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NFS: Use kmemdup_nul() in nfs_readdir_make_qstr()

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The directory strings stored in the readdir cache may be used with
printk(), so it is better to ensure they are nul-terminated.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2020-02-02 17:53:55 -05:00 committed by Anna Schumaker
parent 114de38225
commit 3803d6721b
1 changed files with 1 additions and 1 deletions

2
fs/nfs/dir.c
View File

@ -198,7 +198,7 @@ static
int nfs_readdir_make_qstr(struct qstr *string, const char *name, unsigned int len)
{
string->len = len;
string->name = kmemdup(name, len, GFP_KERNEL);
string->name = kmemdup_nul(name, len, GFP_KERNEL);
if (string->name == NULL)
return -ENOMEM;
/*