| Summary: | Build failure when configuring with UBSAN & LTO (using GCC) | ||
|---|---|---|---|
| Product: | [Developer tools] valgrind | Reporter: | fanquake |
| Component: | general | Assignee: | Julian Seward <jseward> |
| Status: | RESOLVED NOT A BUG | ||
| Severity: | normal | CC: | pjfloyd |
| Priority: | NOR | ||
| Version First Reported In: | 3.22 GIT | ||
| Target Milestone: | --- | ||
| Platform: | Ubuntu | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed/Implemented In: | ||
| Sentry Crash Report: | |||
Valgrind tools don't link with any libraries, which I think precludes using any sanitizers. I don't think that you'll see much benefit with LTO either. |
Building master @ 69ac8e03a2e22175337acf999f8c8814143ba08a, with gcc (Ubuntu 13.1.0-2ubuntu2~23.04) 13.1.0 on Ubuntu 23.04, and configuring with UBSAN & LTO currently fails to link: ./autogen.sh ./configure --enable-ubsan --enable-lto make <snip> make[3]: Entering directory '/home/ubuntu/valgrind/memcheck' ../coregrind/link_tool_exe_linux 0x58000000 gcc -o memcheck-amd64-linux -flto -flto-partition=one -fuse-linker-plugin -m64 -O2 -g -Wall -Wmissing-prototypes -Wshadow -Wpointer-arith -Wstrict-prototypes -Wmissing-declarations -Wcast-align -Wcast-qual -Wwrite-strings -Wempty-body -Wformat -Wformat-signedness -Wformat-security -Wignored-qualifiers -Wmissing-parameter-type -Wlogical-op -Wenum-conversion -Wimplicit-fallthrough=2 -Wold-style-declaration -finline-functions -fno-stack-protector -fsanitize=undefined -fno-sanitize=alignment -fno-strict-aliasing -fno-builtin -fomit-frame-pointer -O2 -static -nodefaultlibs -nostartfiles -u _start -m64 memcheck_amd64_linux-mc_leakcheck.o memcheck_amd64_linux-mc_malloc_wrappers.o memcheck_amd64_linux-mc_main.o memcheck_amd64_linux-mc_main_asm.o memcheck_amd64_linux-mc_translate.o memcheck_amd64_linux-mc_machine.o memcheck_amd64_linux-mc_errors.o ../coregrind/libcoregrind-amd64-linux.a ../VEX/libvex-amd64-linux.a -lgcc ../coregrind/libgcc-sup-amd64-linux.a <built-in>: warning: type of ‘__builtin___ubsan_handle_invalid_builtin’ does not match original declaration [-Wlto-type-mismatch] ../coregrind/m_compiler.c:311:6: note: type mismatch in parameter 1 311 | void __ubsan_handle_invalid_builtin ( void ) | ^ ../coregrind/m_compiler.c:311:6: note: ‘__ubsan_handle_invalid_builtin’ was previously declared here <built-in>: warning: type of ‘__builtin___ubsan_handle_divrem_overflow’ does not match original declaration [-Wlto-type-mismatch] ../coregrind/m_compiler.c:262:6: note: type mismatch in parameter 1 262 | void __ubsan_handle_divrem_overflow ( void ) | ^ <built-in>: warning: type of ‘__builtin___ubsan_handle_divrem_overflow’ does not match original declaration [-Wlto-type-mismatch] <snip> <built-in>: warning: type of ‘__builtin___ubsan_handle_shift_out_of_bounds’ does not match original declaration [-Wlto-type-mismatch] ../coregrind/m_compiler.c:290:6: note: type mismatch in parameter 1 <built-in>: warning: type of ‘__builtin___ubsan_handle_shift_out_of_bounds’ does not match original declaration [-Wlto-type-mismatch] ../coregrind/m_compiler.c:290:6: note: type mismatch in parameter 1 ../coregrind/m_compiler.c:290:6: note: ‘__ubsan_handle_shift_out_of_bounds’ was previously declared here /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `vgPlain_strtoll16': /home/ubuntu/valgrind/memcheck/../coregrind/m_libcbase.c:168: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `d_number': /home/ubuntu/valgrind/memcheck/../coregrind/m_demangle/cp-demangle.c:1844: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `vgPlain_strtoll10': /home/ubuntu/valgrind/memcheck/../coregrind/m_libcbase.c:108: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `vgPlain_debugLog': /home/ubuntu/valgrind/memcheck/../coregrind/m_debuglog.c:1295: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `vgModuleLocal_canonicaliseTables': /home/ubuntu/valgrind/memcheck/../coregrind/m_xarray.c:133: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o:/home/ubuntu/valgrind/memcheck/../coregrind/m_xarray.c:133: more undefined references to `__ubsan_handle_mul_overflow' follow /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `dis_Grp4.constprop.0': /home/ubuntu/valgrind/memcheck/../VEX/priv/guest_amd64_toIR.c:2278: undefined reference to `__ubsan_handle_builtin_unreachable' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `expr2vbits': /home/ubuntu/valgrind/memcheck/mc_translate.c:1814: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `do_shadow_PUTI': /home/ubuntu/valgrind/memcheck/mc_translate.c:1765: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o: in function `schemeS': /home/ubuntu/valgrind/memcheck/mc_translate.c:7435: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /home/ubuntu/valgrind/memcheck/mc_translate.c:7667: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /home/ubuntu/valgrind/memcheck/mc_translate.c:7737: undefined reference to `__ubsan_handle_mul_overflow' /usr/bin/ld: /tmp/cc66NgSf.ltrans0.ltrans.o:/home/ubuntu/valgrind/memcheck/mc_translate.c:7540: more undefined references to `__ubsan_handle_mul_overflow' follow collect2: error: ld returned 1 exit status make[3]: *** [Makefile:1135: memcheck-amd64-linux] Error 1 make[3]: Leaving directory '/home/ubuntu/valgrind/memcheck'