[lldb-dev] [Bug 47528] New: LLDB isn't checking signatures when loading modules from a minidump
lldb-dev at lists.llvm.org
Mon Sep 14 13:49:10 PDT 2020
Bug ID: 47528
Summary: LLDB isn't checking signatures when loading modules
from a minidump
OS: Windows NT
Component: All Bugs
Assignee: lldb-dev at lists.llvm.org
Reporter: amccarth at google.com
CC: jdevlieghere at apple.com, llvm-bugs at lists.llvm.org
When loading a minidump for post-mortem debugging, LLDB may select the wrong
executable as the target because it checks only file names rather then
signatures, timestamps, etc. (Also applies to other modules, like DLLs.)
For example, given a minidump from a crashed `C:\Program Files\foo.exe` on a
user's machine, loading that minidump in LLDB in a developer machine might load
a local `foo.exe` simply because it happens to have the same path, even if it
is a different version of the program.
The local one should be rejected based on signature (UUID) and/or other version
information stored in the minidump. Once rejected, LLDB should continue
searching for a matching binary until it finds one that matches or exhausts all
the locations to be searched.
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