from elsewhere.  Changing it to $ORIGIN makes it resolve relative
> to the directory in which the executables reside, which is supposedly
> the desired behaviour.
>
> Discovered by the check-rpaths script[1][2] that checks for insecure
> RPATH/RUNPATH[3], such as relative directories, during an attempt
> to package BPF selftests for later use in CI:
>
>      ERROR   0004: file '/usr/libexec/kselftests/bpf/urandom_read' contains an insecure runpath '.' in [.]
>
> [1] https://github.com/rpm-software-management/rpm/blob/master/scripts/check-rpaths
> [2] https://github.com/rpm-software-management/rpm/blob/master/scripts/check-rpaths-worker
> [3] https://cwe.mitre.org/data/definitions/426.html
>
> Signed-off-by: Eugene Syromiatnikov <esyr@xxxxxxxxxx>
> ---
>   tools/testing/selftests/alsa/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile
> index c1ce39874e2b..0f204da9ea8e 100644
> --- a/tools/testing/selftests/alsa/Makefile
> +++ b/tools/testing/selftests/alsa/Makefile
> @@ -6,7 +6,7 @@ LDLIBS += $(shell pkg-config --libs alsa)
>   ifeq ($(LDLIBS),)
>   LDLIBS += -lasound
>   endif
> -CFLAGS += -L$(OUTPUT) -Wl,-rpath=./
> +CFLAGS += -L$(OUTPUT) -Wl,-rpath=\$$ORIGIN/
>   
>   LDLIBS+=-lpthread
>   

Wouldn't make sense to fix fix this in selftests main Makefile
instead of changing the all the test makefiles

Same comment on all other files. It would be easier to send
these as series - please mentioned the tests run as well
after this change.

thanks,
-- Shuah