[dovecot/core] ca4c25: lib: Linux, OSX, etc: Avoid race conditions showin...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: ca4c2579f0456072bdb505932a9cf7602e42afd2
      https://github.com/dovecot/core/commit/ca4c2579f0456072bdb505932a9cf7602e42afd2
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2018-05-18 (Fri, 18 May 2018)

  Changed paths:
    M src/lib/process-title.c

  Log Message:
  -----------
  lib: Linux, OSX, etc: Avoid race conditions showing \xAB chars in ps title

With bad luck "ps" reads the process title when it hasn't been fully
written. Since the trailing NULs are written last and the previous code kept
the ps title otherwise filled with \xAB chars, this could have caused ps
to sometimes show the process title filled with \xAB chars (visible as '?')



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