1 files changed, 16 insertions, 7 deletions

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index e8015d24a82c..87ddde159f0c 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -218,7 +218,8 @@ void nilfs_write_failed(struct address_space *mapping, loff_t to)
 	}
 }
 
-static int nilfs_write_begin(struct file *file, struct address_space *mapping,
+static int nilfs_write_begin(const struct kiocb *iocb,
+			     struct address_space *mapping,
 			     loff_t pos, unsigned len,
 			     struct folio **foliop, void **fsdata)
 
@@ -237,7 +238,8 @@ static int nilfs_write_begin(struct file *file, struct address_space *mapping,
 	return err;
 }
 
-static int nilfs_write_end(struct file *file, struct address_space *mapping,
+static int nilfs_write_end(const struct kiocb *iocb,
+			   struct address_space *mapping,
 			   loff_t pos, unsigned len, unsigned copied,
 			   struct folio *folio, void *fsdata)
 {
@@ -248,7 +250,7 @@ static int nilfs_write_end(struct file *file, struct address_space *mapping,
 
 	nr_dirty = nilfs_page_count_clean_buffers(folio, start,
 						  start + copied);
-	copied = generic_write_end(file, mapping, pos, len, copied, folio,
+	copied = generic_write_end(iocb, mapping, pos, len, copied, folio,
 				   fsdata);
 	nilfs_set_file_dirty(inode, nr_dirty);
 	err = nilfs_transaction_commit(inode->i_sb);
@@ -472,11 +474,18 @@ static int __nilfs_read_inode(struct super_block *sb,
 		inode->i_op = &nilfs_symlink_inode_operations;
 		inode_nohighmem(inode);
 		inode->i_mapping->a_ops = &nilfs_aops;
-	} else {
+	} else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
+		   S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
 		inode->i_op = &nilfs_special_inode_operations;
 		init_special_inode(
 			inode, inode->i_mode,
 			huge_decode_dev(le64_to_cpu(raw_inode->i_device_code)));
+	} else {
+		nilfs_error(sb,
+			    "invalid file type bits in mode 0%o for inode %lu",
+			    inode->i_mode, ino);
+		err = -EIO;
+		goto failed_unmap;
 	}
 	nilfs_ifile_unmap_inode(raw_inode);
 	brelse(bh);
@@ -1186,7 +1195,7 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 			if (size) {
 				if (phys && blkphy << blkbits == phys + size) {
 					/* The current extent goes on */
-					size += n << blkbits;
+					size += (u64)n << blkbits;
 				} else {
 					/* Terminate the current extent */
 					ret = fiemap_fill_next_extent(
@@ -1199,14 +1208,14 @@ int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 					flags = FIEMAP_EXTENT_MERGED;
 					logical = blkoff << blkbits;
 					phys = blkphy << blkbits;
-					size = n << blkbits;
+					size = (u64)n << blkbits;
 				}
 			} else {
 				/* Start a new extent */
 				flags = FIEMAP_EXTENT_MERGED;
 				logical = blkoff << blkbits;
 				phys = blkphy << blkbits;
-				size = n << blkbits;
+				size = (u64)n << blkbits;
 			}
 			blkoff += n;
 		}