[HLFS Trac] #1643: uClibc apps segfault with -fstack-protector-all

[HLFS Trac]

#1643: uClibc apps segfault with -fstack-protector-all
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 Reporter:  robert at linuxfromscratch.org  |       Owner:  robert at linuxfromscratch.org
     Type:  defect                       |      Status:  new                        
 Priority:  highest                      |   Milestone:  future                     
Component:  HLFS Book                    |     Version:  SVN                        
 Severity:  blocker                      |    Keywords:                             
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 After uClibc is installed in chapter 5, and a new GCC is linked to it in
 Cocoon (gcc-pass2), and a new program (conftest.c) is compiled with
 -fstack-protector-all the new program always does a segfault.

 Curiously, Embryo's GCC can link a program to uClibc and compile it with
 -fstack-protector-all (after editing the specs to not use -lssp), and it's
 fine.

 If Cocoon is built with -fno-stack-protector and then installed, new apps
 will still segfault.

 This may be a bug in how Cocoon-toolchain builds itself, or a bug with
 uClibc-snapshot.

 I can think of two debugging strategies that I haven't tried... build
 Cocoon with Binutils-pass2 installed first, and/or build uClibc with -g3,
 and debugging options enabled, and work from there.

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Ticket URL: <http://wiki.linuxfromscratch.org/hlfs/ticket/1643>
HLFS Trac <http://wiki.linuxfromscratch.org/hlfs>
Hardened Linux From Scratch