[PATCH v2 1/2] nfs: fix acl memory leak of posix_acl_create()

From: Gao Xiang
Date: Wed Jun 23 2021 - 02:39:22 EST


When looking into another nfs xfstests report, I found acl and
default_acl in nfs3_proc_create() and nfs3_proc_mknod() error
paths are possibly leaked. Fix them in advance.

Fixes: 013cdf1088d7 ("nfs: use generic posix ACL infrastructure for v3 Posix ACLs")
Cc: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Cc: Anna Schumaker <anna.schumaker@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
---
no change.

fs/nfs/nfs3proc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 5c4e23abc345..2299446b3b89 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -385,7 +385,7 @@ static void nfs3_free_createdata(struct nfs3_createdata *data)
break;

case NFS3_CREATE_UNCHECKED:
- goto out;
+ goto out_release_acls;
}
nfs_fattr_init(data->res.dir_attr);
nfs_fattr_init(data->res.fattr);
@@ -751,7 +751,7 @@ static int nfs3_proc_readdir(struct nfs_readdir_arg *nr_arg,
break;
default:
status = -EINVAL;
- goto out;
+ goto out_release_acls;
}

d_alias = nfs3_do_create(dir, dentry, data);
--
1.8.3.1