[packages/kernel/LINUX_4_1] - rel 2; fix for cpu lockup (triggered by perl 5.22 t/op/kill0 test)

[arekm]

commit 9b783a63c9bf8eaf7b62f930b95b93041c32f324
Author: Arkadiusz Miśkiewicz <arekm at maven.pl>
Date:   Sun Dec 13 21:35:33 2015 +0100

    - rel 2; fix for cpu lockup (triggered by perl 5.22 t/op/kill0 test)

 kernel-vserver-fixes.patch | 19 +++++++++++++++++++
 kernel.spec                |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)
---
diff --git a/kernel.spec b/kernel.spec
index bc7c04b..5a47f60 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -69,7 +69,7 @@
 %define		have_pcmcia	0
 %endif
 
-%define		rel		1
+%define		rel		2
 %define		basever		4.1
 %define		postver		.14
 
diff --git a/kernel-vserver-fixes.patch b/kernel-vserver-fixes.patch
index b46a561..0898f82 100644
--- a/kernel-vserver-fixes.patch
+++ b/kernel-vserver-fixes.patch
@@ -9,3 +9,22 @@
  	if (pid->hide_pid < hide_pid_min)
  		return true;
  	if (in_group_p(pid->pid_gid))
+--- linux-4.1.3-vs2.3.8.2/kernel/signal.c	2015-09-20 20:06:03.000000000 +0200
++++ testing41/kernel/signal.c	2015-12-05 13:01:00.599373873 +0100
+@@ -1369,8 +1369,14 @@
+ 	for (;;) {
+ 		rcu_read_lock();
+ 		p = pid_task(pid, PIDTYPE_PID);
+-		if (p && vx_check(vx_task_xid(p), VS_IDENT))
+-			error = group_send_sig_info(sig, info, p);
++		if (p) {
++			if (vx_check(vx_task_xid(p), VS_IDENT))
++				error = group_send_sig_info(sig, info, p);
++			else {
++				rcu_read_unlock();
++				return -ESRCH;
++			}
++		}
+ 		rcu_read_unlock();
+ 		if (likely(!p || error != -ESRCH))
+ 			return error;
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/kernel.git/commitdiff/9b783a63c9bf8eaf7b62f930b95b93041c32f324