diff options
Diffstat (limited to 'fs/aio.c')
-rw-r--r-- | fs/aio.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -1659,6 +1659,9 @@ long do_io_submit(aio_context_t ctx_id, long nr, | |||
1659 | if (unlikely(nr < 0)) | 1659 | if (unlikely(nr < 0)) |
1660 | return -EINVAL; | 1660 | return -EINVAL; |
1661 | 1661 | ||
1662 | if (unlikely(nr > LONG_MAX/sizeof(*iocbpp))) | ||
1663 | nr = LONG_MAX/sizeof(*iocbpp); | ||
1664 | |||
1662 | if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(*iocbpp))))) | 1665 | if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(*iocbpp))))) |
1663 | return -EFAULT; | 1666 | return -EFAULT; |
1664 | 1667 | ||