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From: "Duane Griffin" <duaneg@dghda.com>
To: linux-kernel@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org, Duane Griffin <duaneg@dghda.com>,
	Christoph Hellwig <hch@infradead.org>
Subject: [PATCH] freevxfs: ensure fast symlinks are NUL-terminated
Date: Tue, 16 Dec 2008 15:52:00 +0000	[thread overview]
Message-ID: <1229442720-31056-9-git-send-email-duaneg@dghda.com> (raw)
In-Reply-To: <1229442720-31056-8-git-send-email-duaneg@dghda.com>

Ensure fast symlink targets are NUL-terminated, even if corrupted
on-disk.

Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Duane Griffin <duaneg@dghda.com>
---
 fs/freevxfs/vxfs_inode.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c
index 9f3f2ce..03a6ea5 100644
--- a/fs/freevxfs/vxfs_inode.c
+++ b/fs/freevxfs/vxfs_inode.c
@@ -325,8 +325,10 @@ vxfs_iget(struct super_block *sbp, ino_t ino)
 		if (!VXFS_ISIMMED(vip)) {
 			ip->i_op = &page_symlink_inode_operations;
 			ip->i_mapping->a_ops = &vxfs_aops;
-		} else
+		} else {
 			ip->i_op = &vxfs_immed_symlink_iops;
+			vip->vii_immed.vi_immed[ip->i_size] = '\0';
+		}
 	} else
 		init_special_inode(ip, ip->i_mode, old_decode_dev(vip->vii_rdev));
 
-- 
1.6.0.4


  reply	other threads:[~2008-12-16 15:54 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-16 15:51 [PATCH 0/8, v3] ensure " Duane Griffin
2008-12-16 15:51 ` [PATCH] vfs: introduce helper function to safely NUL-terminate symlinks Duane Griffin
2008-12-16 15:51   ` [PATCH] vfs: ensure page symlinks are NUL-terminated Duane Griffin
2008-12-16 15:51     ` [PATCH] ext2: ensure fast " Duane Griffin
2008-12-16 15:51       ` [PATCH] ext3: " Duane Griffin
2008-12-16 15:51         ` [PATCH] ext4: " Duane Griffin
2008-12-16 15:51           ` [PATCH] ufs: " Duane Griffin
2008-12-16 15:51             ` [PATCH] sysv: " Duane Griffin
2008-12-16 15:52               ` Duane Griffin [this message]
2008-12-16 19:40             ` [PATCH] ufs: " Evgeniy Dushistov
2008-12-16 23:18               ` Duane Griffin
2008-12-27 12:22                 ` Evgeniy Dushistov
2008-12-16 23:46           ` [PATCH] vfs: introduce helper function to safely NUL-terminate symlinks Andreas Dilger
2008-12-17  0:26             ` Duane Griffin
2008-12-19 15:03               ` Duane Griffin
2008-12-19 19:28                 ` Andrew Morton
2008-12-19 19:43                 ` Al Viro
2008-12-16 16:38   ` Al Viro
2008-12-16 17:03 ` [PATCH 0/8, v3] ensure symlinks are NUL-terminated Dave Kleikamp
2008-12-16 17:26   ` Duane Griffin

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