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do_splice_to(): cap the size before passing to ->splice_read()
[cascardo/linux.git]
/
fs
/
splice.c
diff --git
a/fs/splice.c
b/fs/splice.c
index
9947b5c
..
a6b87b7
100644
(file)
--- a/
fs/splice.c
+++ b/
fs/splice.c
@@
-1143,6
+1143,9
@@
static long do_splice_to(struct file *in, loff_t *ppos,
if (unlikely(ret < 0))
return ret;
+ if (unlikely(len > MAX_RW_COUNT))
+ len = MAX_RW_COUNT;
+
if (in->f_op->splice_read)
splice_read = in->f_op->splice_read;
else