Message ID | 87ttk51e69.fsf@oldenburg.str.redhat.com |
---|---|
State | New |
Headers | show |
Series | Revert "x86_64: Suppress false positive valgrind error" | expand |
On Sat, Apr 13, 2024 at 8:21 AM Florian Weimer <fweimer@redhat.com> wrote: > > This reverts commit a1735e0aa858f0c8b15e5ee9975bff4279423680. > > The test failure is a real valgrind bug that needs to be fixed before > valgrind is usable with a glibc that has been built with > CC="gcc -march=x86-64-v3". The proposed valgrind patch teaches > valgrind to replace ld.so strcmp with an unoptimized scalar > implementation, thus avoiding any AVX2-related problems. > > Valgrind bug: <https://bugs.kde.org/show_bug.cgi?id=485487> > > --- > elf/Makefile | 3 +-- > elf/tst-valgrind-smoke.sh | 5 ++--- > sysdeps/x86_64/Makefile | 7 ------- > sysdeps/x86_64/tst-valgrind-smoke.supp | 17 ----------------- > 4 files changed, 3 insertions(+), 29 deletions(-) > > diff --git a/elf/Makefile b/elf/Makefile > index 6dad11bcfb..fb3c3c4dff 100644 > --- a/elf/Makefile > +++ b/elf/Makefile > @@ -618,8 +618,7 @@ tests-special += $(objpfx)tst-valgrind-smoke.out > endif > $(objpfx)tst-valgrind-smoke.out: tst-valgrind-smoke.sh $(objpfx)ld.so $(objpfx)valgrind-test > $(SHELL) $< $(objpfx)ld.so $(rtlddir)/$(rtld-installed-name) '$(test-wrapper-env)' \ > - '$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test \ > - '$(valgrind-suppressions-tst-valgrind-smoke)' > $@; $(evaluate-test) > + '$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test > $@; $(evaluate-test) > > ifeq ($(run-built-tests),yes) > tests-special += $(objpfx)tst-rtld-does-not-exist.out > diff --git a/elf/tst-valgrind-smoke.sh b/elf/tst-valgrind-smoke.sh > index 7d0ceac6b1..e33b2fa1d7 100644 > --- a/elf/tst-valgrind-smoke.sh > +++ b/elf/tst-valgrind-smoke.sh > @@ -25,7 +25,6 @@ test_wrapper_env="$3" > run_program_env="$4" > library_path="$5" > test_prog="$6" > -valgrind_suppressions="$7" > > # Test whether valgrind is available in the test > # environment. If not, skip the test. > @@ -35,7 +34,7 @@ ${test_wrapper_env} ${run_program_env} \ > # Test valgrind works with the system ld.so in the test environment > /bin/sh -c \ > "${test_wrapper_env} ${run_program_env} \ > - valgrind -q --error-exitcode=1 ${valgrind_suppressions} \ > + valgrind -q --error-exitcode=1 \ > ${system_rtld} /bin/echo ${system_rtld}" || exit 77 > > # Finally the actual test inside the test environment, > @@ -43,5 +42,5 @@ ${test_wrapper_env} ${run_program_env} \ > # the smoke test under valgrind. > /bin/sh -c \ > "${test_wrapper_env} ${run_program_env} \ > - valgrind -q --error-exitcode=1 ${valgrind_suppressions} \ > + valgrind -q --error-exitcode=1 \ > ${rtld} --library-path ${library_path} ${test_prog} ${rtld}" > diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile > index 39048b12e0..ce949dba27 100644 > --- a/sysdeps/x86_64/Makefile > +++ b/sysdeps/x86_64/Makefile > @@ -211,14 +211,7 @@ tst-plt-rewrite2-ENV = GLIBC_TUNABLES=glibc.cpu.plt_rewrite=2 > $(objpfx)tst-plt-rewrite2: $(objpfx)tst-plt-rewritemod2.so > endif > > -# Check if ISA level is 3 or above. > -ifneq (,$(filter $(have-x86-isa-level),$(x86-isa-level-3-or-above))) > -valgrind-suppressions-tst-valgrind-smoke = \ > - --suppressions=$(..)sysdeps/x86_64/tst-valgrind-smoke.supp > -endif > - > test-internal-extras += tst-gnu2-tls2mod1 > - > endif # $(subdir) == elf > > ifeq ($(subdir),csu) > diff --git a/sysdeps/x86_64/tst-valgrind-smoke.supp b/sysdeps/x86_64/tst-valgrind-smoke.supp > deleted file mode 100644 > index 533c2deaff..0000000000 > --- a/sysdeps/x86_64/tst-valgrind-smoke.supp > +++ /dev/null > @@ -1,17 +0,0 @@ > -{ > - False positive at strcmp-avx2.S:462 > - Memcheck:Cond > - fun:strcmp > - fun:_dl_name_match_p > - fun:_dl_map_object > - fun:map_doit > - fun:_dl_catch_exception > - fun:_dl_catch_error > - fun:do_preload > - fun:handle_preload_list > - fun:dl_main > - fun:_dl_sysdep_start > - fun:_dl_start_final > - fun:_dl_start > - obj:*/elf/ld.so > -} > > base-commit: ae7468a7b0bcf22e9cd5fcae42bb9e4f65de83ee > LGTM. Reviewed-by: H.J. Lu <hjl.tools@gmail.com> Thanks.
diff --git a/elf/Makefile b/elf/Makefile index 6dad11bcfb..fb3c3c4dff 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -618,8 +618,7 @@ tests-special += $(objpfx)tst-valgrind-smoke.out endif $(objpfx)tst-valgrind-smoke.out: tst-valgrind-smoke.sh $(objpfx)ld.so $(objpfx)valgrind-test $(SHELL) $< $(objpfx)ld.so $(rtlddir)/$(rtld-installed-name) '$(test-wrapper-env)' \ - '$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test \ - '$(valgrind-suppressions-tst-valgrind-smoke)' > $@; $(evaluate-test) + '$(run-program-env)' '$(rpath-link)' $(objpfx)valgrind-test > $@; $(evaluate-test) ifeq ($(run-built-tests),yes) tests-special += $(objpfx)tst-rtld-does-not-exist.out diff --git a/elf/tst-valgrind-smoke.sh b/elf/tst-valgrind-smoke.sh index 7d0ceac6b1..e33b2fa1d7 100644 --- a/elf/tst-valgrind-smoke.sh +++ b/elf/tst-valgrind-smoke.sh @@ -25,7 +25,6 @@ test_wrapper_env="$3" run_program_env="$4" library_path="$5" test_prog="$6" -valgrind_suppressions="$7" # Test whether valgrind is available in the test # environment. If not, skip the test. @@ -35,7 +34,7 @@ ${test_wrapper_env} ${run_program_env} \ # Test valgrind works with the system ld.so in the test environment /bin/sh -c \ "${test_wrapper_env} ${run_program_env} \ - valgrind -q --error-exitcode=1 ${valgrind_suppressions} \ + valgrind -q --error-exitcode=1 \ ${system_rtld} /bin/echo ${system_rtld}" || exit 77 # Finally the actual test inside the test environment, @@ -43,5 +42,5 @@ ${test_wrapper_env} ${run_program_env} \ # the smoke test under valgrind. /bin/sh -c \ "${test_wrapper_env} ${run_program_env} \ - valgrind -q --error-exitcode=1 ${valgrind_suppressions} \ + valgrind -q --error-exitcode=1 \ ${rtld} --library-path ${library_path} ${test_prog} ${rtld}" diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile index 39048b12e0..ce949dba27 100644 --- a/sysdeps/x86_64/Makefile +++ b/sysdeps/x86_64/Makefile @@ -211,14 +211,7 @@ tst-plt-rewrite2-ENV = GLIBC_TUNABLES=glibc.cpu.plt_rewrite=2 $(objpfx)tst-plt-rewrite2: $(objpfx)tst-plt-rewritemod2.so endif -# Check if ISA level is 3 or above. -ifneq (,$(filter $(have-x86-isa-level),$(x86-isa-level-3-or-above))) -valgrind-suppressions-tst-valgrind-smoke = \ - --suppressions=$(..)sysdeps/x86_64/tst-valgrind-smoke.supp -endif - test-internal-extras += tst-gnu2-tls2mod1 - endif # $(subdir) == elf ifeq ($(subdir),csu) diff --git a/sysdeps/x86_64/tst-valgrind-smoke.supp b/sysdeps/x86_64/tst-valgrind-smoke.supp deleted file mode 100644 index 533c2deaff..0000000000 --- a/sysdeps/x86_64/tst-valgrind-smoke.supp +++ /dev/null @@ -1,17 +0,0 @@ -{ - False positive at strcmp-avx2.S:462 - Memcheck:Cond - fun:strcmp - fun:_dl_name_match_p - fun:_dl_map_object - fun:map_doit - fun:_dl_catch_exception - fun:_dl_catch_error - fun:do_preload - fun:handle_preload_list - fun:dl_main - fun:_dl_sysdep_start - fun:_dl_start_final - fun:_dl_start - obj:*/elf/ld.so -}