From d7d75ce711cf951aa33b86603e486837a402379e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Mon, 13 Jan 2014 20:38:26 -0200 Subject: linux-libre-{pae,xen,knock,grsec}-3.12.7-2: fix 15 seconds nfs hang, #37886 kernel oops => https://bugs.archlinux.org/task/37886 --- ...my-gssd-directory-when-notification-fails.patch | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 kernels/linux-libre-pae/rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-notification-fails.patch (limited to 'kernels/linux-libre-pae/rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-notification-fails.patch') diff --git a/kernels/linux-libre-pae/rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-notification-fails.patch b/kernels/linux-libre-pae/rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-notification-fails.patch new file mode 100644 index 000000000..ed03f34dd --- /dev/null +++ b/kernels/linux-libre-pae/rpc_pipe-fix-cleanup-of-dummy-gssd-directory-when-notification-fails.patch @@ -0,0 +1,50 @@ +Bugzilla: 1037793 +Upstream-status: submitted for 3.14 + +Currently, it could leak dentry references in some cases. Make sure +we clean up properly. + +Signed-off-by: Jeff Layton +--- + 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); +-- +1.8.4.2 + +-- +To unsubscribe from this list: send the line "unsubscribe linux-nfs" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html -- cgit v1.2.3-2-g168b