I've got a report from a user of my program crashing.
In the console they are getting this:
11/19/09 3:08:46 PM[0x0-0x18a18a]Progname[8699]Progname(8699,0x1167b0000)
malloc: *** error for object 0x100563870: pointer being freed was not allocated
11/19/09 3:08:46 PM[0x0-0x18a18a] Progname[8699]*** set a breakpoint in
malloc_error_break to debug
And in the crash report:
Process: Progname [11128]
Path: /Applications/Progname.app/Contents/MacOS/Progname
Identifier: Progname
Version: 1.19 (19)
Code Type: X86-64 (Native)
Parent Process: launchd [180]
Date/Time: 2009-11-19 17:40:42.570 -0500
OS Version: Mac OS X 10.6.2 (10C540)
Report Version: 6
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread: 2
Application Specific Information:
abort() called
objc[11128]: garbage collection is ON
Thread 0: Dispatch queue: com.apple.main-thread
0 libSystem.B.dylib 0x00007fff879a7e3a mach_msg_trap + 10
1 libSystem.B.dylib 0x00007fff879a84ad mach_msg + 59
2 com.apple.CoreFoundation 0x00007fff86c997a2 __CFRunLoopRun + 1698
3 com.apple.CoreFoundation 0x00007fff86c98c2f CFRunLoopRunSpecific + 575
4 com.apple.HIToolbox 0x00007fff865b9a4e RunCurrentEventLoopInMode
+ 333
5 com.apple.HIToolbox 0x00007fff865b9853 ReceiveNextEventCommon +
310
6 com.apple.HIToolbox 0x00007fff865b970c
BlockUntilNextEventMatchingListInMode + 59
7 com.apple.AppKit 0x00007fff815f31f2 _DPSNextEvent + 708
8 com.apple.AppKit 0x00007fff815f2b41 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
9 com.apple.AppKit 0x00007fff815b8747 -[NSApplication run] + 395
10 Progname 0x0000000100000eea main + 76
11 Progname 0x0000000100000e7c start + 52
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x00007fff879c0bba kevent + 10
1 libSystem.B.dylib 0x00007fff879c2a85 _dispatch_mgr_invoke + 154
2 libSystem.B.dylib 0x00007fff879c275c _dispatch_queue_invoke +
185
3 libSystem.B.dylib 0x00007fff879c2286 _dispatch_worker_thread2 +
244
4 libSystem.B.dylib 0x00007fff879c1bb8 _pthread_wqthread + 353
5 libSystem.B.dylib 0x00007fff879c1a55 start_wqthread + 13
Thread 2 Crashed:
0 libSystem.B.dylib 0x00007fff87a7784d usleep$NOCANCEL + 0
1 libSystem.B.dylib 0x00007fff87a96e3c abort + 93
2 libSystem.B.dylib 0x00007fff879ae155 free + 128
3 libSystem.B.dylib 0x00007fff879fa16e asl_set_query + 572
4 libSystem.B.dylib 0x00007fff87a16239 asl_send + 824
5 libSystem.B.dylib 0x00007fff87a15e56 asl_vlog + 570
6 libSystem.B.dylib 0x00007fff87a15c19 asl_log + 153
7 Progname.CocoaTools 0x0000000104567101 -[Log
vlogLevel:format:arguments:] + 270
8 Progname.CocoaTools 0x000000010456730c -[Log notice:] + 164
....etc
Does this look like an Apple bug? It looks to me like the asl subsystem is
freeing something it shouldn't and aborting the program.
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