Bug 155600

Summary: net-p2p/transmission-qt4 segmentation fault
Product: Ports & Packages Reporter: Alexandr <prayer>
Component: Individual Port(s)Assignee: Jeremy Messenger <mezz>
Status: Closed FIXED    
Severity: Affects Only Me    
Priority: Normal    
Version: Latest   
Hardware: Any   
OS: Any   

Description Alexandr 2011-03-16 13:40:13 UTC 
pcbsd-7177% transmission-qt
zsh: segmentation fault (core dumped)  transmission-qt

pcbsd-7177% gdb /usr/local/bin/transmission-qt /usr/tmp/coredumps/1001.transmission-qt.78322.core 
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This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `transmission-qt'.
Program terminated with signal 11, Segmentation fault.
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#0  0x0000000800c522cc in evbuffer_expand_singlechain (buf=0x80b7b3c40, datlen=518) at buffer.c:1676
1676            if (*chainp && CHAIN_SPACE_LEN(*chainp) == 0)
[New Thread 8046041c0 (LWP 100378)]
(gdb) bt
#0  0x0000000800c522cc in evbuffer_expand_singlechain (buf=0x80b7b3c40, datlen=518) at buffer.c:1676
#1  0x0000000800c4f119 in evbuffer_reserve_space (buf=0x80b7b3c40, size=518, vec=0x7fffffffcf50, n_vecs=1) at buffer.c:577
#2  0x00000000004ba8aa in jsonStringFunc (val=dwarf2_read_address: Corrupted DWARF expression.
) at bencode.c:1374
#3  0x00000000004b9fa8 in bencWalk (top=0x7fffffffd100, walkFuncs=0x52a880, user_data=0x7fffffffd040, sort_dicts=1 '\001') at bencode.c:1085
#4  0x00000000004bb1b4 in tr_bencToBuf (top=0x7fffffffd100, mode=TR_FMT_JSON_LEAN, buf=0x80b7b3c40) at bencode.c:1624
#5  0x00000000004bb20c in tr_bencToStr (top=0x7fffffffd100, mode=TR_FMT_JSON_LEAN, len=0x0) at bencode.c:1638
#6  0x000000000048ed83 in Session::exec (this=0x8047cd880, request=0x7fffffffd100) at session.cc:661
#7  0x000000000048f49d in Session::refreshSessionStats (this=0x8047cd880) at session.cc:628
#8  0x0000000000496274 in StatsDialog (this=0x8047c4200, session=@0x8047cd880, parent=0x80461e800) at stats-dialog.cc:60
#9  0x0000000000460d68 in TrMainWindow (this=0x80461e800, session=@0x8047cd880, prefs=@0x8046c0c00, model=@0x804735460, minimized=false) at mainwin.cc:93
#10 0x0000000000427cba in MyApp (this=0x7fffffffe2f0, argc=@0x7fffffffe2ec, argv=0x7fffffffe5b8) at app.cc:170
#11 0x0000000000429443 in main (argc=1, argv=0x7fffffffe5b8) at app.cc:490
Current language:  auto; currently c
(gdb) 

pcbsd-7177% transmission-qt -v    
transmission-qt 2.22 (12099)

How-To-Repeat: cd /usr/ports/net-p2p/transmission-qt4
make install
transmission-qt
Comment 1 Mark Linimon freebsd_committer freebsd_triage 2011-03-17 05:34:28 UTC 
Responsible Changed
From-To: freebsd-ports-bugs->mezz

Fix synopsis and assign.
Comment 2 Jeremy Messenger freebsd_committer freebsd_triage 2011-03-17 16:41:16 UTC 
State Changed
From-To: open->feedback

I can't reproduce the crash, but I think I might notice something wrong with 
your transmission-qt. It looks like it was linked with both version of 
libevent 1.x and 2.x. Please show me the outputs of: 

# pkg_info -IX event 
# ldd /usr/local/bin/transmission-qt
Comment 3 dfilter service freebsd_committer freebsd_triage 2011-03-17 20:16:05 UTC 
mezz        2011-03-17 20:15:56 UTC

  FreeBSD ports repository

  Modified files:
    net-p2p/transmission-qt4 Makefile 
  Added files:
    net-p2p/transmission-cli/files patch-qt_qtr.pro 
  Log:
  Fix transmission-qt to avoid link with both libevent 1.x and 2.x libraries
  or it will crashes. Remove a hardcore '-levent' (should be -levent-2.0) in
  the qtr.pro and let pkg-config takes care of it. Bump the PORTREVISION.
  
  PR:             ports/155600
  Reported by:    Alexandr <prayer@list.ru>
  
  Revision  Changes    Path
  1.1       +11 -0     ports/net-p2p/transmission-cli/files/patch-qt_qtr.pro (new)
  1.4       +1 -1      ports/net-p2p/transmission-qt4/Makefile
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Comment 4 Jeremy Messenger freebsd_committer freebsd_triage 2011-03-17 20:16:06 UTC 
State Changed
From-To: feedback->closed

I have committed a fix, thanks for report!