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Re: [bug-gnu-libiconv] Undefined Behavior sanitizer findings
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From: |
Bruno Haible |
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Subject: |
Re: [bug-gnu-libiconv] Undefined Behavior sanitizer findings |
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Date: |
Thu, 07 Mar 2019 20:32:58 +0100 |
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User-agent: |
KMail/5.1.3 (Linux/4.4.0-141-generic; KDE/5.18.0; x86_64; ; ) |
Hi,
Jeffrey Walton wrote:
> I built the latest iConv release tarball with -fsanitize=undefined and
> then ran the self tests with 'make check'. It produced a few findings:
>
> ...
> ./check-stateless . CP874
> ./check-stateless . VISCII
> viscii.h:127:56: runtime error: left shift of 1 by 31 places cannot be
> represented in type 'int'
> ./check-stateless . TCVN
> tcvn.h:220:56: runtime error: left shift of 1 by 31 places cannot be
> represented in type 'int'
> ./check-stateful . TCVN
> ...
Thanks for the report. Should be fixed through this commit:
https://git.savannah.gnu.org/gitweb/?p=libiconv.git;a=commitdiff;h=bb4f73bbf0dd946e0730554140908a4522db0ac9
Bruno