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[Bug nptl/19861] libpthread IFUNC resolver for fork can lead to crash
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 08 Aug 2017 15:05:07 +0000
- Subject: [Bug nptl/19861] libpthread IFUNC resolver for fork can lead to crash
- Auto-submitted: auto-generated
- References: <bug-19861-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=19861
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc5ad7024c620cdfe9b76e94638aac83b99c5bf8
commit fc5ad7024c620cdfe9b76e94638aac83b99c5bf8
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 16:21:58 2017 +0200
Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
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.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
nptl/pt-longjmp.c | 31 ++++++++++---------------------
nptl/pt-system.c | 24 ++++++++----------------
3 files changed, 24 insertions(+), 37 deletions(-)
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