症状
您有一个应用程序被配置为针对 x64 生成使用的 Msvcr90.dll 文件的平台。应用程序调用strncpy函数。当您运行应用程序时,可能会在 Visual Studio 实时调试器窗口中收到以下错误消息︰
Application_name中发生未处理的 win32 异常
检查调用堆栈时,您可能会发现在 Msvcr90.dll 文件中引发访问冲突,应用程序停止响应strncpy函数中。满足以下条件时,会发生此问题:
-
源缓冲区扩展到已分配的页的结尾。
-
此页之后的下一个字节不属于正在运行的进程。
-
要复制长度为偶数的 8 倍。
-
要复制的长度包含源缓冲区的最后一个字节。
原因
发生此问题是因为strncpy函数尝试在源缓冲区后访问下一个字节。通过新的某些 CRT 库函数的优化引入了此问题。
解决方案
修补程序信息
受支持的修补程序现已从 Microsoft 推出。但是,它被用于纠正本文中描述的问题。它仅应用于正经历此特定问题的系统。此修补程序可能会接受进一步的测试。因此,如果这个问题没有对您造成严重的影响,我们建议您等待包含此修复程序的下一步的 Visual Studio 2008 service pack。
要立即解决此问题,请联系 Microsoft 客户支持服务,以获取此修复程序。Microsoft 客户支持服务的电话号码以及有关支持费用的信息的完整列表,请访问下面的 Microsoft 网站:
http://support.microsoft.com/contactus/?ws=support注意:在特殊情况下,如果 Microsoft 支持专业人员确定某个特定的更新能够解决您的问题,可能取消的通常情况下收取的电话支持服务费用。照常收取支持费用将应用于其他支持问题和对于特定更新无法解决的问题。
系统必备组件
您必须具有要应用此修补程序的安装的 Visual Studio 2008 Service Pack 1。
重启要求
应用此修补程序后,不需要重新启动计算机。
修补程序替换信息
此修补程序不替换任何其他修补程序。
文件信息
此修复程序的英文版具有的文件属性 (或更新的文件属性)在下表中列出。日期和为这些文件的时间以协调世界时 (UTC) 列出。当您查看文件信息时,它将转换为本地时间。要了解 UTC 与本地时间之间的时差,请使用控制面板中的日期和时间项中的时区选项卡。
文件名称 |
文件版本 |
文件大小 |
日期 |
时间 |
平台 |
---|---|---|---|---|---|
Atl90.dll |
9.0.30729.162 |
159,552 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90.dll |
9.0.30729.162 |
5,084,480 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90.dll |
9.0.30729.162 |
3,766,080 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90chs.dll |
9.0.30729.162 |
36,680 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90chs.dll |
9.0.30729.162 |
36,680 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90cht.dll |
9.0.30729.162 |
37,704 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90cht.dll |
9.0.30729.162 |
37,704 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90d.dll |
9.0.30729.162 |
7,419,200 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90d.dll |
9.0.30729.162 |
5,934,912 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90deu.dll |
9.0.30729.162 |
64,328 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90deu.dll |
9.0.30729.162 |
64,328 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90enu.dll |
9.0.30729.162 |
54,600 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90enu.dll |
9.0.30729.162 |
54,600 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90esn.dll |
9.0.30729.162 |
62,792 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90esn.dll |
9.0.30729.162 |
62,792 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90esp.dll |
9.0.30729.162 |
62,792 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90esp.dll |
9.0.30729.162 |
62,792 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90fra.dll |
9.0.30729.162 |
63,816 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90fra.dll |
9.0.30729.162 |
63,816 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90ita.dll |
9.0.30729.162 |
62,280 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90ita.dll |
9.0.30729.162 |
62,280 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90jpn.dll |
9.0.30729.162 |
44,360 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90jpn.dll |
9.0.30729.162 |
44,360 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90kor.dll |
9.0.30729.162 |
43,848 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90kor.dll |
9.0.30729.162 |
43,848 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90u.dll |
9.0.30729.162 |
5,103,424 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90u.dll |
9.0.30729.162 |
3,781,440 |
14-Oct-2008 |
02:32 |
x86 |
Mfc90ud.dll |
9.0.30729.162 |
7,464,264 |
14-Oct-2008 |
01:12 |
x64 |
Mfc90ud.dll |
9.0.30729.162 |
5,980,488 |
14-Oct-2008 |
02:32 |
x86 |
Mfcm90.dll |
9.0.30729.162 |
67,072 |
14-Oct-2008 |
00:50 |
x64 |
Mfcm90.dll |
9.0.30729.162 |
59,904 |
14-Oct-2008 |
00:20 |
x86 |
Mfcm90d.dll |
9.0.30729.162 |
93,184 |
14-Oct-2008 |
00:50 |
x64 |
Mfcm90d.dll |
9.0.30729.162 |
80,896 |
14-Oct-2008 |
00:20 |
x86 |
Mfcm90u.dll |
9.0.30729.162 |
67,072 |
14-Oct-2008 |
00:50 |
x64 |
Mfcm90u.dll |
9.0.30729.162 |
59,904 |
14-Oct-2008 |
00:20 |
x86 |
Mfcm90ud.dll |
9.0.30729.162 |
93,696 |
14-Oct-2008 |
00:50 |
x64 |
Mfcm90ud.dll |
9.0.30729.162 |
80,896 |
14-Oct-2008 |
00:20 |
x86 |
Mfcmifc80u.dll |
9.0.30729.162 |
14,152 |
20-Oct-2008 |
17:19 |
x86 |
Microsoft.visualc.stlclr.dll |
9.0.30729.162 |
49,000 |
20-Oct-2008 |
17:19 |
x86 |
Msvcm90.dll |
9.0.30729.162 |
225,280 |
13-Oct-2008 |
21:59 |
x86 |
Msvcm90.dll |
9.0.30729.162 |
324,096 |
13-Oct-2008 |
22:36 |
IA-64 |
Msvcm90.dll |
9.0.30729.162 |
245,760 |
13-Oct-2008 |
23:40 |
x64 |
Msvcm90d.dll |
9.0.30729.162 |
312,832 |
13-Oct-2008 |
21:59 |
x86 |
Msvcm90d.dll |
9.0.30729.162 |
429,568 |
13-Oct-2008 |
22:37 |
IA-64 |
Msvcm90d.dll |
9.0.30729.162 |
333,312 |
13-Oct-2008 |
23:40 |
x64 |
Msvcp90.dll |
9.0.30729.162 |
1,467,208 |
14-Oct-2008 |
00:56 |
IA-64 |
Msvcp90.dll |
9.0.30729.162 |
854,344 |
14-Oct-2008 |
01:12 |
x64 |
Msvcp90.dll |
9.0.30729.162 |
570,696 |
14-Oct-2008 |
02:32 |
x86 |
Msvcp90d.dll |
9.0.30729.162 |
2,514,760 |
14-Oct-2008 |
00:56 |
IA-64 |
Msvcp90d.dll |
9.0.30729.162 |
1,121,608 |
14-Oct-2008 |
01:12 |
x64 |
Msvcp90d.dll |
9.0.30729.162 |
873,288 |
14-Oct-2008 |
02:32 |
x86 |
Msvcr90.dll |
9.0.30729.162 |
1,504,584 |
14-Oct-2008 |
00:56 |
IA-64 |
Msvcr90.dll |
9.0.30729.162 |
624,456 |
14-Oct-2008 |
01:12 |
x64 |
Msvcr90.dll |
9.0.30729.162 |
653,640 |
14-Oct-2008 |
02:32 |
x86 |
Msvcr90d.dll |
9.0.30729.162 |
3,599,688 |
14-Oct-2008 |
00:56 |
IA-64 |
Msvcr90d.dll |
9.0.30729.162 |
1,349,960 |
14-Oct-2008 |
01:12 |
x64 |
Msvcr90d.dll |
9.0.30729.162 |
1,178,440 |
14-Oct-2008 |
02:32 |
x86 |
Vcomp90.dll |
9.0.30729.162 |
142,664 |
14-Oct-2008 |
00:56 |
IA-64 |
Vcomp90.dll |
9.0.30729.162 |
57,672 |
14-Oct-2008 |
01:12 |
x64 |
Vcomp90.dll |
9.0.30729.162 |
52,040 |
14-Oct-2008 |
02:32 |
x86 |
Vcomp90d.dll |
9.0.30729.162 |
317,256 |
14-Oct-2008 |
00:56 |
IA-64 |
Vcomp90d.dll |
9.0.30729.162 |
105,800 |
14-Oct-2008 |
01:12 |
x64 |
Vcomp90d.dll |
9.0.30729.162 |
89,416 |
14-Oct-2008 |
02:32 |
x86 |
Vcomp90ui.dll |
9.0.30729.162 |
11,592 |
20-Oct-2008 |
17:19 |
x86 |
Vcredist_ia64.exe |
9.0.30729.162 |
4,712,272 |
14-Oct-2008 |
19:32 |
x86 |
Vcredist_x64.exe |
9.0.30729.162 |
5,236,560 |
14-Oct-2008 |
19:36 |
x86 |
Vcredist_x86.exe |
9.0.30729.162 |
4,496,208 |
14-Oct-2008 |
19:28 |
x86 |
解决方法
若要变通解决此问题,请使用下列方法之一:
-
更改任何"症状"部分所述的四个条件。
-
替换为其他具有类似的功能,如memcpy函数或lstrcpyn函数的函数strncpy函数。
注意:这些复制函数是略有不同。例如, memcpy函数没有结束字符串副本,遇到 null 字节之前指定的长度。
状态
Microsoft 已经确认这是“适用于”一节中列出的 Microsoft 产品中的问题。
详细信息
有关软件更新术语的详细信息,请单击下面的文章编号,以查看 Microsoft 知识库中相应的文章:
用于描述 Microsoft 软件更新的标准术语的824684说明