https://bugs.llvm.org/show_bug.cgi?id=36968
Bug ID: 36968
Summary: debugserver: Assertion Failed in GetRegisterContext
Product: lldb
Version: unspecified
Hardware: PC
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev@lists.llvm.org
Reporter: alessandro.arzi...@gmail.com
CC: llvm-b...@lists.llvm.org
Hi,
I'm a maintainer of Delve [1] a debugger for the Go [2] programming language.
On macOS we are using debugserver as our backend and starting with a recent
update of the Command Line Tools our users are reporting a systematic crash of
debugserver [3][4], specifically:
Assertion failed: (bytes_written == size), function GetRegisterContext, file
/Library/Caches/com.apple.xbs/Sources/lldb/lldb-902.0.79.2/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp,
line 2689.
This happens in response to us sending the g command for the first time. To me
this sounds like a bug in debugserver.
[1] http://github.com/derekparker/delve/
[2] https://golang.org/
[3] https://github.com/derekparker/delve/issues/1015#issuecomment-377595278
[4] https://github.com/derekparker/delve/issues/1165
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