diff options
Diffstat (limited to 'kernels/linux-libre-grsec/0006-rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-no.patch')
| -rw-r--r-- | kernels/linux-libre-grsec/0006-rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-no.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/kernels/linux-libre-grsec/0006-rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-no.patch b/kernels/linux-libre-grsec/0006-rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-no.patch new file mode 100644 index 000000000..75505c30d --- /dev/null +++ b/kernels/linux-libre-grsec/0006-rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-no.patch @@ -0,0 +1,50 @@ +From 23e66ba97127ff3b064d4c6c5138aa34eafc492f Mon Sep 17 00:00:00 2001 +From: Jeff Layton <jlayton@redhat.com> +Date: Mon, 9 Dec 2013 09:38:00 -0500 +Subject: [PATCH 6/6] rpc_pipe: fix cleanup of dummy gssd directory when + notification fails + +Currently, it could leak dentry references in some cases. Make sure +we clean up properly. + +Signed-off-by: Jeff Layton <jlayton@redhat.com> +Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> +--- + net/sunrpc/rpc_pipe.c | 14 +++++++++++++- + 1 file changed, 13 insertions(+), 1 deletion(-) + +diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c +index 5d973b2..b185548 100644 +--- a/net/sunrpc/rpc_pipe.c ++++ b/net/sunrpc/rpc_pipe.c +@@ -1369,6 +1369,18 @@ out: + return pipe_dentry; + } + ++static void ++rpc_gssd_dummy_depopulate(struct dentry *pipe_dentry) ++{ ++ struct dentry *clnt_dir = pipe_dentry->d_parent; ++ struct dentry *gssd_dir = clnt_dir->d_parent; ++ ++ __rpc_rmpipe(clnt_dir->d_inode, pipe_dentry); ++ __rpc_depopulate(clnt_dir, gssd_dummy_info_file, 0, 1); ++ __rpc_depopulate(gssd_dir, gssd_dummy_clnt_dir, 0, 1); ++ dput(pipe_dentry); ++} ++ + static int + rpc_fill_super(struct super_block *sb, void *data, int silent) + { +@@ -1412,7 +1424,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent) + return 0; + + err_depopulate: +- dput(gssd_dentry); ++ rpc_gssd_dummy_depopulate(gssd_dentry); + blocking_notifier_call_chain(&rpc_pipefs_notifier_list, + RPC_PIPEFS_UMOUNT, + sb); +-- +1.8.5.3 + |