Open
Description
A new crash was discovered for fuzzing target mph.
Here is a snippet of the log:
2019/12/23 14:30:20 downloading seed
2019/12/23 14:30:21 no seed corpus. continue...
2019/12/23 14:30:21 downloading corpus
2019/12/23 14:30:21 no generating corpus yet. continue...
2019/12/23 14:30:21 downloading fuzzer
2019/12/23 14:30:22 downloading additional corpus
2019/12/23 14:30:22 no additional-corpus. skipping...
2019/12/23 14:30:22 Running fuzzing with: ./fuzzer -print_final_stats=1 -exact_artifact_path=./artifact -error_exitcode=76 -max_total_time=3600 corpus additional-corpus seed -rss_limit_mb=1984
FUZZER: INFO: Seed: 3726776796
FUZZER: INFO: 65536 Extra Counters
FUZZER: INFO: 0 files found in corpus
FUZZER: INFO: 0 files found in additional-corpus
FUZZER: INFO: 0 files found in seed
FUZZER: INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 4096 bytes
FUZZER: INFO: A corpus is not provided, starting from an empty corpus
FUZZER: #2 INITED ft: 76 corp: 1/1b lim: 4 exec/s: 0 rss: 26Mb
FUZZER: #3 NEW ft: 78 corp: 2/3b lim: 4 exec/s: 0 rss: 26Mb L: 2/2 MS: 1 InsertByte-
FUZZER: #6 NEW ft: 79 corp: 3/6b lim: 4 exec/s: 0 rss: 26Mb L: 3/3 MS: 3 ChangeByte-CMP-CopyPart- DE: "\x01\x00"-
FUZZER: #336 NEW ft: 80 corp: 4/9b lim: 4 exec/s: 0 rss: 26Mb L: 3/3 MS: 5 ShuffleBytes-CopyPart-ChangeBinInt-ChangeBit-EraseBytes-
FUZZER: #943 REDUCE ft: 80 corp: 4/7b lim: 4 exec/s: 0 rss: 26Mb L: 1/3 MS: 2 EraseBytes-EraseBytes-
FUZZER: #2954 NEW ft: 81 corp: 5/13b lim: 6 exec/s: 0 rss: 26Mb L: 6/6 MS: 1 InsertRepeatedBytes-
FUZZER: #7969 NEW ft: 82 corp: 6/24b lim: 11 exec/s: 0 rss: 28Mb L: 11/11 MS: 5 EraseBytes-EraseBytes-InsertRepeatedBytes-ChangeBinInt-InsertByte-
FUZZER: #17991 REDUCE ft: 134 corp: 7/45b lim: 21 exec/s: 17991 rss: 29Mb L: 21/21 MS: 2 CMP-CrossOver- DE: "\x00\x00\x00\x00"-
FUZZER: ALARM: working on the last Unit for 1200 seconds
FUZZER: and the timeout value is 1200 (use -timeout=N to change)
FUZZER: MS: 1 ChangeByte-; base unit: e6e51fdc0572094ff3574d5b922354589890309e
FUZZER: 0x0,0x0,0x5e,0xa,0x0,0x0,0x0,0xa,0xb5,0xb5,0xb4,0x4a,0xf3,0x4a,0x4a,0x4a,0x3d,0x0,0x0,0x0,0x0,
FUZZER: \x00\x00^\x0a\x00\x00\x00\x0a\xb5\xb5\xb4J\xf3JJJ=\x00\x00\x00\x00
FUZZER: artifact_prefix='./'; Test unit written to ./artifact
FUZZER: Base64: AABeCgAAAAq1tbRK80pKSj0AAAAA
FUZZER: ==26== ERROR: libFuzzer: timeout after 1200 seconds
FUZZER: #0 0x4b059f in __sanitizer_print_stack_trace /tmp/final/llvm.src/projects/compiler-rt/lib/ubsan/ubsan_diag_standalone.cc:29:3
FUZZER: #1 0x4529a8 in fuzzer::PrintStackTrace() /tmp/final/llvm.src/projects/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:206:5
FUZZER: #2 0x430c1d in fuzzer::Fuzzer::AlarmCallback() /tmp/final/llvm.src/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:300:5
FUZZER: #3 0x7f80c8a9e0df (/lib/x86_64-linux-gnu/libpthread.so.0+0x110df)
FUZZER: #4 0x55dc30 in github.com/suggest-go/suggest/pkg/mph.(*mph).Build /home/travis/gopath/src/github.com/suggest-go/suggest/pkg/mph/mph.go:85
FUZZER:
FUZZER: SUMMARY: libFuzzer: timeout
FUZZER: stat::number_of_executed_units: 17992
FUZZER: stat::average_exec_per_sec: 14
FUZZER: stat::new_units_added: 7
FUZZER: stat::slowest_unit_time_sec: 0
FUZZER: stat::peak_rss_mb: 32
2019/12/23 14:50:25 process finished with error = exit status 77
2019/12/23 14:50:25 Exit Status: 77
2019/12/23 14:50:26 uploading crash...
More details can be found here
Cheers,
Fuzzit Bot