Bug#996661: clang-13: -static -fsanitize=undefined causes seg fault of a.out

[Sylvestre Ledru]

forwarded 996661 https://bugs.llvm.org/show_bug.cgi?id=52196
thanks

Le 17/10/2021 à 02:08, Ryutaroh Matsumoto a écrit :
> Package: clang-13
> Version: 1:13.0.0-5
> Severity: normal
>
> Dear Maintainer,
>
> -static -fsanitize=undefined causes unusable a.out as below:
> $ clang-13 -static -fsanitize=undefined hello.c 
> $ ./a.out 
> Segmentation fault
>
> On the other hand, gcc-11 produces a usable a.out:
> $ gcc-11 -static -fsanitize=undefined hello.c 
> $ ./a.out 
> hello world!
>
> Best regards, Ryutaroh Matsumoto
>
>
> -- System Information:
> Debian Release: bookworm/sid
>   APT prefers testing
>   APT policy: (990, 'testing'), (500, 'stable-updates'), (500, 'stable-security'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
> Architecture: arm64 (aarch64)
>
> Kernel: Linux 5.14.12-clang13 (SMP w/4 CPU threads; PREEMPT)
> Kernel taint flags: TAINT_CRAP
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
>
> Versions of packages clang-13 depends on:
> ii  binutils                2.37-7
> ii  libc6                   2.32-4
> ii  libc6-dev               2.32-4
> ii  libclang-common-13-dev  1:13.0.0-5
> ii  libclang-cpp13          1:13.0.0-5
> ii  libclang1-13            1:13.0.0-5
> ii  libgcc-11-dev           11.2.0-9
> ii  libgcc-s1               11.2.0-9
> ii  libllvm13               1:13.0.0-5
> ii  libobjc-11-dev          11.2.0-9
> ii  libstdc++-11-dev        11.2.0-9
> ii  libstdc++6              11.2.0-9
>
> Versions of packages clang-13 recommends:
> ii  llvm-13-dev  1:13.0.0-5
> ii  python3      3.9.2-3
>
> Versions of packages clang-13 suggests:
> pn  clang-13-doc  <none>
>
> -- no debconf information
>
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