diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 65c5f05a1df6..1fd50434c08c 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -513,8 +513,9 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
 	max_len = COMPRESS_HEADER_SIZE + cc->clen;
 	cc->nr_cpages = DIV_ROUND_UP(max_len, PAGE_SIZE);
 
-	cc->cpages = f2fs_kzalloc(sbi, sizeof(struct page *) *
-					cc->nr_cpages, GFP_NOFS);
+	cc->cpages = f2fs_kzalloc(sbi,
+				  array_size(sizeof(struct page *), cc->nr_cpages),
+				  GFP_NOFS);
 	if (!cc->cpages) {
 		ret = -ENOMEM;
 		goto destroy_compress_ctx;
@@ -1286,8 +1287,9 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
 		dic->rpages[i] = cc->rpages[i];
 	dic->nr_rpages = cc->cluster_size;
 
-	dic->cpages = f2fs_kzalloc(sbi, sizeof(struct page *) *
-					dic->nr_cpages, GFP_NOFS);
+	dic->cpages = f2fs_kzalloc(sbi,
+				   array_size(sizeof(struct page *), dic->nr_cpages),
+				   GFP_NOFS);
 	if (!dic->cpages)
 		goto out_free;
 
@@ -1303,8 +1305,9 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
 		dic->cpages[i] = page;
 	}
 
-	dic->tpages = f2fs_kzalloc(sbi, sizeof(struct page *) *
-					dic->cluster_size, GFP_NOFS);
+	dic->tpages = f2fs_kzalloc(sbi,
+				   array_size(sizeof(struct page *), dic->cluster_size),
+				   GFP_NOFS);
 	if (!dic->tpages)
 		goto out_free;
 
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index 5bc4dcd8fc03..af5855fbbb8d 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -118,7 +118,7 @@ f2fs_hash_t f2fs_dentry_hash(const struct inode *dir,
 	if (!name_info->len || !IS_CASEFOLDED(dir))
 		goto opaque_seq;
 
-	buff = f2fs_kzalloc(sbi, sizeof(char) * PATH_MAX, GFP_KERNEL);
+	buff = f2fs_kzalloc(sbi, PATH_MAX, GFP_KERNEL);
 	if (!buff)
 		return -ENOMEM;
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index a57fd30d6b84..3c6dbc0116bd 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3033,8 +3033,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
 		FDEV(devi).nr_blkz++;
 
 	FDEV(devi).blkz_seq = f2fs_kzalloc(sbi,
-					BITS_TO_LONGS(FDEV(devi).nr_blkz)
-					* sizeof(unsigned long),
+					array_size(sizeof(unsigned long), BITS_TO_LONGS(FDEV(devi).nr_blkz)),
 					GFP_KERNEL);
 	if (!FDEV(devi).blkz_seq)
 		return -ENOMEM;