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* [PATCH v1 0/2] proc: Relax check of mount visibility
@ 2020-07-27 14:14 Alexey Gladkov
  2020-07-27 14:14 ` [PATCH v1 1/2] " Alexey Gladkov
  2020-07-27 14:14 ` [PATCH v1 2/2] Show /proc/self/net only for CAP_NET_ADMIN Alexey Gladkov
  0 siblings, 2 replies; 10+ messages in thread
From: Alexey Gladkov @ 2020-07-27 14:14 UTC (permalink / raw)
  To: LKML
  Cc: Linux FS Devel, Alexander Viro, Alexey Gladkov,
	Eric W . Biederman, Kees Cook

If only the dynamic part of procfs is mounted (subset=pid), then there is no
need to check if procfs is fully visible to the user in the new user namespace.

Alexey Gladkov (2):
  proc: Relax check of mount visibility
  Show /proc/self/net only for CAP_NET_ADMIN

 fs/namespace.c     | 27 ++++++++++++++++-----------
 fs/proc/proc_net.c |  6 ++++++
 fs/proc/root.c     | 16 +++++++++-------
 include/linux/fs.h |  1 +
 4 files changed, 32 insertions(+), 18 deletions(-)

-- 
2.25.4


^ permalink raw reply	[flat|nested] 10+ messages in thread
* [PATCH v2 0/2] proc: Relax check of mount visibility
@ 2020-08-19 19:14 Alexey Gladkov
  2020-08-19 19:14 ` [PATCH v2 2/2] Show /proc/self/net only for CAP_NET_ADMIN Alexey Gladkov
  0 siblings, 1 reply; 10+ messages in thread
From: Alexey Gladkov @ 2020-08-19 19:14 UTC (permalink / raw)
  To: LKML, Linux FS Devel, Eric W . Biederman
  Cc: Alexey Gladkov, Alexander Viro, Kees Cook

If only the dynamic part of procfs is mounted (subset=pid), then there is no
need to check if procfs is fully visible to the user in the new user namespace.

Alexey Gladkov (2):
  proc: Relax check of mount visibility
  Show /proc/self/net only for CAP_NET_ADMIN

 fs/namespace.c          | 27 ++++++++++++++++-----------
 fs/proc/proc_net.c      |  8 ++++++++
 fs/proc/root.c          | 21 +++++++++++++++------
 include/linux/fs.h      |  1 +
 include/linux/proc_fs.h |  1 +
 5 files changed, 41 insertions(+), 17 deletions(-)

-- 
2.25.4


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2020-08-19 23:28 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-27 14:14 [PATCH v1 0/2] proc: Relax check of mount visibility Alexey Gladkov
2020-07-27 14:14 ` [PATCH v1 1/2] " Alexey Gladkov
2020-07-27 14:14 ` [PATCH v1 2/2] Show /proc/self/net only for CAP_NET_ADMIN Alexey Gladkov
2020-07-27 16:29   ` Eric W. Biederman
2020-07-28 13:54     ` Alexey Gladkov
2020-07-31 16:10     ` [PATCH v2 " Alexey Gladkov
2020-08-19 19:14 [PATCH v2 0/2] proc: Relax check of mount visibility Alexey Gladkov
2020-08-19 19:14 ` [PATCH v2 2/2] Show /proc/self/net only for CAP_NET_ADMIN Alexey Gladkov
2020-08-19 21:27   ` kernel test robot
2020-08-19 21:59   ` kernel test robot
2020-08-19 23:27   ` kernel test robot

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