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Re: [tor-bugs] #7215 [Tor]: *** stack smashing detected ***: /usr/sbin/tor terminated on a Raspberry Pi

#7215: *** stack smashing detected ***: /usr/sbin/tor terminated on a Raspberry Pi
------------------------------+---------------------------------------------
 Reporter:  vigdis            |          Owner:                  
     Type:  defect            |         Status:  new             
 Priority:  normal            |      Milestone:  Tor: unspecified
Component:  Tor               |        Version:                  
 Keywords:  tor-relay debian  |         Parent:                  
   Points:                    |   Actualpoints:                  
------------------------------+---------------------------------------------
Changes (by nickm):

  * keywords:  => tor-relay debian
  * milestone:  => Tor: unspecified


Comment:

 Well, that's pretty weird.  My first guess would be some mismatch between
 the Tor and OpenSSL packages, but I don't know at all what that might be,
 or why it wouldn't have been noted.  OPENSSL_cpuid_setup() is a really
 basic function for OPENSSL; it shouldn't be able to fail like that.

 If it's possible to try building Tor from source, that might make it
 possible to rule out the idea that it could be a packaging problem.  That
 is, if Tor built from source works, then there's some issue going on with
 package compatibility.  If Tor built from source doesn't work, then we've
 got a problem in Tor or in the openssl library.

 Here's another little test program to tell if your openssl is *completely*
 broken.  If this one crashes, it's definitely OpenSSL's fault.  If it
 doesn't, then the problem might lie somewhere else:
 {{{
 #include <openssl/engine.h>
 #include <openssl/evp.h>
 #include <openssl/err.h>

 int main(int c, char **v)
 {
     ERR_load_crypto_strings();
     OpenSSL_add_all_algorithms();
     ENGINE_load_builtin_engines();
     ENGINE_register_all_complete();
     puts("Stuff seems okay.");
     return 0;
 }
 }}}

 (It should build okay with "gcc -Wall -lcrypto test.c -o test")

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7215#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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