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Re: [PATCH 0/5] linux-user: brk/mmap fixes


From: Helge Deller
Subject: Re: [PATCH 0/5] linux-user: brk/mmap fixes
Date: Wed, 2 Aug 2023 12:37:25 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0

On 8/2/23 09:26, Akihiko Odaki wrote:
On 2023/08/01 19:43, Helge Deller wrote:
On 8/1/23 06:49, Joel Stanley wrote:
On Mon, 31 Jul 2023 at 18:24, Helge Deller <deller@gmx.de> wrote:
As suggested, I've based my patches on top of yours and the tree can be
pulled from:
git pull https://github.com/hdeller/qemu-hppa/   brk-fixes-akihiko-2

My patches are neccessary to fix an arm-static testcase:
         /usr/bin/qemu-arm-static ./fstype

Let's try this patch series...

The armhf static binary works with expected output.

Good!

The arm static binary causes qemu to segfault:

I can't reproduce here.
I tried it in an arm64 chroot which provided the cross-compiler and worked for 
me:

(arm64-chroot)root@p100:/# uname -a
Linux p100 6.4.6-200.fc38.x86_64 #1 SMP PREEMPT_DYNAMIC Mon Jul 24 20:51:12 UTC 
2023 aarch64 GNU/Linux
(arm64-chroot)root@p100:/# arm-linux-gnueabi-gcc-13 -o hello hello.c -static
(arm64-chroot)root@p100:/# file hello
hello: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), statically 
linked, BuildID[sha1]=fa0f7cd6e1779fa8cd76c6e5d3123900ceefa952, for GNU/Linux 
3.2.0, not stripped
(arm64-chroot)root@p100:/# ./hello
Hello, World!

Maybe you can send me your binary (and the needed klibc*so)?

Binaries will certainly help. I also suggest adding -trace target_mmap so that 
we can see what's passed to target_mmap().

I also sent a new version so please rebase to it and try again.
20230802071754.14876-1-akihiko.odaki@daynix.com/">https://patchew.org/QEMU/20230802071754.14876-1-akihiko.odaki@daynix.com/

Helge, please rebase your series to the series, include only your patches in 
your series, and add the following to the cover letter:

Will do. I sent them out bundled for convinience.

Helge

Based-on: <20230802071754.14876-1-akihiko.odaki@daynix.com>
("[PATCH v2 0/6] linux-user: brk/mmap fixes")




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