[tor-bugs] #9602 [Tor]: Segfault in Tor 0.2.4.1[67]-rc after SIGUSR1

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#9602: Segfault in Tor 0.2.4.1[67]-rc after SIGUSR1
---------------------------+--------------------------------
     Reporter:  pyllyukko  |      Owner:
         Type:  defect     |     Status:  needs_information
     Priority:  normal     |  Milestone:  Tor: 0.2.4.x-final
    Component:  Tor        |    Version:  Tor: 0.2.4.16-rc
   Resolution:             |   Keywords:
Actual Points:             |  Parent ID:
       Points:             |
---------------------------+--------------------------------

Comment (by arma):

 In valgrind, after the -USR1, here's the first complaint:
 {{{
 ==22579== Invalid read of size 8
 ==22579==    at 0x48C223: channel_tls_describe_transport_method
 (channeltls.c:374)
 ==22579==    by 0x48431C: channel_dump_statistics (channel.c:3229)
 ==22579==    by 0x48496B: channel_dumpstats (channel.c:2736)
 ==22579==    by 0x42DEDF: process_signal (main.c:2207)
 ==22579==    by 0x52C9343: event_base_loop (in
 /usr/lib/libevent-1.4.so.2.1.3)
 ==22579==    by 0x42C4D0: do_main_loop (main.c:2018)
 ==22579==    by 0x42D1F4: tor_main (main.c:2882)
 ==22579==    by 0x5EFEC8C: (below main) (libc-start.c:228)
 ==22579==  Address 0x130b5210 is 144 bytes inside a block of size 320
 free'd
 ==22579==    at 0x4C240FD: free (vg_replace_malloc.c:366)
 ==22579==    by 0x42E5B7: close_closeable_connections (main.c:947)
 ==22579==    by 0x52C9343: event_base_loop (in
 /usr/lib/libevent-1.4.so.2.1.3)
 ==22579==    by 0x42C4D0: do_main_loop (main.c:2018)
 ==22579==    by 0x42D1F4: tor_main (main.c:2882)
 ==22579==    by 0x5EFEC8C: (below main) (libc-start.c:228)
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9602#comment:21>
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