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Timeout in net_parse_data_url_fuzzer |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5499012487839744 Fuzzer: libFuzzer_net_parse_data_url_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Timeout (exceeds 25 secs) Crash Address: Crash State: net_parse_data_url_fuzzer Sanitizer: address (ASAN) Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5499012487839744 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information. Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. We will auto-close the bug if the crash is not seen for 14 days.
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Jan 24 2018
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Jan 29 2018
Samples: 34K of event 'cycles', Event count (approx.): 30227466843 Children Self Command Shared Object Symbol + 99.65% 0.00% net_parse_data_ net_parse_da [.] fuzzer::FuzzerDriver + 99.65% 0.00% net_parse_data_ net_parse_da [.] main + 99.65% 0.00% net_parse_data_ libc-2.24.so [.] __libc_start_main + 99.65% 0.00% net_parse_data_ [unknown] [k] 0xd07e258d4c544155 + 99.51% 0.00% net_parse_data_ net_parse_da [.] fuzzer::RunOneTest + 99.34% 0.00% net_parse_data_ net_parse_da [.] fuzzer::Fuzzer::ExecuteCallback + 99.34% 0.00% net_parse_data_ net_parse_da [.] LLVMFuzzerTestOneInput + 99.17% 0.00% net_parse_data_ liburl.so [.] url::(anonymous namespace)::DoCanonicalize<char> + 99.17% 0.00% net_parse_data_ liburl.so [.] url::Canonicalize + 99.17% 0.00% net_parse_data_ liburl.so [.] GURL::InitCanonical<std::__1::basic_string<char, std::__1::char_traits<char>, + 99.17% 0.00% net_parse_data_ liburl.so [.] GURL::GURL + 98.17% 0.00% net_parse_data_ liburl.so [.] url::(anonymous namespace)::DoCanonicalizeStandardURL<char, unsigned char> + 98.16% 0.00% net_parse_data_ liburl.so [.] url::(anonymous namespace)::DoHostSubstring<char, unsigned char> + 98.16% 0.00% net_parse_data_ liburl.so [.] url::(anonymous namespace)::DoHost<char, unsigned char> + 98.16% 0.00% net_parse_data_ liburl.so [.] url::CanonicalizeHost + 98.16% 0.00% net_parse_data_ liburl.so [.] url::CanonicalizeStandardURL + 98.04% 0.00% net_parse_data_ liburl.so [.] url::(anonymous namespace)::DoComplexHost + 96.94% 0.00% net_parse_data_ liburl.so [.] url::(anonymous namespace)::DoIDNHost + 95.76% 0.00% net_parse_data_ liburl.so [.] url::IDNToASCII + 95.75% 0.00% net_parse_data_ libicuuc.so [.] uidna_nameToASCII_60 + 95.73% 0.00% net_parse_data_ libicuuc.so [.] icu_60::UTS46::process + 95.73% 0.00% net_parse_data_ libicuuc.so [.] icu_60::UTS46::nameToASCII + 95.67% 0.11% net_parse_data_ libicuuc.so [.] icu_60::UTS46::processUnicode + 93.17% 0.12% net_parse_data_ libicuuc.so [.] icu_60::UTS46::mapDevChars + 67.15% 0.01% net_parse_data_ libicuuc.so [.] icu_60::UnicodeString::getBuffer + 67.12% 0.01% net_parse_data_ libicuuc.so [.] icu_60::UnicodeString::cloneArrayIfNeeded + 40.09% 15.92% net_parse_data_ libc-2.24.so [.] __memset_sse2_unaligned_erms + 34.23% 34.12% net_parse_data_ libc-2.24.so [.] __memmove_sse2_unaligned_erms + 30.00% 0.00% net_parse_data_ libbase.so [.] tc_malloc + 30.00% 0.00% net_parse_data_ libbase.so [.] (anonymous namespace)::TCMalloc + 29.99% 0.00% net_parse_data_ libbase.so [.] do_debug_malloc_or_debug_cpp_alloc + 29.99% 0.01% net_parse_data_ libbase.so [.] MallocBlock::Allocate + 29.99% 0.00% net_parse_data_ libbase.so [.] DebugAllocate + 29.74% 0.00% net_parse_data_ libbase.so [.] ShimMalloc + 29.74% 0.00% net_parse_data_ libbase.so [.] malloc |
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Comment 1 by brajkumar@chromium.org
, Jan 24 2018Components: Tools>Stability>ClusterFuzz
Labels: Test-Predator-Wrong CF-NeedsTriage