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| author | Jens Axboe <jaxboe@fusionio.com> | 2010-06-03 12:45:28 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-06-03 12:45:28 +0200 |
| commit | 419f8367ea37e5adc5d95479e8fd5554b92b49fe (patch) | |
| tree | 37ed8fbd17e48fa82410a6c1a42ea8e0df2c26ae | |
| parent | 6a6ca57de92fcae34603551ac944aa74758c30d4 (diff) | |
| download | linux-419f8367ea37e5adc5d95479e8fd5554b92b49fe.tar.gz linux-419f8367ea37e5adc5d95479e8fd5554b92b49fe.tar.bz2 linux-419f8367ea37e5adc5d95479e8fd5554b92b49fe.zip | |
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>
| -rw-r--r-- | fs/pipe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/pipe.c b/fs/pipe.c index 369a0245aab6..f98fae3e36b0 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -1178,7 +1178,7 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) 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) { |