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Postings from June 2019
On Mon, Jun 17, 2019 at 02:49:43PM +0300, Niko Tyni wrote:
> On Mon, Jun 17, 2019 at 09:47:04AM +0300, Niko Tyni wrote:
>
> > I can reproduce it on 5.30.0. It seems to be related to version strings
> > and LC_NUMERIC. I reduced it to this:
> >
> > $ LC_NUMERIC=C.UTF-8 ./perl -l -Ilib -e 'require 5.006;'
>
> And further to this. It's not clear to me if this is a problem with asan
> or the code.
>
> $ cat t.c; clang -g -fsanitize=address t.c; ./a.out
> #include <locale.h>
> int main(void) {
> char *l;
> setlocale(LC_NUMERIC, "C.UTF-8");
> l = setlocale(LC_NUMERIC, NULL);
> setlocale(LC_NUMERIC, "C");
> setlocale(LC_NUMERIC, l);
> }
Presumably the intervening setlocale() call clobbers the buffer
that l points to.
The attached patch to vutil.c seems to fix this issue for me,
but eyeballs appreciated of course.
--
Niko
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