Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

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Pull userns fix from Eric Biederman:
 "This contains just a single small patch that fixes a tiny hole in the
  logic of allowing unprivileged mounting of proc and sysfs.

  In practice I don't think anyone is affected because having MNT_RDONLY
  clear in mnt->mnt_flags but MS_RDONLY set in sb->s_flags is very weird
  for a filesystem, and weirder for proc and sysfs.  However if it
  happens let's handle it correctly and then no one has to to worry
  about this crazy case"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  mnt: Account for MS_RDONLY in fs_fully_visible

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Linus Torvalds 2016-06-22 14:11:24 -07:00

parent 144b5ae3e3 695e9df010

commit f9020d1741

1 changed files with 4 additions and 0 deletions

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fs/namespace.c

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