diff options
| -rw-r--r-- | fs/cramfs/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index a624c3ec8189..0509cedd415c 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -481,6 +481,8 @@ static int cramfs_readpage(struct file *file, struct page * page) pgdata = kmap(page); if (compr_len == 0) ; /* hole */ + else if (compr_len > (PAGE_CACHE_SIZE << 1)) + printk(KERN_ERR "cramfs: bad compressed blocksize %u\n", compr_len); else { mutex_lock(&read_mutex); bytes_filled = cramfs_uncompress_block(pgdata, |