[llvm-bugs] [Bug 34483] New: Crash in CreateTarget(..) in vim 8.0 python
llvm-bugs at lists.llvm.org
Tue Sep 5 13:15:55 PDT 2017
Bug ID: 34483
Summary: Crash in CreateTarget(..) in vim 8.0 python
OS: MacOS X
Component: All Bugs
Assignee: lldb-dev at lists.llvm.org
Reporter: vasko.tim at gmail.com
CC: llvm-bugs at lists.llvm.org
Created attachment 19105
Crash trace for LLDB when running through VIM 8 via Python27 interpreter
This happens with system-installed lldb (Xcode and toolset), as well as with
freshly compiled lldb on master.
The included python llvm vim-plugin works fine from standalone python
interpreter (excluding vim imports), but crashes when running through Vim. VIM
was built against system-installed Python 2.7.10 (I'm on Sierra 10.12.6).
3rd-party vim 8 installs suffer same/worse issues. It is unclear what is
different about python when running through vim rather than python interpreter;
regardless, crash occurs in lldb.
Behold, code sample:
>>> import lldb
>>> dbg = lldb.SBDebugger.Create()
>>> target = dbg.CreateTarget("/Users/owl/git/bravo/bin/bravo") # custom executable, crashes with any executable really as long as it's a real executable
This code works perfectly when executed from standalone python interpreter. In
vim, it crashes lldb, causing vim to crash. Attached is the crash report, along
with full debug stack trace - source names line numbers, should be enough to
Can't tell yet if problem with swig bindings or not, but looks like there is an
operation on null PythonObject to get it's type.
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