From: Olga Kornievskaia <kolga@netapp.com>
To: <Trond.Myklebust@primarydata.com>, <anna.schumaker@netapp.com>
Cc: <linux-nfs@vger.kernel.org>
Subject: [PATCH v6 01/12] fs: Don't copy beyond the end of the file
Date: Tue, 24 Oct 2017 13:47:14 -0400 [thread overview]
Message-ID: <20171024174725.74870-2-kolga@netapp.com> (raw)
In-Reply-To: <20171024174725.74870-1-kolga@netapp.com>
From: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
fs/read_write.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/read_write.c b/fs/read_write.c
index f0d4b16..1bd53cb 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1563,6 +1563,9 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,
if (unlikely(ret))
return ret;
+ if (pos_in >= i_size_read(inode_in))
+ return -EINVAL;
+
if (!(file_in->f_mode & FMODE_READ) ||
!(file_out->f_mode & FMODE_WRITE) ||
(file_out->f_flags & O_APPEND))
--
1.8.3.1
next prev parent reply other threads:[~2017-10-24 17:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-24 17:47 [PATCH v6 00/12] NFS support for async intra COPY Olga Kornievskaia
2017-10-24 17:47 ` Olga Kornievskaia [this message]
2017-10-24 17:47 ` [PATCH v6 02/12] NFS CB_OFFLOAD xdr Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 03/12] NFS OFFLOAD_STATUS xdr Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 04/12] NFS OFFLOAD_STATUS op Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 05/12] NFS OFFLOAD_CANCEL xdr Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 06/12] NFS COPY xdr handle async reply Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 07/12] NFS add support for asynchronous COPY Olga Kornievskaia
2017-10-26 17:53 ` Anna Schumaker
2017-10-26 19:15 ` Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 08/12] NFS handle COPY reply CB_OFFLOAD call race Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 09/12] NFS export nfs4_async_handle_error Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 10/12] NFS send OFFLOAD_CANCEL when COPY killed Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 11/12] NFS handle COPY ERR_OFFLOAD_NO_REQS Olga Kornievskaia
2017-10-24 17:47 ` [PATCH v6 12/12] NFS add a simple sync nfs4_proc_commit after async COPY Olga Kornievskaia
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