fix incorrect fi.funcdata[_FUNCDATA_StackObjects]

pkujhd · Mar 9, 2020 · 7ab2230 · 7ab2230
1 parent 499d1eb
commit 7ab2230
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/dymcode.1.12.go b/dymcode.1.12.go
@@ -9,7 +9,7 @@ import (
 )
 
 func AddStackObject(code *CodeReloc, fi *funcInfoData, seg *segment, symPtr map[string]uintptr) {
-	if len(fi.funcdata) > _FUNCDATA_StackObjects {
+	if len(fi.funcdata) > _FUNCDATA_StackObjects && fi.funcdata[_FUNCDATA_StackObjects] != 0xFFFFFFFFF {
 		stackObjectRecordSize := unsafe.Sizeof(stackObjectRecord{})
 		b := code.Mod.stkmaps[fi.funcdata[_FUNCDATA_StackObjects]]
 		n := *(*int)(unsafe.Pointer(&b[0]))