206619 2020-01-22 15:24:28 -0800 [JSC] Bits from Operand should fit in bits reserved in AbstractHeap's Payload 2020-01-23 04:50:12 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=206650 InRadar P2 Normal --- 1 ysuzuki ysuzuki ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bug-importer oldest_to_newest 1609775 0 ysuzuki 2020-01-22 15:24:28 -0800 [JSC] Bits from Operand should fit in bits reserved in AbstractHeap's Payload 1609778 1 388475 ysuzuki 2020-01-22 15:29:17 -0800 Created attachment 388475 Patch 1609779 2 ysuzuki 2020-01-22 15:29:20 -0800 <rdar://problem/58270260> 1609935 3 388475 keith_miller 2020-01-22 19:25:31 -0800 Comment on attachment 388475 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=388475&action=review r=me with suggestion. > Source/JavaScriptCore/bytecode/Operands.h:41 > +enum class OperandKind : uint32_t { Argument, Local, Tmp }; // Keep bit-width in sync with Operand::operandKindBits' definition. Nit You can add a `LastOperandKind = Tmp` then compute kindBits from that via getMSBSet. 1610006 4 388475 ysuzuki 2020-01-23 01:20:59 -0800 Comment on attachment 388475 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=388475&action=review >> Source/JavaScriptCore/bytecode/Operands.h:41 >> +enum class OperandKind : uint32_t { Argument, Local, Tmp }; // Keep bit-width in sync with Operand::operandKindBits' definition. > > Nit You can add a `LastOperandKind = Tmp` then compute kindBits from that via getMSBSet. Sounds nice. Fixed. 1610009 5 ysuzuki 2020-01-23 01:39:19 -0800 Committed r254968: <https://trac.webkit.org/changeset/254968> 1610052 6 ysuzuki 2020-01-23 04:50:12 -0800 Follow-up fix. https://trac.webkit.org/changeset/254975/webkit 388475 2020-01-22 15:29:17 -0800 2020-01-22 19:25:31 -0800 Patch bug-206619-20200122152916.patch text/plain 5691 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjU0OTQ1CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCA5 YzU0ZWQ5MDgyODliZTIwOWRkOWVhY2YzMmU3YTc2MjA4MjVmZGY5Li4wMTI4YzMzNTViY2Q2YTUx NWVlYzZmMmU0ZmNhZmU2NWQ2ZmEyOWZhIDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwyNiBAQAorMjAyMC0wMS0yMiAgWXVzdWtlIFN1enVraSAgPHlzdXp1a2lAYXBwbGUuY29t PgorCisgICAgICAgIFtKU0NdIEJpdHMgZnJvbSBPcGVyYW5kIHNob3VsZCBmaXQgaW4gYml0cyBy ZXNlcnZlZCBpbiBBYnN0cmFjdEhlYXAncyBQYXlsb2FkCisgICAgICAgIGh0dHBzOi8vYnVncy53 ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMDY2MTkKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVt LzU4MjcwMjYwPgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAg ICAgIFdlIGV4dGVuZGVkIEpTQzo6T3BlcmFuZCB0byBoYXZlIGFuIGFkZGl0aW9uYWwgZmllbGQg cmVwcmVzZW50aW5nIE9wZXJhbmRLaW5kLgorICAgICAgICBIb3dldmVyLCB3ZSBoYXZlIHJlc3Ry aWN0aW9uIGluIERGRzo6QWJzdHJhY3RIZWFwJ3MgUGF5bG9hZCB0aGF0IE9wZXJhbmQncyByYXcK KyAgICAgICAgYml0cyBmb3JtYXQgbmVlZCB0byBmaXQgaW4gcmVzZXJ2ZWQgYml0cyBpbiBQYXls b2FkJ3MgcmF3IGJpdHMgZm9ybWF0LCA0OSBiaXRzLgorICAgICAgICBTaW5jZSB3ZSBvcmRlcmVk IGZpZWxkcyBvZiBPcGVyYW5kICJtX2tpbmQiIGFuZCAibV9vcGVyYW5kIiwgaW4gbGl0dGxlIGVu ZGlhbgorICAgICAgICBhcmNoaXRlY3R1cmUsIHJhdyBiaXRzIGZvcm1hdCBvZiBPcGVyYW5kIGNh biBleGNlZWQgNDkgYml0cyBpZiBtX29wZXJhbmQgaXMKKyAgICAgICAgbGFyZ2UgZW5vdWdoLgor CisgICAgICAgIFRoaXMgcGF0Y2ggZml4ZXMgdGhlIG9yZGVyIHRvIGVuc3VyZSB0aGF0IE9wZXJh bmQncyByYXcgYml0IGZvcm1hdCBhbHdheXMgZml0cworICAgICAgICBpbiA0OSBiaXRzLgorCisg ICAgICAgICogYnl0ZWNvZGUvT3BlcmFuZHMuaDoKKyAgICAgICAgKEpTQzo6T3BlcmFuZDo6T3Bl cmFuZCk6CisgICAgICAgIChKU0M6Ok9wZXJhbmQ6OmFzQml0cyBjb25zdCk6CisgICAgICAgICog ZGZnL0RGR0Fic3RyYWN0SGVhcC5oOgorCiAyMDIwLTAxLTIyICBDYWlvIExpbWEgIDx0aWNhaW9s aW1hQGdtYWlsLmNvbT4KIAogICAgICAgICBbQVJNdjddIEFzc2VtYmxlciBpcyBnZW5lcmF0aW5n IHdyb25nIGluc3RydWN0aW9uIGZvciBsZHIgcjIsIFtyMywgIzddCmRpZmYgLS1naXQgYS9Tb3Vy Y2UvSmF2YVNjcmlwdENvcmUvYnl0ZWNvZGUvT3BlcmFuZHMuaCBiL1NvdXJjZS9KYXZhU2NyaXB0 Q29yZS9ieXRlY29kZS9PcGVyYW5kcy5oCmluZGV4IGFjZWZmNTc5ODcxMDJkZmE2NDJhN2M2ZjE3 OTc0MzYyNzg5M2Q3YzcuLmMyOGQzNWQwZjcyYzFmN2YzOGU2YzVmNjM4MWU5MjA3MDM2OTY4NmEg MTAwNjQ0Ci0tLSBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9ieXRlY29kZS9PcGVyYW5kcy5oCisr KyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9ieXRlY29kZS9PcGVyYW5kcy5oCkBAIC0zOCwyMSAr MzgsMjggQEAgdGVtcGxhdGU8dHlwZW5hbWUgVD4gc3RydWN0IE9wZXJhbmRWYWx1ZVRyYWl0czsK IGNvbnN0ZXhwciB1bnNpZ25lZCBtYXhOdW1DaGVja3BvaW50VG1wcyA9IDQ7CiAKIC8vIEEgT3Bl cmFuZEtpbmQ6OlRtcCBpcyBvbmUgdGhhdCBleGlzdHMgZm9yIGV4aXRpbmcgdG8gYSBjaGVja3Bv aW50IGJ1dCBkb2VzIG5vdCBleGlzdCBiZXR3ZWVuIGJ5dGVjb2Rlcy4KLWVudW0gY2xhc3MgT3Bl cmFuZEtpbmQgeyBBcmd1bWVudCwgTG9jYWwsIFRtcCB9OworZW51bSBjbGFzcyBPcGVyYW5kS2lu ZCA6IHVpbnQzMl90IHsgQXJndW1lbnQsIExvY2FsLCBUbXAgfTsgLy8gS2VlcCBiaXQtd2lkdGgg aW4gc3luYyB3aXRoIE9wZXJhbmQ6Om9wZXJhbmRLaW5kQml0cycgZGVmaW5pdGlvbi4KIAogY2xh c3MgT3BlcmFuZCB7CiBwdWJsaWM6CisgICAgc3RhdGljIGNvbnN0ZXhwciB1bnNpZ25lZCBraW5k Qml0cyA9IDI7CisgICAgc3RhdGljIGNvbnN0ZXhwciB1bnNpZ25lZCBtYXhCaXRzID0gMzIgKyBr aW5kQml0czsKKwogICAgIE9wZXJhbmQoKSA9IGRlZmF1bHQ7CiAgICAgT3BlcmFuZChjb25zdCBP cGVyYW5kJikgPSBkZWZhdWx0OwogCiAgICAgT3BlcmFuZChWaXJ0dWFsUmVnaXN0ZXIgb3BlcmFu ZCkKLSAgICAgICAgOiBtX2tpbmQob3BlcmFuZC5pc0xvY2FsKCkgPyBPcGVyYW5kS2luZDo6TG9j YWwgOiBPcGVyYW5kS2luZDo6QXJndW1lbnQpCi0gICAgICAgICwgbV9vcGVyYW5kKG9wZXJhbmQu b2Zmc2V0KCkpCisgICAgICAgIDogT3BlcmFuZChvcGVyYW5kLmlzTG9jYWwoKSA/IE9wZXJhbmRL aW5kOjpMb2NhbCA6IE9wZXJhbmRLaW5kOjpBcmd1bWVudCwgb3BlcmFuZC5vZmZzZXQoKSkKICAg ICB7IH0KIAogICAgIE9wZXJhbmQoT3BlcmFuZEtpbmQga2luZCwgaW50IG9wZXJhbmQpCisjaWYg Q1BVKExJVFRMRV9FTkRJQU4pCisgICAgICAgIDogbV9vcGVyYW5kKG9wZXJhbmQpCisgICAgICAg ICwgbV9raW5kKGtpbmQpCisjZWxzZQogICAgICAgICA6IG1fa2luZChraW5kKQogICAgICAgICAs IG1fb3BlcmFuZChvcGVyYW5kKQorI2VuZGlmCiAgICAgeyAKICAgICAgICAgQVNTRVJUKGtpbmQg PT0gT3BlcmFuZEtpbmQ6OlRtcCB8fCBWaXJ0dWFsUmVnaXN0ZXIob3BlcmFuZCkuaXNMb2NhbCgp ID09IChraW5kID09IE9wZXJhbmRLaW5kOjpMb2NhbCkpOwogICAgIH0KQEAgLTY1LDcgKzcyLDEy IEBAIGNsYXNzIE9wZXJhbmQgewogICAgICAgICBBU1NFUlQobV9raW5kICE9IE9wZXJhbmRLaW5k OjpUbXApOwogICAgICAgICByZXR1cm4gVmlydHVhbFJlZ2lzdGVyKG1fb3BlcmFuZCk7CiAgICAg fQotICAgIHVpbnQ2NF90IGFzQml0cygpIGNvbnN0IHsgcmV0dXJuIGJpdHdpc2VfY2FzdDx1aW50 NjRfdD4oKnRoaXMpOyB9CisgICAgdWludDY0X3QgYXNCaXRzKCkgY29uc3QKKyAgICB7CisgICAg ICAgIHVpbnQ2NF90IGJpdHMgPSBiaXR3aXNlX2Nhc3Q8dWludDY0X3Q+KCp0aGlzKTsKKyAgICAg ICAgQVNTRVJUKGJpdHMgPCAoMVVMTCA8PCBtYXhCaXRzKSk7CisgICAgICAgIHJldHVybiBiaXRz OworICAgIH0KICAgICBzdGF0aWMgT3BlcmFuZCBmcm9tQml0cyh1aW50NjRfdCB2YWx1ZSk7CiAK ICAgICBib29sIGlzVG1wKCkgY29uc3QgeyByZXR1cm4ga2luZCgpID09IE9wZXJhbmRLaW5kOjpU bXA7IH0KQEAgLTg0LDggKzk2LDEzIEBAIGNsYXNzIE9wZXJhbmQgewogICAgIHZvaWQgZHVtcChQ cmludFN0cmVhbSYpIGNvbnN0OwogCiBwcml2YXRlOgorI2lmIENQVShMSVRUTEVfRU5ESUFOKQor ICAgIGludCBtX29wZXJhbmQgeyBWaXJ0dWFsUmVnaXN0ZXI6OmludmFsaWRWaXJ0dWFsUmVnaXN0 ZXIgfTsKKyAgICBPcGVyYW5kS2luZCBtX2tpbmQgeyBPcGVyYW5kS2luZDo6QXJndW1lbnQgfTsK KyNlbHNlCiAgICAgT3BlcmFuZEtpbmQgbV9raW5kIHsgT3BlcmFuZEtpbmQ6OkFyZ3VtZW50IH07 CiAgICAgaW50IG1fb3BlcmFuZCB7IFZpcnR1YWxSZWdpc3Rlcjo6aW52YWxpZFZpcnR1YWxSZWdp c3RlciB9OworI2VuZGlmCiB9OwogCiBBTFdBWVNfSU5MSU5FIGJvb2wgT3BlcmFuZDo6b3BlcmF0 b3I9PShjb25zdCBPcGVyYW5kJiBvdGhlcikgY29uc3QKZGlmZiAtLWdpdCBhL1NvdXJjZS9KYXZh U2NyaXB0Q29yZS9kZmcvREZHQWJzdHJhY3RIZWFwLmggYi9Tb3VyY2UvSmF2YVNjcmlwdENvcmUv ZGZnL0RGR0Fic3RyYWN0SGVhcC5oCmluZGV4IDE5MDI1NjI5ZDNmNmZkMTJhMGU4NjJiM2IyMmIy NTcyOGNlYzgzN2MuLmVlNmE0NTNjYjg4OWY3MjhiNGNmNDBjMThkMGVlYzhjZjJkNzZmNjYgMTAw NjQ0Ci0tLSBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9kZmcvREZHQWJzdHJhY3RIZWFwLmgKKysr IGIvU291cmNlL0phdmFTY3JpcHRDb3JlL2RmZy9ERkdBYnN0cmFjdEhlYXAuaApAQCAtMzE5LDYg KzMxOSw3IEBAIGNsYXNzIEFic3RyYWN0SGVhcCB7CiBwcml2YXRlOgogICAgIHN0YXRpYyBjb25z dGV4cHIgdW5zaWduZWQgdmFsdWVTaGlmdCA9IDE1OwogICAgIHN0YXRpYyBjb25zdGV4cHIgdW5z aWduZWQgdG9wU2hpZnQgPSAxNDsKKyAgICBzdGF0aWNfYXNzZXJ0KCg2NCAtIHZhbHVlU2hpZnQp ID49IE9wZXJhbmQ6Om1heEJpdHMsICJPcGVyYW5kIHNob3VsZCBmaXQgaW4gUGF5bG9hZCdzIGVu Y29kZWQgZm9ybWF0Iik7CiAgICAgCiAgICAgUGF5bG9hZCBwYXlsb2FkSW1wbCgpIGNvbnN0CiAg ICAgewpkaWZmIC0tZ2l0IGEvSlNUZXN0cy9DaGFuZ2VMb2cgYi9KU1Rlc3RzL0NoYW5nZUxvZwpp bmRleCAyZDg1OTk2OThmMWVhOTBhNzUxNzI5MzhiYzYzYTNhODU1NDM5MThmLi4zMjQ3Nzk2ZjNj MDg0OGY3M2VmY2ExN2EwMjNiMGQ2N2I1Mjc0NjFhIDEwMDY0NAotLS0gYS9KU1Rlc3RzL0NoYW5n ZUxvZworKysgYi9KU1Rlc3RzL0NoYW5nZUxvZwpAQCAtMSwzICsxLDEzIEBACisyMDIwLTAxLTIy ICBZdXN1a2UgU3V6dWtpICA8eXN1enVraUBhcHBsZS5jb20+CisKKyAgICAgICAgW0pTQ10gQml0 cyBmcm9tIE9wZXJhbmQgc2hvdWxkIGZpdCBpbiBiaXRzIHJlc2VydmVkIGluIEFic3RyYWN0SGVh cCdzIFBheWxvYWQKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dp P2lkPTIwNjYxOQorICAgICAgICA8cmRhcjovL3Byb2JsZW0vNTgyNzAyNjA+CisKKyAgICAgICAg UmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgKiBzdHJlc3Mvb3BlcmFuZC1z aG91bGQtZml0LWluLWFic3RyYWN0LWhlYXAtZW5jb2RlZC1wYXlsb2FkLWZvcm1hdC5qczogQWRk ZWQuCisKIDIwMjAtMDEtMjIgIFl1c3VrZSBTdXp1a2kgIDx5c3V6dWtpQGFwcGxlLmNvbT4KIAog ICAgICAgICBbSlNDXSBEYXRlTWF0aCBzaG91bGQgYWNjZXB0IG1vcmUgSVNPLTg2MDEgdGltZXpv bmUgZGVzaWduYXRvcnMgZXZlbiBpZiB0aGV5IGFyZSBub3QgaW5jbHVkZWQgaW4gRUNNQTI2MiB0 byBwcm9kdWNlIGV4cGVjdGVkIHJlc3VsdHMgaW4gdGhlIHdpbGQgY29kZQpkaWZmIC0tZ2l0IGEv SlNUZXN0cy9zdHJlc3Mvb3BlcmFuZC1zaG91bGQtZml0LWluLWFic3RyYWN0LWhlYXAtZW5jb2Rl ZC1wYXlsb2FkLWZvcm1hdC5qcyBiL0pTVGVzdHMvc3RyZXNzL29wZXJhbmQtc2hvdWxkLWZpdC1p bi1hYnN0cmFjdC1oZWFwLWVuY29kZWQtcGF5bG9hZC1mb3JtYXQuanMKbmV3IGZpbGUgbW9kZSAx MDA2NDQKaW5kZXggMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMC4uMjBi ZDVhOWFmODJkYjE4MDk4ZTM5YzY3YTM4MWI5MzRiZTNiY2IyZgotLS0gL2Rldi9udWxsCisrKyBi L0pTVGVzdHMvc3RyZXNzL29wZXJhbmQtc2hvdWxkLWZpdC1pbi1hYnN0cmFjdC1oZWFwLWVuY29k ZWQtcGF5bG9hZC1mb3JtYXQuanMKQEAgLTAsMCArMSw0IEBACisvL0AgcnVuRGVmYXVsdCgiLS11 c2VDb25jdXJyZW50SklUPTAiLCAiLS1qaXRQb2xpY3lTY2FsZT0wIikKK2NvbnN0IGEgPSBbXTsK K2EubGVuZ3RoID0gNjU1MzI7CitPYmplY3QuY29uc3RydWN0b3IoLi4uYSkoKTsK