Crash in share duplicate notification

[rufuscoder]

Original author: martin.h...@gmail.com (May 21, 2008 09:40:46)

Date/Time: 2008-05-20 03:37:13.927 +0300 OS Version: 10.4.11 (Build 8S2167) Report Version: 4

Command: ShakesPeer Path: /Applications/ShakesPeer.app/Contents/MacOS/ShakesPeer Parent: WindowServer [54]

Version: ??? (0.9.7)

PID: 308 Thread: 0

Exception: EXC_BAD_ACCESS (0x0001) Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000000

Thread 0 Crashed: 0 <<00000000>> 0xffff0897 __memcpy + 247 (cpu_capabilities.h:228) 1 com.apple.CoreFoundation 0x908292f5 CFArrayGetValues + 296 2 com.apple.Foundation 0x92806436 -[NSArray objectEnumerator] + 112 3 se.hedenfalk.shakespeer 0x0001bb42 -[SPPreferenceController shareDuplicateFoundNotification:] + 114 4 com.apple.Foundation 0x927ed237 _nsnote_callback + 230 5 com.apple.CoreFoundation 0x908563ce CFXNotificationPost + 345 6 com.apple.CoreFoundation 0x9084db49 _CFXNotificationPostNotification + 600 7 com.apple.Foundation 0x927e57c8 -[NSNotificationCenter postNotificationName:object:userInfo:] + 121 8 se.hedenfalk.shakespeer 0x0000d073 sendNotification + 259 9 se.hedenfalk.shakespeer 0x0000d4a2 spcb_share_duplicate_found + 82 10 se.hedenfalk.shakespeer 0x0003ca0f cmd_dispatch + 335 11 se.hedenfalk.shakespeer 0x00032b07 sp_dispatch_command + 55 12 se.hedenfalk.shakespeer 0x00031901 sp_in_event + 129 13 se.hedenfalk.shakespeer 0x0000ef0b sp_callback + 59 14 com.apple.CoreFoundation 0x90842f1f CFSocketDoCallback + 473 15 com.apple.CoreFoundation 0x90842c94 __CFSocketPerformV0 + 392 16 com.apple.CoreFoundation 0x9082cefa CFRunLoopRunSpecific + 1213 17 com.apple.CoreFoundation 0x9082ca36 CFRunLoopRunInMode + 61 18 com.apple.HIToolbox 0x92de7878 RunCurrentEventLoopInMode + 285 19 com.apple.HIToolbox 0x92de6f82 ReceiveNextEventCommon + 385 20 com.apple.HIToolbox 0x92de6dd9 BlockUntilNextEventMatchingListInMode + 81 21 com.apple.AppKit 0x9326d0e5 _DPSNextEvent + 572 22 com.apple.AppKit 0x9326ccd7 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 137 23 com.apple.AppKit 0x93266a64 -[NSApplication run] + 512 24 com.apple.AppKit 0x9325a9c0 NSApplicationMain + 573 25 se.hedenfalk.shakespeer 0x00002e02 _start + 216 26 se.hedenfalk.shakespeer 0x00002d29 start + 41

Thread 1: 0 libSystem.B.dylib 0x90009cd7 mach_msg_trap + 7 1 com.apple.CoreFoundation 0x9082d21b CFRunLoopRunSpecific + 2014 2 com.apple.CoreFoundation 0x9082ca36 CFRunLoopRunInMode + 61 3 com.apple.Foundation 0x9282aa40 +[NSURLConnection(NSURLConnectionInternal) _resourceLoadLoop:] + 259 4 com.apple.Foundation 0x927f539c forkThreadForFunction + 123 5 libSystem.B.dylib 0x90024227 _pthread_body + 84

Thread 2: 0 libSystem.B.dylib 0x9001a1cc select + 12 1 libSystem.B.dylib 0x90024227 _pthread_body + 84

Thread 3: 0 libSystem.B.dylib 0x90009cd7 mach_msg_trap + 7 1 com.apple.CoreFoundation 0x9082d21b CFRunLoopRunSpecific + 2014 2 com.apple.CoreFoundation 0x9082ca36 CFRunLoopRunInMode + 61 3 com.apple.Foundation 0x92851c76 +[NSURLCache _diskCacheSyncLoop:] + 206 4 com.apple.Foundation 0x927f539c forkThreadForFunction + 123 5 libSystem.B.dylib 0x90024227 _pthread_body + 84

Thread 0 crashed with X86 Thread State (32-bit): eax: 0x00075a8c ebx: 0x908291db ecx: 0x0000000c edx: 0xfff8a580 edi: 0x00075a80 esi: 0x0e77ea8c ebp: 0xbfffeb48 esp: 0xbfffeb40 ss: 0x0000001f efl: 0x00010206 eip: 0xffff0897 cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037

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/Applications/ShakesPeer.app/Contents/Frameworks/Growl.framework/Versions/A/Growl

Original issue: http://code.google.com/p/shakespeer/issues/detail?id=21

[rufuscoder]

From hwa...@gmail.com on May 21, 2008 10:22:46 Did this crash when the preference window was just opened? I think the bug is that we sign up for these notifications before the nib is loaded. Then if you get into shareDuplicateFoundNotification: -- it will work on an uninitialized pointer (the menu).

If you can reproduce the bug, please try this patch.

[rufuscoder]

From hwa...@gmail.com on May 21, 2008 10:24:10 BTW, there are other places where we do GUI/notification things in -init instead of awakeFromNib.

I've already fixed some other places before, but it would be good to go through and fix them all.

[rufuscoder]

From markus.m...@gmail.com on May 21, 2008 10:25:11 That is very probably the culprit here.

[rufuscoder]

From markus.m...@gmail.com on May 21, 2008 10:37:25 I'll go through them and fix this.

[rufuscoder]

From markus.m...@gmail.com on May 21, 2008 11:25:12 Work in progress. This patch should fix the crash, but I have temporarily disabled the actual code of the duplicate notification, as it needs to be rewritten.

Any new duplicate paths should be added to a local array/set, and the duplicate menu should instead be generated from scratch when it is opened. It would also be nice if the menu generation method checked if the file at the paths actually exists, and remove them from the local array/set if they don't, then regenerate the menu.

This is a likely case, since someone detecting unwanted duplicates through the menu probably deletes the duplicates right away.

[rufuscoder]

From martin.h...@gmail.com on May 23, 2008 05:42:50 I don't have any details on this crash, it's from the crash reporter files.