Bug#532811: linux-2.6: openvz fix user triggable WARN_ON()
Package: linux-2.6
Version: 2.6.26-16
Severity: important
"I have conainer with LTSP-server. When I starts twinkle (soft phone),
kernel begin write warnings into log: WARNING: .."
http://bugzilla.openvz.org/show_bug.cgi?id=1262
fixed by upstream commit:
>From bbbad0afef910ba70a56da89389e121fb7cec2e0 Mon Sep 17 00:00:00 2001
From: Konstantin Khlebnikov <khlebnikov@openvz.org>
Date: Wed, 3 Jun 2009 16:33:00 +0400
Subject: [PATCH 86/86] pidns: pi-futex pid check fixup
fix WARN_ON condition
port rh5 patch from Stanichenko Marat <mstanichenko@openvz.org>
http://bugzilla.openvz.org/show_bug.cgi?id=1262
---
kernel/futex.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/futex.c b/kernel/futex.c
index a02be16..ed2c6ed 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -534,7 +534,7 @@ lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
WARN_ON(!atomic_read(&pi_state->refcount));
WARN_ON(pid && pi_state->owner &&
- pi_state->owner->pid != pid);
+ task_pid_vnr(pi_state->owner) != pid);
atomic_inc(&pi_state->refcount);
*ps = pi_state;
--
1.6.3.1
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (900, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.30-rc8-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
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