diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-16 16:02:41 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-16 16:02:41 +0100 |
| commit | 60f7110e36ff7858182e8990a2d19fa3df7e05f5 (patch) | |
| tree | 179c2a9f8fe654694d40536a506345db80705436 /kernel/fork.c | |
| parent | 9659293c1784f3d9df2235f6ebf92f6f9059a563 (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
Merge tag 'v3.9-rc7' into regmap-cache
Linux 3.9-rc7
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 8d932b1c905..1766d324d5e 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1141,6 +1141,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS)) return ERR_PTR(-EINVAL); + if ((clone_flags & (CLONE_NEWUSER|CLONE_FS)) == (CLONE_NEWUSER|CLONE_FS)) + return ERR_PTR(-EINVAL); + /* * Thread groups must share signals as well, and detached threads * can only be started up within the thread group. @@ -1807,7 +1810,7 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) * If unsharing a user namespace must also unshare the thread. */ if (unshare_flags & CLONE_NEWUSER) - unshare_flags |= CLONE_THREAD; + unshare_flags |= CLONE_THREAD | CLONE_FS; /* * If unsharing a pid namespace must also unshare the thread. */ |