tor/bug31810 at b2d487ae2249a307cd23255dbb1a22241eefd6ef - tor - Git with a cup of Datura seeds

nihilist/tor

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Alexander Færøy 85b4a5c276 Handle errors from execve() in the Unix process backend more gracefully.

This patch removes a call to tor_assert_unreached() after execve()
failed. This assertion leads to the child process emitting a stack trace
on its standard output, which makes the error harder for the user to
demystify, since they think it is an internal error in Tor instead of
"just" being a "no such file or directory" error.

The process will now instead output "Error from child process: X" where
X is the stringified version of the errno value.

See: https://bugs.torproject.org/31810

2019-10-17 20:52:22 +02:00

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   o Minor bugfixes (process management):
     - Remove assertion in the Unix process backend. This assertion would trigger
       when a new process is spawned where the executable is not found leading to
       a stack trace from the child process. Fixes bug 31810; bugfix on 0.4.0.1-alpha.