[Bug 1522675] Re: Needless scary warning: Can't drop privileges for downloading : _apt user not allowed

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 1.4~beta3

---------------
apt (1.4~beta3) unstable; urgency=medium

  [ Lukasz Kawczynski ]
  * Honour Acquire::ForceIPv4/6 in the https transport

  [ David Kalnischkies ]
  * reword "Can't drop priv" warning message (Closes: #813786) (LP: #1522675)
  * let {dsc,tar,diff}-only implicitly enable download-only
  * remove needless fork() in apt-get source
  * default to --no-check for dpkg-source call (Closes: 724744)
  * warn if clearsigned file has ignored content parts
  * ensure generation of valid EDSP error stanzas
  * add --indep-only for build-dep command (Closes: #845775)
  * allow default build-essentials to be overridden
  * expand -f to --fix-broken in error messages.
    Thanks to Kristian Glass for initial patch! (Closes: #709092)
  * separating state variables regarding server/request (Closes: #440057)
  * fix minimum pkgs option for dpkg --recursive usage
  * allow warning generation for non-whitelisted options

  [ Oriol Debian ]
  * Catalan program translation update (Closes: #846514)

  [ Frans Spiesschaert ]
  * Dutch manpages translation update (Closes: #849235)

  [ Niels Thykier ]
  * ParseDepends: Support passing the desired architecture (Closes: #845969)

 -- Julian Andres Klode <jak at debian.org>  Thu, 05 Jan 2017 20:50:01
+0100

** Changed in: apt (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1522675

Title:
  Needless scary warning: Can't drop privileges for downloading : _apt
  user not allowed

Status in apt package in Ubuntu:
  Fix Released
Status in dpkg package in Ubuntu:
  Confirmed
Status in apt package in Debian:
  Fix Released
Status in synaptic package in Debian:
  New

Bug description:
  Recently we got new versions for synaptic 0.82+build1 & apt 1.1.3, but
  now get that error when installing/upgrading some packages:

  Setting up libc6-dbg:amd64 (2.21-0ubuntu5) ...
  Processing triggers for libc-bin (2.21-0ubuntu5) ...
  W: Can't drop privileges for downloading as file '/root/.synaptic/tmp//tmp_cl' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)

  From nautilus, i'm seeing a /root/ folder locked (x on its icon) and
  the folder is empty (no /.synaptic/ sub-folder or file), so the above
  error.

  oem at u64:~$ ls -l .synaptic
  total 4
  -rw-rw-r-- 1 oem oem   0 Aug 25 11:19 options
  -rw-rw-r-- 1 oem oem 236 Aug 25 11:19 synaptic.conf

  oem at u64:~$ ls -l /var/lib/apt/lists/
  ....
  -rw-r----- 1 root root        0 Sep 20 06:36 lock
  drwx------ 2 _apt root    16384 Sep 24 15:25 partial
  ......

  oem at u64:~$ sudo ls -l /var/lib/update-notifier/package-data-downloads/
  .....
  drwxr-xr-x 2 _apt root 4096 Sep 22 23:33 partial

  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: synaptic 0.82+build1
  ProcVersionSignature: Ubuntu 4.3.0-1.10-generic 4.3.0
  Uname: Linux 4.3.0-1-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.2-0ubuntu8
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Fri Dec  4 05:23:25 2015
  SourcePackage: synaptic
  UpgradeStatus: No upgrade log present (probably fresh install)

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