Question

我们发现一些iOS8用户通过Apple提供的自动更新功能升级了应用程序版本，将立即启动崩溃，崩溃堆栈很奇怪，如下所示，访问0x00000000f98d79c8时总是崩溃，有时它在_GLOBAL__sub_I_main.mm（main.mm:0）上崩溃了。

自动更新功能在iOS8上是否存在错误？是什么原因导致应用程序崩溃，如果重新安装该应用程序，它将成功启动。

似乎只有iOS 8.x系统有问题。

Incident Identifier: 53BFE9D3-6F08-4186-8A87-E967FDE43264
CrashReporter Key:   d84b036805f6b8eae44a076c75104f5ce56ece8c
Hardware Model:      iPad4,4
Path:                /private/var/mobile/Containers/Bundle/Application/05133EDA-20A8-46CB-B464-748E2414AC42/xxxx.app/xxxx
Code Type:           ARM-64 (Native)
Parent Process:      launchd [1]

Date/Time:           2019-05-18 23:25:01.613 +0800
Launch Time:         2019-05-18 23:25:01.383 +0800
OS Version:          iOS 8.4.1 (12H321)
Report Version:      105

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x00000000f98d79c8
Triggered by Thread:  0

Thread 0 name:
Thread 0 Crashed:
0   ???                             0x00000000f98d79c8 0 + 4186798536
1   dyld                            0x00000001200213f0 ImageLoaderMachO::doInitialization(ImageLoader::LinkContext const&) + 36 (ImageLoaderMachO.cpp:1811)
2   dyld                            0x000000012001d68c ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&, unsigned int, ImageLoader::InitializerTimingList&, ImageLoader::UninitedUpwards&) + 332 (ImageLoader.cpp:1017)
3   dyld                            0x000000012001d4dc ImageLoader::processInitializers(ImageLoader::LinkContext const&, unsigned int, ImageLoader::InitializerTimingList&, ImageLoader::UninitedUpwards&) + 140 (ImageLoader.cpp:489)
4   dyld                            0x000000012001d7a4 ImageLoader::runInitializers(ImageLoader::LinkContext const&, ImageLoader::InitializerTimingList&) + 84 (ImageLoader.cpp:504)
5   dyld                            0x0000000120012154 dyld::initializeMainExecutable() + 200 (dyld.cpp:1122)
6   dyld                            0x00000001200158c0 dyld::_main(macho_header const*, unsigned long, int, char const**, char const**, char const**, unsigned long*) + 2668 (dyld.cpp:4864)
7   dyld                            0x0000000120011044 _dyld_start + 68 (dyldStartup.s:301)

Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000001   x1: 0x000000016fdfbb80   x2: 0x000000016fdfbb90   x3: 0x000000016fdfbc20
    x4: 0x00000001200391e0   x5: 0x000000000000006c   x6: 0x0000000000000000   x7: 0x00000000000008e0
    x8: 0x0000000000000000   x9: 0x0000000100004000  x10: 0x0000000100004510  x11: 0x000000000000e700
   x12: 0x0000000000000020  x13: 0x0000000135e18000  x14: 0x0000000000003fff  x15: 0x0000000000003fff
   x16: 0x0000000194ce1698  x17: 0x000046eeda4ba36b  x18: 0x0000000000000000  x19: 0x000000012003def8
   x20: 0x0000000120039118  x21: 0x00000001200391e0  x22: 0x0000000120034b13  x23: 0x0000000100019ddc
   x24: 0x0000000000000139  x25: 0x0000000000000000  x26: 0x00000001021e8d78  x27: 0x0000000100004be8
   x28: 0x00000001000045f8  fp: 0x000000016fdf7f60   lr: 0x0000000120021238
    sp: 0x000000016fdf7ef0   pc: 0x00000000f98d79c8 cpsr: 0x20000000

Binary Images:
0x100004000 - 0x1021e3fff xxxx arm64  <ed9c9734a32d37f2b6d53dab2957407e> /var/mobile/Containers/Bundle/Application/05133EDA-20A8-46CB-B464-748E2414AC42/xxxx.app/xxxx

预期：在iOS8上自动升级应用后，应用启动成功。

崩溃问题对我们来说很严重，我使用iOS8设备从AppStore下载，它可以成功启动。

如何修复ImageLoaderMachO :: doInitialization之后的ios应用启动崩溃

0 个答案: