Date: Sun, 17 May 2015 15:06:16 +0200 From: Felix Janda <felix.janda@...teo.de> To: musl@...ts.openwall.com Subject: Re: ppc soft-float regression Waldemar Brodkorb wrote: > Hi, > > as mentioned the days on IRC. > 1.1.9 produces a lot of segfaults on Qemu-PPC with Soft-Float. > 1.1.8 was fine. > > Execute Qemu as this: > qemu-system-ppc -nographic -M bamboo -device e1000,netdev=adk0 \ > -netdev user,id=adk0 -kernel qemu-ppc-initramfs-kernel > -initrd qemu-ppc-musl-initramfs > > wbx@...om:~/musl-ppc $ qemu-system-ppc --version > QEMU emulator version 2.3.0, Copyright (c) 2003-2008 Fabrice Bellard > > The system stopps at boot. strg-d to continue the boot with > /etc/init.d/rcS. > > Strace is available in /usr/sbin/strace. > > Get the kernels and initramfs from here: > http://openadk.org/musl-ppc/ > > Any ideas? I can reproduce with your binaries, but not with self-built ones. Your binaries seem to have an executable stack: STACK off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**4 filesz 0x00000000 memsz 0x00000000 flags rwx Make sure that your binaries are compiled with -msecure-plt and -Wl,--secure-plt. (The musl gcc patches should enable these options automatically.) Felix
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