225410 2021-05-05 13:16:09 -0700 Forbid further execution in jsc shell if execution is terminated. 2021-05-06 09:24:17 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 mark.lam mark.lam ews-watchlist keith_miller msaboff saam tzagallo webkit-bug-importer oldest_to_newest 1757068 0 mark.lam 2021-05-05 13:16:09 -0700 Also re-implement WorkerOrWorkletScriptController::forbidExecution() and isExecutionForbidden() using the VM's notion of the flag. rdar://77548608 1757074 1 427797 mark.lam 2021-05-05 13:23:51 -0700 Created attachment 427797 propose patch. 1757091 2 427797 msaboff 2021-05-05 14:06:16 -0700 Comment on attachment 427797 propose patch. View in context: https://bugs.webkit.org/attachment.cgi?id=427797&action=review r=me with a suggested change. > Source/JavaScriptCore/runtime/VM.h:345 > + void setExecutionForbidden(bool value) { m_executionForbidden = value; } Seem like we only want to go from "execution allowed", e.g. m_executionForbidden == false, to "execution forbidden", e.g. m_executionForbidden == true. I suggest we eliminate the argument to setExecutionForbidden() and have it always set m_executionForbidden to true. 1757093 3 mark.lam 2021-05-05 14:07:38 -0700 (In reply to Michael Saboff from comment #2) > Comment on attachment 427797 [details] > propose patch. > > View in context: > https://bugs.webkit.org/attachment.cgi?id=427797&action=review > > r=me with a suggested change. > > > Source/JavaScriptCore/runtime/VM.h:345 > > + void setExecutionForbidden(bool value) { m_executionForbidden = value; } > > Seem like we only want to go from "execution allowed", e.g. > m_executionForbidden == false, to "execution forbidden", e.g. > m_executionForbidden == true. I suggest we eliminate the argument to > setExecutionForbidden() and have it always set m_executionForbidden to true. I agree. That's probably the better approach until we find evidence to the contrary. 1757442 4 mark.lam 2021-05-06 09:24:17 -0700 Thanks for the review. I've made the suggested change. Landed in r277094: <http://trac.webkit.org/r277094>. 427797 2021-05-05 13:23:51 -0700 2021-05-05 21:43:58 -0700 propose patch. bug-225410.patch text/plain 7669 mark.lam SW5kZXg6IEpTVGVzdHMvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIEpTVGVzdHMvQ2hhbmdlTG9n CShyZXZpc2lvbiAyNzcwMzUpCisrKyBKU1Rlc3RzL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpA QCAtMSwzICsxLDEzIEBACisyMDIxLTA1LTA1ICBNYXJrIExhbSAgPG1hcmsubGFtQGFwcGxlLmNv bT4KKworICAgICAgICBGb3JiaWQgZnVydGhlciBleGVjdXRpb24gaW4ganNjIHNoZWxsIGlmIGV4 ZWN1dGlvbiBpcyB0ZXJtaW5hdGVkLgorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9z aG93X2J1Zy5jZ2k/aWQ9MjI1NDEwCisgICAgICAgIHJkYXI6Ly83NzU0ODYwOAorCisgICAgICAg IFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgICogc3RyZXNzL2pzYy1zaGVs bC1mb3JiaWQtZXhlY3V0aW9uLWFmdGVyLXRlcm1pbmF0aW9uLmpzOiBBZGRlZC4KKwogMjAyMS0w NS0wNSAgU2FhbSBCYXJhdGkgIDxzYmFyYXRpQGFwcGxlLmNvbT4KIAogICAgICAgICBVcGRhdGUg 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