I'm trying to understand a crash log a customer sent me.
Some sections that seem of interest are included at the end of this note.
This is a universal application using GC on Leopard. If I'm reading it
correctly, it looks like the application was being run on a PowerPC
machine with Leopard.
My application is invoking NSFileManager copyPath:toPath:handler:
It is possible that the user picked some weird value for toPath but it
must exist because they picked it using NSOpenPanel.
How or why can this be causing a crash? Especially inside
NSFIleManager dealing with retain in a GC application?
Is this a Cocoa bug? Are there things I can do to prevent this crash?
Are there other things I should be looking at in the crash log to help
figure out what may have gone wrong?
Thanks
Code Type: PPC (Native)
Parent Process: launchd [119]
OS Version: Mac OS X 10.5.5 (9F33)
Report Version: 6
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000005
Crashed Thread: 10
Application Specific Information:
objc[8909]: garbage collection is ON
Thread 10 Crashed:
0 com.apple.CoreFoundation 0x9069ebd0 __CFTypeCollectionRetain + 76
1 com.apple.CoreFoundation 0x906709cc CFDictionaryAddValue + 684
2 com.apple.CoreFoundation 0x90670f4c CFDictionaryCreate + 104
3 com.apple.Foundation 0x921a2458 -[NSFileManager
_replicatePath:atPath:operation:fileMap:handler:] + 280
4 com.apple.Foundation 0x921a2318 -[NSFileManager
copyPath:toPath:handler:] + 220
5 ...oadreachsoftware.archiveMac 0x00008318 -[RestoreController
copyFiles:] + 1212
6 com.apple.Foundation 0x920ecb78 __NSThread__main__ + 1004
7 libSystem.B.dylib 0x90e21658 _pthread_start + 316
Thread 10 crashed with PPC Thread State 32:
srr0: 0x9069ebd0 srr1: 0x0200f030 dar: 0x00000005 dsisr: 0x40000000
r0: 0xa0029174 r1: 0xf048fd00 r2: 0xa002eb8c r3: 0xa0029174
r4: 0x00000000 r5: 0x00000000 r6: 0x50a05000 r7: 0x50a05000
r8: 0x50a05000 r9: 0x01000000 r10: 0x00000003 r11: 0xa0029fc0
r12: 0x9069eb84 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x010615c0 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000
r20: 0x013834d0 r21: 0x00000000 r22: 0x01020250 r23: 0x010fe9f0
r24: 0x01020250 r25: 0xf048fe80 r26: 0xa0029174 r27: 0xa024e030
r28: 0x00000000 r29: 0xa024e030 r30: 0x00000000 r31: 0x9069eb8c
cr: 0x28002422 xer: 0x00000000 lr: 0x9069eb8c ctr: 0x9069eb84
vrsave: 0x00000000
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