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-rw-r--r--kernel/compat.c63
-rw-r--r--kernel/fork.c3
-rw-r--r--kernel/irq/chip.c1
-rw-r--r--kernel/irq/irqdesc.c1
-rw-r--r--kernel/sched/core.c2
-rw-r--r--kernel/trace/trace_events.c5
-rw-r--r--kernel/trace/trace_export.c1
7 files changed, 58 insertions, 18 deletions
diff --git a/kernel/compat.c b/kernel/compat.c
index 74ff8498809..d2c67aa49ae 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -372,25 +372,54 @@ asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set)
#ifdef __ARCH_WANT_SYS_SIGPROCMASK
-asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *set,
- compat_old_sigset_t __user *oset)
+/*
+ * sys_sigprocmask SIG_SETMASK sets the first (compat) word of the
+ * blocked set of signals to the supplied signal set
+ */
+static inline void compat_sig_setmask(sigset_t *blocked, compat_sigset_word set)
{
- old_sigset_t s;
- long ret;
- mm_segment_t old_fs;
+ memcpy(blocked->sig, &set, sizeof(set));
+}
- if (set && get_user(s, set))
- return -EFAULT;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_sigprocmask(how,
- set ? (old_sigset_t __user *) &s : NULL,
- oset ? (old_sigset_t __user *) &s : NULL);
- set_fs(old_fs);
- if (ret == 0)
- if (oset)
- ret = put_user(s, oset);
- return ret;
+asmlinkage long compat_sys_sigprocmask(int how,
+ compat_old_sigset_t __user *nset,
+ compat_old_sigset_t __user *oset)
+{
+ old_sigset_t old_set, new_set;
+ sigset_t new_blocked;
+
+ old_set = current->blocked.sig[0];
+
+ if (nset) {
+ if (get_user(new_set, nset))
+ return -EFAULT;
+ new_set &= ~(sigmask(SIGKILL) | sigmask(SIGSTOP));
+
+ new_blocked = current->blocked;
+
+ switch (how) {
+ case SIG_BLOCK:
+ sigaddsetmask(&new_blocked, new_set);
+ break;
+ case SIG_UNBLOCK:
+ sigdelsetmask(&new_blocked, new_set);
+ break;
+ case SIG_SETMASK:
+ compat_sig_setmask(&new_blocked, new_set);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ set_current_blocked(&new_blocked);
+ }
+
+ if (oset) {
+ if (put_user(old_set, oset))
+ return -EFAULT;
+ }
+
+ return 0;
}
#endif
diff --git a/kernel/fork.c b/kernel/fork.c
index b9372a0bff1..687a15d5624 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -47,6 +47,7 @@
#include <linux/audit.h>
#include <linux/memcontrol.h>
#include <linux/ftrace.h>
+#include <linux/proc_fs.h>
#include <linux/profile.h>
#include <linux/rmap.h>
#include <linux/ksm.h>
@@ -1464,6 +1465,8 @@ bad_fork_cleanup_io:
if (p->io_context)
exit_io_context(p);
bad_fork_cleanup_namespaces:
+ if (unlikely(clone_flags & CLONE_NEWPID))
+ pid_ns_release_proc(p->nsproxy->pid_ns);
exit_task_namespaces(p);
bad_fork_cleanup_mm:
if (p->mm)
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 6080f6bc8c3..3914c1e03cf 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -518,6 +518,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
out_unlock:
raw_spin_unlock(&desc->lock);
}
+EXPORT_SYMBOL(handle_edge_irq);
#ifdef CONFIG_IRQ_EDGE_EOI_HANDLER
/**
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index d86e254b95e..192a302d6cf 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -112,6 +112,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
{
return radix_tree_lookup(&irq_desc_tree, irq);
}
+EXPORT_SYMBOL(irq_to_desc);
static void delete_irq_desc(unsigned int irq)
{
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 0533a688ce2..e5212ae294f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6382,6 +6382,8 @@ static int __sdt_alloc(const struct cpumask *cpu_map)
if (!sg)
return -ENOMEM;
+ sg->next = sg;
+
*per_cpu_ptr(sdd->sg, j) = sg;
sgp = kzalloc_node(sizeof(struct sched_group_power),
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 079a93ae8a9..29111da1d10 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -294,6 +294,9 @@ static int __ftrace_set_clr_event(const char *match, const char *sub,
if (!call->name || !call->class || !call->class->reg)
continue;
+ if (call->flags & TRACE_EVENT_FL_IGNORE_ENABLE)
+ continue;
+
if (match &&
strcmp(match, call->name) != 0 &&
strcmp(match, call->class->system) != 0)
@@ -1164,7 +1167,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
return -1;
}
- if (call->class->reg)
+ if (call->class->reg && !(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE))
trace_create_file("enable", 0644, call->dir, call,
enable);
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 3dd15e8bc85..e039906b037 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -180,6 +180,7 @@ struct ftrace_event_call __used event_##call = { \
.event.type = etype, \
.class = &event_class_ftrace_##call, \
.print_fmt = print, \
+ .flags = TRACE_EVENT_FL_IGNORE_ENABLE, \
}; \
struct ftrace_event_call __used \
__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call;