[RFC 0/2] Fix permission checks on open("/proc/self/fd/N", O_RDWR)

From: Andy Lutomirski
Date: Mon Apr 21 2014 - 12:23:11 EST


This is a prototype of a real fix for a longstanding issue. See patch 2
for the full descripton.

Andy Lutomirski (2):
fs,proc: Pass nameidata to proc_get_link implementations
fs,proc: Respect FMODE_WRITE when opening /proc/pid/fd/N

fs/namei.c | 3 +++
fs/proc/base.c | 13 ++++++++-----
fs/proc/fd.c | 22 ++++++++++++++++++----
fs/proc/internal.h | 3 ++-
include/linux/namei.h | 1 +
5 files changed, 32 insertions(+), 10 deletions(-)

--
1.9.0

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