Bug#923747: linux-image-amd64: Request to enable CONFIG_USER_NS=y in kernel config

From	Nikolas Nyby <nikolas@gnu.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#923747: linux-image-amd64: Request to enable CONFIG_USER_NS=y in kernel config
Date	2019-03-05 00:30 +0100
Message-ID	<xy5bX-7Pz-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: linux-image-amd64
Version: 4.19+102
Severity: normal

Dear Maintainer,

   * What led up to the situation?

When I start Brave browser (https://brave.com) in Debian buster/testing,
I get an error that my kernel isn't configured correctly:

    $ brave-browser 
    [8918:8918:0304/181514.182194:FATAL:zygote_host_impl_linux.cc(116)] No usable sandbox! Update your kernel or see https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md for more information on developing with the SUID sandbox. If you want to live dangerously and need an immediate workaround, you can try using --no-sandbox.
    Trace/breakpoint trap

This is resolved by adding CONFIG_USER_NS=y to the kernel configuration.


-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-2-amd64 (SMP w/2 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-amd64 depends on:
ii  linux-image-4.19.0-2-amd64  4.19.16-1

linux-image-amd64 recommends no packages.

linux-image-amd64 suggests no packages.

-- no debconf information

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Bug#923747: linux-image-amd64: Request to enable CONFIG_USER_NS=y in kernel config Nikolas Nyby <nikolas@gnu.org> - 2019-03-05 00:30 +0100
  Bug#923747: marked as done (linux-image-amd64: Request to enable  CONFIG_USER_NS=y in kernel config) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-03-07 23:40 +0100

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