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NFS: Cleanup if nfs_match_client is interrupted

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commit 9f7761cf0409465075dadb875d5d4b8ef2f890c8 upstream.

Don't bail out before cleaning up a new allocation if the wait for
searching for a matching nfs client is interrupted.  Memory leaks.

Reported-by: syzbot+7fe11b49c1cc30e3fce2@syzkaller.appspotmail.com
Fixes: 950a578c6128 ("NFS: make nfs_match_client killable")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Benjamin Coddington 2019-06-11 12:57:52 -04:00 committed by Greg Kroah-Hartman
parent 171e75b330
commit 4f694fac72
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/client.c
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@ -416,10 +416,10 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init)
clp = nfs_match_client(cl_init);
if (clp) {
spin_unlock(&nn->nfs_client_lock);
if (IS_ERR(clp))
return clp;
if (new)
new->rpc_ops->free_client(new);
if (IS_ERR(clp))
return clp;
return nfs_found_client(cl_init, clp);
}
if (new) {