** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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  [artful] panic in update_stack_state when reading /proc/<pid>/stack on

Status in linux package in Ubuntu:
  In Progress

Bug description:
  It seems that when reading /proc/<pid>/stack we can sometimes triggers
  a panic on i386.  This is triggered by an unsafe pointer access when
  validating the stack in the stack unwinder.  This is reproducible in a
  4 cpu 32bit VM with the stress-ng /proc stressor.

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