From: Jan Kara <jack@suse.cz>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com,
linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com,
Jan Kara <jack@suse.cz>, Ben Myers <bpm@sgi.com>,
stable@vger.kernel.org
Subject: [PATCH 2/4] xfs: Fix possible use-after-free with AIO
Date: Wed, 30 Jan 2013 00:27:59 +0100 [thread overview]
Message-ID: <1359502081-20240-3-git-send-email-jack@suse.cz> (raw)
In-Reply-To: <1359502081-20240-1-git-send-email-jack@suse.cz>
Running AIO is pinning inode in memory using file reference. Once AIO
is completed using aio_complete(), file reference is put and inode can
be freed from memory. So we have to be sure that calling aio_complete()
is the last thing we do with the inode.
CC: xfs@oss.sgi.com
CC: Ben Myers <bpm@sgi.com>
CC: stable@vger.kernel.org
Reviewed-by: Ben Myers <bpm@sgi.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/xfs/xfs_aops.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 4111a40..5f707e5 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -86,11 +86,11 @@ xfs_destroy_ioend(
}
if (ioend->io_iocb) {
+ inode_dio_done(ioend->io_inode);
if (ioend->io_isasync) {
aio_complete(ioend->io_iocb, ioend->io_error ?
ioend->io_error : ioend->io_result, 0);
}
- inode_dio_done(ioend->io_inode);
}
mempool_free(ioend, xfs_ioend_pool);
--
1.7.1
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kara <jack@suse.cz>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Jan Kara <jack@suse.cz>,
stable@vger.kernel.org, xfs@oss.sgi.com, Ben Myers <bpm@sgi.com>,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
ocfs2-devel@oss.oracle.com
Subject: [PATCH 2/4] xfs: Fix possible use-after-free with AIO
Date: Wed, 30 Jan 2013 00:27:59 +0100 [thread overview]
Message-ID: <1359502081-20240-3-git-send-email-jack@suse.cz> (raw)
In-Reply-To: <1359502081-20240-1-git-send-email-jack@suse.cz>
Running AIO is pinning inode in memory using file reference. Once AIO
is completed using aio_complete(), file reference is put and inode can
be freed from memory. So we have to be sure that calling aio_complete()
is the last thing we do with the inode.
CC: xfs@oss.sgi.com
CC: Ben Myers <bpm@sgi.com>
CC: stable@vger.kernel.org
Reviewed-by: Ben Myers <bpm@sgi.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/xfs/xfs_aops.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 4111a40..5f707e5 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -86,11 +86,11 @@ xfs_destroy_ioend(
}
if (ioend->io_iocb) {
+ inode_dio_done(ioend->io_inode);
if (ioend->io_isasync) {
aio_complete(ioend->io_iocb, ioend->io_error ?
ioend->io_error : ioend->io_result, 0);
}
- inode_dio_done(ioend->io_inode);
}
mempool_free(ioend, xfs_ioend_pool);
--
1.7.1
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kara <jack@suse.cz>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com,
linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com,
Jan Kara <jack@suse.cz>, Ben Myers <bpm@sgi.com>,
stable@vger.kernel.org
Subject: [Ocfs2-devel] [PATCH 2/4] xfs: Fix possible use-after-free with AIO
Date: Wed, 30 Jan 2013 00:27:59 +0100 [thread overview]
Message-ID: <1359502081-20240-3-git-send-email-jack@suse.cz> (raw)
In-Reply-To: <1359502081-20240-1-git-send-email-jack@suse.cz>
Running AIO is pinning inode in memory using file reference. Once AIO
is completed using aio_complete(), file reference is put and inode can
be freed from memory. So we have to be sure that calling aio_complete()
is the last thing we do with the inode.
CC: xfs at oss.sgi.com
CC: Ben Myers <bpm@sgi.com>
CC: stable at vger.kernel.org
Reviewed-by: Ben Myers <bpm@sgi.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/xfs/xfs_aops.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 4111a40..5f707e5 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -86,11 +86,11 @@ xfs_destroy_ioend(
}
if (ioend->io_iocb) {
+ inode_dio_done(ioend->io_inode);
if (ioend->io_isasync) {
aio_complete(ioend->io_iocb, ioend->io_error ?
ioend->io_error : ioend->io_result, 0);
}
- inode_dio_done(ioend->io_inode);
}
mempool_free(ioend, xfs_ioend_pool);
--
1.7.1
next prev parent reply other threads:[~2013-01-29 23:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-29 23:27 [PATCH 0/4 v2] Fix possible use after free with AIO Jan Kara
2013-01-29 23:27 ` [Ocfs2-devel] " Jan Kara
2013-01-29 23:27 ` [PATCH 1/4] ext4: Fix possible use-after-free " Jan Kara
2013-01-29 23:27 ` [Ocfs2-devel] " Jan Kara
2013-01-29 23:27 ` Jan Kara
2013-01-30 3:51 ` Theodore Ts'o
2013-01-30 3:51 ` [Ocfs2-devel] " Theodore Ts'o
2013-01-30 3:51 ` Theodore Ts'o
2013-01-29 23:27 ` Jan Kara [this message]
2013-01-29 23:27 ` [Ocfs2-devel] [PATCH 2/4] xfs: " Jan Kara
2013-01-29 23:27 ` Jan Kara
2013-01-30 0:56 ` Ben Myers
2013-01-30 0:57 ` [Ocfs2-devel] " Ben Myers
2013-01-30 0:56 ` Ben Myers
2013-01-29 23:28 ` [PATCH 3/4] ocfs2: " Jan Kara
2013-01-29 23:28 ` [Ocfs2-devel] " Jan Kara
2013-01-29 23:28 ` Jan Kara
2013-01-29 23:28 ` [PATCH 4/4] fs: " Jan Kara
2013-01-29 23:28 ` [Ocfs2-devel] " Jan Kara
2013-01-29 23:28 ` Jan Kara
2013-01-30 14:45 ` [PATCH 0/4 v2] Fix possible use after free " Al Viro
2013-01-30 14:45 ` [Ocfs2-devel] " Al Viro
2013-01-30 14:45 ` Al Viro
2013-01-31 2:10 ` Li Zefan
2013-01-31 2:10 ` [Ocfs2-devel] " Li Zefan
2013-01-31 2:10 ` Li Zefan
2013-01-31 19:31 ` Joel Becker
2013-01-31 19:31 ` [Ocfs2-devel] " Joel Becker
2013-01-31 19:31 ` Joel Becker
-- strict thread matches above, loose matches on Subject: below --
2013-01-23 12:56 [PATCH 0/4] " Jan Kara
2013-01-23 12:56 ` [PATCH 2/4] xfs: Fix possible use-after-free " Jan Kara
2013-01-23 22:00 ` Ben Myers
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