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Roland McGrath b74d0deb96 Restrict clearing TIF_SIGPENDING 
This patch should get a few birds.  It prevents sigaction calls from
clearing TIF_SIGPENDING in other threads, which could leak -ERESTART*.
And It fixes ptrace_stop not to clear it, which done at the syscall exit
stop could leak -ERESTART*.  It probably removes the harm from signalfd,
at least assuming it never calls dequeue_signal on kernel threads that
might have used block_all_signals.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-06-07 08:52:15 -07:00
..
irq Fix crash with irqpoll due to the IRQF_IRQPOLL flag testing 2007-05-24 08:37:14 -07:00
power power: Fix sizeof(PAGE_SIZE) typo 2007-05-23 20:14:14 -07:00
time timer stats: speedups 2007-06-01 08:18:30 -07:00
.gitignore
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Kconfig.hz
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Kconfig.preempt
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Makefile
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acct.c
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audit.c
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audit.h [PATCH] audit signal recipients 2007-05-11 05:38:25 -04:00
auditfilter.c audit_match_signal() and friends are used only if CONFIG_AUDITSYSCALL is set 2007-05-15 18:56:37 -07:00
auditsc.c [PATCH] Abnormal End of Processes 2007-05-11 05:38:26 -04:00
capability.c
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compat.c signal/timer/event: timerfd compat code 2007-05-11 08:29:36 -07:00
configs.c
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cpu.c microcode: use suspend-related CPU hotplug notifications 2007-05-09 12:30:56 -07:00
cpuset.c
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delayacct.c
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die_notifier.c
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dma.c
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exec_domain.c
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exit.c recalc_sigpending_tsk fixes 2007-05-23 20:14:12 -07:00
extable.c
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fork.c freezer: fix vfork problem 2007-05-23 20:14:11 -07:00
futex.c FUTEX: new PRIVATE futexes 2007-05-09 12:30:55 -07:00
futex_compat.c fix compat futex code for private futexes 2007-06-01 08:18:28 -07:00
hrtimer.c Add suspend-related notifications for CPU hotplug 2007-05-09 12:30:56 -07:00
itimer.c
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kallsyms.c fix possible null ptr deref in kallsyms_lookup 2007-05-30 10:51:38 -07:00
kexec.c
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kfifo.c
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kmod.c wait_for_helper: remove unneeded do_sigaction() 2007-05-09 12:30:53 -07:00
kprobes.c
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ksysfs.c
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kthread.c freezer: fix kthread_create vs freezer theoretical race 2007-05-23 20:14:11 -07:00
latency.c
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lockdep.c
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lockdep_internals.h
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lockdep_proc.c
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module.c
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mutex-debug.c
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mutex-debug.h
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mutex.c wrap access to thread_info 2007-05-09 12:30:56 -07:00
mutex.h
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nsproxy.c
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panic.c
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params.c
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pid.c statically initialize struct pid for swapper 2007-05-11 08:29:35 -07:00
posix-cpu-timers.c
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posix-timers.c
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printk.c
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profile.c Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
ptrace.c [PATCH] auditing ptrace 2007-05-11 05:38:25 -04:00
rcupdate.c Add suspend-related notifications for CPU hotplug 2007-05-09 12:30:56 -07:00
rcutorture.c
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relay.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-05-09 12:54:17 -07:00
resource.c
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rtmutex-debug.c
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rtmutex-debug.h
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rtmutex-tester.c
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rtmutex.c futex_requeue_pi optimization 2007-05-09 12:30:55 -07:00
rtmutex.h
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rtmutex_common.h futex_requeue_pi optimization 2007-05-09 12:30:55 -07:00
rwsem.c
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sched.c Prevent going idle with softirq pending 2007-05-23 20:14:15 -07:00
seccomp.c
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signal.c Restrict clearing TIF_SIGPENDING 2007-06-07 08:52:15 -07:00
softirq.c Add suspend-related notifications for CPU hotplug 2007-05-09 12:30:56 -07:00
softlockup.c Add suspend-related notifications for CPU hotplug 2007-05-09 12:30:56 -07:00
spinlock.c
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srcu.c
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stacktrace.c
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stop_machine.c stop_machine() now uses hard_irq_disable 2007-05-11 08:29:34 -07:00
sys.c attach_pid() with struct pid parameter 2007-05-11 08:29:35 -07:00
sys_ni.c compat signalfd and timerfd are cond syscalls 2007-05-12 10:55:40 -07:00
sysctl.c make sysctl/kernel/core_pattern and fs/exec.c agree on maximum core filename size 2007-05-17 05:23:05 -07:00
taskstats.c
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time.c
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timer.c NOHZ: prevent multiplication overflow - stop timer for huge timeouts 2007-05-29 18:11:10 -07:00
tsacct.c
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uid16.c
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user.c
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utsname.c
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utsname_sysctl.c
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wait.c
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workqueue.c simplify cleanup_workqueue_thread() 2007-05-23 20:14:13 -07:00