[Bug 476875] [NEW] smplayer crashed with SIGSEGV in QApplicationPrivate::notify_helper()

[Rubén Darío Ponticelli]

Public bug reported:

Binary package hint: smplayer

Crash happened when opening a file with idx subtitles which wasn't in the same folder of the movie. I guess I had invalid fixed information about mplayer version in the config file... anyway, bug seems to be reproducible under some rare circumstances:
If you start smplayer without fixed information about mplayer, it wil ask for it when you open a file (I believe this dialog should be accessible somewhere on the advanced preferences, which is not). The problem is that smplayer won't save the chosen config to the file until you close the program. Meanwhile, the data en the file (which smplayer seems to have put there on startup) is:

[mplayer_info]
mplayer_detected_version=-1
mplayer_user_supplied_version=-1

Well, it seems that if you open certain idx file through the subtitles
menu, when starting smplayer with this config, or with this section
empty, smplayer crashes.

ProblemType: Crash
Architecture: amd64
Date: Fri Nov  6 16:19:16 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/smplayer
Package: smplayer 0.6.7-1
ProcCmdline: /usr/bin/smplayer -session 10d96f7669000125455090500000046640016_1257520908_505864
ProcEnviron:
 LANGUAGE=es_AR:es
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-16.50lp446146apw5-generic
SegvAnalysis:
 Segfault happened at: 0x7fb1e6a657d6:	mov    (%rdi),%rax
 PC (0x7fb1e6a657d6) ok
 source "(%rdi)" (0x00000091) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: smplayer
StacktraceTop:
 ?? ()
 ?? ()
 QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
 QApplication::notify(QObject*, QEvent*) ()
 QCoreApplication::notifyInternal(QObject*, QEvent*)
Title: smplayer crashed with SIGSEGV in QApplicationPrivate::notify_helper()
Uname: Linux 2.6.31-16-generic x86_64
UserGroups: adm admin cdrom dialout games lpadmin plugdev sambashare

** Affects: smplayer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash

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smplayer crashed with SIGSEGV in QApplicationPrivate::notify_helper()
https://bugs.launchpad.net/bugs/476875
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