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Re: isupper() core dump: also, gdb core dump
Am 21.07.2025 um 23:13 schrieb Thomas Klausner:
> Hi!
>
> I've tried packaging Guitar (see wip/Guitar). But when I run it, it
> fails with
>
> ctype(3) isupper: invalid input: -61
>
> I tried running it in gdb, but then gdb hangs or dumps core too.
>
> I looked at all isupper() uses in the Guitar tarball itself, but they
> look fine, so I suspect one of the used libraries is unsafe or gets
> passed invalid data, but I'm not sure how to investigate it further.
>
> Does gdb work on this for anyone else?
> Or can someone please fix gdb? :-)
I filed https://sourceware.org/bugzilla/show_bug.cgi?id=33217 for GDB.
Roland
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