<div dir="ltr"><div><div>and the question is : it crashed when it read guest_addr<br><img alt="内嵌图片 1" src="cid:ii_14cd10b68d595e2d" height="87" width="381"><br></div>how can i solve this segfault?<br></div>Thanks a lot?<br><div><div><div><div class="gmail_extra"><br><div class="gmail_quote">2015-04-18 20:41 GMT-04:00 xiaojuan Li <span dir="ltr"><<a href="mailto:xiaotan6666@gmail.com" target="_blank">xiaotan6666@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Thanks first.<br></div>could you have some time consecutive?<br></div>I have not solved this segfault reported thirteen days ago and i just get stuck.<br></div>Thanks very much.<br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-04-18 11:27 GMT-04:00 Brendan Dolan-Gavitt <span dir="ltr"><<a href="mailto:brendan@cs.columbia.edu" target="_blank">brendan@cs.columbia.edu</a>></span>:<div><div class="h5"><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Could you post the new replay you are using that generates the segfault, along with the command line you are using to run the replay? That will be the fastest way for us to figure out what's going wrong, I think.<div><br></div><div>Thanks,</div><div>Brendan</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Sat, Apr 18, 2015 at 10:52 AM, xiaojuan Li <span dir="ltr"><<a href="mailto:xiaotan6666@gmail.com" target="_blank">xiaotan6666@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">please ignore just this mail.i am wrong...<br><div><div class="gmail_quote"><span>---------- Forwarded message ----------<br>From: <b class="gmail_sendername">xiaojuan Li</b> <span dir="ltr"><<a href="mailto:xiaotan6666@gmail.com" target="_blank">xiaotan6666@gmail.com</a>></span><br></span><span>Date: 2015-04-18 10:40 GMT-04:00<br>Subject: Re: [panda-users] taint segmentation fault<br></span><div><div>To: "<a href="mailto:panda-users@mit.edu" target="_blank">panda-users@mit.edu</a>" <<a href="mailto:panda-users@mit.edu" target="_blank">panda-users@mit.edu</a>><br><br><br><div dir="ltr"><div><div><div><div>does it caused by this:<br></div><img src="cid:ii_i8n4l4wa0_14cccf33a38cdd53" height="33" width="397"><br><img src="cid:ii_i8n4l4wo1_14cccf33a38cdd53" height="79" width="370"><br></div>the value of get_td_p(addr) is the return of tassert(),is it possible to be null,<br></div>and i am going to insert some log to check.<br></div><br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-04-18 8:21 GMT-04:00 xiaojuan Li <span dir="ltr"><<a href="mailto:xiaotan6666@gmail.com" target="_blank">xiaotan6666@gmail.com</a>></span>:<div><div><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>yeah you are right.the way i used before is kind of stupid.<br></div>here is the bt result:<br><img src="cid:ii_i8mziqh30_14ccc715e52620b6" height="386" width="397"><br><img src="cid:ii_i8mzjwrj1_14ccc723586c70a3" height="110" width="397"><br></div>but i do not understand how it caused segfault<br></div>Thanks<br><div><div><div><br></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote"><span>2015-04-17 20:55 GMT-04:00 Manolis Stamatogiannakis <span dir="ltr"><<a href="mailto:mstamat@gmail.com" target="_blank">mstamat@gmail.com</a>></span>:<br></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">How about using gdb and the dumped core to print the stack trace at the time of the crash?<div><div><br><div class="gmail_extra"><br><div class="gmail_quote">2015-04-17 17:46 GMT-07:00 xiaojuan Li <span dir="ltr"><<a href="mailto:xiaotan6666@gmail.com" target="_blank">xiaotan6666@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>any suggestions?<br></div>Thanks!<br></div><div class="gmail_extra"><br></div></blockquote></div><br></div></div></div></div><span><font color="#888888">
</font></span></blockquote></div><span><font color="#888888"><br><br clear="all"><br>-- <br><div><div dir="ltr">wait and hope~~</div></div>
</font></span></div>
</blockquote></div></div></div><span><font color="#888888"><br><br clear="all"><br>-- <br><div><div dir="ltr">wait and hope~~</div></div>
</font></span></div>
</div></div></div><span><font color="#888888"><br><br clear="all"><br>-- <br><div><div dir="ltr">wait and hope~~</div></div>
</font></span></div></div>
<br></div></div><span>_______________________________________________<br>
panda-users mailing list<br>
<a href="mailto:panda-users@mit.edu" target="_blank">panda-users@mit.edu</a><br>
<a href="http://mailman.mit.edu/mailman/listinfo/panda-users" target="_blank">http://mailman.mit.edu/mailman/listinfo/panda-users</a><br>
<br></span></blockquote></div><br></div>
</blockquote></div></div></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br><div><div dir="ltr">wait and hope~~</div></div>
</font></span></div>
</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr">wait and hope~~</div></div>
</div></div></div></div></div>