[all-commits] [llvm/llvm-project] f8a4f6: [lldb] Avoid a crash after selecting an unknown pl...

[Igor Kudrin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f8a4f61101bbed236adfeca58e59cac4b95afe15
      https://github.com/llvm/llvm-project/commit/f8a4f61101bbed236adfeca58e59cac4b95afe15
  Author: Igor Kudrin <ikudrin at accesssoftek.com>
  Date:   2025-08-05 (Tue, 05 Aug 2025)

  Changed paths:
    M lldb/source/Target/Platform.cpp
    M lldb/unittests/Platform/PlatformTest.cpp

  Log Message:
  -----------
  [lldb] Avoid a crash after selecting an unknown platform (#151803)

`PlatformList::Create()` added an item to the list even when
`Platform::Create()` returned `nullptr`. Other methods use these items
without checking, which can lead to a crash. For example:

```
> lldb
(lldb) platform select unknown
error: unable to find a plug-in for the platform named "unknown"
(lldb) file a.out-arm64
PLEASE submit a bug report to...
Stack dump:
0.      Program arguments: lldb
1.      HandleCommand(command = "file a.out-arm64 ")
...
```



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