[petsc-dev] Building libCEED with -fsanitize=address

[Matthew Knepley]

On Tue, Jun 13, 2023 at 9:18 AM Jeremy Luke Thompson <
Jeremy.Thompson at colorado.edu> wrote:

> It's probably easier to trace that sort of thing when building libCEED on
> its own, but it looks like ASAN is complaining about `char
> *source_path_with_name = "";`
>
> Seems like an easy change I can do this morning.
>

It is a warning. The fatal error was a link without the ASAN flag, but
somehow this is swallowed. Jacob found it.

  Thanks,

     Matt


> On Tuesday, June 13, 2023, Matthew Knepley <knepley at gmail.com> wrote:
> > For some reason, libCEED seems broken with Address Sanitizer
> >
> *********************************************************************************************
> >            UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for
> details):
> >
> ---------------------------------------------------------------------------------------------
> >   Error running make on libceed: Could not execute
> "[['/PETSc3/petsc/apple/bin/make',
> >   '-j13', '-l24.0',
> 'prefix=/PETSc3/petsc/petsc-pylith/arch-pylith-debug', 'V=1',
> >   'CC=/PETSc3/petsc/apple/bin/mpicc', 'CFLAGS= -fPIC -Wall
> -Wwrite-strings
> >   -Wno-unknown-pragmas -fstack-protector -fno-stack-check
> -Qunused-arguments
> >   -fvisibility=hidden -fsanitize=address ',
> 'CXX=/PETSc3/petsc/apple/bin/mpicxx',
> >   'CXXFLAGS= -Wall -Wwrite-strings -Wno-strict-aliasing
> -Wno-unknown-pragmas
> >   -fstack-protector -fno-stack-check -fvisibility=hidden
> -fsanitize=address  -std=gnu++17
> >   -fPIC ', '-B']]":
> >
> >   make: 'lib' with optional backends: /cpu/self/memcheck/serial
> /cpu/self/memcheck/blocked
> >   /PETSc3/petsc/apple/bin/mpicc -I./include -fPIC -Wall -Wwrite-strings
> >   -Wno-unknown-pragmas -fstack-protector -fno-stack-check
> -Qunused-arguments
> >   -fvisibility=hidden -f
> >   .... more output .....
> >   mcheck/ceed-memcheck-qfunction.o
> build/backends/memcheck/ceed-memcheck-qfunctioncontext.o
> >   build/backends/memcheck/ceed-memcheck-serial.o
> >   build/backends/memcheck/ceed-memcheck-vector.o
> build/backends/ceed-backend-weak.o
> >   build/gallery/ceed-gallery-weak.o
> >
> -lm/PETSc3/petsc/petsc-pylith/arch-pylith-debug/externalpackages/git.libceed/interface/ceed-preconditioning.c:44:9:
> >   warning: initializing 'char *' with an expression of type 'const char
> [1]' discards
> >   qualifiers [-Wincompatible-pointer-types-discards-qualifier
> >   .... more error .....
> >   ceed-operator.o
> >   _asan.module_ctor in ceed-preconditioning.o
> >   ...
> >   ld: symbol(s) not found for architecture x86_64
> >   clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
> >   make: *** [Makefile:517: lib/libceed.dylib] Error 1
> >
> > Does anyone else see this?
> >
> >   Thanks,
> >      Matt
> >
> > --
> > What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> > -- Norbert Wiener
> > https://www.cse.buffalo.edu/~knepley/
> >



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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