Re: [syzbot] KMSAN: uninit-value in hfs_free_fork

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Subject: KMSAN: uninit-value in hfs_free_fork
Author: gianf.trad@xxxxxxxxx

#syz test
diff --git a/fs/hfs/bfind.c b/fs/hfs/bfind.c
index ef9498a6e88a..c74d864bc29e 100644
--- a/fs/hfs/bfind.c
+++ b/fs/hfs/bfind.c
@@ -18,7 +18,7 @@ int hfs_find_init(struct hfs_btree *tree, struct 
hfs_find_data *fd)

  	fd->tree = tree;
  	fd->bnode = NULL;
-	ptr = kmalloc(tree->max_key_len * 2 + 4, GFP_KERNEL);
+	ptr = kzalloc(tree->max_key_len * 2 + 4, GFP_KERNEL);
  	if (!ptr)
  		return -ENOMEM;
  	fd->search_key = ptr;