print error message if process workdir failed

Signed-off-by: WangFengTu <wangfengtu@huawei.com>

0022-print-error-message-if-process-workdir-failed.patch

@@ -0,0 +1,32 @@
+From 540981ef79b921fea26e24456fbecc648eaf6e9e Mon Sep 17 00:00:00 2001
+From: WangFengTu <wangfengtu@huawei.com>
+Date: Sat, 8 May 2021 11:02:08 +0800
+Subject: [PATCH] print error message if process workdir failed
+
+Signed-off-by: WangFengTu <wangfengtu@huawei.com>
+---
+ src/lxc/attach.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/lxc/attach.c b/src/lxc/attach.c
+index 2ed2329..68f4148 100644
+--- a/src/lxc/attach.c
++++ b/src/lxc/attach.c
+@@ -798,10 +798,14 @@ static int attach_child_main(struct attach_clone_payload *payload)
+ 		struct stat st;
+ 		if (stat(init_cwd, &st) < 0 && mkdir_p(init_cwd, 0750) < 0) {
+ 			SYSERROR("Try to create directory \"%s\" as workdir failed when attach", init_cwd);
++			lxc_write_error_message(msg_fd, "Try to create directory \"%s\" as workdir failed when attach: %s",
++						init_cwd, strerror(errno));
+ 			goto on_error;
+ 		}
+ 		if (chdir(init_cwd)) {
+ 			SYSERROR("Could not change directory to \"%s\" when attach", init_cwd);
++			lxc_write_error_message(msg_fd, "Could not change directory to \"%s\" when attach: %s",
++						init_cwd, strerror(errno));
+ 			goto on_error;
+ 		}
+ 	}
+-- 
+2.25.1
+

lxc.spec

@@ -1,4 +1,4 @@
-%global _release 2021040701
+%global _release 2021050801
 
 Name:           lxc
 Version:        4.0.3
@@ -29,6 +29,7 @@ Patch0018:	0018-IO-fix-io-data-miss-when-exec-with-pipes.patch
 Patch0019:	0019-metrics-add-total_inactive_file-metric-for-memory.patch
 Patch0020:	0020-support-cgroup-v2.patch
 Patch0021:	0021-support-isula-exec-workdir.patch
+Patch0022:	0022-print-error-message-if-process-workdir-failed.patch
 
 BuildRequires:  systemd-units git libtool graphviz docbook2X doxygen chrpath
 BuildRequires:  pkgconfig(libseccomp)
@@ -200,6 +201,12 @@ make check
 %{_mandir}/*/man7/%{name}*
 
 %changelog
+* Sat Mar 08 2021 wangfengtu <wangfengtu@huawei.com> - 4.0.3-2021050801
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:print error message if process workdir failed
+
 * Wed Apr 07 2021 wangfengtu <wangfengtu@huawei.com> - 4.0.3-2021040701
 - Type:bugfix
 - ID:NA

series.conf

@@ -19,3 +19,4 @@
 0019-metrics-add-total_inactive_file-metric-for-memory.patch
 0020-support-cgroup-v2.patch
 0021-support-isula-exec-workdir.patch
+0022-print-error-message-if-process-workdir-failed.patch