https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/ Issue: dev-util/cpputest-4.0 fails tests (hang). Discovered on: amd64 (internal ref: clang-lld_tinderbox) System: CLANG-LLD (https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#CLANG-LLD) Info about the issue: https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#CF0016
Created attachment 885392 [details] build.log build log and emerge --info
it seems this bug related with optimizations, 1. if build w/ CXXFLAGS="-O0", test finished 2. if apply following patch, test finished diff --git a/src/CppUTest/Utest.cpp b/src/CppUTest/Utest.cpp index d078bdf..2a741a6 100644 --- a/src/CppUTest/Utest.cpp +++ b/src/CppUTest/Utest.cpp @@ -172,6 +172,7 @@ void UtestShell::resetCrashMethod() void UtestShell::crash() { pleaseCrashMeRightNow(); + printf("\n-- after %s:%d %p %p\n", __FILE__, __LINE__, NULLPTR, pleaseCrashMeRightNow); } void UtestShell::runOneTest(TestPlugin* plugin, TestResult& result)
asm code not worked: 00000000000c3db0 <_ZN10UtestShell5crashEv>: c3db0: f3 0f 1e fa endbr64 c3db4: ff 25 4e 13 0e 00 jmp *0xe134e(%rip) # 1a5108 <_ZL21pleaseCrashMeRightNow> c3dba: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) asm code worked (with patch): 00000000000c3dd0 <_ZN10UtestShell5crashEv>: c3dd0: f3 0f 1e fa endbr64 c3dd4: 50 push %rax c3dd5: ff 15 2d 13 0e 00 call *0xe132d(%rip) # 1a5108 <_ZL21pleaseCrashMeRightNow> c3ddb: 4c 8b 0d 26 13 0e 00 mov 0xe1326(%rip),%r9 # 1a5108 <_ZL21pleaseCrashMeRightNow> c3de2: 48 8d 15 cc 5e 01 00 lea 0x15ecc(%rip),%rdx # d9cb5 <_IO_stdin_used+0x10cb5> c3de9: b9 af 00 00 00 mov $0xaf,%ecx c3dee: 45 31 c0 xor %r8d,%r8d c3df1: 31 c0 xor %eax,%eax c3df3: 41 5b pop %r11 c3df5: eb 09 jmp c3e00 <_ZL6printfPKcU25pass_dynamic_object_size1z> c3df7: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) c3dfe: 00 00 # c++filt _ZN10UtestShell5crashEv UtestShell::crash()
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=08bcbb8fa872ebfe830f17b8c89bdbaa01d1bc21 commit 08bcbb8fa872ebfe830f17b8c89bdbaa01d1bc21 Author: Z. Liu <zhixu.liu@gmail.com> AuthorDate: 2025-01-12 15:37:00 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2025-01-14 07:01:50 +0000 dev-util/cpputest: fix configure & test 1. fix unexpected errors during configuration, patch submitted to upstream at https://github.com/cpputest/cpputest/pull/1837 2. adopt patch from https://github.com/cpputest/cpputest/pull/1679, fix tests hangs w/ clang Closes: https://bugs.gentoo.org/879681 Closes: https://bugs.gentoo.org/924958 Signed-off-by: Z. Liu <zhixu.liu@gmail.com> Closes: https://github.com/gentoo/gentoo/pull/40105 Signed-off-by: Sam James <sam@gentoo.org> ...{cpputest-4.0.ebuild => cpputest-4.0-r1.ebuild} | 9 ++++- .../cpputest/files/cpputest-4.0-autoconf.patch | 46 ++++++++++++++++++++++ .../files/cpputest-4.0-replace-UB-by-abort.patch | 33 ++++++++++++++++ dev-util/cpputest/metadata.xml | 9 ++++- 4 files changed, 94 insertions(+), 3 deletions(-)
