这些错误消息指示对堆栈变量开始之前某个位置的内存访问。 示例- 本地数组下溢 C++ // example1.cpp// stack-buffer-underflow error#include<stdio.h>intmain(){intsubscript =-1;charbuffer[42]; buffer[subscript] =42;// Boom!return0; } 若要生成并测试此示例,请在 Visual Studio 2019 版本 16.9 或更...
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext (longjmp and C++ exceptions *are* supported) SUMMARY: AddressSanitizer: stack-buffer-underflow /builds/J6i_AJma/0/c_programming_autumn/23203/i.bogachenkov/template/lab1-0/src/main.c:87 ...
// example2.cpp // stack-buffer-underflow error #include <windows.h> DWORD WINAPI thread_proc(void *) { int subscript = -1; volatile char stack_buffer[42]; stack_buffer[subscript] = 42; return 0; } int main() { HANDLE thr = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL);...
// example1.cpp // stack-buffer-underflow error #include <stdio.h> int main() { int subscript = -1; char buffer[42]; buffer[subscript] = 42; // Boom! return 0; } Per compilare e testare questo esempio, eseguire questi comandi in un prompt dei comandi per sviluppatori di Visual...
==1888107==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7f8c128e4e40 at pc 0x562a5c420398 bp 0x7ffe1d212bb0 sp 0x7ffe1d212388 READ of size 536870912 at 0x7f8c128e4e40 thread T0 #0 0x562a5c420397 in __interceptor_write (/php-src/sapi/cli/php+0x1c20397) (Build...
(line 147) <== Memory access at offset 0 partially underflows this variable HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork (longjmp and C++ exceptions *are* supported) SUMMARY: AddressSanitizer: stack-buffer-underflow /root/llvm...
stack: This frame has 1 object(s): [32, 40) 'pct' HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext (longjmp and C++ exceptions *are* supported) SUMMARY: AddressSanitizer: stack-buffer-underflow /var/tmp/portage/app-text/ghostscript...
VMware ESXi contains Return-Stack-Buffer-Underflow (CVE-2022-29901, CVE-2022-28693, CVE-2022-26373) and Branch Type Confusion (CVE-2022-23816, CVE-2022-23825) vulnerabilities due to the Intel and AMD processors it utilizes. VMware has evaluated the severity of these issues to be in the ...
The Return Stack Buffer (RSB) is a fixed-size buffer that provides predictions for RET instructions. It can underflow in certain conditions. For example, RSB underflow may occur when a program is returning from a deep call stack due to executing more RETs th...
// example2.cpp// stack-buffer-underflow error#include<windows.h>DWORD WINAPIthread_proc(void*){intsubscript =-1;volatilecharstack_buffer[42]; stack_buffer[subscript] =42;return0; }intmain(){ HANDLE thr = CreateThread(NULL,0, thread_proc,NULL,0,NULL);if(thr ==0)return0; WaitForSingleO...