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Li Zefan 04ec93fe9b fork.c: fix NULL pointer dereference when nr_threads == threads-max 
I happened to forked lots of processes, and hit NULL pointer dereference.
It is because in copy_process() after checking max_threads, 0 is returned
but not -EAGAIN.

The bug is introduced by "CRED: Detach the credentials from task_struct"
(commit f1752eec6145c97163dbce62d17cf5d928e28a27).

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-06 08:43:11 -08:00
..
irq
Merge branch 'core/xen' into x86/urgent
2009-02-04 14:54:56 +01:00
power
Hibernation: Introduce system_entering_hibernation
2009-01-27 02:15:45 -05:00
time
hrtimers: allow the hot-unplugging of all cpus
2009-01-30 22:35:29 +01:00
trace
ftrace: do_each_pid_task() needs rcu lock
2009-02-03 22:50:58 +01:00
.gitignore
…
acct.c
[CVE-2009-0029] System call wrappers part 04
2009-01-14 14:15:19 +01:00
async.c
kernel/async.c: fix printk warnings
2009-02-05 12:56:46 -08:00
audit_tree.c
…
audit.c
…
audit.h
…
auditfilter.c
…
auditsc.c
…
backtracetest.c
…
bounds.c
…
capability.c
[CVE-2009-0029] System call wrappers part 04
2009-01-14 14:15:19 +01:00
cgroup_debug.c
…
cgroup_freezer.c
…
cgroup.c
cgroup: fix root_count when mount fails due to busy subsystem
2009-01-29 18:04:45 -08:00
compat.c
…
configs.c
…
cpu.c
…
cpuset.c
cpuset: fix possible deadlock in async_rebuild_sched_domains
2009-01-19 02:44:00 +01:00
cred-internals.h
…
cred.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
2009-01-09 13:59:25 -08:00
delayacct.c
…
dma-coherent.c
dma-coherent: Restore dma_alloc_from_coherent() large alloc fall back policy.
2009-01-21 18:51:53 +09:00
dma.c
…
exec_domain.c
[CVE-2009-0029] System call wrappers part 04
2009-01-14 14:15:19 +01:00
exit.c
[CVE-2009-0029] System call wrappers part 08
2009-01-14 14:15:21 +01:00
extable.c
…
fork.c
fork.c: fix NULL pointer dereference when nr_threads == threads-max
2009-02-06 08:43:11 -08:00
freezer.c
…
futex_compat.c
…
futex.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
hrtimer.c
hrtimer: prevent negative expiry value after clock_was_set()
2009-01-30 22:35:34 +01:00
itimer.c
[CVE-2009-0029] System call wrappers part 05
2009-01-14 14:15:20 +01:00
kallsyms.c
Revert "kbuild: strip generated symbols from *.ko"
2009-01-14 21:38:20 +01:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.preempt
…
kexec.c
[CVE-2009-0029] System call wrappers part 07
2009-01-14 14:15:20 +01:00
kfifo.c
…
kgdb.c
…
kmod.c
…
kprobes.c
kprobes: check CONFIG_FREEZER instead of CONFIG_PM
2009-01-16 14:32:17 -05:00
ksysfs.c
…
kthread.c
…
latencytop.c
…
lockdep_internals.h
…
lockdep_proc.c
…
lockdep.c
…
Makefile
kernel/up.c: omit it if SMP=y, USE_GENERIC_SMP_HELPERS=n
2009-01-14 09:42:11 -08:00
marker.c
…
module.c
modules: Use a better scheme for refcounting
2009-02-02 19:17:55 -08:00
mutex-debug.c
…
mutex-debug.h
…
mutex.c
…
mutex.h
…
notifier.c
…
ns_cgroup.c
…
nsproxy.c
…
panic.c
…
params.c
…
pid_namespace.c
…
pid.c
…
pm_qos_params.c
…
posix-cpu-timers.c
…
posix-timers.c
[CVE-2009-0029] System call wrappers part 05
2009-01-14 14:15:20 +01:00
printk.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
profile.c
…
ptrace.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
rcuclassic.c
rcu: add __cpuinit to rcu_init_percpu_data()
2009-01-14 11:26:40 +01:00
rcupdate.c
…
rcupreempt_trace.c
…
rcupreempt.c
…
rcutorture.c
…
rcutree_trace.c
…
rcutree.c
rcu: add __cpuinit to rcu_init_percpu_data()
2009-01-14 11:26:40 +01:00
relay.c
relay: fix lock imbalance in relay_late_setup_files
2009-01-18 20:29:35 +01:00
res_counter.c
…
resource.c
resources: fix parameter name and kernel-doc
2009-01-15 16:39:38 -08:00
rtmutex_common.h
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rtmutex-debug.c
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rtmutex-debug.h
…
rtmutex-tester.c
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rtmutex.c
…
rtmutex.h
…
rwsem.c
…
sched_clock.c
…
sched_cpupri.c
…
sched_cpupri.h
…
sched_debug.c
sched: partly revert "sched debug: remove NULL checking in print_cfs_rt_rq()"
2009-01-11 02:40:32 +01:00
sched_fair.c
sched: fix buddie group latency
2009-02-01 10:49:51 +01:00
sched_features.h
…
sched_idletask.c
…
sched_rt.c
sched_rt: don't use first_cpu on cpumask created with cpumask_and
2009-02-01 10:49:52 +01:00
sched_stats.h
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sched.c
wait: prevent exclusive waiter starvation
2009-02-05 12:56:48 -08:00
seccomp.c
…
semaphore.c
…
signal.c
signals, debug: fix BUG: using smp_processor_id() in preemptible code in print_fatal_signal()
2009-01-27 00:36:19 +01:00
smp.c
generic-ipi: use per cpu data for single cpu ipi calls
2009-01-30 18:31:08 +01:00
softirq.c
…
softlockup.c
softlock: fix false panic which can occur if softlockup_thresh is reduced
2009-01-14 11:48:07 +01:00
spinlock.c
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srcu.c
…
stacktrace.c
…
stop_machine.c
…
sys_ni.c
[CVE-2009-0029] Make sys_syslog a conditional system call
2009-01-14 14:15:16 +01:00
sys.c
revert "rlimit: permit setting RLIMIT_NOFILE to RLIM_INFINITY"
2009-02-05 12:56:47 -08:00
sysctl_check.c
…
sysctl.c
Merge branch 'core/debugobjects' into core/urgent
2009-01-22 10:03:02 +01:00
taskstats.c
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test_kprobes.c
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time.c
[CVE-2009-0029] System call wrappers part 01
2009-01-14 14:15:18 +01:00
timeconst.pl
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timer.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
tracepoint.c
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tsacct.c
…
uid16.c
[CVE-2009-0029] System call wrappers part 19
2009-01-14 14:15:26 +01:00
up.c
smp_call_function_single(): be slightly less stupid, fix #2
2009-01-12 16:04:37 +01:00
user_namespace.c
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user.c
…
utsname_sysctl.c
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utsname.c
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wait.c
wait: prevent exclusive waiter starvation
2009-02-05 12:56:48 -08:00
workqueue.c
work_on_cpu: Use our own workqueue.
2009-01-19 22:36:07 +01:00