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-rw-r--r--fs/splice.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/splice.c b/fs/splice.c
index ed2ce995475..ef808227bc1 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);
}