diff --git a/src/runtime/pprof/pprof_test.go b/src/runtime/pprof/pprof_test.go
index 64e03aeccfb96..20b44e1e013a9 100644
--- a/src/runtime/pprof/pprof_test.go
+++ b/src/runtime/pprof/pprof_test.go
@@ -1183,6 +1183,32 @@ func TestTryAdd(t *testing.T) {
 			{Value: []int64{30, 30 * period}, Location: []*profile.Location{{ID: 1}, {ID: 1}}},
 			{Value: []int64{40, 40 * period}, Location: []*profile.Location{{ID: 1}}},
 		},
+	}, {
+		name: "truncated_stack_trace_later",
+		input: []uint64{
+			3, 0, 500, // hz = 500. Must match the period.
+			5, 0, 50, inlinedCalleePtr, inlinedCallerPtr,
+			4, 0, 60, inlinedCalleePtr,
+		},
+		wantLocs: [][]string{{"runtime/pprof.inlinedCallee", "runtime/pprof.inlinedCaller"}},
+		wantSamples: []*profile.Sample{
+			{Value: []int64{50, 50 * period}, Location: []*profile.Location{{ID: 1}}},
+			{Value: []int64{60, 60 * period}, Location: []*profile.Location{{ID: 1}}},
+		},
+	}, {
+		name: "truncated_stack_trace_first",
+		input: []uint64{
+			3, 0, 500, // hz = 500. Must match the period.
+			4, 0, 70, inlinedCalleePtr,
+			5, 0, 80, inlinedCalleePtr, inlinedCallerPtr,
+		},
+		wantLocs: [][]string{ // the inline info is screwed up, but better than a crash.
+			{"runtime/pprof.inlinedCallee"},
+			{"runtime/pprof.inlinedCaller"}},
+		wantSamples: []*profile.Sample{
+			{Value: []int64{70, 70 * period}, Location: []*profile.Location{{ID: 1}}},
+			{Value: []int64{80, 80 * period}, Location: []*profile.Location{{ID: 1}, {ID: 2}}},
+		},
 	}}
 
 	for _, tc := range testCases {
diff --git a/src/runtime/pprof/proto.go b/src/runtime/pprof/proto.go
index a42cd80c153b2..8a30c7151d270 100644
--- a/src/runtime/pprof/proto.go
+++ b/src/runtime/pprof/proto.go
@@ -394,7 +394,23 @@ func (b *profileBuilder) appendLocsForStack(locs []uint64, stk []uintptr) (newLo
 
 			// then, record the cached location.
 			locs = append(locs, l.id)
-			stk = stk[len(l.pcs):] // skip the matching pcs.
+
+			// The stk may be truncated due to the stack depth limit
+			// (e.g. See maxStack and maxCPUProfStack in runtime) or
+			// bugs in runtime. Avoid the crash in either case.
+			// TODO(hyangah): The correct fix may require using the exact
+			// pcs as the key for b.locs cache management instead of just
+			// relying on the very first pc. We are late in the go1.14 dev
+			// cycle, so this is a workaround with little code change.
+			if len(l.pcs) > len(stk) {
+				stk = nil
+				// TODO(hyangah): would be nice if we can enable
+				// debug print out on demand and report the problematic
+				// cached location entry and stack traces. Do we already
+				// have such facility to utilize (e.g. GODEBUG)?
+			} else {
+				stk = stk[len(l.pcs):] // skip the matching pcs.
+			}
 			continue
 		}