Commit Graph

170 Commits

Author SHA1 Message Date
Bhargava Shastry
48da5f07a5 ossfuzz: Create a separate cmake toolchain file for ossfuzz so that multiple fuzzing backends may be used 2019-09-16 18:35:15 +02:00
Bhargava Shastry
403fb7d88c Update logic to track dynamically encoded parameters 2019-09-16 14:25:37 +02:00
chriseth
192946c1ba
Merge pull request #7413 from ethereum/ossfuzz-link-correctly
Link ossfuzz targets with -fsanitize=fuzzer instead of libFuzzingEngine
2019-09-12 20:22:53 +02:00
Bhargava Shastry
a7c987d931 Link ossfuzz targets with -fsanitize=fuzzer instead of libFuzzingEngine supplied by docker image 2019-09-12 11:26:05 +02:00
Bhargava Shastry
34022a2c8c Pseudo-randomly choose object/data identifier that is in scope 2019-09-11 10:57:54 +02:00
Bhargava Shastry
d677a15507 Add object access builtin functions 2019-09-11 10:57:54 +02:00
Bhargava Shastry
e349fb1ce1 Abiv2 proto fuzzer: Crop at least 32 bytes if last dynamically encoded parameter is right padded 2019-09-09 10:07:30 +02:00
Bhargava Shastry
137a898eca Yul proto fuzzer: Fix typo in low level call 2019-09-04 21:14:26 +02:00
Bhargava Shastry
c889e6e015 Yul proto fuzzer: Add create and call opcodes 2019-09-04 19:13:40 +02:00
Bhargava Shastry
6b27ef8fcb Yul proto fuzzer: Additional blockchain opcodes 2019-09-04 19:13:40 +02:00
Bhargava Shastry
fce65ec811 Randomize calldataload and storage slots and use dictionary tokens as function argument 2019-09-04 09:54:57 +02:00
Bhargava Shastry
d066ba71a4 Force call of every valid func declaration 2019-09-04 09:54:57 +02:00
Bhargava Shastry
4837ef4ada Yul proto fuzzer: Make function definition a statement 2019-09-04 09:54:36 +02:00
Bhargava Shastry
bcf0c1810c Yul proto fuzzer: Do not reuse variable names 2019-09-02 15:23:10 +02:00
chriseth
9a6357ab09
Merge pull request #7188 from ethereum/abiv2-use-bytes-string-longer-than-32-bytes
Abiv2 use bytes string longer than 32 bytes
2019-09-02 15:05:43 +02:00
chriseth
bdf29277a2 Change interpreter memory to be non-contiguous. 2019-09-02 13:51:47 +02:00
Bhargava Shastry
46a133e848 Generate bytes and string literals that are longer than 32 bytes 2019-09-02 12:43:47 +02:00
Bhargava Shastry
3963d0ca02 Create bytes/string values of shorter than 32 bytes and adjust invalid encoding length accordingly 2019-09-02 11:30:38 +02:00
Bhargava Shastry
922790730c Do not create duplicate case statements 2019-08-26 12:44:06 +02:00
Bhargava Shastry
86c981d9fa proto fuzzer: Use a yul optimizer dictionary 2019-08-26 12:44:06 +02:00
chriseth
f3f3cac864 Fix for ossfuzz. 2019-08-08 17:35:46 +02:00
chriseth
3dec3af638 Use evmone for testing. 2019-08-08 17:35:44 +02:00
Bhargava Shastry
2f815c5c35 While compiling abiv2 proto generated solidity test program, silently ignore stack too deep errors (exception), throw exception otherwise. 2019-08-06 11:06:09 +02:00
Bhargava Shastry
bf16f2f75e Test low level calls with correct and incorrect encodings 2019-08-06 09:43:55 +02:00
Bhargava Shastry
e018d62a67 Dynamically sized array dimensions can be zero sized 2019-08-01 16:33:57 +02:00
Bhargava Shastry
90d421352a Add bool type and array of bool and dynamic byte types 2019-07-17 14:24:43 +02:00
Bhargava Shastry
00bca77cca Updated evmc to version tracked by evmone v0.1.0 2019-07-17 14:24:27 +02:00
Christian Parpart
810a0de1aa Add evmc and host interface implementation. Modify fuzzer harness to make use of evmc host/vm. 2019-07-17 10:55:33 +02:00
Bhargava Shastry
5aa571e56f Update fuzzing deps in docker image and ossfuzz CMakeLists.txt 2019-07-16 09:10:02 +02:00
Bhargava Shastry
3b33ff1454 Adjust call to suffixedVariableNameList post refactoring in ABIv2 proto fuzzer and slim down dependencies. 2019-07-09 18:18:40 +02:00
chriseth
859dbaa2a3
Merge pull request #7053 from djudjuu/moveSuffixHelper
move SuffixHelper to StringUtils
2019-07-09 14:32:05 +02:00
djudjuu
cafa01cbf6 moved SuffixHelper to StringUtils 2019-07-09 13:50:07 +02:00
Bhargava Shastry
5bc1a68b40 ABIv2 proto fuzzer implementation for a limited set of value and non-value types (arrays included). 2019-07-09 10:50:43 +02:00
Bhargava Shastry
b5cbb1a3e9 For loop with custom init and post blocks and potentially unbounded conditional expression 2019-06-14 08:46:28 +02:00
Bhargava Shastry
f57439035a Do not enclose string literal within double quotes before conversion to u256 2019-05-29 15:52:31 +02:00
Bhargava Shastry
dbae0fa939 Reset Yul string repository before each compilation. 2019-05-28 13:12:39 +02:00
chriseth
91312e657b Skip empty entries in memory and storage dump. 2019-05-23 12:27:56 +02:00
Bhargava Shastry
804368bb51 First commit 2019-05-22 10:15:28 +02:00
chriseth
4bdb981224 Make dialect const& and allocate single instances statically. 2019-05-17 12:54:24 +02:00
Bhargava Shastry
495f7f9013 [Proto fuzzer] Add function calls, and multi variable declaration/assignment statements 2019-05-09 16:00:29 +02:00
chriseth
f113f8e4a0 Implement datasize, dataoffset and datacopy for yul interpreter. 2019-05-06 16:59:47 +02:00
Bhargava Shastry
a5524983f9 [Proto fuzzer]: Add terminating opcodes 2019-05-02 15:34:26 +02:00
Bhargava Shastry
ac7bfec2c0 Support generation of calldata, code, extcode and returndata opcodes 2019-05-02 10:14:25 +02:00
Bhargava Shastry
d894ffad16 Proto fuzzer: Add missing memory and log opcodes and fix visitation bug
for ternary ops
2019-04-30 14:18:00 +02:00
chriseth
1d5559c350
Merge pull request #6554 from ethereum/add-ternary-ops
ossfuzz: Generate addmod and mulmod builtin functions
2019-04-19 00:41:57 +02:00
Bhargava Shastry
836c466f09 ossfuzz: Generate addmod and mulmod builtin functions 2019-04-18 14:21:02 +02:00
Bhargava Shastry
68b7f40184 ossfuzz: Fixes buggy generation of duplicate case literals 2019-04-18 14:12:23 +02:00
Bhargava Shastry
6f673f5e81 Generate break and continue statements inside for loop body. 2019-04-17 13:02:47 +02:00
Bhargava Shastry
484c14af81 Increase upper bound for number of interpreted steps for optimized code 2019-04-10 12:57:54 +02:00
Bhargava Shastry
762dd24784 Reference only those variables that are in scope. 2019-04-04 13:28:56 +02:00
Bhargava Shastry
f15cedad7a yulInterpreter: More fine-grained exception handling 2019-04-04 13:02:55 +02:00
Bhargava Shastry
0cc6e1cb08 Use default EVMVersion instead of a hard coded one 2019-04-02 11:40:59 +02:00
chriseth
3264e9abf0 Make optimiser settings available to assembly stack. 2019-03-28 18:24:13 +01:00
Bhargava Shastry
10c3b31fa4 yulInterpreter: Add timeout based on the number of interpreted statements. 2019-03-27 12:06:02 +01:00
Bhargava Shastry
b3c3a1f9cd Use visitor pattern for proto converter. 2019-03-26 16:39:44 +01:00
Bhargava Shastry
ef94d6d645 yul Interpreter: Move memory size limit to interpreter state. 2019-03-26 14:42:25 +01:00
Bhargava Shastry
a895ccba39 ossfuzz: Enable optimization in Assembly stack assembler call. 2019-03-26 13:42:51 +01:00
Bhargava Shastry
d1d3dd8571 yul proto: Add support for generating string and hex literals. 2019-03-21 12:25:52 +01:00
Bhargava Shastry
22f5a82edc yul proto: Add support for generating for and switch statements. 2019-03-20 18:50:27 +00:00
Bhargava Shastry
6c1d0b62b5 Adds oss-fuzz harnesses to fuzz AssemblyStack API calls for parsing/optimizing StrictAssembly and generating EVM bytecode. 2019-03-20 16:06:45 +01:00
chriseth
834c23fc38
Merge pull request #6289 from ethereum/strictasm_fuzzer_ascii_only
Discard fuzz input containing non ASCII character(s).
2019-03-18 11:44:06 +01:00
Bhargava Shastry
725fc898fd Discard fuzz input containing at least one character not in the following set: "isprint"able, newline, and horizontal
Co-Authored-By: bshastry <bshastry@ethereum.org>
2019-03-18 10:36:43 +01:00
Bhargava Shastry
5e8ed426df Add more binary operations to the yul proto spec. 2019-03-14 22:26:25 +01:00
Bhargava Shastry
5681086d2c Proto spec and translator bug fixes. 2019-03-14 15:40:54 +01:00
Bhargava Shastry
54d0d153fa Reduce input file size for solc and constant optimizer fuzzers. 2019-03-06 11:35:22 +01:00
Bhargava Shastry
a370551ea2 ossfuzz: Reduce test input size to less than equal to 600 bytes. 2019-03-05 16:55:55 +01:00
Bhargava Shastry
d9bcbe6ad5 LibProtobuf Mutator (LPM) based fuzzer for yul subset 2019-03-05 12:32:55 +01:00
chriseth
bbda89c428 Create a differential fuzzer using tracing facility from the yul interpreter. 2019-03-04 20:44:17 +01:00
Bhargava Shastry
4cac45dc4a Add fuzzer config files for oss-fuzz and a solidity fuzzing dictionary.
Update ossfuzz README.md.
2019-02-04 15:58:41 +01:00
Bhargava Shastry
24b1de7df0 This PR refactors and shares oss-fuzz specific test harness code with the afl fuzzer harness. ChangeLog updated. 2019-01-23 11:06:25 +01:00