[CFF] check out of range FD index (#1477)
authorMichiharu Ariza <ariza@adobe.com>
Thu, 13 Dec 2018 01:36:01 +0000 (17:36 -0800)
committerBehdad Esfahbod <behdad@behdad.org>
Thu, 13 Dec 2018 01:36:01 +0000 (20:36 -0500)
commitbcb4ecaf68c7219e89a801352bfc6a682b1581ef
tree2d5e084ad68d40783c584175eef2e3a04bd59e47
parent3f8e7a98d3cc10fefe65b9638c8abdf3ebe152cb
[CFF] check out of range FD index (#1477)

* add fd index checks to subr subsetter

also added oss-fuzz test case

* undid SubrSubsetParam::is_valid

because already validated by SubrClosures.valid
src/hb-subset-cff-common.hh
test/fuzzing/fonts/clusterfuzz-testcase-hb-subset-fuzzer-5762137968869376 [new file with mode: 0644]