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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:33:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:33:33 -0800
commit14eeee88bfb439a3dc9449f94c23a21930cbe35b (patch)
tree9c87086c2836c475040cb2b6f94421cb92d79014 /fs
parent5b8f258758494315b69d568661a2823e24d4ad6f (diff)
parentd69e83d99cf87e3328c47bb54684360e32aef17d (diff)
downloadlinux-14eeee88bfb439a3dc9449f94c23a21930cbe35b.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6: jfs: ensure symlinks are NUL-terminated
Diffstat (limited to 'fs')
-rw-r--r--fs/jfs/inode.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 210339784b56..b00ee9f05a06 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -59,8 +59,14 @@ struct inode *jfs_iget(struct super_block *sb, unsigned long ino)
if (inode->i_size >= IDATASIZE) {
inode->i_op = &page_symlink_inode_operations;
inode->i_mapping->a_ops = &jfs_aops;
- } else
+ } else {
inode->i_op = &jfs_symlink_inode_operations;
+ /*
+ * The inline data should be null-terminated, but
+ * don't let on-disk corruption crash the kernel
+ */
+ JFS_IP(inode)->i_inline[inode->i_size] = '\0';
+ }
} else {
inode->i_op = &jfs_file_inode_operations;
init_special_inode(inode, inode->i_mode, inode->i_rdev);