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Re: [PATCH] Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
- From: Andreas Schwab <schwab at suse dot de>
- To: Romain Naour <romain dot naour at gmail dot com>
- Cc: "libc-alpha\@sourceware.org" <libc-alpha at sourceware dot org>
- Date: Mon, 06 Nov 2017 09:48:12 +0100
- Subject: Re: [PATCH] Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
- Authentication-results: sourceware.org; auth=none
- References: <mvmwp6em7uq.fsf@suse.de> <6bb32689-2c98-e683-4f4d-12734b151396@gmail.com>
On Nov 01 2017, Romain Naour <romain.naour@gmail.com> wrote:
> Hi All,
>
> Le 08/08/2017 à 16:50, Andreas Schwab a écrit :
>> Unlike the vfork forwarder and like the fork forwarder as in bug 19861,
>> there won't be a problem when the compiler does not turn this into a tail
>> call.
>>
>> Andreas.
>>
>> * nptl/pt-longjmp.c (longjmp, siglongjmp): Don't use IFUNC resolver.
>> * nptl/pt-system.c (system): Likewise.
>>
>
> What's the status of this issue ?
> This patch has been merged in master (upcoming 2.27) but the ticket is still
> "NEW" [1].
The bug is about moving a symbol between libraries, as such still
unresolved.
> It's safe to backport this patch to glibc 2.25 and 2.26 stable branches ?
You can try.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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