fixes

rooootdev · web-flow · commit fd425f4dcd8f · 2026-05-25T00:33:58.000+02:00
diff --git a/lara/kexploit/darksword.m b/lara/kexploit/darksword.m
@@ -1515,10 +1515,14 @@ uint64_t ds_get_our_task(void) {
 
 bool ds_isvalid(uint64_t value) {
     if (!value) {
-        return NO;
+        return false;
     }
-    if (VM_MIN_KERNEL_ADDRESS && VM_MAX_KERNEL_ADDRESS) {
-        return value >= VM_MIN_KERNEL_ADDRESS && value <= VM_MAX_KERNEL_ADDRESS;
+
+    uint16_t top_bits = (value >> 48) & 0xFFFF;
+
+    if (top_bits == 0xFFFF || top_bits == 0xFFFE) {
+        return true;
     }
-    return (value & 0xffff000000000000ULL) == 0xffff000000000000ULL;
+
+    return false;
 }

Original file line number	Diff line number	Diff line change
`@@ -1515,10 +1515,14 @@ uint64_t ds_get_our_task(void) {`
`1515`	`1515`
`1516`	`1516`	`bool ds_isvalid(uint64_t value) {`
`1517`	`1517`	`if (!value) {`
`1518`		`- return NO;`
	`1518`	`+ return false;`
`1519`	`1519`	`}`
`1520`		`- if (VM_MIN_KERNEL_ADDRESS && VM_MAX_KERNEL_ADDRESS) {`
`1521`		`- return value >= VM_MIN_KERNEL_ADDRESS && value <= VM_MAX_KERNEL_ADDRESS;`
	`1520`	`+`
	`1521`	`+ uint16_t top_bits = (value >> 48) & 0xFFFF;`
	`1522`	`+`
	`1523`	`+ if (top_bits == 0xFFFF \|\| top_bits == 0xFFFE) {`
	`1524`	`+ return true;`
`1522`	`1525`	`}`
`1523`		`- return (value & 0xffff000000000000ULL) == 0xffff000000000000ULL;`
	`1526`	`+`
	`1527`	`+ return false;`
`1524`	`1528`	`}`