<div dir="ltr">Ok, let's make a simpler experiment:<div><div><br></div><div>#include <sys/mman.h></div><div>#include <stdio.h></div><div>int main() {</div><div> void *beg = (void*)0x67fff8000;</div><div> void *res = mmap(beg, 17179869184, PROT_READ|PROT_WRITE,</div><div> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0);</div><div> if (res == beg)</div><div> printf("PASS\n");</div><div> else </div><div> printf("FAIL\n");</div><div>}</div></div><div><br></div><div>Compile this program, run it on both systems, make sure you see PASS on one and FAIL on the other. </div><div>Then send the strace logs to me, just in case. </div><div><br></div><div>--kcc </div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 21, 2016 at 12:27 AM, ZhaoKang <span dir="ltr"><<a href="mailto:zhaokang@mail.tsinghua.edu.cn" target="_blank">zhaokang@mail.tsinghua.edu.cn</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><span style="line-height:16.8px">Please see the attached two logs.</span><div style="line-height:16.8px">They are the results under strace.</div><div style="line-height:16.8px">And, we will try to run on the images you said below.</div><div style="line-height:16.8px">If the bug is reproduced there, we will contact with you ASAP.</div><div style="line-height:16.8px">Thanks a lot!</div><div style="line-height:16.8px"><br></div><div style="line-height:16.8px">Kang<br></div><br><br></span><blockquote name="replyContent" style="padding-left:5px;margin-left:5px;border-left:#b6b6b6 2px solid;margin-right:0"><span class="">-----原始邮件-----<br>
<b>发件人:</b> "Kostya Serebryany" <<a href="mailto:kcc@google.com" target="_blank">kcc@google.com</a>><br>
</span><b>发送时间:</b> 2016-09-21 13:05:14 (星期三)<span class=""><br>
<b>收件人:</b> ZhaoKang <<a href="mailto:zhaokang@mail.tsinghua.edu.cn" target="_blank">zhaokang@mail.tsinghua.edu.cn</a><wbr>><br>
<b>抄送:</b> "Clang Dev" <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>><br>
</span><b>主题:</b> Re: Re: Re: Re: Re: [cfe-dev] Question about Clang/LLVM addresssanitizer<span class=""><br><br><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 20, 2016 at 10:00 PM, ZhaoKang <span dir="ltr"><<a href="mailto:zhaokang@mail.tsinghua.edu.cn" target="_blank">zhaokang@mail.tsinghua.edu.cn</a><wbr>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">Hello Kostya,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);line-height:1.2">I run the same binary
on different VMs, one is redhat5.9 and the other one is redhat 6.5.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">And dump the outputs
to two log files (attachments) .<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125);line-height:1.2">I'm sorry for our VM
cannot be accessed by other groups.</span></p></blockquote><div><br></div><div>Please check if you can reproduce this on any of the OS types available on GCE.</div><div><a href="https://cloud.google.com/compute/docs/images" target="_blank">https://cloud.google.com/<wbr>compute/docs/images</a></div><div>If/when you verify that it reproduces on one of them, I'll try to debug it there. </div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<p class="MsoNormal"><font color="#1f497d">Please see the attached files, one is failed and another is right.</font></p></blockquote><div><br></div><div>I need the results of a run under strace. </div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<p class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125)">Many thanks!<u></u><u></u></span></p><br><br></blockquote></div></div></div>
</span></blockquote><br><br><br></blockquote></div><br></div>