Commit: Re: Yet another incremental loader bug on Linux

From: Martin Sevior (msevior@mccubbin.ph.unimelb.edu.au)
Date: Thu Mar 14 2002 - 09:10:16 GMT

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    CVS: ----------------------------------------------------------------------
    CVS: Enter Log. Lines beginning with `CVS:' are removed automatically
    CVS:
    CVS: Committing in .
    CVS:
    CVS: Modified Files:
    CVS: src/wp/ap/xp/ap_LeftRuler.cpp
    CVS: ----------------------------------------------------------------------
    Fix incremental loader segfault reported by Robert Wilhelm

    Thanks Robert!

    Martin

    On Wed, 13 Mar 2002, Robert Wilhelm wrote:

    > > > When e.g. loading the Dokument from #2393 (TIPython.doc) and moving
    > > > the mouse a bit during load, I get following crash under Linux:
    > > >
    >
    > Hi Martin,
    >
    > here is another crasher at nearly the same position:
    >
    > (gdb) r TIPython.doc &>/dev/null
    > Starting program: /usr/local/AbiSuite/bin/AbiWord_d TIPython.doc &>/dev/null
    >
    > Program received signal SIGSEGV, Segmentation fault.
    > 0x080f7d4e in AP_LeftRuler::mouseMotion (this=0x85aaca0, ems=0, x=18, y=3)
    > at ap_LeftRuler.cpp:396
    > 396 pView->getLeftRulerInfo(&m_infoCache);
    > (gdb) p pView
    > $1 = (class FV_View *) 0x0
    > (gdb) bt
    > #0 0x080f7d4e in AP_LeftRuler::mouseMotion (this=0x85aaca0, ems=0, x=18, y=3)
    > at ap_LeftRuler.cpp:396
    > #1 0x080dd8f4 in AP_UnixLeftRuler::_fe::motion_notify_event (w=0x85aad30,
    > e=0x8c16db0) at ap_UnixLeftRuler.cpp:335
    > #2 0x400edaec in gtk_marshal_BOOL__POINTER () from /usr/lib/libgtk-1.2.so.0
    > #3 0x40121436 in gtk_handlers_run () from /usr/lib/libgtk-1.2.so.0
    > #4 0x4012076d in gtk_signal_real_emit () from /usr/lib/libgtk-1.2.so.0
    > #5 0x4011e525 in gtk_signal_emit () from /usr/lib/libgtk-1.2.so.0
    > #6 0x40158b89 in gtk_widget_event () from /usr/lib/libgtk-1.2.so.0
    > #7 0x400eda45 in gtk_propagate_event () from /usr/lib/libgtk-1.2.so.0
    > #8 0x400eca6f in gtk_main_do_event () from /usr/lib/libgtk-1.2.so.0
    > #9 0x4019dd7f in gdk_event_dispatch () from /usr/lib/libgdk-1.2.so.0
    > #10 0x401d1773 in g_main_dispatch () from /usr/lib/libglib-1.2.so.0
    > #11 0x401d1d39 in g_main_iterate () from /usr/lib/libglib-1.2.so.0
    > #12 0x401d1e1e in g_main_iteration () from /usr/lib/libglib-1.2.so.0
    > #13 0x400ec594 in gtk_main_iteration () from /usr/lib/libgtk-1.2.so.0
    > #14 0x0826be11 in XAP_UnixFrame::nullUpdate (this=0x852a7e0)
    > at xap_UnixFrame.cpp:736
    > #15 0x0824a6ae in PD_Document::appendStrux (this=0x85b4e30, pts=PTX_Block,
    > attributes=0xbfffd360) at pd_Document.cpp:473
    > #16 0x0816c002 in IE_Imp_MsWord_97::_beginPara (this=0x405a3008,
    > ps=0xbfffe530, tag=4, prop=0xbfffda00, dirty=0)
    > at ie_imp_MsWord_97.cpp:1914
    > ---Type <return> to continue, or q <return> to quit---
    > #17 0x08169ffb in IE_Imp_MsWord_97::_eleProc (this=0x405a3008, ps=0xbfffe530,
    > tag=4, props=0xbfffda00, dirty=0) at ie_imp_MsWord_97.cpp:1136
    > #18 0x0816db9d in eleProc (ps=0xbfffe530, tag=PARABEGIN, props=0xbfffda00,
    > dirty=0) at ie_imp_MsWord_97.cpp:2569
    > #19 0x081a9205 in wvHandleElement (ps=0xbfffe530, tag=PARABEGIN,
    > props=0xbfffda00, dirty=0) at text.c:1026
    > #20 0x081df5a2 in wvDecodeSimple (ps=0xbfffe530, whichdoc=Dmain)
    > at decode_simple.c:375
    > #21 0x081adebd in wvText (ps=0xbfffe530) at wvTextEngine.c:14
    > #22 0x08168d98 in IE_Imp_MsWord_97::importFile (this=0x405a3008,
    > szFilename=0xbffffaf6 "TIPython.doc") at ie_imp_MsWord_97.cpp:617
    > #23 0x08249d11 in PD_Document::readFromFile (this=0x85b4e30,
    > szFilename=0xbffffaf6 "TIPython.doc", ieft=0) at pd_Document.cpp:202
    > #24 0x080dabd9 in AP_UnixFrame::_loadDocument (this=0x852a7e0,
    > szFilename=0xbffffaf6 "TIPython.doc", ieft=0, createNew=true)
    > at ap_UnixFrame.cpp:502
    > #25 0x080db0fc in AP_UnixFrame::loadDocument (this=0x852a7e0,
    > szFilename=0xbffffaf6 "TIPython.doc", ieft=0, createNew=true)
    > at ap_UnixFrame.cpp:633
    > #26 0x080d921b in AP_UnixApp::parseCommandLine (this=0x84c9b58)
    > at ap_UnixApp.cpp:1537
    > #27 0x080d8933 in AP_UnixApp::main (szAppName=0x835749b "AbiWord", argc=2,
    > argv=0xbffff9b4) at ap_UnixApp.cpp:1337
    > ---Type <return> to continue, or q <return> to quit---
    > #28 0x080d580e in main (argc=2, argv=0xbffff9b4) at UnixMain.cpp:32
    > #29 0x4038e306 in __libc_start_main (main=0x80d57b0 <main>, argc=2,
    > ubp_av=0xbffff9b4, init=0x80d315c <_init>, fini=0x8357460 <_fini>,
    > rtld_fini=0x4000d2dc <_dl_fini>, stack_end=0xbffff9ac)
    > at ../sysdeps/generic/libc-start.c:129
    > (gdb)
    >



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