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authorDavid S. Miller <davem@davemloft.net>2013-03-20 17:46:26 +0100
committerDavid S. Miller <davem@davemloft.net>2013-03-20 17:46:26 +0100
commit61816596d1c9026d0ecb20c44f90452c41596ffe (patch)
tree3027ed6dc62f71e14b9d525405747fa0eb8f074d /kernel/fork.c
parentnet: fix psock_fanout selftest hash collision (diff)
parentnet: fec: Define indexes as 'unsigned int' (diff)
downloadlinux-61816596d1c9026d0ecb20c44f90452c41596ffe.tar.xz
linux-61816596d1c9026d0ecb20c44f90452c41596ffe.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull in the 'net' tree to get Daniel Borkmann's flow dissector infrastructure change. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 8d932b1c9056..1766d324d5e3 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.
*/