Bug #13672: Garbage input hangs ruby (not responding ^C)

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.5.0dev (2017-06-23 trunk 59146) [x86_64-darwin15]
• Backport: 2.2: WONTFIX, 2.3: DONE, 2.4: DONE

[shyouhei (Shyouhei Urabe)]

Passing the attached file makes hang.

ruby hang.rb

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset trunk|r59161.

---

parse.y: check multibyte char

• parse.y (parser_precise_mbclen): check invalid multibyte char at
  skipping strings following ?x literal string, not to stuck in
  a infinite loop. [ruby-core:81746] [Bug #13672]

[usa (Usaku NAKAMURA)]

• Backport changed from 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: REQUIRED to 2.2: WONTFIX, 2.3: REQUIRED, 2.4: REQUIRED

memo: it seems that this not appears on ruby_2_3, but it should be backported.

[usa (Usaku NAKAMURA)]

• Backport changed from 2.2: WONTFIX, 2.3: REQUIRED, 2.4: REQUIRED to 2.2: WONTFIX, 2.3: DONE, 2.4: REQUIRED

ruby_2_3 r59241 merged revision(s) 59161.

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.2: WONTFIX, 2.3: DONE, 2.4: REQUIRED to 2.2: WONTFIX, 2.3: DONE, 2.4: DONE

ruby_2_4 r59401 merged revision(s) 59161.