[Bug 336057] [NEW] Konqueror crashes on startup (when loading about page)

[Jeremy Kerr]

Public bug reported:

Using konqueror 4:4.2.0-0ubuntu3 from the jaunty beta here. When I start
konqueror from the KDE menu, a key shortcut, or form the command line,
nothing happens.

Running under gdb reports a SIGSEGV:

(gdb) run                                                                    
Starting program: /usr/bin/konqueror
(no debugging symbols found)
 [lines omitted]
[Thread debugging using libthread_db enabled]
[New Thread 0xb5e9cb40 (LWP 23593)]
konqueror(23593) KServiceFactory::findServiceByDesktopPath: "findServiceByDesktopPath: searchproviders/.desktop not found"

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb5e9cb40 (LWP 23593)]
0xb764c46d in KSycocaEntry::property () from /usr/lib/libkdecore.so.5
(gdb) bt
#0  0xb764c46d in KSycocaEntry::property () from /usr/lib/libkdecore.so.5
#1  0xb441b0ed in ?? () from /usr/lib/kde4/konq_aboutpage.so
#2  0xb44222e0 in ?? () from /usr/lib/kde4/konq_aboutpage.so
#3  0xb7f43096 in ?? () from /usr/lib/libkdeinit4_konqueror.so
#4  0xb7f944f9 in ?? () from /usr/lib/libkdeinit4_konqueror.so
#5  0xb7f4a429 in ?? () from /usr/lib/libkdeinit4_konqueror.so
#6  0xb7f4a5a1 in ?? () from /usr/lib/libkdeinit4_konqueror.so
#7  0xb7f4b07a in ?? () from /usr/lib/libkdeinit4_konqueror.so
#8  0xb7f4bc19 in ?? () from /usr/lib/libkdeinit4_konqueror.so
#9  0xb7f50b02 in ?? () from /usr/lib/libkdeinit4_konqueror.so
#10 0xb7fca11e in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#11 0x080486f2 in _start ()
(gdb) info frame
Stack level 0, frame at 0xbfe20a70:
 eip = 0xb764c46d in KSycocaEntry::property(QString const&) const;
    saved eip 0xb441b0ed
 called by frame at 0xbfe20ca0
 Arglist at 0xbfe20a68, args:
 Locals at 0xbfe20a68, Previous frame's sp is 0xbfe20a70
 Saved registers:
  ebp at 0xbfe20a68, esi at 0xbfe20a64, eip at 0xbfe20a6c
(gdb) info registers
eax            0x0      0
ecx            0xbfe20b30       -1075705040
edx            0x0      0
ebx            0xb4426ff4       -1270714380
esp            0xbfe20a50       0xbfe20a50
ebp            0xbfe20a68       0xbfe20a68
esi            0xbfe20b30       -1075705040
edi            0xbfe20bf4       -1075704844
eip            0xb764c46d       0xb764c46d <KSycocaEntry::property(QString const&) const+13>
eflags         0x210286 [ PF SF IF RF ID ]
cs             0x73     115
ss             0x7b     123
ds             0x7b     123
es             0x7b     123
fs             0x0      0
gs             0x33     51
(gdb)

Given that the segv is caused in the konq_aboutpage library, the
workaround is to start konqueror at a specific URL. However, this
requires command-line interaction.

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

-- 
Konqueror crashes on startup (when loading about page)
https://bugs.launchpad.net/bugs/336057
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