[lldb-dev] [Bug 48858] New: LLDB crashes printing stack trace during assertion

[via lldb-dev]

https://bugs.llvm.org/show_bug.cgi?id=48858

            Bug ID: 48858
           Summary: LLDB crashes printing stack trace during assertion
           Product: lldb
           Version: 11.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: llvm at martijnotto.nl
                CC: jdevlieghere at apple.com, llvm-bugs at lists.llvm.org

If an assertion is triggered in just the right spot lldb will crash. This is
message from LLDB:

PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace.
/usr/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm3sys15PrintStackTraceERNS_11raw_ostreamE+0x1f)[0x7f66db3e9e8f]
/usr/lib/x86_64-linux-gnu/libLLVM-11.so.1(_ZN4llvm3sys17RunSignalHandlersEv+0x50)[0x7f66db3e8200]
/usr/lib/x86_64-linux-gnu/libLLVM-11.so.1(+0xbbb365)[0x7f66db3ea365]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12730)[0x7f66da820730]
/usr/lib/x86_64-linux-gnu/libclang-cpp.so.11(+0xd841d9)[0x7f66d793b1d9]
/usr/lib/x86_64-linux-gnu/libclang-cpp.so.11(+0xd839a5)[0x7f66d793a9a5]
/usr/lib/x86_64-linux-gnu/libclang-cpp.so.11(_ZNK5clang10ASTContext18getASTRecordLayoutEPKNS_10RecordDeclE+0x173c)[0x7f66d79328dc]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0xa0b88f)[0x7f66da26a88f]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x65b18b)[0x7f66d9eba18b]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x5b40ed)[0x7f66d9e130ed]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x5b3743)[0x7f66d9e12743]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x5d1fc0)[0x7f66d9e30fc0]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x57e1c1)[0x7f66d9ddd1c1]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x57be92)[0x7f66d9ddae92]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x57be92)[0x7f66d9ddae92]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x57be0f)[0x7f66d9ddae0f]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x6d7378)[0x7f66d9f36378]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x6d7795)[0x7f66d9f36795]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x6dc3d2)[0x7f66d9f3b3d2]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x70e126)[0x7f66d9f6d126]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x6b08cb)[0x7f66d9f0f8cb]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x6afe43)[0x7f66d9f0ee43]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x56c7d8)[0x7f66d9dcb7d8]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x56cf65)[0x7f66d9dcbf65]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x56d186)[0x7f66d9dcc186]
/usr/lib/x86_64-linux-gnu/liblldb-11.so.1(+0x612ea9)[0x7f66d9e71ea9]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x7fa3)[0x7f66da815fa3]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7f66d67cc4cf]
fish: “lldb ./build/Debug/Wire” terminated by signal SIGSEGV (Address boundary
error)

I have tried setting a breakpoint a few lines before the assertion triggers,
but lldb doesn't catch it (whatever causes it to fail must have already
happened at this point).

LLDB and clang version:
11.1.0~++20210112082949+9bbcb554cdbf-1~exp1~20210112193605.156
OS: Debian stable

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