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authorMaksym Vatsyk <maksym.vatsyk@leviathansecurity.com>2023-12-04 17:23:24 +0100
committerJia Tan <jiat0218@gmail.com>2023-12-07 20:06:57 +0800
commit7ca8c9869df82756c3128c4fcf1058da4d18aa48 (patch)
tree598fbeca970dc95913adf93fda95741d6f0b9769 /tests/ossfuzz/config/fuzz_lzma.dict
parentTests: Update OSS-Fuzz Makefile. (diff)
downloadxz-7ca8c9869df82756c3128c4fcf1058da4d18aa48.tar.xz
Tests: Add fuzz_decode_alone OSS-Fuzz target
This fuzz target that handles LZMA alone decoding. A new fuzz dictionary .dict was also created with common LZMA header values to help speed up the discovery of valid headers.
Diffstat (limited to 'tests/ossfuzz/config/fuzz_lzma.dict')
-rw-r--r--tests/ossfuzz/config/fuzz_lzma.dict22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ossfuzz/config/fuzz_lzma.dict b/tests/ossfuzz/config/fuzz_lzma.dict
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index 00000000..38d4da3e
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+++ b/tests/ossfuzz/config/fuzz_lzma.dict
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+# first 5 header bytes of .lzma archives based on the info from
+# https://github.com/tukaani-project/xz/blob/master/doc/lzma-file-format.txt
+
+# byte 0 value (properties=0x5d) is created by encoding
+# common values (lc=3, lp=0, pb=2) using the algorithm,
+# described in the documentation above
+
+
+# compression preset 1 (dictionary size = 0x00100000)
+"\x5d\x00\x00\x10\x00"
+# compression preset 2 (dictionary size = 0x00200000)
+"\x5d\x00\x00\x20\x00"
+# compression preset 3, 4 (dictionary size = 0x00400000)
+"\x5d\x00\x00\x40\x00"
+# compression preset 5, 6 (dictionary size = 0x00800000)
+"\x5d\x00\x00\x80\x00"
+# compression preset 7 (dictionary size = 0x01000000)
+"\x5d\x00\x00\x00\x01"
+# compression preset 8 (dictionary size = 0x02000000)
+"\x5d\x00\x00\x00\x02"
+# compression preset 9 (dictionary size = 0x04000000)
+"\x5d\x00\x00\x00\x04"