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Groups > linux.debian.bugs.dist > #734605

Bug#822679: Attempts to mount /proc as a regular user

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Package: libselinux1
Version: 2.5-1
Severity: normal

I discovered after updating today libselinux1 that at every exec, each program
attempts to mount /proc, even if already mounted.

I'm looking at #789218, and still wonder... is it actually the job of
libselinux to mount filesystems?

My guess is that *no* user program should attempt to mount filesystems, EVER.
Moreso if the program in question has no rights to do so (ie, it's not root).

We attempt to mount /proc just to check /proc/filesystems?
Am I reading this right?

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (900, 'unstable'), (800, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.5.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libselinux1 depends on:
ii  libc6     2.22-7
ii  libpcre3  2:8.38-3.1

libselinux1 recommends no packages.

libselinux1 suggests no packages.

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Bug#822679: Attempts to mount /proc as a regular user Yuri D'Elia <wavexx@thregr.org> - 2016-04-26 16:00 +0200
  Bug#822679: closed by Laurent Bigonville <bigon@debian.org> (Bug#822679: fixed in libselinux 2.5-2) Yuri D'Elia <wavexx@thregr.org> - 2016-05-01 14:10 +0200
    Bug#822679: [DSE-Dev] Bug#822679: closed by Laurent Bigonville <bigon@debian.org> (Bug#822679: fixed in libselinux 2.5-2) Laurent Bigonville <bigon@debian.org> - 2016-05-01 20:30 +0200
      Bug#822679: [DSE-Dev] Bug#822679: closed by Laurent Bigonville <bigon@debian.org> (Bug#822679: fixed in libselinux 2.5-2) Yuri D'Elia <wavexx@thregr.org> - 2016-05-01 21:10 +0200
        Bug#822679: [DSE-Dev] Bug#822679: closed by Laurent Bigonville <bigon@debian.org> (Bug#822679: fixed in libselinux 2.5-2) Laurent Bigonville <bigon@debian.org> - 2016-05-01 22:30 +0200

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