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[zstd] Fix decompression edge case
authorNick Terrell <terrelln@fb.com>
Wed, 23 May 2018 19:16:00 +0000 (12:16 -0700)
committerNick Terrell <terrelln@fb.com>
Wed, 23 May 2018 19:16:00 +0000 (12:16 -0700)
commita97e9a627adf18b0efc9f2c4aeeac25b2a2af730
tree94bccc41e884640d0257b041dd6b4400f44d5527tree | snapshot
parent27dc078aa6787328a95dcda4a3faf565dffd7aa3commit | diff
[zstd] Fix decompression edge case

This edge case is only possible with the new optimal encoding selector,
since before zstd would always choose `set_basic` for small numbers of
sequences.

Fix `FSE_readNCount()` to support buffers < 4 bytes.

Credit to OSS-Fuzz
lib/common/entropy_common.c diff | blob | blame | history
Mirror of https://github.com/facebook/zstd.git