From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue8158.go | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 test/fixedbugs/issue8158.go (limited to 'test/fixedbugs/issue8158.go') diff --git a/test/fixedbugs/issue8158.go b/test/fixedbugs/issue8158.go new file mode 100644 index 0000000..150b338 --- /dev/null +++ b/test/fixedbugs/issue8158.go @@ -0,0 +1,41 @@ +// run + +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "runtime" + "time" +) + +func main() { + c := make(chan bool, 1) + go f1(c) + <-c + time.Sleep(10 * time.Millisecond) + go f2(c) + <-c +} + +func f1(done chan bool) { + defer func() { + recover() + done <- true + runtime.Goexit() // left stack-allocated Panic struct on gp->panic stack + }() + panic("p") +} + +func f2(done chan bool) { + defer func() { + recover() + done <- true + runtime.Goexit() + }() + time.Sleep(10 * time.Millisecond) // overwrote Panic struct with Timer struct + runtime.GC() // walked gp->panic list, found mangled Panic struct, crashed + panic("p") +} -- cgit v1.2.3