【发布时间】：2021-09-11 22:38:51
【问题描述】：
我编写了一个在 macOS Big Sur 上运行良好的 QT 应用程序。最近我升级到 MacOS 12 beta 2。编译过程仍然有效。但应用程序无法启动。回溯堆栈显示它在 dyld 进程中崩溃。
dyld[16971]: Assertion failed: (idx < _usedCount), function operator[], file Array.h, line 54.
* thread #1, stop reason = signal SIGABRT
* frame #0: 0x000000010039cf5a dyld`__abort_with_payload + 10
frame #1: 0x00000001003b303f dyld`abort_with_payload_wrapper_internal + 80
frame #2: 0x00000001003b3071 dyld`abort_with_payload + 9
frame #3: 0x00000001003624d7 dyld`dyld4::halt(char const*) + 375
frame #4: 0x00000001003b2805 dyld`abort_report_np + 173
frame #5: 0x00000001003b2842 dyld`__assert_rtn + 61
frame #6: 0x00000001003b0c1e dyld`invocation function for block in dyld4::Loader::applyFixupsGeneric(Diagnostics&, dyld4::RuntimeState&, dyld3::Array<void const*> const&, dyld3::Array<void const*> const&, bool, dyld3::Array<dyld4::Loader::MissingFlatLazySymbol> const&) const + 33
frame #7: 0x000000010036c534 dyld`invocation function for block in dyld4::Loader::applyFixupsGeneric(Diagnostics&, dyld4::RuntimeState&, dyld3::Array<void const*> const&, dyld3::Array<void const*> const&, bool, dyld3::Array<dyld4::Loader::MissingFlatLazySymbol> const&) const + 233
frame #8: 0x00000001003954fa dyld`dyld3::MachOAnalyzer::forEachBind_OpcodesWeak(Diagnostics&, dyld3::MachOLoaded::LinkEditInfo const&, dyld3::MachOFile::SegmentInfo const*, void (char const*, dyld3::MachOLoaded::LinkEditInfo const&, dyld3::MachOFile::SegmentInfo const*, bool, bool, unsigned int, int, unsigned int, unsigned char, unsigned long long, unsigned char, char const*, bool, bool, unsigned long long, bool, bool&) block_pointer, void (char const*) block_pointer) const + 606
frame #9: 0x00000001003948c2 dyld`dyld3::MachOAnalyzer::forEachBindUnified_Opcodes(Diagnostics&, bool, void (unsigned long long, dyld3::MachOAnalyzer::BindTargetInfo const&, bool&) block_pointer, void (unsigned long long, dyld3::MachOAnalyzer::BindTargetInfo const&, bool&) block_pointer) const + 818
frame #10: 0x000000010039603f dyld`dyld3::MachOAnalyzer::forEachBindLocation_Opcodes(Diagnostics&, void (unsigned long long, unsigned int, bool&) block_pointer, void (unsigned long long, unsigned int, bool&) block_pointer) const + 105
frame #11: 0x000000010036c19f dyld`dyld4::Loader::applyFixupsGeneric(Diagnostics&, dyld4::RuntimeState&, dyld3::Array<void const*> const&, dyld3::Array<void const*> const&, bool, dyld3::Array<dyld4::Loader::MissingFlatLazySymbol> const&) const + 407
frame #12: 0x000000010036f452 dyld`dyld4::JustInTimeLoader::applyFixups(Diagnostics&, dyld4::RuntimeState&, dyld4::DyldCacheDataConstLazyScopedWriter&, bool) const + 534
frame #13: 0x000000010035dd15 dyld`dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*) + 1876
frame #14: 0x000000010035d4b4 dyld`start + 388
由于我在 dyld 期间无法停止并且没有 dyld 的源代码，因此我使用了一些标志来显示该过程。然后我得到了以下信息：
...
dyld[16806]: mprotect 0x000106D9C000->0x000106DA0000 to read-only
dyld[16806]: <libabsl_raw_hash_set.2103.0.1.dylib/bind#0> -> 0x7ff805b6d2b1 (libdyld.dylib/__tlv_bootstrap)
dyld[16806]: fixup: *0x000106DB0018 = 0x000106DB0000 <rebase>
dyld[16806]: fixup: *0x000106DB0000 = 0x7FF805B6D2B1 <libabsl_raw_hash_set.2103.0.1.dylib/bind#0>
dyld[16806]: Assertion failed: (idx < _usedCount), function operator[], file Array.h, line 54.
我的问题是：1）有什么方法可以调试 dyld 并找出导致此错误的库？ 2) dyld 日志是否意味着错误在 libabsl_raw_hash_set 库中？ 3) 有没有可能是dyld本身的错误，会在MacOS Monterey的发行版中修复？
非常感谢！
【问题讨论】：
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请将此报告给 Apple 错误报告系统 (bugreporter.apple.com)。如果是错误，这是确保问题得到解决的最有效方法，如果不是，查看错误报告的人可能会知道究竟出了什么问题。
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@JimIngham 感谢您的评论。我已通过 beta 反馈应用程序向 Apple 发送了反馈。仍在等待他们的回应。
标签： c++ lldb dyld macos-monterey