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Re: [tor-bugs] #3135 [Tor Client]: Tor segfaults on saveconf if it can't read its torrc file (was: Saveconf request can terminate tor)

#3135: Tor segfaults on saveconf if it can't read its torrc file
------------------------+---------------------------------------------------
 Reporter:  atagar      |          Owner:                    
     Type:  defect      |         Status:  new               
 Priority:  major       |      Milestone:  Tor: 0.2.1.x-final
Component:  Tor Client  |        Version:                    
 Keywords:              |         Parent:                    
   Points:              |   Actualpoints:                    
------------------------+---------------------------------------------------
Changes (by arma):

  * component:  Tor Relay => Tor Client
  * version:  Tor: 0.2.3.1-alpha =>
  * milestone:  Tor: 0.2.3.x-final => Tor: 0.2.1.x-final


Comment:

 Here's the code:

 {{{
     case FN_FILE:
       old_val = read_file_to_str(fname, 0, NULL);
       if (strcmpstart(old_val, GENERATED_FILE_PREFIX)) {
         rename_old = 1;
       }
 }}}

 We're not checking if read_file_to_str fails. This bug is also in
 maint-0.2.1.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3135#comment:4>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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