diff mbox series

selftests/bpf/Makefile: fix relative rpath usage

Message ID 20240809004115.GA23612@asgard.redhat.com
State New
Headers show
Series selftests/bpf/Makefile: fix relative rpath usage | expand

Commit Message

Eugene Syromiatnikov Aug. 9, 2024, 12:41 a.m. UTC
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 executable is run
from elsewhere.  Changing it to $ORIGIN makes it resolve relative
to the directory in which the executable resides, 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@redhat.com>
---
 tools/testing/selftests/bpf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index dd49c1d23a60..6a3dc9b99159 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -241,7 +241,7 @@  $(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_r
 		     $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
 		     -lurandom_read $(filter-out -static,$(LDLIBS)) -L$(OUTPUT) \
 		     -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
-		     -Wl,-rpath=. -o $@
+		     -Wl,-rpath=\$$ORIGIN/ -o $@
 
 $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
 	$(call msg,SIGN-FILE,,$@)