Commit d69e83d9 authored by Dave Kleikamp's avatar Dave Kleikamp

jfs: ensure symlinks are NUL-terminated

This is an alternate fix for a bug reported and fixed by Duane Griffin.
Signed-off-by: default avatarDave Kleikamp <shaggy@linux.vnet.ibm.com>
Reported-by: default avatarDuane Griffin <duaneg@dghda.com>
parent a3dd1544
...@@ -59,8 +59,14 @@ struct inode *jfs_iget(struct super_block *sb, unsigned long ino) ...@@ -59,8 +59,14 @@ struct inode *jfs_iget(struct super_block *sb, unsigned long ino)
if (inode->i_size >= IDATASIZE) { if (inode->i_size >= IDATASIZE) {
inode->i_op = &page_symlink_inode_operations; inode->i_op = &page_symlink_inode_operations;
inode->i_mapping->a_ops = &jfs_aops; inode->i_mapping->a_ops = &jfs_aops;
} else } else {
inode->i_op = &jfs_symlink_inode_operations; 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 { } else {
inode->i_op = &jfs_file_inode_operations; inode->i_op = &jfs_file_inode_operations;
init_special_inode(inode, inode->i_mode, inode->i_rdev); init_special_inode(inode, inode->i_mode, inode->i_rdev);
......
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