239588 2022-04-20 21:43:30 -0700 Assertion failure crash on Wasm ref.func use in global 2022-06-01 09:55:14 -0700 1 1 1 Unclassified WebKit WebAssembly WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 asumu webkit-unassigned ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bug-importer ysuzuki oldest_to_newest 1863203 0 asumu 2022-04-20 21:43:30 -0700 Running the following Wasm program in JSC causes a crash due to an assertion failure: ``` function module(bytes, valid = true) { let buffer = new ArrayBuffer(bytes.length); let view = new Uint8Array(buffer); for (let i = 0; i < bytes.length; ++i) { view[i] = bytes.charCodeAt(i); } return new WebAssembly.Module(buffer); } // (module // (type (func)) // (global funcref (ref.func 0)) // (func (type 0))) new WebAssembly.Instance(module("\x00\x61\x73\x6d\x01\x00\x00\x00\x01\x04\x01\x60\x00\x00\x03\x02\x01\x00\x06\x06\x01\x70\x00\xd2\x00\x0b\x0a\x04\x01\x02\x00\x0b")); ``` The crashing invocation and result: ``` $ ~/WebKit/WebKitBuild/GTK/Release/bin/jsc foo.js 1 0x7f16de19e349 WTFCrash 2 0x7f16de10178d /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0(+0x184a78d) [0x7f16de10178d] 3 0x7f16de1022ce /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0(+0x184b2ce) [0x7f16de1022ce] 4 0x7f16de0d98ad /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0(+0x18228ad) [0x7f16de0d98ad] 5 0x7f16de0efcbc /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0(+0x1838cbc) [0x7f16de0efcbc] 6 0x7f1698fff0c7 [0x7f1698fff0c7] Segmentation fault (core dumped) ``` The crash seems to be in `CalleeGroup::embedderEntrypointCalleeFromFunctionIndexSpace` line 86 where there is a `RELEASE_ASSERT(callee);` but the `callee` is uninitialized for some reason. 1865050 1 webkit-bug-importer 2022-04-27 21:44:12 -0700 <rdar://problem/92438940> 1867075 2 458931 asumu 2022-05-05 18:32:28 -0700 Created attachment 458931 Patch 1867218 3 458931 keith_miller 2022-05-06 08:50:12 -0700 Comment on attachment 458931 Patch r=me 1870191 4 459559 asumu 2022-05-18 16:02:23 -0700 Created attachment 459559 Patch 1870192 5 asumu 2022-05-18 16:02:56 -0700 Just removed ChangeLog entries since those have been deprecated. No other changes. 1872165 6 459794 asumu 2022-05-26 15:05:19 -0700 Created attachment 459794 Patch 1873322 7 ews-feeder 2022-06-01 09:55:11 -0700 Committed r295091 (251186@main): <https://commits.webkit.org/251186@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 459794. 458931 2022-05-05 18:32:28 -0700 2022-05-18 16:02:21 -0700 Patch bug-239588-20220505183227.patch text/plain 2972 asumu U3VidmVyc2lvbiBSZXZpc2lvbjogMjkzODcwCmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCBi MGFmMzcwNWZjNTU3ZDczMjNmNGJmMGVjZjA0ZTIzYzI4NjlkMWM1Li5jYTdmYjY2N2NmNWU0ZmY4 MThhZjkxMmI3YzQ1NDNlOTk0Mzc1YTg3IDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwxMyBAQAorMjAyMi0wNS0wNSAgQXN1bXUgVGFraWthd2EgIDxhc3VtdUBpZ2FsaWEuY29t PgorCisgICAgICAgIEZpeCBXYXNtIHJlZmVyZW5jZWQgZnVuY3Rpb24gY2FsY3VsYXRpb24gZm9y IGdsb2JhbHMKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lk PTIzOTU4OAorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAg ICogd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHA6CisgICAgICAgIChKU0M6Oldhc206OlNlY3Rp b25QYXJzZXI6OnBhcnNlSW5pdEV4cHIpOgorCiAyMDIyLTA1LTA1ICBZdXN1a2UgU3V6dWtpICA8 eXN1enVraUBhcHBsZS5jb20+CiAKICAgICAgICAgVW5yZXZpZXdlZCwgcGFydGlhbCByZXZlcnQg b2YgcjI5MzgxMyBiZWNhdXNlIG9mIHByb3Bvc2FsJ3MgaXNzdWUuCmRpZmYgLS1naXQgYS9Tb3Vy Y2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAgYi9Tb3VyY2UvSmF2 YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAKaW5kZXggZDJkYjVkYmY2Yzk2 MTk3NjBlZDM0MjlkMDA4YWFiYjhjNjYxYTMwYi4uMzNiMWUyODNhMzRkYjkwOTEyYzhkNWE0YTg1 MzNmMWM5YjBhZDE4NCAxMDA2NDQKLS0tIGEvU291cmNlL0phdmFTY3JpcHRDb3JlL3dhc20vV2Fz bVNlY3Rpb25QYXJzZXIuY3BwCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS93YXNtL1dhc21T ZWN0aW9uUGFyc2VyLmNwcApAQCAtNjI4LDYgKzYyOCw3IEBAIGF1dG8gU2VjdGlvblBhcnNlcjo6 cGFyc2VJbml0RXhwcih1aW50OF90JiBvcGNvZGUsIHVpbnQ2NF90JiBiaXRzT3JJbXBvcnROdW1i ZXIsCiAgICAgICAgIHVpbnQzMl90IGluZGV4OwogICAgICAgICBXQVNNX1BBUlNFUl9GQUlMX0lG KCFwYXJzZVZhclVJbnQzMihpbmRleCksICJjYW4ndCBnZXQgcmVmLmZ1bmMgaW5kZXgiKTsKICAg ICAgICAgV0FTTV9QQVJTRVJfRkFJTF9JRihpbmRleCA+PSBtX2luZm8tPmZ1bmN0aW9ucy5zaXpl KCksICJyZWYuZnVuYyBpbmRleCIsIGluZGV4LCAiIGV4Y2VlZHMgdGhlIG51bWJlciBvZiBmdW5j dGlvbnMgIiwgbV9pbmZvLT5mdW5jdGlvbnMuc2l6ZSgpKTsKKyAgICAgICAgbV9pbmZvLT5hZGRS ZWZlcmVuY2VkRnVuY3Rpb24oaW5kZXgpOwogCiAgICAgICAgIGlmIChPcHRpb25zOjp1c2VXZWJB c3NlbWJseVR5cGVkRnVuY3Rpb25SZWZlcmVuY2VzKCkpIHsKICAgICAgICAgICAgIFR5cGVJbmRl eCB0eXBlSW5kZXggPSBtX2luZm8tPnR5cGVJbmRleEZyb21GdW5jdGlvbkluZGV4U3BhY2UoaW5k ZXgpOwpkaWZmIC0tZ2l0IGEvSlNUZXN0cy9DaGFuZ2VMb2cgYi9KU1Rlc3RzL0NoYW5nZUxvZwpp bmRleCA4Y2UxMmI0NDg5NjJlZWUzZjNmZDE1Yzc3YzE3MTEwYTZlNmFiYjAxLi4xZDUxYzliYTcy ZWYyMGQyMTBiYjg1M2FlZDk3NGVkODRjNmQ4YjgzIDEwMDY0NAotLS0gYS9KU1Rlc3RzL0NoYW5n ZUxvZworKysgYi9KU1Rlc3RzL0NoYW5nZUxvZwpAQCAtMSwzICsxLDEzIEBACisyMDIyLTA1LTA1 ICBBc3VtdSBUYWtpa2F3YSAgPGFzdW11QGlnYWxpYS5jb20+CisKKyAgICAgICAgRml4IFdhc20g cmVmZXJlbmNlZCBmdW5jdGlvbiBjYWxjdWxhdGlvbiBmb3IgZ2xvYmFscworICAgICAgICBodHRw czovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjM5NTg4CisKKyAgICAgICAgUmV2 aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgKiB3YXNtL3JlZ3Jlc3MvMjM5NTg4 LmpzOiBBZGRlZC4KKyAgICAgICAgKG1vZHVsZSk6CisKIDIwMjItMDUtMDUgIEtlaXRoIE1pbGxl ciAgPGtlaXRoX21pbGxlckBhcHBsZS5jb20+CiAKICAgICAgICAgUmViYXNlbGluZSBpY3UgdGVz dHMgdG8gcHVibGljIHNkaydzIGljdQpkaWZmIC0tZ2l0IGEvSlNUZXN0cy93YXNtL3JlZ3Jlc3Mv MjM5NTg4LmpzIGIvSlNUZXN0cy93YXNtL3JlZ3Jlc3MvMjM5NTg4LmpzCm5ldyBmaWxlIG1vZGUg MTAwNjQ0CmluZGV4IDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAuLmZk ZDQyYWQ0MTkyYTY5MzNkYTY1MmFmZTk5ZmI2N2Y3NmUxMmE2MTYKLS0tIC9kZXYvbnVsbAorKysg Yi9KU1Rlc3RzL3dhc20vcmVncmVzcy8yMzk1ODguanMKQEAgLTAsMCArMSwxNiBAQAorZnVuY3Rp b24gbW9kdWxlKGJ5dGVzLCB2YWxpZCA9IHRydWUpIHsKKyAgbGV0IGJ1ZmZlciA9IG5ldyBBcnJh eUJ1ZmZlcihieXRlcy5sZW5ndGgpOworICBsZXQgdmlldyA9IG5ldyBVaW50OEFycmF5KGJ1ZmZl cik7CisgIGZvciAobGV0IGkgPSAwOyBpIDwgYnl0ZXMubGVuZ3RoOyArK2kpIHsKKyAgICB2aWV3 W2ldID0gYnl0ZXMuY2hhckNvZGVBdChpKTsKKyAgfQorICByZXR1cm4gbmV3IFdlYkFzc2VtYmx5 Lk1vZHVsZShidWZmZXIpOworfQorCisvKgorICogIChtb2R1bGUKKyAqICAgICh0eXBlIChmdW5j KSkKKyAqICAgIChnbG9iYWwgZnVuY3JlZiAocmVmLmZ1bmMgMCkpCisgKiAgICAoZnVuYyAodHlw ZSAwKSkpCisgKi8KK25ldyBXZWJBc3NlbWJseS5JbnN0YW5jZShtb2R1bGUoIlx4MDBceDYxXHg3 M1x4NmRceDAxXHgwMFx4MDBceDAwXHgwMVx4MDRceDAxXHg2MFx4MDBceDAwXHgwM1x4MDJceDAx XHgwMFx4MDZceDA2XHgwMVx4NzBceDAwXHhkMlx4MDBceDBiXHgwYVx4MDRceDAxXHgwMlx4MDBc eDBiIikpOwo= 459559 2022-05-18 16:02:23 -0700 2022-05-26 15:05:17 -0700 Patch bug-239588-20220518160223.patch text/plain 2227 asumu RnJvbSBmMzQ4MTJjZDQ1YmY3OTg1NDY5MWI5MTJhN2U4ZTI1YjdmNDgyYjdlIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBc3VtdSBUYWtpa2F3YSA8YXN1bXVAaWdhbGlhLmNvbT4KRGF0 ZTogVGh1LCA1IE1heSAyMDIyIDE4OjI4OjUxIC0wNzAwClN1YmplY3Q6IFtQQVRDSF0gRml4IFdh c20gcmVmZXJlbmNlZCBmdW5jdGlvbiBjYWxjdWxhdGlvbiBmb3IgZ2xvYmFscwogaHR0cHM6Ly9i dWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIzOTU4OAoKUmV2aWV3ZWQgYnkgTk9CT0RZ IChPT1BTISkuCgpKU1Rlc3RzOgoKKiB3YXNtL3JlZ3Jlc3MvMjM5NTg4LmpzOiBBZGRlZC4KKG1v ZHVsZSk6CgpTb3VyY2UvSmF2YVNjcmlwdENvcmU6CgoqIHdhc20vV2FzbVNlY3Rpb25QYXJzZXIu Y3BwOgooSlNDOjpXYXNtOjpTZWN0aW9uUGFyc2VyOjpwYXJzZUluaXRFeHByKToKLS0tCiBTb3Vy Y2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAgfCAgMSArCiBKU1Rl c3RzL3dhc20vcmVncmVzcy8yMzk1ODguanMgICAgICAgICAgICAgICAgICAgfCAxNiArKysrKysr KysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKykKIGNyZWF0ZSBtb2Rl IDEwMDY0NCBKU1Rlc3RzL3dhc20vcmVncmVzcy8yMzk1ODguanMKCmRpZmYgLS1naXQgYS9Tb3Vy Y2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAgYi9Tb3VyY2UvSmF2 YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAKaW5kZXggZDJkYjVkYmY2Yzk2 Li4zM2IxZTI4M2EzNGQgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS93YXNtL1dh c21TZWN0aW9uUGFyc2VyLmNwcAorKysgYi9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNt U2VjdGlvblBhcnNlci5jcHAKQEAgLTYyOCw2ICs2MjgsNyBAQCBhdXRvIFNlY3Rpb25QYXJzZXI6 OnBhcnNlSW5pdEV4cHIodWludDhfdCYgb3Bjb2RlLCB1aW50NjRfdCYgYml0c09ySW1wb3J0TnVt YmVyLAogICAgICAgICB1aW50MzJfdCBpbmRleDsKICAgICAgICAgV0FTTV9QQVJTRVJfRkFJTF9J RighcGFyc2VWYXJVSW50MzIoaW5kZXgpLCAiY2FuJ3QgZ2V0IHJlZi5mdW5jIGluZGV4Iik7CiAg ICAgICAgIFdBU01fUEFSU0VSX0ZBSUxfSUYoaW5kZXggPj0gbV9pbmZvLT5mdW5jdGlvbnMuc2l6 ZSgpLCAicmVmLmZ1bmMgaW5kZXgiLCBpbmRleCwgIiBleGNlZWRzIHRoZSBudW1iZXIgb2YgZnVu Y3Rpb25zICIsIG1faW5mby0+ZnVuY3Rpb25zLnNpemUoKSk7CisgICAgICAgIG1faW5mby0+YWRk UmVmZXJlbmNlZEZ1bmN0aW9uKGluZGV4KTsKIAogICAgICAgICBpZiAoT3B0aW9uczo6dXNlV2Vi QXNzZW1ibHlUeXBlZEZ1bmN0aW9uUmVmZXJlbmNlcygpKSB7CiAgICAgICAgICAgICBUeXBlSW5k ZXggdHlwZUluZGV4ID0gbV9pbmZvLT50eXBlSW5kZXhGcm9tRnVuY3Rpb25JbmRleFNwYWNlKGlu ZGV4KTsKZGlmZiAtLWdpdCBhL0pTVGVzdHMvd2FzbS9yZWdyZXNzLzIzOTU4OC5qcyBiL0pTVGVz dHMvd2FzbS9yZWdyZXNzLzIzOTU4OC5qcwpuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAw MDAwMDAwMDAuLmZkZDQyYWQ0MTkyYQotLS0gL2Rldi9udWxsCisrKyBiL0pTVGVzdHMvd2FzbS9y ZWdyZXNzLzIzOTU4OC5qcwpAQCAtMCwwICsxLDE2IEBACitmdW5jdGlvbiBtb2R1bGUoYnl0ZXMs IHZhbGlkID0gdHJ1ZSkgeworICBsZXQgYnVmZmVyID0gbmV3IEFycmF5QnVmZmVyKGJ5dGVzLmxl bmd0aCk7CisgIGxldCB2aWV3ID0gbmV3IFVpbnQ4QXJyYXkoYnVmZmVyKTsKKyAgZm9yIChsZXQg aSA9IDA7IGkgPCBieXRlcy5sZW5ndGg7ICsraSkgeworICAgIHZpZXdbaV0gPSBieXRlcy5jaGFy Q29kZUF0KGkpOworICB9CisgIHJldHVybiBuZXcgV2ViQXNzZW1ibHkuTW9kdWxlKGJ1ZmZlcik7 Cit9CisKKy8qCisgKiAgKG1vZHVsZQorICogICAgKHR5cGUgKGZ1bmMpKQorICogICAgKGdsb2Jh bCBmdW5jcmVmIChyZWYuZnVuYyAwKSkKKyAqICAgIChmdW5jICh0eXBlIDApKSkKKyAqLworbmV3 IFdlYkFzc2VtYmx5Lkluc3RhbmNlKG1vZHVsZSgiXHgwMFx4NjFceDczXHg2ZFx4MDFceDAwXHgw MFx4MDBceDAxXHgwNFx4MDFceDYwXHgwMFx4MDBceDAzXHgwMlx4MDFceDAwXHgwNlx4MDZceDAx XHg3MFx4MDBceGQyXHgwMFx4MGJceDBhXHgwNFx4MDFceDAyXHgwMFx4MGIiKSk7Ci0tIAoyLjMw LjIKCg== 459794 2022-05-26 15:05:19 -0700 2022-06-01 09:55:12 -0700 Patch bug-239588-20220526150519.patch text/plain 2227 asumu RnJvbSAzNGJhNWExZjZiNGYyN2IyNzQ3YmE2YWExMjA2YzZiZjBlZTU2ZTk3IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBc3VtdSBUYWtpa2F3YSA8YXN1bXVAaWdhbGlhLmNvbT4KRGF0 ZTogVGh1LCA1IE1heSAyMDIyIDE4OjI4OjUxIC0wNzAwClN1YmplY3Q6IFtQQVRDSF0gRml4IFdh c20gcmVmZXJlbmNlZCBmdW5jdGlvbiBjYWxjdWxhdGlvbiBmb3IgZ2xvYmFscwogaHR0cHM6Ly9i dWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIzOTU4OAoKUmV2aWV3ZWQgYnkgTk9CT0RZ IChPT1BTISkuCgpKU1Rlc3RzOgoKKiB3YXNtL3JlZ3Jlc3MvMjM5NTg4LmpzOiBBZGRlZC4KKG1v ZHVsZSk6CgpTb3VyY2UvSmF2YVNjcmlwdENvcmU6CgoqIHdhc20vV2FzbVNlY3Rpb25QYXJzZXIu Y3BwOgooSlNDOjpXYXNtOjpTZWN0aW9uUGFyc2VyOjpwYXJzZUluaXRFeHByKToKLS0tCiBTb3Vy Y2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAgfCAgMSArCiBKU1Rl c3RzL3dhc20vcmVncmVzcy8yMzk1ODguanMgICAgICAgICAgICAgICAgICAgfCAxNiArKysrKysr KysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKykKIGNyZWF0ZSBtb2Rl IDEwMDY0NCBKU1Rlc3RzL3dhc20vcmVncmVzcy8yMzk1ODguanMKCmRpZmYgLS1naXQgYS9Tb3Vy Y2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAgYi9Tb3VyY2UvSmF2 YVNjcmlwdENvcmUvd2FzbS9XYXNtU2VjdGlvblBhcnNlci5jcHAKaW5kZXggZDJkYjVkYmY2Yzk2 Li4zM2IxZTI4M2EzNGQgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS93YXNtL1dh c21TZWN0aW9uUGFyc2VyLmNwcAorKysgYi9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvd2FzbS9XYXNt U2VjdGlvblBhcnNlci5jcHAKQEAgLTYyOCw2ICs2MjgsNyBAQCBhdXRvIFNlY3Rpb25QYXJzZXI6 OnBhcnNlSW5pdEV4cHIodWludDhfdCYgb3Bjb2RlLCB1aW50NjRfdCYgYml0c09ySW1wb3J0TnVt YmVyLAogICAgICAgICB1aW50MzJfdCBpbmRleDsKICAgICAgICAgV0FTTV9QQVJTRVJfRkFJTF9J RighcGFyc2VWYXJVSW50MzIoaW5kZXgpLCAiY2FuJ3QgZ2V0IHJlZi5mdW5jIGluZGV4Iik7CiAg ICAgICAgIFdBU01fUEFSU0VSX0ZBSUxfSUYoaW5kZXggPj0gbV9pbmZvLT5mdW5jdGlvbnMuc2l6 ZSgpLCAicmVmLmZ1bmMgaW5kZXgiLCBpbmRleCwgIiBleGNlZWRzIHRoZSBudW1iZXIgb2YgZnVu Y3Rpb25zICIsIG1faW5mby0+ZnVuY3Rpb25zLnNpemUoKSk7CisgICAgICAgIG1faW5mby0+YWRk UmVmZXJlbmNlZEZ1bmN0aW9uKGluZGV4KTsKIAogICAgICAgICBpZiAoT3B0aW9uczo6dXNlV2Vi QXNzZW1ibHlUeXBlZEZ1bmN0aW9uUmVmZXJlbmNlcygpKSB7CiAgICAgICAgICAgICBUeXBlSW5k ZXggdHlwZUluZGV4ID0gbV9pbmZvLT50eXBlSW5kZXhGcm9tRnVuY3Rpb25JbmRleFNwYWNlKGlu ZGV4KTsKZGlmZiAtLWdpdCBhL0pTVGVzdHMvd2FzbS9yZWdyZXNzLzIzOTU4OC5qcyBiL0pTVGVz dHMvd2FzbS9yZWdyZXNzLzIzOTU4OC5qcwpuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAw MDAwMDAwMDAuLmZkZDQyYWQ0MTkyYQotLS0gL2Rldi9udWxsCisrKyBiL0pTVGVzdHMvd2FzbS9y ZWdyZXNzLzIzOTU4OC5qcwpAQCAtMCwwICsxLDE2IEBACitmdW5jdGlvbiBtb2R1bGUoYnl0ZXMs IHZhbGlkID0gdHJ1ZSkgeworICBsZXQgYnVmZmVyID0gbmV3IEFycmF5QnVmZmVyKGJ5dGVzLmxl bmd0aCk7CisgIGxldCB2aWV3ID0gbmV3IFVpbnQ4QXJyYXkoYnVmZmVyKTsKKyAgZm9yIChsZXQg aSA9IDA7IGkgPCBieXRlcy5sZW5ndGg7ICsraSkgeworICAgIHZpZXdbaV0gPSBieXRlcy5jaGFy Q29kZUF0KGkpOworICB9CisgIHJldHVybiBuZXcgV2ViQXNzZW1ibHkuTW9kdWxlKGJ1ZmZlcik7 Cit9CisKKy8qCisgKiAgKG1vZHVsZQorICogICAgKHR5cGUgKGZ1bmMpKQorICogICAgKGdsb2Jh bCBmdW5jcmVmIChyZWYuZnVuYyAwKSkKKyAqICAgIChmdW5jICh0eXBlIDApKSkKKyAqLworbmV3 IFdlYkFzc2VtYmx5Lkluc3RhbmNlKG1vZHVsZSgiXHgwMFx4NjFceDczXHg2ZFx4MDFceDAwXHgw MFx4MDBceDAxXHgwNFx4MDFceDYwXHgwMFx4MDBceDAzXHgwMlx4MDFceDAwXHgwNlx4MDZceDAx XHg3MFx4MDBceGQyXHgwMFx4MGJceDBhXHgwNFx4MDFceDAyXHgwMFx4MGIiKSk7Ci0tIAoyLjMw LjIKCg==