svn commit: r290499 - head/usr.bin/localedef
Baptiste Daroussin
bapt at FreeBSD.org
Sat Nov 7 19:58:00 UTC 2015
On Sat, Nov 07, 2015 at 05:56:36PM +0100, Baptiste Daroussin wrote:
> On Sat, Nov 07, 2015 at 07:49:42PM +0300, Andrey Chernov wrote:
> > On 07.11.2015 19:22, Baptiste Daroussin wrote:
> > > Author: bapt
> > > Date: Sat Nov 7 16:22:29 2015
> > > New Revision: 290499
> > > URL: https://svnweb.freebsd.org/changeset/base/290499
> > >
> > > Log:
> > > Workaround an issue on i386 to unbreak the build until the real issue is tracked
> > > down
> > > - large = calloc(sizeof (collate_large_t) * n, 1);
> > > + large = malloc(sizeof (collate_large_t) * n);
> > > + memset(large, 0, sizeof (collate_large_t) * n);
> >
> > Should be calloc(n, sizeof (collate_large_t)) according to calloc usage
> > and to prevent size_t overflow. Is it calloc() bug?
>
> I have tried all combinaison with calloc before committing the workaround, all
> fails the same way on i386:
> <jemalloc>: jemalloc_arena.c:353: Failed assertion: "p[i] == 0"
>
> So yes I'm thinking about a calloc bug (Jason CCed)
>
> FYI sizeof(collate_large_t) is 44 there and n is 1145
>
> Best regards,
> Bapt
Issue found by dim@ using the Address Sanitizer
Guilty was me through a bug I introduced during conversion from avl(3) to
tree(3).
Best regards,
Bapt
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