Server : LiteSpeed System : Linux in-mum-web1333.main-hosting.eu 4.18.0-553.37.1.lve.el8.x86_64 #1 SMP Mon Feb 10 22:45:17 UTC 2025 x86_64 User : u141265441 ( 141265441) PHP Version : 8.4.3 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail Directory :  /proc/self/root/opt/golang/1.22.0/src/cmd/cgo/internal/testsanitizers/testdata/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

package main

import (
	"fmt"
	"runtime"
	"unsafe"
)

func main() {
	p := new([1024 * 1000]int)
	p[0] = 10
	r := bar(&p[1024*1000-1])
	fmt.Printf("r value is %d", r)
}

func bar(a *int) int {
	p := unsafe.Add(unsafe.Pointer(a), 2*unsafe.Sizeof(int(1)))
	runtime.ASanWrite(p, 8) // BOOM
	*((*int)(p)) = 10
	return *((*int)(p))
}