diff options
Diffstat (limited to 'drivers/staging/erofs/inode.c')
| -rw-r--r-- | drivers/staging/erofs/inode.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/staging/erofs/inode.c b/drivers/staging/erofs/inode.c index 04c61a9d7b76..d7fbf5f4600f 100644 --- a/drivers/staging/erofs/inode.c +++ b/drivers/staging/erofs/inode.c @@ -133,7 +133,13 @@ static int fill_inline_data(struct inode *inode, void *data, return -ENOMEM; m_pofs += vi->inode_isize + vi->xattr_isize; - BUG_ON(m_pofs + inode->i_size > PAGE_SIZE); + + /* inline symlink data shouldn't across page boundary as well */ + if (unlikely(m_pofs + inode->i_size > PAGE_SIZE)) { + DBG_BUGON(1); + kfree(lnk); + return -EIO; + } /* get in-page inline data */ memcpy(lnk, data + m_pofs, inode->i_size); @@ -171,7 +177,7 @@ static int fill_inode(struct inode *inode, int isdir) return PTR_ERR(page); } - BUG_ON(!PageUptodate(page)); + DBG_BUGON(!PageUptodate(page)); data = page_address(page); err = read_inode(inode, data + ofs); |