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linux-user qemu-x86_64 can't exec a binary on aarch64 or Loongarch.
Description of problem:
on master branch, we build an simply hello.c with x86_cross gcc.
then. run './build/qemu-x86_64 hello', no output.
Steps to reproduce:
1. build an hello.c with x86_64 cross. use --static.
2. build qemu-x86_64 on aarch64 or LoongArch host.
3. run './build/qemu-x86_64 hello'
Additional information:
[strace.txt](/uploads/5362e0e9b04ad9a582470faf4a9fcedb/strace.txt)
[hello](/uploads/12d9277fa4e853286414f575010a37ac/hello)
The following commit causes this problem．
commit 86f04735ac2088d5c069c3d1712212ec7428c562
Author: Helge Deller <deller@gmx.de>
Date: Sun Dec 25 09:23:19 2022 +0100
linux-user: Fix brk() to release pages
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