@@ -921,6 +921,20 @@ lives in) pid namespace. When selecting a pid for a next task on fork
 kernel tries to allocate a number starting from this one.
 
 
+pkill_on_warn
+=============
+
+Kills all threads in a process that provoked a kernel warning.
+That allows the kernel to stop the process when the first signs
+of wrong behavior are detected.
+
+= =====================================================================
+0 Allows a process to proceed execution after hitting a kernel warning,
+  this is the default behavior.
+1 Kills all threads in a process that provoked a kernel warning.
+= =====================================================================
+
+
 powersave-nap (PPC only)
 ========================
 

@@ -94,8 +94,10 @@ void warn_slowpath_fmt(const char *file, const int line, unsigned taint,
 #ifndef WARN_ON_ONCE
 #define WARN_ON_ONCE(condition) ({					\
 	int __ret_warn_on = !!(condition);				\
-	if (unlikely(__ret_warn_on))					\
+	if (unlikely(__ret_warn_on)) {					\
 		DO_ONCE_LITE(__WARN_printf, TAINT_WARN, NULL);		\
+		do_pkill_on_warn();					\
+	}								\
 	unlikely(__ret_warn_on);					\
 })
 #endif

@@ -151,15 +153,19 @@ void __warn(const char *file, int line, void *caller, unsigned taint,
 
 #define WARN_ONCE(condition, format...) ({				\
 	int __ret_warn_on = !!(condition);				\
-	if (unlikely(__ret_warn_on))					\
+	if (unlikely(__ret_warn_on)) {					\
 		DO_ONCE_LITE(__WARN_printf, TAINT_WARN, format);	\
+		do_pkill_on_warn();					\
+	}								\
 	unlikely(__ret_warn_on);					\
 })
 
 #define WARN_TAINT_ONCE(condition, taint, format...) ({			\
 	int __ret_warn_on = !!(condition);				\
-	if (unlikely(__ret_warn_on))					\
+	if (unlikely(__ret_warn_on)) {					\
 		DO_ONCE_LITE(__WARN_printf, taint, format);		\
+		do_pkill_on_warn();					\
+	}								\
 	unlikely(__ret_warn_on);					\
 })
 

@@ -27,6 +27,9 @@ extern int panic_on_oops;
 extern int panic_on_unrecovered_nmi;
 extern int panic_on_io_nmi;
 extern int panic_on_warn;
+extern int pkill_on_warn;
+
+extern void do_pkill_on_warn(void);
 
 extern unsigned long panic_on_taint;
 extern bool panic_on_taint_nousertaint;

@@ -53,6 +53,7 @@ static int pause_on_oops_flag;
 static DEFINE_SPINLOCK(pause_on_oops_lock);
 bool crash_kexec_post_notifiers;
 int panic_on_warn __read_mostly;
+int pkill_on_warn __read_mostly;
 unsigned long panic_on_taint;
 bool panic_on_taint_nousertaint = false;
 

@@ -625,13 +626,16 @@ void warn_slowpath_fmt(const char *file, int line, unsigned taint,
 	if (!fmt) {
 		__warn(file, line, __builtin_return_address(0), taint,
 		       NULL, NULL);
-		return;
+		goto out;
 	}
 
 	args.fmt = fmt;
 	va_start(args.args, fmt);
 	__warn(file, line, __builtin_return_address(0), taint, NULL, &args);
 	va_end(args.args);
+
+out:
+	do_pkill_on_warn();
 }
 EXPORT_SYMBOL(warn_slowpath_fmt);
 #else

@@ -732,3 +736,19 @@ static int __init panic_on_taint_setup(char *s)
 	return 0;
 }
 early_param("panic_on_taint", panic_on_taint_setup);
+
+void do_pkill_on_warn(void)
+{
+	if (!pkill_on_warn)
+		return;
+
+	if (is_global_init(current))
+		return;
+
+	if (current->flags & PF_KTHREAD)
+		return;
+
+	if (system_state >= SYSTEM_RUNNING)
+		do_send_sig_info(SIGKILL, SEND_SIG_PRIV, current, PIDTYPE_TGID);
+}
+EXPORT_SYMBOL(do_pkill_on_warn);

@@ -2656,6 +2656,15 @@ static struct ctl_table kern_table[] = {
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= SYSCTL_ONE,
 	},
+		{
+		.procname	= "pkill_on_warn",
+		.data		= &pkill_on_warn,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_ONE,
+	},
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
 	{
 		.procname	= "timer_migration",

@@ -214,6 +214,9 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
 	bug_type = BUG_TRAP_TYPE_BUG;
 
 out:
+	if (bug_type == BUG_TRAP_TYPE_WARN)
+		do_pkill_on_warn();
+
 	return bug_type;
 }