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Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 598dc06be421..113411bfe8b1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -32,6 +32,7 @@
#include <linux/user_namespace.h>
#include <linux/uprobes.h>
#include <linux/compat.h>
+#include <linux/cn_proc.h>
#define CREATE_TRACE_POINTS
#include <trace/events/signal.h>
@@ -854,12 +855,14 @@ static void ptrace_trap_notify(struct task_struct *t)
* Returns true if the signal should be actually delivered, otherwise
* it should be dropped.
*/
-static int prepare_signal(int sig, struct task_struct *p, bool force)
+static bool prepare_signal(int sig, struct task_struct *p, bool force)
{
struct signal_struct *signal = p->signal;
struct task_struct *t;
- if (unlikely(signal->flags & SIGNAL_GROUP_EXIT)) {
+ if (signal->flags & (SIGNAL_GROUP_EXIT | SIGNAL_GROUP_COREDUMP)) {
+ if (signal->flags & SIGNAL_GROUP_COREDUMP)
+ return sig == SIGKILL;
/*
* The process is in the middle of dying, nothing to do.
*/
@@ -1160,8 +1163,7 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
static void print_fatal_signal(int signr)
{
struct pt_regs *regs = signal_pt_regs();
- printk(KERN_INFO "%s/%d: potentially unexpected fatal signal %d.\n",
- current->comm, task_pid_nr(current), signr);
+ printk(KERN_INFO "potentially unexpected fatal signal %d.\n", signr);
#if defined(__i386__) && !defined(__arch_um__)
printk(KERN_INFO "code at %08lx: ", regs->ip);
@@ -2350,6 +2352,7 @@ relock:
if (sig_kernel_coredump(signr)) {
if (print_fatal_signals)
print_fatal_signal(info->si_signo);
+ proc_coredump_connector(current);
/*
* If it was able to dump core, this kills all
* other threads in the group and synchronizes with