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authorCarlos O'Donell <carlos@redhat.com>2021-03-12 16:44:47 +0100
committerFlorian Weimer <fweimer@redhat.com>2021-03-12 16:44:47 +0100
commit332421312576bd7095e70589154af99b124dd2d1 (patch)
tree4f0559bb9643eca402ce049253bf069bfcb1ead6 /elf/Makefile
parent08a0ebb20e06df224d1f98bb45dc00874f2f4549 (diff)
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elf: Always set l in _dl_init_paths (bug 23462)
After d1d5471579eb0426671bf94f2d71e61dfb204c30 ("Remove dead DL_DST_REQ_STATIC code.") we always setup the link map l to make the static and shared cases the same. The bug is that in elf/dl-load.c (_dl_init_paths) we conditionally set l only in the #ifdef SHARED case, but unconditionally use it later. The simple solution is to remove the #ifdef SHARED conditional, because it's no longer needed, and unconditionally setup l for both the static and shared cases. A regression test is added to run a static binary with LD_LIBRARY_PATH='$ORIGIN' which crashes before the fix and runs after the fix. Co-Authored-By: Florian Weimer <fweimer@redhat.com>
Diffstat (limited to 'elf/Makefile')
-rw-r--r--elf/Makefile5
1 files changed, 4 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile
index b06bf6ca20..4c9e63dac9 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -164,7 +164,8 @@ tests-static-normal := tst-leaks1-static tst-array1-static tst-array5-static \
tst-dl-iter-static \
tst-tlsalign-static tst-tlsalign-extern-static \
tst-linkall-static tst-env-setuid tst-env-setuid-tunables \
- tst-single_threaded-static tst-single_threaded-pthread-static
+ tst-single_threaded-static tst-single_threaded-pthread-static \
+ tst-dst-static
tests-static-internal := tst-tls1-static tst-tls2-static \
tst-ptrguard1-static tst-stackguard1-static \
@@ -1904,3 +1905,5 @@ $(objpfx)list-tunables.out: tst-rtld-list-tunables.sh $(objpfx)ld.so
cmp tst-rtld-list-tunables.exp \
$(objpfx)/tst-rtld-list-tunables.out > $@; \
$(evaluate-test)
+
+tst-dst-static-ENV = LD_LIBRARY_PATH='$$ORIGIN'