diff --git a/src/cmd/internal/obj/loong64/obj.go b/src/cmd/internal/obj/loong64/obj.go
index dc05e18c7d..0c1f5c029d 100644
--- a/src/cmd/internal/obj/loong64/obj.go
+++ b/src/cmd/internal/obj/loong64/obj.go
@@ -260,6 +260,20 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
 				q.Spadj = +autosize
 
 				q = c.ctxt.EndUnsafePoint(q, c.newprog, -1)
+
+				// On Linux, in a cgo binary we may get a SIGSETXID signal early on
+				// before the signal stack is set, as glibc doesn't allow us to block
+				// SIGSETXID. So a signal may land on the current stack and clobber
+				// the content below the SP. We store the LR again after the SP is
+				// decremented.
+				q = obj.Appendp(q, newprog)
+				q.As = mov
+				q.Pos = p.Pos
+				q.From.Type = obj.TYPE_REG
+				q.From.Reg = REGLINK
+				q.To.Type = obj.TYPE_MEM
+				q.To.Offset = 0
+				q.To.Reg = REGSP
 			}
 
 			if c.cursym.Func().Text.From.Sym.Wrapper() && c.cursym.Func().Text.Mark&LEAF == 0 {