D24599.diff
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	Index: head/bin/sh/memalloc.c
	===================================================================
	--- head/bin/sh/memalloc.c
	+++ head/bin/sh/memalloc.c
	@@ -50,6 +50,13 @@
	#include <stdlib.h>
	#include <unistd.h>

	+static void
	+badalloc(const char *message)
	+{
	+ write(2, message, strlen(message));
	+ abort();
	+}
	+
	/*
	* Like malloc, but returns an error when out of space.
	*/
	@@ -59,9 +66,9 @@
	{
	pointer p;

	- INTOFF;
	+ if (!is_int_on())
	+ badalloc("Unsafe ckmalloc() call\n");
	p = malloc(nbytes);
	- INTON;
	if (p == NULL)
	error("Out of space");
	return p;
	@@ -75,9 +82,9 @@
	pointer
	ckrealloc(pointer p, int nbytes)
	{
	- INTOFF;
	+ if (!is_int_on())
	+ badalloc("Unsafe ckrealloc() call\n");
	p = realloc(p, nbytes);
	- INTON;
	if (p == NULL)
	error("Out of space");
	return p;
	@@ -86,9 +93,9 @@
	void
	ckfree(pointer p)
	{
	- INTOFF;
	+ if (!is_int_on())
	+ badalloc("Unsafe ckfree() call\n");
	free(p);
	- INTON;
	}