[jdk11u-dev] RFR: 8299677: Formatter.format might take a long time to format an integer or floating-point [v4]

[Paul Hohensee]

> Simple almost clean backport of a potential DOS attack vector fix. Backport from JDK 17 (see https://github.com/openjdk/jdk17u-dev/pull/1077) is clean. Copyright date conflict, plus changed
> 
> Flags.contains(f, Flags.ZERO_PAD)
> 
> to
> 
> f.contains(Flags.ZERO_PAD)
> 
> Passes new and old Formatter tests.

Paul Hohensee has updated the pull request incrementally with two additional commits since the last revision:

 - Merge master
 - Merge master

-------------

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/1667/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/1667/files/cae5c9d8..883ef6f2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1667&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1667&range=02-03

  Stats: 25 lines in 2 files changed: 10 ins; 6 del; 9 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1667.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1667/head:pull/1667

PR: https://git.openjdk.org/jdk11u-dev/pull/1667