** Changed in: linux (Ubuntu Artful)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1747263

Title:
  [artful] panic in update_stack_state when reading /proc/<pid>/stack on
  i386

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Artful:
  Fix Committed

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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