Project

General

Profile

Actions
Copy link

Bug #1281

closed

Data Races

Added by Jin Huang over 3 years ago. Updated over 3 years ago.

Status:
Invalid
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
08/14/2020
Due date:
% Done:

0%

Estimated time:

Description

Data Race 1: WW

Variable: crdp, defined at src/urcu-call-rcu-impl.h:424

Thread1: userspace-rcu/src/urcu-call-rcu-impl.h:211, inside function set_thread_cpu_affinity:

if (++crdp->gp_count & SET_AFFINITY_CHECK_PERIOD_MASK)

Call order:

(1)pthread_create [src/urcu-call-rcu-impl.h:437]
(2)call_rcu_thread [src/urcu-call-rcu-impl.h:437]
(3)set_thread_cpu_affinity [src/urcu-call-rcu-impl.h:318]

Thread2: userspace-rcu/src/urcu-call-rcu-impl.h:211, inside function set_thread_cpu_affinity:

if (++crdp->gp_count & SET_AFFINITY_CHECK_PERIOD_MASK)

Call order:

(1)pthread_create [src/urcu-call-rcu-impl.h:437]
(2)call_rcu_thread [src/urcu-call-rcu-impl.h:437]
(3)set_thread_cpu_affinity [src/urcu-call-rcu-impl.h:318]

Data Race 2: RW

Variable: crdp, defined at src/urcu-call-rcu-impl.h:424

Thread1: userspace-rcu/src/urcu-call-rcu-impl.h:433, inside function call_rcu_data_init:

crdp->cpu_affinity = cpu_affinity;

Call order:

(1)perftest [src/rcutorture.h:590]
(2)perftestrun [src/rcutorture.h:244]
(3)urcu_signal_free_all_cpu_call_rcu_data [src/rcutorture.h:227]
(4)urcu_signal_get_default_call_rcu_data [src/urcu-call-rcu-impl.h:777]
(5)call_rcu_data_init [src/urcu-call-rcu-impl.h:572]

Thread2: userspace-rcu/src/urcu-call-rcu-impl.h:209, inside function set_thread_cpu_affinity:

if (crdp->cpu_affinity < 0)

Call order:

(1)pthread_create [src/urcu-call-rcu-impl.h:437]
(2)call_rcu_thread [src/urcu-call-rcu-impl.h:437]
(3)set_thread_cpu_affinity [src/urcu-call-rcu-impl.h:318]

Actions
Copy link

Also available in: Atom PDF