D21767.1775786925.diff
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D21767.1775786925.diff
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	Index: head/sys/kern/kern_exec.c
	===================================================================
	--- head/sys/kern/kern_exec.c
	+++ head/sys/kern/kern_exec.c
	@@ -981,8 +981,10 @@
	if (ma[0]->valid != VM_PAGE_BITS_ALL) {
	vm_page_xbusy(ma[0]);
	if (!vm_pager_has_page(object, 0, NULL, &after)) {
	- vm_page_unwire_noq(ma[0]);
	- vm_page_free(ma[0]);
	+ if (vm_page_unwire_noq(ma[0]))
	+ vm_page_free(ma[0]);
	+ else
	+ vm_page_xunbusy(ma[0]);
	VM_OBJECT_WUNLOCK(object);
	return (EIO);
	}
	@@ -1006,9 +1008,16 @@
	initial_pagein = i;
	rv = vm_pager_get_pages(object, ma, initial_pagein, NULL, NULL);
	if (rv != VM_PAGER_OK) {
	- vm_page_unwire_noq(ma[0]);
	- for (i = 0; i < initial_pagein; i++)
	- vm_page_free(ma[i]);
	+ if (vm_page_unwire_noq(ma[0]))
	+ vm_page_free(ma[0]);
	+ else
	+ vm_page_xunbusy(ma[0]);
	+ for (i = 1; i < initial_pagein; i++) {
	+ if (!vm_page_wired(ma[i]))
	+ vm_page_free(ma[i]);
	+ else
	+ vm_page_xunbusy(ma[i]);
	+ }
	VM_OBJECT_WUNLOCK(object);
	return (EIO);
	}