pipe: change the privilege required for growing a pipe beyond system max
Change it to CAP_SYS_RESOURCE, as that more accurately models what
we want to control.
Suggested-by: Michael Kerrisk <mtk.manpages@googlemail.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/fs/pipe.c b/fs/pipe.c
index 369a024..f98fae3 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1178,7 +1178,7 @@
nr_pages = (arg + PAGE_SIZE - 1) >> PAGE_SHIFT;
nr_pages = roundup_pow_of_two(nr_pages);
- if (!capable(CAP_SYS_ADMIN) && nr_pages > pipe_max_pages) {
+ if (!capable(CAP_SYS_RESOURCE) && nr_pages > pipe_max_pages) {
ret = -EPERM;
goto out;
} else if (nr_pages < 1) {