From: <andros@netapp.com>
To: <trondmy.myklebust@primarydata.com>
Cc: <anna.schumaker@netapp.com>, <bfields@fieldses.org>,
<linux-nfs@vger.kernel.org>,
Anna Schumaker <Anna.Schumaker@netapp.com>
Subject: [PATCH Version-2 01/12] fs: Don't copy beyond the end of the file
Date: Fri, 19 Aug 2016 13:25:01 -0400 [thread overview]
Message-ID: <1471627512-4102-2-git-send-email-andros@netapp.com> (raw)
In-Reply-To: <1471627512-4102-1-git-send-email-andros@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 66215a7..1cbab4e 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1497,6 +1497,9 @@ 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:[~2016-08-19 17:25 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-19 17:25 [PATCH Version-2 00/12] NFSv4.2 inter server to server copy andros
2016-08-19 17:25 ` andros [this message]
2016-08-20 6:19 ` [PATCH Version-2 01/12] fs: Don't copy beyond the end of the file Christoph Hellwig
2016-08-19 17:25 ` [PATCH Version-2 02/12] NFSD: Implement the COPY call andros
2016-08-19 17:25 ` [PATCH Version-2 03/12] VFS permit cross device vfs_copy_file_range andros
2016-08-19 21:08 ` J. Bruce Fields
2016-08-20 6:18 ` Christoph Hellwig
2016-08-22 19:27 ` J. Bruce Fields
2016-08-24 18:38 ` Adamson, Andy
2016-08-19 17:25 ` [PATCH Version-2 04/12] NFS inter ssc open andros
2016-08-19 21:11 ` J. Bruce Fields
2016-08-19 17:25 ` [PATCH Version-2 05/12] NFS add COPY_NOTIFY operation andros
2016-08-19 17:25 ` [PATCH Version-2 06/12] NFS add ca_source_server<> to COPY andros
2016-08-19 17:25 ` [PATCH Version-2 07/12] NFSD " andros
2016-08-19 17:25 ` [PATCH Version-2 08/12] NFSD add COPY_NOTIFY operation andros
2016-08-19 17:25 ` [PATCH Version-2 09/12] NFSD generalize nfsd4_compound_state flag names andros
2016-08-19 17:25 ` [PATCH Version-2 10/12] NFSD: allow inter server COPY to have a STALE source server fh andros
2016-08-19 17:25 ` [PATCH Version-2 11/12] NFSD add nfs4 inter ssc to nfsd4_copy andros
2016-08-19 17:25 ` [PATCH Version-2 12/12] NFSD: extra stateid checking in read for interserver copy andros
2016-08-19 21:26 ` [PATCH Version-2 00/12] NFSv4.2 inter server to server copy J. Bruce Fields
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