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Oleg Nesterov f8986c241d [PATCH] revert "Drop tasklist lock in do_sched_setscheduler" 
sched_setscheduler() looks at ->signal->rlim[].  It is unsafe do
dereference ->signal unless tasklist_lock or ->siglock is held (or p ==
current).  We pin the task structure, but this can't prevent from
release_task()->__exit_signal() which sets ->signal = NULL.

Restore tasklist_lock across the setscheduler call.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-08-27 11:01:29 -07:00
..
irq
[PATCH] genirq: {en,dis}able_irq_wake() need refcounting too
2006-07-31 13:28:36 -07:00
power
[PATCH] Make suspend possible with a traced process at a breakpoint
2006-08-06 08:57:45 -07:00
time
[PATCH] time: rename clocksource functions
2006-06-26 09:58:21 -07:00
.gitignore
…
acct.c
[PATCH] Fix sighand->siglock usage in kernel/acct.c
2006-07-14 21:53:54 -07:00
audit.c
[PATCH] fix oops with CONFIG_AUDIT and !CONFIG_AUDITSYSCALL
2006-08-03 10:50:39 -04:00
audit.h
[PATCH] add rule filterkey
2006-07-01 05:43:06 -04:00
auditfilter.c
[PATCH] introduce audit rules counter
2006-08-03 10:55:18 -04:00
auditsc.c
[PATCH] take filling ->pid, etc. out of audit_get_context()
2006-08-03 10:59:51 -04:00
capability.c
[PATCH] sched: cleanup, remove task_t, convert to struct task_struct
2006-07-03 15:27:11 -07:00
compat.c
[PATCH] N32 sigset and __COMPAT_ENDIAN_SWAP__
2006-06-25 10:01:15 -07:00
configs.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
cpu.c
cpu hotplug: simplify and hopefully fix locking
2006-07-23 12:12:16 -07:00
cpuset.c
[PATCH] Cpuset: fix ABBA deadlock with cpu hotplug lock
2006-07-23 13:03:05 -07:00
delayacct.c
[PATCH] delay accounting: temporarily enable by default
2006-07-31 13:28:37 -07:00
dma.c
…
exec_domain.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
exit.c
[PATCH] per-task delay accounting taskstats interface: control exit data through cpumasks
2006-07-14 21:53:57 -07:00
extable.c
[PATCH] symbol_put_addr() locks kernel
2006-05-15 11:20:55 -07:00
fork.c
[PATCH] ptrace: make pid of child process available for PTRACE_EVENT_VFORK_DONE
2006-08-06 08:57:46 -07:00
futex_compat.c
[PATCH] futex: Apply recent futex fixes to futex_compat
2006-08-06 08:57:49 -07:00
futex.c
[PATCH] futex_handle_fault always fails
2006-08-14 12:54:29 -07:00
hrtimer.c
[PATCH] fix hrtimer percpu usage typo
2006-08-14 12:54:28 -07:00
itimer.c
[PATCH] hrtimers: remove data field
2006-03-26 08:57:03 -08:00
kallsyms.c
[PATCH] null-terminate over-long /proc/kallsyms symbols
2006-07-14 21:53:52 -07:00
Kconfig.hz
…
Kconfig.preempt
…
kexec.c
[POWERPC] Add the use of the firmware soft-reset-nmi to kdump.
2006-06-28 15:18:52 +10:00
kfifo.c
…
kmod.c
[PATCH] lockdep: annotate on-stack completions
2006-07-03 15:27:09 -07:00
kprobes.c
[PATCH] IA64: kprobe invalidate icache of jump buffer
2006-07-31 13:28:38 -07:00
ksysfs.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
kthread.c
[PATCH] remove kernel/kthread.c:kthread_stop_sem()
2006-07-14 21:53:52 -07:00
lockdep_internals.h
[PATCH] lockdep: core
2006-07-03 15:27:03 -07:00
lockdep_proc.c
[PATCH] lockdep: procfs
2006-07-03 15:27:04 -07:00
lockdep.c
[PATCH] lockdep: core, reduce per-lock class-cache size
2006-07-10 13:24:14 -07:00
Makefile
[PATCH] per-task-delay-accounting: taskstats interface
2006-07-14 21:53:56 -07:00
module.c
[PATCH] null-terminate over-long /proc/kallsyms symbols
2006-07-14 21:53:52 -07:00
mutex-debug.c
[PATCH] lockdep: prove mutex locking correctness
2006-07-03 15:27:04 -07:00
mutex-debug.h
[PATCH] lockdep: better lock debugging
2006-07-03 15:27:01 -07:00
mutex.c
[PATCH] lockdep: prove mutex locking correctness
2006-07-03 15:27:04 -07:00
mutex.h
[PATCH] lockdep: prove mutex locking correctness
2006-07-03 15:27:04 -07:00
panic.c
[PATCH] panic.c build fix
2006-08-14 12:54:28 -07:00
params.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
pid.c
[PATCH] sched: cleanup, remove task_t, convert to struct task_struct
2006-07-03 15:27:11 -07:00
posix-cpu-timers.c
[PATCH] arm_timer: remove a racy and obsolete PF_EXITING check
2006-06-17 10:52:13 -07:00
posix-timers.c
[PATCH] hrtimers: remove data field
2006-03-26 08:57:03 -08:00
printk.c
[PATCH] vt: printk: Fix framebuffer console triggering might_sleep assertion
2006-08-06 08:57:47 -07:00
profile.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
ptrace.c
[PATCH] sched: cleanup, remove task_t, convert to struct task_struct
2006-07-03 15:27:11 -07:00
rcupdate.c
[PATCH] cpu hotplug: replace __devinit* with __cpuinit* for cpu notifications
2006-07-31 13:28:39 -07:00
rcutorture.c
[PATCH] rcutorture: add call_rcu_bh() operations
2006-06-27 17:32:40 -07:00
relay.c
[PATCH] relay: consolidate sendfile() and read() code
2006-03-23 19:58:45 +01:00
resource.c
[PATCH] memory hotadd fixes: find_next_system_ram catch range fix
2006-08-06 08:57:48 -07:00
rtmutex_common.h
[PATCH] pi-futex: futex_lock_pi/futex_unlock_pi support
2006-06-27 17:32:47 -07:00
rtmutex-debug.c
[PATCH] sched: cleanup, remove task_t, convert to struct task_struct
2006-07-03 15:27:11 -07:00
rtmutex-debug.h
[PATCH] lockdep: better lock debugging
2006-07-03 15:27:01 -07:00
rtmutex-tester.c
[PATCH] Add try_to_freeze() to rt-test kthreads
2006-07-14 21:53:53 -07:00
rtmutex.c
[PATCH] reference rt-mutex-design in rtmutex.c
2006-07-31 13:28:43 -07:00
rtmutex.h
[PATCH] lockdep: better lock debugging
2006-07-03 15:27:01 -07:00
rwsem.c
[PATCH] lockdep: prove rwsem locking correctness
2006-07-03 15:27:04 -07:00
sched.c
[PATCH] revert "Drop tasklist lock in do_sched_setscheduler"
2006-08-27 11:01:29 -07:00
seccomp.c
…
signal.c
Fix force_sig_info() semantics after cleanups
2006-08-02 20:17:49 -07:00
softirq.c
[PATCH] Reducing local_bh_enable/disable overhead in irqtrace
2006-07-31 13:28:42 -07:00
softlockup.c
[PATCH] cpu hotplug: replace __devinit* with __cpuinit* for cpu notifications
2006-07-31 13:28:39 -07:00
spinlock.c
[PATCH] lockdep: prove spinlock rwlock locking correctness
2006-07-03 15:27:04 -07:00
stacktrace.c
[PATCH] lockdep: stacktrace subsystem, core
2006-07-03 15:27:02 -07:00
stop_machine.c
[PATCH] revert "kthread: convert stop_machine into a kthread"
2006-07-03 21:25:20 -07:00
sys_ni.c
[PATCH] sys_move_pages: 32bit support (i386, x86_64)
2006-06-23 07:42:53 -07:00
sys.c
[PATCH] Fix prctl privilege escalation and suid_dumpable (CVE-2006-2451)
2006-07-12 12:50:25 -07:00
sysctl.c
[PATCH] ZVC/zone_reclaim: Leave 1% of unmapped pagecache pages for file I/O
2006-07-03 15:26:59 -07:00
taskstats.c
[PATCH] taskstats: free skb, avoid returns in send_cpu_listeners
2006-07-31 13:28:37 -07:00
time.c
[PATCH] Time: Introduce arch generic time accessors
2006-06-26 09:58:20 -07:00
timer.c
[PATCH] sys_getppid oopses on debug kernel
2006-08-14 12:54:29 -07:00
uid16.c
[PATCH] Add more prevent_tail_call()
2006-04-19 16:27:18 -07:00
unwind.c
[PATCH] x86_64: allow unwinder to build without module support
2006-06-26 10:48:18 -07:00
user.c
[PATCH] selinux: add hooks for key subsystem
2006-06-22 15:05:55 -07:00
wait.c
[PATCH] uninline init_waitqueue_head()
2006-07-10 13:24:25 -07:00
workqueue.c
[PATCH] workqueue: remove lock_cpu_hotplug()
2006-08-14 12:54:29 -07:00