Hang in angle_translator_fuzzer |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=5249780411531264 Fuzzer: libfuzzer_angle_translator_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Hang Crash Address: Crash State: angle_translator_fuzzer Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=420334:420440 Minimized Testcase (0.25 Kb): Download: https://cluster-fuzz.appspot.com/download/AMIfv9746Ze9FDUtZ3nY5BjFA9MBOgI51vpB-SJ4xWTVy5GGojAwtUMkFgxEhlR2gLI2f3YJj_N3npQLJdvNSym6vPDZ6F-Gf7vCC4pEWUFm-UxvZ-Pc6R6MkM2sg1eAbY3s4trE0aH8FnxO20vh8RcoqWmXccX6og?testcase_id=5249780411531264 0� I� precision mediump float; vary*ng mediump float c; fZoat bC= vec4(5.5, 7, fals aryin varying mediump vec3 v_coGL_NV_Eords; struct T { mediump float a; }; struct S { T b[16382]; }; uniform S s[254]; void main (void) { } Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
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Nov 28 2016
Find it did not provide any possible suspects, assigning to the concern owner from the regression range, https://chromium.googlesource.com/chromium/src/+log/0b4708756ec96cae9a3770943158d519cdeb9fec..de9d174037a46f955c33513ac452e011c0520c27?pretty=fuller Suspecting the Change list -- https://chromium.googlesource.com/chromium/src/+/98bea5472ae292ed699c3ecdb7512cee1de5904a @cwallez -- Could you please look into the issue, kindly re-assign if it is not related to your changes. Thank You.
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Nov 28 2016
Thanks for the heads up. It makes sense that this takes a long time as ANGLE does work proportional to the size of the uniforms. Closing as won't fix.
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Dec 20 2016
Issue 675142 has been merged into this issue.
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Apr 13 2017
Corentin, do you think this kind of an issue could be mitigated by counting uniforms and checking them against some limit earlier in the parsing process?
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Apr 18 2017
Yes that would fix these issues.
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Apr 18 2017
Issue 711719 has been merged into this issue. |
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Comment 1 by ajha@chromium.org
, Nov 27 2016