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Date: Thu, 04 Sep 2014 15:07:57 +0800
From: Рысь <lynx@...server.ru>
To: musl@...ts.openwall.com
Subject: libc.so segfaults on mips
Hi list!
Not a really blocking bug but I was wondering why cross compiled musl libc.so for embedded wrt system is segfaults with this:
% ./strace ./libc.so
execve("./libc.so", ["./libc.so"], [/* 10 vars */]) = 0
--- {si_signo=SIGSEGV, si_code=SI_USER, si_errno=EPERM, si_addr=0x4} (Segmentation fault) ---
+++ killed by SIGSEGV +++
Segmentation fault
A strange segfault with EPERM.
The target is mips2 bigendian router, specifically it is ar9331 SoC.
This is how file reports on libc.so: ELF 32-bit MSB shared object, MIPS, MIPS-I version 1 (SYSV), dynamically linked, not stripped
Such a trouble I had once when system enforced mmap_min_addr, however there it has default value.
The toolchain is somewhat old: gcc 4.2.1, binutils 2.17.50.0.17 but confirmed working and stable.
Musl is 1.1.4.
What else can cause this?
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