diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/splice.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/splice.c b/fs/splice.c index ed2ce99..ef80822 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -28,6 +28,7 @@ #include <linux/module.h> #include <linux/syscalls.h> #include <linux/uio.h> +#include <linux/security.h> /* * Attempt to steal a page from a pipe buffer. This should perhaps go into @@ -961,6 +962,10 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out, if (unlikely(ret < 0)) return ret; + ret = security_file_permission(out, MAY_WRITE); + if (unlikely(ret < 0)) + return ret; + return out->f_op->splice_write(pipe, out, ppos, len, flags); } @@ -983,6 +988,10 @@ static long do_splice_to(struct file *in, loff_t *ppos, if (unlikely(ret < 0)) return ret; + ret = security_file_permission(in, MAY_READ); + if (unlikely(ret < 0)) + return ret; + return in->f_op->splice_read(in, ppos, pipe, len, flags); } |