Date: Thu, 15 Sep 2011 16:06:28 +0400 From: Sergey Kandaurov <pluknet@freebsd.org> To: Konstantin Belousov <kib@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r225582 - head/libexec/rtld-elf Message-ID: <CAE-mSOJjO%2BgoLEX-eL9qrcStC-Whi-F=JF0-1zFtDqMRCmLLEQ@mail.gmail.com> In-Reply-To: <201109151150.p8FBo99f072220@svn.freebsd.org> References: <201109151150.p8FBo99f072220@svn.freebsd.org>
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On 15 September 2011 15:50, Konstantin Belousov <kib@freebsd.org> wrote: > Author: kib > Date: Thu Sep 15 11:50:09 2011 > New Revision: 225582 > URL: http://svn.freebsd.org/changeset/base/225582 > > Log: > Use the proper dynamic tls block to calculate the tls variable address > in case tls data generation was updated. > > PR: misc/160721 > Submitted by: "Thinker K.F. Li" <thinker codemud net> > Tested by: flo > Approved by: re (bz) > MFC after: 1 week > > Modified: > head/libexec/rtld-elf/rtld.c > > Modified: head/libexec/rtld-elf/rtld.c > ============================================================================== > --- head/libexec/rtld-elf/rtld.c Thu Sep 15 11:17:07 2011 (r225581) > +++ head/libexec/rtld-elf/rtld.c Thu Sep 15 11:50:09 2011 (r225582) > @@ -3370,7 +3370,7 @@ tls_get_addr_common(Elf_Addr** dtvp, int > newdtv[1] = tls_max_index; > free(dtv); > lock_release(rtld_bind_lock, &lockstate); > - *dtvp = newdtv; > + dtv = *dtvp = newdtv; > } > > /* Dynamically allocate module TLS if necessary */ > Thanks, this patch fixes immediate /usr/bin/top SIGSEGV used with nss-pam-ldap auth when built with -O2. Tested and patched on 8.1-R. -- wbr, pluknethelp
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