Oleg Nesterov 53b4378e4f usermodehelper: check subprocess_info->path != NULL ... commit 264b83c07a84223f0efd0d1db9ccc66d6f88288f upstream. argv_split(empty_or_all_spaces) happily succeeds, it simply returns argc == 0 and argv[0] == NULL. Change call_usermodehelper_exec() to check sub_info->path != NULL to avoid the crash. This is the minimal fix, todo: - perhaps we should change argv_split() to return NULL or change the callers. - kill or justify ->path[0] check - narrow the scope of helper_lock() Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-By: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2013-05-19 10:54:50 -07:00
..
debug	kdb,vt_console: Fix missed data due to pager overruns	2012-10-21 09:27:59 -07:00
events	perf: Treat attr.config as u64 in perf_swevent_init()	2013-04-25 21:19:55 -07:00
gcov	…
irq	genirq: Avoid deadlock in spurious handling	2013-02-28 06:58:58 -08:00
power	…
sched	sched: Convert BUG_ON()s in try_to_wake_up_local() to WARN_ON_ONCE()s	2013-04-25 21:19:55 -07:00
time	tick: Cleanup NOHZ per cpu data on cpu down	2013-05-19 10:54:40 -07:00
trace	tracing: Fix leaks of filter preds	2013-05-19 10:54:40 -07:00
.gitignore	…
Kconfig.freezer	…
Kconfig.hz	…
Kconfig.locks	…
Kconfig.preempt	…
Makefile	…
acct.c	…
async.c	…
audit.c	…
audit.h	…
audit_tree.c	kernel/audit_tree.c: tree will leak memory when failure occurs in audit_trim_trees()	2013-05-11 13:48:14 -07:00
audit_watch.c	…
auditfilter.c	…
auditsc.c	…
backtracetest.c	…
bounds.c	…
capability.c	…
cgroup.c	cgroup: fix an off-by-one bug which may trigger BUG_ON()	2013-05-07 19:51:56 -07:00
cgroup_freezer.c	…
compat.c	…
configs.c	…
cpu.c	…
cpu_pm.c	…
cpuset.c	cpuset: fix cpuset_print_task_mems_allowed() vs rename() race	2013-03-04 06:06:44 +08:00
crash_dump.c	…
cred.c	…
delayacct.c	…
dma.c	…
elfcore.c	…
exec_domain.c	…
exit.c	…
extable.c	…
fork.c	…
freezer.c	…
futex.c	futex: Revert "futex: Mark get_robust_list as deprecated"	2013-02-28 06:59:01 -08:00
futex_compat.c	futex: Revert "futex: Mark get_robust_list as deprecated"	2013-02-28 06:59:01 -08:00
groups.c	…
hrtimer.c	hrtimer: Add expiry time overflow check in hrtimer_interrupt	2013-05-07 19:51:55 -07:00
hung_task.c	…
irq_work.c	…
itimer.c	…
jump_label.c	…
kallsyms.c	…
kexec.c	…
kfifo.c	…
kmod.c	usermodehelper: check subprocess_info->path != NULL	2013-05-19 10:54:50 -07:00
kprobes.c	…
ksysfs.c	…
kthread.c	…
latencytop.c	…
lockdep.c	…
lockdep_internals.h	…
lockdep_proc.c	…
lockdep_states.h	…
module.c	module: fix out-by-one error in kallsyms	2012-11-26 11:37:41 -08:00
mutex-debug.c	…
mutex-debug.h	…
mutex.c	…
mutex.h	…
notifier.c	…
nsproxy.c	…
padata.c	…
panic.c	panic: fix a possible deadlock in panic()	2013-04-12 09:38:47 -07:00
params.c	…
pid.c	…
pid_namespace.c	…
posix-cpu-timers.c	posix-cpu-timers: Fix nanosleep task_struct leak	2013-02-28 06:58:59 -08:00
posix-timers.c	posix-timer: Don't call idr_find() with out-of-range ID	2013-03-04 06:06:38 +08:00
printk.c	printk: fix buffer overflow when calling log_prefix function from call_console_drivers	2013-02-21 10:04:57 -08:00
profile.c	…
ptrace.c	ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL	2013-01-27 20:47:43 -08:00
range.c	…
rcu.h	…
rcupdate.c	…
rcutiny.c	…
rcutiny_plugin.h	…
rcutorture.c	…
rcutree.c	rcu: Fix batch-limit size problem	2012-12-17 10:37:46 -08:00
rcutree.h	…
rcutree_plugin.h	…
rcutree_trace.c	…
relay.c	…
res_counter.c	…
resource.c	kernel/resource.c: fix stack overflow in __reserve_region_with_split()	2013-02-14 10:48:53 -08:00
rtmutex-debug.c	…
rtmutex-debug.h	…
rtmutex-tester.c	…
rtmutex.c	…
rtmutex.h	…
rtmutex_common.h	…
rwsem.c	…
seccomp.c	…
semaphore.c	…
signal.c	kernel/signal.c: stop info leak via the tkill and the tgkill syscalls	2013-04-25 21:19:54 -07:00
smp.c	smp: Fix SMP function call empty cpu mask race	2013-02-03 18:24:42 -06:00
softirq.c	…
spinlock.c	…
srcu.c	…
stacktrace.c	…
stop_machine.c	…
sys.c	PM / reboot: call syscore_shutdown() after disable_nonboot_cpus()	2013-04-16 21:27:26 -07:00
sys_ni.c	…
sysctl.c	…
sysctl_binary.c	sysctl: fix null checking in bin_dn_node_address()	2013-03-04 06:06:41 +08:00
taskstats.c	…
test_kprobes.c	…
time.c	…
timeconst.pl	timeconst.pl: Eliminate Perl warning	2013-02-28 06:58:58 -08:00
timer.c	timer: Don't reinitialize the cpu base lock during CPU_UP_PREPARE	2013-05-19 10:54:39 -07:00
tracepoint.c	…
tsacct.c	…
uid16.c	…
up.c	…
user-return-notifier.c	…
user.c	…
user_namespace.c	…
utsname.c	…
utsname_sysctl.c	…
wait.c	…
watchdog.c	watchdog: using u64 in get_sample_period()	2012-12-03 11:47:17 -08:00
workqueue.c	workqueue: convert BUG_ON()s in __queue_delayed_work() to WARN_ON_ONCE()s	2012-12-17 10:37:43 -08:00
workqueue_sched.h	…