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Use-of-uninitialized-value in v8::internal::wasm::CallIndirectOperand< |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4677507399024640 Fuzzer: libFuzzer_v8_wasm_async_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: v8::internal::wasm::CallIndirectOperand< v8::internal::wasm::WasmFullDecoder< v8::internal::wasm::WasmFullDecoder< Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=524044:524066 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4677507399024640 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Dec 16 2017
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Dec 16 2017
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it. If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Dec 16 2017
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Dec 18 2017
clemensh@ Could you take a look at this, or help find an owner? Clusterfuzz indicates it may be caused by changes in crrev.com/822476/ or related CLs.
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Dec 18 2017
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Dec 18 2017
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Dec 20 2017
ClusterFuzz has detected this issue as fixed in range 525188:525196. Detailed report: https://clusterfuzz.com/testcase?key=4677507399024640 Fuzzer: libFuzzer_v8_wasm_async_fuzzer Job Type: libfuzzer_chrome_msan Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: v8::internal::wasm::CallIndirectOperand< v8::internal::wasm::WasmFullDecoder< v8::internal::wasm::WasmFullDecoder< Sanitizer: memory (MSAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=524044:524066 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=525188:525196 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4677507399024640 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Mar 27 2018
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Mar 29 2018
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by ClusterFuzz
, Dec 16 2017Labels: Test-Predator-Auto-Components