D33070.diff
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

D33070.diff
View Options

	diff --git a/tests/sys/kern/coredump_phnum_helper.c b/tests/sys/kern/coredump_phnum_helper.c
	--- a/tests/sys/kern/coredump_phnum_helper.c
	+++ b/tests/sys/kern/coredump_phnum_helper.c
	@@ -42,18 +42,21 @@
	main(int argc __unused, char **argv __unused)
	{
	void *v;
	- unsigned i;
	+ size_t i, pages;

	- for (i = 0; i < UINT16_MAX + 1000; i++) {
	+ pages = UINT16_MAX + 1000;
	+ v = mmap(NULL, pages * PAGE_SIZE, PROT_READ \| PROT_WRITE,
	+ MAP_ANON \| MAP_PRIVATE, -1, 0);
	+ if (v == NULL)
	+ err(1, "mmap");
	+ for (i = 0; i < pages; i += 2) {
	/*
	- * Alternate protections; otherwise the kernel will just extend
	- * the adjacent same-protection previous mapping.
	+ * Alternate protections to interleave RW and R PT_LOAD
	+ * segments.
	*/
	- v = mmap(NULL, PAGE_SIZE,
	- (((i % 2) == 0) ? PROT_READ : 0) \| PROT_WRITE,
	- MAP_ANON \| MAP_PRIVATE, -1, 0);
	- if (v == MAP_FAILED)
	- err(1, "mmap");
	+ if (mprotect((char )v + i PAGE_SIZE, PAGE_SIZE,
	+ PROT_READ) != 0)
	+ err(1, "mprotect");
	}

	/* Dump core. */