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Bug Graveyard

Here lie the bugs we fixed. Most of them stayed dead.

Most Haunted

The bugs that fought hardest, and the ones that wouldn’t stay dead.

Most resurrected

The bug that keeps coming back

Timezone bug in scheduler (Zombie #2) has risen 2 times.

  1. R.I.P.

    Timezone bug in scheduler

    –

    “Died at 00:00 UTC. Still alive in IST.”

    The grave is empty. It rose again.

Deadliest bugs

Top 5 by hours it took to kill them

  1. 1Two threads, one counter38 hours
  2. 2Array index -122 hours
  3. 3Timezone bug in scheduler (Zombie #1)20 hours
  4. 4Timezone bug in scheduler16 hours
  5. 5Works only on Jashan's laptop14 hours

Most haunted languages

Zombies per language: every bug that came back

  1. Python2 zombies
  2. TypeScript1 zombie

Most common causes of death

Bugs per cause of death

  1. Timezone4 bugs
  2. Cache2 bugs
  3. Null reference2 bugs
  4. Off-by-one2 bugs
  5. CSS1 bug
  6. Dependency hell1 bug
  7. Encoding1 bug
  8. Floating point1 bug
  9. Infinite loop1 bug
  10. Merge conflict1 bug
  11. Race condition1 bug
  12. Works on my machine1 bug