diff options
Diffstat (limited to 'kernel/umh.c')
| -rw-r--r-- | kernel/umh.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/umh.c b/kernel/umh.c index 52a9084f8541..16653319c8ce 100644 --- a/kernel/umh.c +++ b/kernel/umh.c @@ -13,6 +13,7 @@ #include <linux/cred.h> #include <linux/file.h> #include <linux/fdtable.h> +#include <linux/fs_struct.h> #include <linux/workqueue.h> #include <linux/security.h> #include <linux/mount.h> @@ -73,6 +74,14 @@ static int call_usermodehelper_exec_async(void *data) spin_unlock_irq(¤t->sighand->siglock); /* + * Initial kernel threads share ther FS with init, in order to + * get the init root directory. But we've now created a new + * thread that is going to execve a user process and has its own + * 'struct fs_struct'. Reset umask to the default. + */ + current->fs->umask = 0022; + + /* * Our parent (unbound workqueue) runs with elevated scheduling * priority. Avoid propagating that into the userspace child. */ |