169976 2017-03-22 16:15:36 -0700 WebAssembly: add memory fuzzer 2017-05-16 00:23:39 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 170137 159775 171936 1 jfbastien jfbastien buildbot commit-queue fpizlo jfbastien keith_miller mark.lam msaboff oliver saam webkit-bug-importer oldest_to_newest 1290249 0 jfbastien 2017-03-22 16:15:36 -0700 First stab at it forthcoming. 1290252 1 305135 jfbastien 2017-03-22 16:18:43 -0700 Created attachment 305135 memory.js Here's a first attempt at it. I still have a few things to add so it's not a patch yet. I'll work on this when I have downtime on other patches. Sample output with 64 iterations, verbose on, takes 2.6s to run in debug: + memory: section, max: + memory: imported, exported: ^ invoke: instances[0].func() instances[0].max() instances[0].throws() instances[0].max() + memory: section: + memory: section: + memory: none: - delete: delete 0 / 4 delete 0 / 3 delete 1 / 2 + memory: section, exported, max: + memory: section, exported, max: + memory: empty, section: + memory: empty, section: + memory: none: + memory: empty, section: + memory: empty, section: - delete: delete 0 / 8 + memory: empty, section: - delete: delete 6 / 8 delete 6 / 7 + memory: section, exported, max: - delete: delete 3 / 7 delete 0 / 6 delete 0 / 5 delete 1 / 4 delete 1 / 3 delete 0 / 2 + memory: none: - delete: delete 0 / 2 delete 0 / 1 + memory: empty, section: + memory: empty, section: - delete: delete 1 / 2 delete 0 / 1 ^ invoke: nothing to invoke + memory: section: + memory: section, exported, max: + memory: section, exported, max: + memory: empty, section: + memory: none: - delete: delete 1 / 5 delete 1 / 4 delete 2 / 3 ^ invoke: instances[0].max() instances[1].get() instances[1].grow() Grow from 0 (max 4) to 2 returned 0, current now 2 instances[1].get() + memory: none: + memory: section, exported, max: + memory: empty, section: ^ invoke: instances[1].max() instances[4].throws() instances[1].current() instances[4].get() + memory: section, max: + memory: imported, exported: + memory: none: + memory: none: + memory: section, max: + memory: section, max: - delete: delete 0 / 11 delete 3 / 10 delete 5 / 9 delete 4 / 8 delete 2 / 7 delete 3 / 6 delete 3 / 5 + memory: section, exported, max: + memory: section, max: + memory: section: + memory: imported, exported: + memory: none: + memory: section: + memory: section, exported: + memory: section, exported, max: + memory: section, max: + memory: none: + memory: empty, section: + memory: section: + memory: imported, exported: ^ invoke: instances[13].throws() instances[10].grow() Grow from 0 (max 3) to 7 returned -1, current now 0 instances[3].func() instances[7].current() + memory: none: + memory: section: + memory: none: + memory: imported, exported: + memory: empty, section: - delete: delete 20 / 22 delete 13 / 21 delete 15 / 20 delete 7 / 19 delete 7 / 18 delete 2 / 17 delete 10 / 16 delete 7 / 15 delete 4 / 14 delete 7 / 13 delete 6 / 12 delete 0 / 11 delete 5 / 10 delete 8 / 9 delete 7 / 8 + memory: section, exported: Finalizing: delete 3 / 8 delete 5 / 7 delete 5 / 6 delete 0 / 5 delete 0 / 4 delete 1 / 3 delete 0 / 2 delete 0 / 1 1304074 2 webkit-bug-importer 2017-05-03 09:55:16 -0700 <rdar://problem/31965328> 1306935 3 309622 jfbastien 2017-05-10 11:36:52 -0700 Created attachment 309622 patch 1306936 4 buildbot 2017-05-10 11:39:44 -0700 Attachment 309622 did not pass style-queue: ERROR: JSTests/ChangeLog:3: Please consider whether the use of security-sensitive phrasing could help someone exploit WebKit: fuzzer [changelog/unwantedsecurityterms] [3] Total errors found: 1 in 2 files If any of these errors are false positives, please file a bug against check-webkit-style. 1309012 5 309622 keith_miller 2017-05-15 23:55:14 -0700 Comment on attachment 309622 patch r=me. 1309033 6 309622 commit-queue 2017-05-16 00:23:38 -0700 Comment on attachment 309622 patch Clearing flags on attachment: 309622 Committed r216913: <http://trac.webkit.org/changeset/216913> 1309034 7 commit-queue 2017-05-16 00:23:39 -0700 All reviewed patches have been landed. Closing bug. 305135 2017-03-22 16:18:43 -0700 2017-05-10 11:36:52 -0700 memory.js memory.js application/x-javascript 15474 jfbastien aW1wb3J0ICogYXMgYXNzZXJ0IGZyb20gJy4uL2Fzc2VydC5qcyc7CmltcG9ydCBCdWlsZGVyIGZy b20gJy4uL0J1aWxkZXIuanMnOwoKLy8gRklYTUU6IGFkZCB0aGUgZm9sbG93aW5nOgovLyAgLSBh ZGQgc2V0KCkgYW5kIHNoYWRvdyBtZW1vcnksIHRoaXMgcmVxdWlyZXMgdHJhY2tpbmcgd2hlbiBt ZW1vcnkgaXMgc2hhcmVkCi8vICAtIFN1cHBvcnQ6IGVtcHR5LCBleHBvcnRlZAovLyAgLSBJbXBv cnRlZCBtZW1vcnkgY3JlYXRlZCB0aHJvdWdoIHRoZSBKUyBBUEkgKGJvdGggYmVmb3JlIGFuZCBh ZnRlciBpbnN0YW50aWF0aW9uLCB0byBjYXVzZSByZWNvbXBpbGF0aW9uKQovLyAgLSByZWN1cnNp dmUgY2FsbHMgKHJhbmRvbWx5IGNhbGwgb3RoZXIgaW5zdGFuY2UncyBleHBvcnRzLCBwb3RlbnRp YWxseSBleGhhdXN0aW5nIHN0YWNrKQovLyAgLSBTaW1wbGlmeSBjb2RlIGJ5IGFsbG93aW5nIC5D b2RlKCkuRXhwb3J0RnVuY3Rpb24oLi4uKSBpbiBidWlsZGVyCgpjb25zdCB0dW5lID0gewogICAg dmVyYm9zZTogdHJ1ZSwKICAgIG51bVJhbmRvbUl0ZXJhdGlvbnM6IDY0LAogICAgbnVtUmFuZG9t SW52b2tlczogNCwKICAgIG1heEluaXRpYWw6IDgsCiAgICBtYXhNYXg6IDgsCiAgICBtYXhHcm93 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