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authorCarlos O'Donell <carlos@redhat.com>2024-01-10 10:46:03 -0500
committerCarlos O'Donell <carlos@redhat.com>2024-01-10 14:08:26 -0500
commit94aa256a47253d2202240c8696cbe824a969d3cc (patch)
tree59084d6d8754330e7eae67b69b8838e0d07d633f
parenta09b2aacd9a23969aa3d768a22fe491e1ee98cf3 (diff)
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elf: Fix tst-nodeps2 test failure.
After 78ca44da0160a0b442f0ca1f253e3360f044b2ec
("elf: Relocate libc.so early during startup and dlmopen (bug 31083)")
we start seeing tst-nodeps2 failures when building the testsuite with
--enable-hard-coded-path-in-tests.

When building the testsuite with --enable-hard-coded-path-in-tests
the tst-nodeps2-mod.so is not built with the required DT_RUNPATH
values and the test escapes the test framework and loads the system
libraries and aborts. The fix is to use the existing
$(link-test-modules-rpath-link) variable to set DT_RUNPATH correctly.

No regressions on x86_64.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
-rw-r--r--elf/Makefile5
1 files changed, 4 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile
index 600812e573..5d78b659ce 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -3022,6 +3022,8 @@ $(objpfx)tst-env-setuid: $(objpfx)tst-sonamemove-runmod2.so
 $(objpfx)tst-env-setuid-static.out: $(objpfx)tst-sonamemove-runmod1.so
 
 # The object tst-nodeps1-mod.so has no explicit dependencies on libc.so.
+# We do not use $(link-test-modules-rpath-link) since the object has no
+# DT_NEEDED.
 $(objpfx)tst-nodeps1-mod.so: $(objpfx)tst-nodeps1-mod.os
 	$(LINK.o) -nostartfiles -nostdlib -shared -o $@ $^
 tst-nodeps1.so-no-z-defs = yes
@@ -3032,7 +3034,8 @@ $(objpfx)tst-nodeps1: $(objpfx)tst-nodeps1-mod.so
 # with the IFUNC resolver reference.
 $(objpfx)tst-nodeps2-mod.so: $(common-objpfx)libc.so \
   $(objpfx)tst-nodeps1-mod.so $(objpfx)tst-nodeps2-mod.os
-	$(LINK.o) -Wl,--no-as-needed -nostartfiles -nostdlib -shared -o $@ $^
+	$(LINK.o) -Wl,--no-as-needed -nostartfiles -nostdlib -shared -o $@ $^ \
+	$(link-test-modules-rpath-link)
 $(objpfx)tst-nodeps2.out: \
   $(objpfx)tst-nodeps1-mod.so $(objpfx)tst-nodeps2-mod.so