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Message-ID: <CAFj3ykddo8asH9udkxmybeKzeAP2Xt1QDHjZOOHafTitdU2sgg@mail.gmail.com>
Date: Fri, 12 Jan 2024 17:10:24 -0600
From: Cody Wetzel <codyawetzel@...il.com>
To: Cody Wetzel <codyawetzel@...il.com>, Natanael Copa <ncopa@...inelinux.org>,
musl@...ts.openwall.com, Markus Wichmann <nullplan@....net>
Subject: Re: Segmentation fault musl 1.2.4
I did actually find that stackoverflow post and tried spinning up a new
container but the results don't provide any useful information...
/ # /tmp/ld-musl-armhf.so.1 /usr/bin/gdb --args ls -l /tmp
> GNU gdb (GDB) 12.1
> Copyright (C) 2022 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <
> http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
> Type "show copying" and "show warranty" for details.
> This GDB was configured as "armv7-alpine-linux-musleabihf".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <https://www.gnu.org/software/gdb/bugs/>.
> Find the GDB manual and other documentation resources online at:
> <http://www.gnu.org/software/gdb/documentation/>.
>
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from ls...
> (No debugging symbols found in ls)
> (gdb) run
> Starting program: /bin/ls -l /tmp
> During startup program terminated with signal SIGSEGV, Segmentation fault.
>
On Fri, Jan 12, 2024 at 12:57 PM Szabolcs Nagy <nsz@...t70.net> wrote:
> * Cody Wetzel <codyawetzel@...il.com> [2024-01-11 12:19:16 -0600]:
> > Sorry, I'm definitely not that well versed in linux. I received the
> > following...
> >
> > / # /tmp/ld-musl-armhf.so.1 /usr/bin/gdb --args ls -l /tmp
> > > GNU gdb (GDB) 12.1
> > > Copyright (C) 2022 Free Software Foundation, Inc.
> > > License GPLv3+: GNU GPL version 3 or later <
> > > http://gnu.org/licenses/gpl.html>
> > > This is free software: you are free to change and redistribute it.
> > > There is NO WARRANTY, to the extent permitted by law.
> > > Type "show copying" and "show warranty" for details.
> > > This GDB was configured as "armv7-alpine-linux-musleabihf".
> > > Type "show configuration" for configuration details.
> > > For bug reporting instructions, please see:
> > > <https://www.gnu.org/software/gdb/bugs/>.
> > > Find the GDB manual and other documentation resources online at:
> > > <http://www.gnu.org/software/gdb/documentation/>.
> > >
> > > For help, type "help".
> > > Type "apropos word" to search for commands related to "word"...
> > > Reading symbols from ls...
> > > (No debugging symbols found in ls)
> > > (gdb) run
> > > Starting program: /bin/ls -l /tmp
> > > warning: Error disabling address space randomization: Operation not
> > > permitted
> > > warning: Could not trace the inferior process.
> > > warning: ptrace: Operation not permitted
> > > warning: Error restoring address space randomization: Operation not
> > > permitted
> > > During startup program exited with code 127.
>
> use a container that's not restricted e.g.
>
> docker run --cap-add=SYS_PTRACE --security-opt seccomp=unconfined
>
> (i found this with 2min web search)
>
--
Cody Wetzel
codyawetzel@...il.com
(402)490-9242
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