RFR: 8345016: [ASAN] java.c false positive ‘%s’ directive argument is null [-Werror=format-truncation=]

[Jaikiran Pai]

On Wed, 4 Dec 2024 15:42:33 GMT, SendaoYan <syan at openjdk.org> wrote:

>> Hello @sendaoYan, what exact version of `gcc` is this?
>
>> Hello @sendaoYan, what exact version of `gcc` is this?
> 
> Hi, the gcc version is gcc14.2.0
> 
> 
>> gcc -v
> Using built-in specs.
> COLLECT_GCC=gcc
> COLLECT_LTO_WRAPPER=/home/yansendao/software/gcc/gcc-14.2.0-binary/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.2.0/lto-wrapper
> Target: x86_64-pc-linux-gnu
> Configured with: configure --prefix=/home/yansendao/git/tone-matrix-compiler/csmith/gcc-14.2.0/../gcc-14.2.0-binary --disable-multilib --enable-languages=c,c++,objc,obj-c++,fortran,lto
> Thread model: posix
> Supported LTO compression algorithms: zlib
> gcc version 14.2.0 (GCC)

Hello @sendaoYan, can you add a bit more details to the JBS issue to explain what commands were used to configure and build the JDK that resulted in the build failure?

I gave this a try with gcc 14.2.1 on Linux x64:


bash configure --enable-asan
make clean images

The build succeeded without any errors. gcc that was used:


Tools summary:
...
* Toolchain:      gcc (GNU Compiler Collection)
* C Compiler:     Version 14.2.1 (at /usr/bin/gcc)
* C++ Compiler:   Version 14.2.1 (at /usr/bin/g++)

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PR Comment: https://git.openjdk.org/jdk/pull/22546#issuecomment-2540970788