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base repository: NixOS/nix
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head repository: NixOS/nix
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  • 1 commit
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Commits on Oct 6, 2020

  1. Prevent a deadlock when user namespace setup fails

    Observed on Centos 7 when user namespaces are disabled:
    DerivationGoal::startBuilder() throws an exception, ~DerivationGoal()
    waits for the child process to exit, but the child process hangs
    forever in drainFD(userNamespaceSync.readSide.get()) in
    DerivationGoal::runChild(). Not sure why the SIGKILL doesn't get
    through.
    
    Issue #4092.
    edolstra committed Oct 6, 2020
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