id = 2531
title = "QEMU internal SIGSEGV when creating an x86_64 Debian chroot from an aarch64 host."
state = "closed"
created_at = "2024-08-22T20:23:04.155Z"
closed_at = "2024-10-07T16:11:20.811Z"
labels = ["host: arm", "linux-user", "target: i386", "workflow::Needs Info"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/2531"
host-os = "Ubuntu 24.04 LTS (Running in WSL2 on Windows 11)"
host-arch = "aarch64"
qemu-version = "qemu-x86_64 version 8.2.2 (Debian 1:8.2.2+ds-0ubuntu1)"
guest-os = "Debian 12"
guest-arch = "x86_64"
description = """When I try to create a x86_64 Debian chroot using debootstrap from an aarch64 host system, QEMU segfaults causing the process to fail."""
reproduce = """1. Run `sudo apt install debootstrap qemu-user-static binfmt-support`
2. Run `sudo debootstrap --arch amd64 bookworm debian_chroot http://deb.debian.org/debian/`"""
additional = """End of deboostrap output:
```
I: Configuring dash...
I: Configuring libpam-modules:amd64...
I: Configuring grep...
I: Configuring perl-base...
I: Configuring gzip...
I: Configuring passwd...
I: Configuring login...
I: Configuring apt...
I: Configuring adduser...
I: Configuring libc-bin...
W: Failure while configuring required packages.
W: See /home/allen/debian_chroot/debootstrap/debootstrap.log for details (possibly the package passwd is at fault)
```

End of debootstrap log:
```
$ tail /home/allen/debian_chroot/debootstrap/debootstrap.log -n30
Setting up grep (3.8-5) ...
Setting up perl-base (5.36.0-7+deb12u1) ...
Setting up gzip (1.12-1) ...
Setting up passwd (1:4.13+dfsg1-1+b1) ...
x86_64-binfmt-P: QEMU internal SIGSEGV {code=MAPERR, addr=0x20}
Segmentation fault
groupadd: group 'shadow' already exists
Group ID 42 has been allocated for the shadow group.  You have either
used 42 yourself or created a shadow group with a different ID.
Please correct this problem and reconfigure with dpkg --configure passwd''.

Note that both user and group IDs in the range 0-99 are globally
allocated by the Debian project and must be the same on every Debian
system.
dpkg: error processing package passwd (--configure):
 installed passwd package post-installation script subprocess returned error exit status 1
Setting up libpam-runtime (1.5.2-6+deb12u1) ...
Setting up login (1:4.13+dfsg1-1+b1) ...
dpkg: apt: dependency problems, but configuring anyway as you requested:
 apt depends on adduser.

Setting up apt (2.6.1) ...
dpkg: adduser: dependency problems, but configuring anyway as you requested:
 adduser depends on passwd; however:
  Package passwd is not configured yet.

Setting up adduser (3.134) ...
Processing triggers for libc-bin (2.36-9+deb12u7) ...
Errors were encountered while processing:
 passwd
```

Full debootstrap log:
[debootstrap.log](/uploads/4eb24abd98a647e08bd03deea897b9dd/debootstrap.log)"""