diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 13f2f6845e87..cadb425c02d7 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1122,12 +1122,14 @@ static int __exchange_data_block(struct inode *src_inode,
 		olen = min((pgoff_t)4 * ADDRS_PER_BLOCK, len);
 
 		src_blkaddr = f2fs_kvzalloc(F2FS_I_SB(src_inode),
-					sizeof(block_t) * olen, GFP_KERNEL);
+					array_size(olen, sizeof(block_t)),
+					GFP_KERNEL);
 		if (!src_blkaddr)
 			return -ENOMEM;
 
 		do_replace = f2fs_kvzalloc(F2FS_I_SB(src_inode),
-					sizeof(int) * olen, GFP_KERNEL);
+					array_size(olen, sizeof(int)),
+					GFP_KERNEL);
 		if (!do_replace) {
 			kvfree(src_blkaddr);
 			return -ENOMEM;
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 53e5bc6f9efb..10643b11bd59 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2772,8 +2772,10 @@ static int init_free_nid_cache(struct f2fs_sb_info *sbi)
 	if (!nm_i->nat_block_bitmap)
 		return -ENOMEM;
 
-	nm_i->free_nid_count = f2fs_kvzalloc(sbi, nm_i->nat_blocks *
-					sizeof(unsigned short), GFP_KERNEL);
+	nm_i->free_nid_count =
+		f2fs_kvzalloc(sbi, array_size(sizeof(unsigned short),
+					      nm_i->nat_blocks),
+			      GFP_KERNEL);
 	if (!nm_i->free_nid_count)
 		return -ENOMEM;
 	return 0;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 50a10f512051..9efce174c51a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3517,8 +3517,10 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
 
 	SM_I(sbi)->sit_info = sit_i;
 
-	sit_i->sentries = f2fs_kvzalloc(sbi, MAIN_SEGS(sbi) *
-					sizeof(struct seg_entry), GFP_KERNEL);
+	sit_i->sentries =
+		f2fs_kvzalloc(sbi, array_size(sizeof(struct seg_entry),
+					      MAIN_SEGS(sbi)),
+			      GFP_KERNEL);
 	if (!sit_i->sentries)
 		return -ENOMEM;
 
@@ -3558,8 +3560,10 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
 		return -ENOMEM;
 
 	if (sbi->segs_per_sec > 1) {
-		sit_i->sec_entries = f2fs_kvzalloc(sbi, MAIN_SECS(sbi) *
-					sizeof(struct sec_entry), GFP_KERNEL);
+		sit_i->sec_entries =
+			f2fs_kvzalloc(sbi, array_size(sizeof(struct sec_entry),
+						      MAIN_SECS(sbi)),
+				      GFP_KERNEL);
 		if (!sit_i->sec_entries)
 			return -ENOMEM;
 	}