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From: Olga Kornievskaia <olga.kornievskaia@gmail.com>
To: trondmy@hammerspace.com, anna.schumaker@netapp.com
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v1 01/11] fs: Don't copy beyond the end of the file
Date: Fri, 19 Oct 2018 11:29:22 -0400	[thread overview]
Message-ID: <20181019152932.32462-2-olga.kornievskaia@gmail.com> (raw)
In-Reply-To: <20181019152932.32462-1-olga.kornievskaia@gmail.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 39b4a21..c60790f 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1570,6 +1570,9 @@ 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

  reply	other threads:[~2018-10-19 23:36 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-19 15:29 [PATCH v1 00/11] client-side support for "inter" SSC copy Olga Kornievskaia
2018-10-19 15:29 ` Olga Kornievskaia [this message]
2018-10-19 16:13   ` [PATCH v1 01/11] fs: Don't copy beyond the end of the file Trond Myklebust
2018-10-19 16:13     ` Trond Myklebust
2018-10-21 14:29   ` Jeff Layton
2018-10-22 18:32     ` Olga Kornievskaia
2018-10-22 23:23       ` Jeff Layton
2018-10-23 16:50         ` Olga Kornievskaia
2018-10-24 11:09           ` Jeff Layton
2018-10-24 15:59             ` Olga Kornievskaia
2018-10-24 18:53               ` Olga Kornievskaia
2018-10-24 19:21                 ` Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 02/11] VFS permit cross device vfs_copy_file_range Olga Kornievskaia
2018-10-19 16:14   ` Trond Myklebust
2018-10-19 16:14     ` Trond Myklebust
2018-10-19 16:26     ` Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 03/11] NFS test for intra vs inter COPY Olga Kornievskaia
2018-10-21 14:44   ` Jeff Layton
2018-10-22 17:48     ` Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 04/11] NFS NFSD defining nl4_servers structure needed by both Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 05/11] NFS add COPY_NOTIFY operation Olga Kornievskaia
2018-10-23 15:50   ` Schumaker, Anna
2018-10-24  1:16     ` Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 06/11] NFS add ca_source_server<> to COPY Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 07/11] NFS also send OFFLOAD_CANCEL to source server Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 08/11] NFS inter ssc open Olga Kornievskaia
2018-10-23 20:23   ` Schumaker, Anna
2018-10-24  1:16     ` Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 09/11] NFS skip recovery of copy open on dest server Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 10/11] NFS for "inter" copy treat ESTALE as ENOTSUPP Olga Kornievskaia
2018-10-19 15:29 ` [PATCH v1 11/11] NFS COPY handle ERR_OFFLOAD_DENIED Olga Kornievskaia
2018-10-19 15:30 [PATCH v1 01/11] fs: Don't copy beyond the end of the file Olga Kornievskaia

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