[Bug gas/17754] Buffer overflow detected in MinGW gas

[yselkowi at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17754

--- Comment #4 from Yaakov Selkowitz <yselkowi at redhat dot com> ---
(In reply to Alan Modra from comment #1)
> Technically there is a buffer overrun here, but there are no fields
> following x_fname and x_file is not the largest element of union
> internal_auxent.  Nor is internal_auxent allocated according to which field
> is in use.  So the overrun is harmless, except of course when it triggers
> code to detect overruns.
> 
> 2.24 has exactly the same problem, and I think, all pe targets..  I expect
> you're compiling with different compilers or options in cases where you
> don't trigger the error.

Here are the logs from the successful build of 2.24 (including patches for the
recent CVEs):

https://kojipkgs.fedoraproject.org//packages/mingw-binutils/2.24/5.el6/data/logs/x86_64/build.log
https://kojipkgs.fedoraproject.org//packages/mingw-binutils/2.24/5.el6/data/logs/x86_64/root.log

And the logs for a scratch build of 2.25 (note the test failures):

https://kojipkgs.fedoraproject.org//work/tasks/8296/8498296/build.log
https://kojipkgs.fedoraproject.org//work/tasks/8296/8498296/root.log

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