[Bug 1206370] Re: subshell that instantly locks up bash, dash, and tcsh

[Seth Arnold]

** Information type changed from Private Security to Public Security

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Title:
  subshell that instantly locks up bash, dash, and tcsh

Status in dash - The Debian Almquist Shell:
  New
Status in tcsh:
  New
Status in “bash” package in Ubuntu:
  New

Bug description:
  Type this at a shell prompt in gnome-terminal:

  $ (yes&)
  y
  y
  y
  y
  y
  y
  ...

  Denial of service. Shell becomes totally unresponsive. Subshell
  command is uninterruptible.

  An old one that affects bash, dash, and tcsh shells at least in all
  versions in Ubuntu and further back in Ubuntu pre-history too.

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