[mythtv-commits] Ticket #9919: LogPrintLine leads to crash

[MythTV]

#9919: LogPrintLine leads to crash
------------------------------------------------+--------------------------
 Reporter:  Jim Stichnoth <stichnot@…>          |           Type:  Bug
   Status:  new                                 |  Report - Crash
Milestone:  unknown                             |       Priority:  minor
  Version:  Trunk Head                          |      Component:  MythTV -
 Keywords:                                      |  General
                                                |       Severity:  medium
                                                |  Ticket locked:  0
------------------------------------------------+--------------------------
 Logging a string containing a '%' character can lead to a crash.

 {{{
 #0  0x04932a58 in wcslen () from /lib/tls/i686/cmov/libc.so.6
 #1  0x04933c3d in wcsrtombs () from /lib/tls/i686/cmov/libc.so.6
 #2  0x048f72c4 in vfprintf () from /lib/tls/i686/cmov/libc.so.6
 #3  0x04916460 in vsnprintf () from /lib/tls/i686/cmov/libc.so.6
 #4  0x01745fc1 in LogPrintLine (mask=32768, level=LOG_INFO,
     file=0x947a8f "subtitlescreen.cpp", line=763,
     function=0x947ec4 "DisplayCC608Subtitles",
     format=0x8f3e0c0 "x 0 y 15 uline=0 ital=0 color=0 coord=102,610
 String: 'ABOUT 78% SURE.'") at mythlogging.cpp:758
 #5  0x006448d8 in SubtitleScreen::DisplayCC608Subtitles (this=0xae984ae0)
     at subtitlescreen.cpp:761
 #6  0x006404da in SubtitleScreen::Pulse (this=0xae984ae0)
     at subtitlescreen.cpp:97
 #7  0x00634509 in OSD::DrawDirect (this=0x8da0930, painter=0x8ebc050,
     size=..., repaint=true) at osd.cpp:565
 #8  0x006a6f64 in VideoOutputVDPAU::PrepareFrame (this=0xa993e278,
     frame=0x94b9c68, scan=kScan_Interlaced, osd=0x8da0930)
     at videoout_vdpau.cpp:506
 #9  0x005ad377 in MythPlayer::AVSync (this=0xac71788, buffer=0x94b9c68,
     limit_delay=false) at mythplayer.cpp:1741
 #10 0x005b0a0a in MythPlayer::DisplayNormalFrame (this=0xac71788,
     check_prebuffer=true) at mythplayer.cpp:2054
 #11 0x005b160e in MythPlayer::VideoLoop (this=0xac71788)
     at mythplayer.cpp:2205
 ...
 }}}

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Ticket URL: <http://code.mythtv.org/trac/ticket/9919>
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