[PATCH v1 0/2] proc: Relax check of mount visibility

From: Alexey Gladkov
Date: Mon Jul 27 2020 - 10:23:27 EST


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(-)

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2.25.4