下面的代码块是使用 Cronet 的 iOS APP 的崩溃堆栈。
我们正在尝试根据最后一帧 1 在源代码中找到确切的崩溃行,
可以看到,是insert的函数,但不是直接在frame2中调用的(EntryImply::InternalWriteData),
而是在函数 EntryImpl::UserBuffer::Write 中调用,该函数在 frame2 中调用,
但是Write函数没有出现在崩溃堆栈中,
lldb 是否有可能将 Write 视为内联函数?
这是Write和InternalWriteData的源代码。
#19. Crashed: CacheThread_BlockFile
SIGSEGV 0x00000001242e57f7
0 libsystem_platform.dylib 0x22d376de4 _platform_memmove + 164
1 Meipai 0x103f2ec18
std::__1::enable_if<(__is_forward_iterator<char*>::value) && (is_constructible<char, ```
std::__1::iterator_traits<char*>::reference>::value), std::__1::__wrap_iter<char*> >::type std::__1::vector<char, std::__1::allocator<char> >::insert<char*>(std::__1::__wrap_iter<char const*>, char*, char*) + 18623032
2 Meipai 0x103f2f7b0 disk_cache::EntryImpl::InternalWriteData(int, int, net::IOBuffer*, int, base::OnceCallback<void (int)>, bool) + 18626000
3 Meipai 0x103f2f5bc disk_cache::EntryImpl::WriteDataImpl(int, int, net::IOBuffer*, int, base::OnceCallback<void (int)>, bool) + 18625500
4 Meipai 0x103f3b56c disk_cache::SparseControl::DoChildIO() + 18674572
5 Meipai 0x103f3a67c disk_cache::SparseControl::DoChildrenIO() + 18670748
6 Meipai 0x103f3a630 disk_cache::SparseControl::StartIO(disk_cache::SparseControl::SparseOperation, long long, net::IOBuffer*, int, base::OnceCallback<void (int)>) + 18670672
7 Meipai 0x103f2fc88 disk_cache::EntryImpl::WriteSparseDataImpl(long long, net::IOBuffer*, int, base::OnceCallback<void (int)>) + 18627240
8 Meipai 0x103f355e8 disk_cache::BackendIO::ExecuteEntryOperation() + 18650120
9 Meipai 0x103e509c4 base::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 17713124
10 Meipai 0x103e5ffc0 base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWorkImpl(base::sequence_manager::LazyNow*, bool*) + 17776096
11 Meipai 0x103e60408 non-virtual thunk to base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWork() + 17777192
12 Meipai 0x103eba4c8 base::MessagePumpCFRunLoopBase::RunWork() + 18146024