[bug-gv] Fwd: [Bug 1071238] New: [abrt] gv: zoom_createZoom(): gv killed by SIGSEGV

[Orion Poplawski]

I can't reproduce this, so I don't know the trigger, but from the backtrace:


Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000000000042fb9c in zoom_createZoom (w=0xd0d890, 
address@hidden) at zoom.c:112
112         if (strcmp(gv_filename, "-")) {

Thread 1 (LWP 3049):
#0  0x000000000042fb9c in zoom_createZoom (w=0xd0d890, 
address@hidden) at zoom.c:112
        __s2 = 0x0
        __result = <error reading variable __result (Cannot access memory at 
address 0x0)>
        __s2_len = 1

clearly strcmp(gv_filename, "-") is being called with gv_filename == NULL. 
The attached check should alleviate the segfault, but perhaps something else 
if wrong as well.

- Orion

-------- Original Message --------
Subject: [Bug 1071238] New: [abrt] gv: zoom_createZoom(): gv killed by SIGSEGV
Date: Fri, 28 Feb 2014 10:56:37 +0000
From: address@hidden
To: address@hidden

https://bugzilla.redhat.com/show_bug.cgi?id=1071238

            Bug ID: 1071238
           Summary: [abrt] gv: zoom_createZoom(): gv killed by SIGSEGV
           Product: Fedora
           Version: 20
         Component: gv
          Assignee: address@hidden
          Reporter: address@hidden
        QA Contact: address@hidden
                CC: address@hidden, address@hidden



Version-Release number of selected component:
gv-3.7.4-4.fc20

Additional info:
reporter:       libreport-2.1.12
backtrace_rating: 4
cmdline:        /usr/bin/gv
crash_function: zoom_createZoom
executable:     /usr/bin/gv
kernel:         3.13.4-200.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 zoom_createZoom at zoom.c:112
 #1 magmenu_a_magMenu at magmenu.c:368
 #2 HandleActions at TMstate.c:645
 #3 HandleSimpleState at TMstate.c:884
 #4 _XtTranslateEvent at TMstate.c:1101
 #5 XtDispatchEventToWidget at Event.c:906
 #6 _XtDefaultDispatcher at Event.c:1367
 #7 XtDispatchEvent at Event.c:1423
 #8 XtAppProcessEvent at NextEvent.c:1397
 #9 XtAppMainLoop at Event.c:1554

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gv-bug1071238.patch
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