Hiroshi Shimamoto 9c95e7319b sched: fix invalid sched_class use ... When using rt_mutex, a NULL pointer dereference is occurred at enqueue_task_rt. Here is a scenario; 1) there are two threads, the thread A is fair_sched_class and thread B is rt_sched_class. 2) Thread A is boosted up to rt_sched_class, because the thread A has a rt_mutex lock and the thread B is waiting the lock. 3) At this time, when thread A create a new thread C, the thread C has a rt_sched_class. 4) When doing wake_up_new_task() for the thread C, the priority of the thread C is out of the RT priority range, because the normal priority of thread A is not the RT priority. It makes data corruption by overflowing the rt_prio_array. The new thread C should be fair_sched_class. The new thread should be valid scheduler class before queuing. This patch fixes to set the suitable scheduler class. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>		2007-09-19 23:34:46 +02:00
..
irq	request_irq: fix DEBUG_SHIRQ handling	2007-08-31 01:42:23 -07:00
power	PM: Fix dependencies of CONFIG_SUSPEND and CONFIG_HIBERNATION	2007-08-31 01:42:22 -07:00
time	clockevents: prevent stale tick update on offline cpu	2007-09-16 15:36:43 +02:00
.gitignore	…
Kconfig.hz	…
Kconfig.preempt	[PATCH] sched: arch preempt notifier mechanism	2007-07-26 13:40:43 +02:00
Makefile	…
acct.c	Cleanup non-arch xtime uses, use get_seconds() or current_kernel_time().	2007-07-25 10:09:20 -07:00
audit.c	…
audit.h	…
auditfilter.c	…
auditsc.c	kernel/auditsc.c: fix an off-by-one	2007-08-22 19:52:44 -07:00
capability.c	…
compat.c	…
configs.c	…
cpu.c	PM: Fix dependencies of CONFIG_SUSPEND and CONFIG_HIBERNATION	2007-08-31 01:42:22 -07:00
cpuset.c	…
delayacct.c	…
die_notifier.c	…
dma.c	…
exec_domain.c	…
exit.c	Assign task_struct.exit_code before taskstats_exit()	2007-08-31 01:42:22 -07:00
extable.c	…
fork.c	…
futex.c	futex_unlock_pi() hurts my brain and may cause application deadlock	2007-08-22 19:52:44 -07:00
futex_compat.c	futex_compat: fix list traversal bugs	2007-09-11 17:21:20 -07:00
hrtimer.c	Cache xtime every call to update_wall_time	2007-07-25 10:17:44 -07:00
itimer.c	…
kallsyms.c	…
kexec.c	…
kfifo.c	…
kmod.c	Restore call_usermodehelper_pipe() behaviour	2007-09-11 17:21:20 -07:00
kprobes.c	fix compilation with gcc 4.2	2007-08-11 15:47:42 -07:00
ksysfs.c	…
kthread.c	kthread: silence bogus section mismatch warning	2007-07-31 15:39:42 -07:00
latency.c	…
lockdep.c	…
lockdep_internals.h	…
lockdep_proc.c	Fix leak on /proc/lockdep_stats	2007-07-31 15:39:40 -07:00
module.c	Fix Off-by-one in /sys/module/*/refcnt	2007-08-22 14:35:35 -07:00
mutex-debug.c	…
mutex-debug.h	…
mutex.c	…
mutex.h	…
nsproxy.c	…
panic.c	…
params.c	modules: better error messages when modules fail to load due to a sysfs problem.	2007-07-30 14:25:23 -07:00
pid.c	…
posix-cpu-timers.c	…
posix-timers.c	posix-timers: fix creation race	2007-08-22 19:52:46 -07:00
printk.c	fix - ensure we don't use bootconsoles after init has been released	2007-08-21 20:23:53 -07:00
profile.c	fix compilation with gcc 4.2	2007-08-11 15:47:42 -07:00
ptrace.c	Fix spurious syscall tracing after PTRACE_DETACH + PTRACE_ATTACH	2007-09-10 18:57:47 -07:00
rcupdate.c	…
rcutorture.c	…
relay.c	Fix a use after free bug in kernel->userspace relay file support	2007-07-31 15:39:42 -07:00
resource.c	…
rtmutex-debug.c	…
rtmutex-debug.h	…
rtmutex-tester.c	…
rtmutex.c	…
rtmutex.h	…
rtmutex_common.h	…
rwsem.c	…
sched.c	sched: fix invalid sched_class use	2007-09-19 23:34:46 +02:00
sched_debug.c	sched: debug: fix sum_exec_runtime clearing	2007-09-05 14:32:49 +02:00
sched_fair.c	sched: add /proc/sys/kernel/sched_compat_yield	2007-09-19 23:34:46 +02:00
sched_idletask.c	sched: remove the 'u64 now' parameter from ->put_prev_task()	2007-08-09 11:16:49 +02:00
sched_rt.c	sched: optimize task_tick_rt() a bit	2007-08-24 20:39:10 +02:00
sched_stats.h	[PATCH] sched: add schedstat_set() API	2007-08-02 17:41:40 +02:00
seccomp.c	…
signal.c	sigqueue_free: fix the race with collect_signal()	2007-08-31 01:42:23 -07:00
softirq.c	…
softlockup.c	…
spinlock.c	…
srcu.c	…
stacktrace.c	…
stop_machine.c	…
sys.c	setpgid(child) fails if the child was forked by sub-thread	2007-08-31 01:42:22 -07:00
sys_ni.c	…
sysctl.c	sched: add /proc/sys/kernel/sched_compat_yield	2007-09-19 23:34:46 +02:00
taskstats.c	…
time.c	Cleanup non-arch xtime uses, use get_seconds() or current_kernel_time().	2007-07-25 10:09:20 -07:00
timer.c	…
tsacct.c	Cleanup non-arch xtime uses, use get_seconds() or current_kernel_time().	2007-07-25 10:09:20 -07:00
uid16.c	…
user.c	Fix user namespace exiting OOPs	2007-09-19 11:24:18 -07:00
user_namespace.c	Fix user namespace exiting OOPs	2007-09-19 11:24:18 -07:00
utsname.c	Fix UTS corruption during clone(CLONE_NEWUTS)	2007-09-19 11:24:17 -07:00
utsname_sysctl.c	…
wait.c	…
workqueue.c	fix bogus hotplug cpu warning	2007-08-27 10:27:48 -07:00