187787 2018-07-18 15:24:07 -0700 Better deal with unexpected descriptor types in IPC::Connection's createMessageDecoder() 2018-07-18 15:57:08 -0700 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED INVALID P2 Normal --- 1 cdumez cdumez achristensen beidson rniwa oldest_to_newest 1443193 0 cdumez 2018-07-18 15:24:07 -0700 Better deal with unexpected descriptor types in IPC::Connection's createMessageDecoder() so that decoding actually fails instead of adding default-constructed IPC::Attachment objects to the Decoder. We have cases where decoding succeeds but the mach_port passed via IPC is null (rdar://problem/41995022) and this could be the cause. 1443195 1 345294 cdumez 2018-07-18 15:25:23 -0700 Created attachment 345294 Patch 345294 2018-07-18 15:25:23 -0700 2018-07-18 15:45:12 -0700 Patch bug-187787-20180718152522.patch text/plain 2902 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjMzOTI0CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDNmYjhlNmNhOGI3MDA5MWM3 OWYzMDk5NjhmNjkwMzg0ZWQ3ODc5MzcuLmFlNDQ5MGM2ZGUxYTg1NzBkNjM2MWMzZmIzNWI2NTcy ODU5M2QyNmEgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTkgQEAKKzIwMTgtMDctMTggIENocmlzIER1 bWV6ICA8Y2R1bWV6QGFwcGxlLmNvbT4KKworICAgICAgICBCZXR0ZXIgZGVhbCB3aXRoIHVuZXhw ZWN0ZWQgZGVzY3JpcHRvciB0eXBlcyBpbiBJUEM6OkNvbm5lY3Rpb24ncyBjcmVhdGVNZXNzYWdl RGVjb2RlcigpCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9p ZD0xODc3ODcKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzQxOTk1MDIyPgorCisgICAgICAgIFJl dmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIEJldHRlciBkZWFsIHdpdGggdW5l eHBlY3RlZCBkZXNjcmlwdG9yIHR5cGVzIGluIElQQzo6Q29ubmVjdGlvbidzIGNyZWF0ZU1lc3Nh Z2VEZWNvZGVyKCkgc28KKyAgICAgICAgdGhhdCBkZWNvZGluZyBhY3R1YWxseSBmYWlscyBpbnN0 ZWFkIG9mIGFkZGluZyBkZWZhdWx0LWNvbnN0cnVjdGVkIElQQzo6QXR0YWNobWVudCBvYmplY3Rz IHRvCisgICAgICAgIHRoZSBEZWNvZGVyLiBXZSBoYXZlIGNhc2VzIHdoZXJlIGRlY29kaW5nIHN1 Y2NlZWRzIGJ1dCB0aGUgbWFjaF9wb3J0IHBhc3NlZCB2aWEgSVBDIGlzIG51bGwKKyAgICAgICAg KHJkYXI6Ly9wcm9ibGVtLzQxOTk1MDIyKSBhbmQgdGhpcyBjb3VsZCBiZSB0aGUgY2F1c2UuCisK KyAgICAgICAgKiBQbGF0Zm9ybS9JUEMvbWFjL0Nvbm5lY3Rpb25NYWMubW06CisgICAgICAgIChJ UEM6OmNyZWF0ZU1lc3NhZ2VEZWNvZGVyKToKKwogMjAxOC0wNy0xOCAgV2Vuc29uIEhzaWVoICA8 d2Vuc29uX2hzaWVoQGFwcGxlLmNvbT4KIAogICAgICAgICBBZGQgU1BJIHRvIGRlZmVyIHJ1bm5p bmcgYXN5bmMgc2NyaXB0IHVudGlsIGFmdGVyIGRvY3VtZW50IGxvYWQKZGlmZiAtLWdpdCBhL1Nv dXJjZS9XZWJLaXQvUGxhdGZvcm0vSVBDL21hYy9Db25uZWN0aW9uTWFjLm1tIGIvU291cmNlL1dl YktpdC9QbGF0Zm9ybS9JUEMvbWFjL0Nvbm5lY3Rpb25NYWMubW0KaW5kZXggZTE1NGE1MjM3NDE2 NDYyNzQ5Y2ZhMTlmNjhkZmIzMjI2ZWZhMTgwYS4uMjVjNWI3MjVhYWYxYTMwNWJjMjhhOWQxZDc0 ZGQzZjRiZWViNGZjNCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYktpdC9QbGF0Zm9ybS9JUEMvbWFj L0Nvbm5lY3Rpb25NYWMubW0KKysrIGIvU291cmNlL1dlYktpdC9QbGF0Zm9ybS9JUEMvbWFjL0Nv bm5lY3Rpb25NYWMubW0KQEAgLTI4LDYgKzI4LDcgQEAKIAogI2ltcG9ydCAiRGF0YVJlZmVyZW5j ZS5oIgogI2ltcG9ydCAiSW1wb3J0YW5jZUFzc2VydGlvbi5oIgorI2ltcG9ydCAiTG9nZ2luZy5o IgogI2ltcG9ydCAiTWFjaE1lc3NhZ2UuaCIKICNpbXBvcnQgIk1hY2hQb3J0LmgiCiAjaW1wb3J0 ICJNYWNoVXRpbGl0aWVzLmgiCkBAIC00MzksMjAgKzQ0MCwyMiBAQCBzdGF0aWMgc3RkOjp1bmlx dWVfcHRyPERlY29kZXI+IGNyZWF0ZU1lc3NhZ2VEZWNvZGVyKG1hY2hfbXNnX2hlYWRlcl90KiBo ZWFkZXIpCiAgICAgaWYgKG1lc3NhZ2VCb2R5SXNPT0wpCiAgICAgICAgIC0tbnVtRGVzY3JpcHRv cnM7CiAKLSAgICAvLyBCdWlsZCBhdHRhY2htZW50IGxpc3QKLSAgICBWZWN0b3I8QXR0YWNobWVu dD4gYXR0YWNobWVudHMobnVtRGVzY3JpcHRvcnMpOworICAgIC8vIEJ1aWxkIGF0dGFjaG1lbnQg bGlzdC4KKyAgICBWZWN0b3I8QXR0YWNobWVudD4gYXR0YWNobWVudHM7CisgICAgYXR0YWNobWVu dHMucmVzZXJ2ZUluaXRpYWxDYXBhY2l0eShudW1EZXNjcmlwdG9ycyk7CiAKICAgICBmb3IgKG1h Y2hfbXNnX3NpemVfdCBpID0gMDsgaSA8IG51bURlc2NyaXB0b3JzOyArK2kpIHsKICAgICAgICAg bWFjaF9tc2dfZGVzY3JpcHRvcl90KiBkZXNjcmlwdG9yID0gcmVpbnRlcnByZXRfY2FzdDxtYWNo X21zZ19kZXNjcmlwdG9yX3QqPihkZXNjcmlwdG9yRGF0YSk7CiAKICAgICAgICAgc3dpdGNoIChk ZXNjcmlwdG9yLT50eXBlLnR5cGUpIHsKICAgICAgICAgY2FzZSBNQUNIX01TR19QT1JUX0RFU0NS SVBUT1I6Ci0gICAgICAgICAgICBhdHRhY2htZW50c1tudW1EZXNjcmlwdG9ycyAtIGkgLSAxXSA9 IEF0dGFjaG1lbnQoZGVzY3JpcHRvci0+cG9ydC5uYW1lLCBkZXNjcmlwdG9yLT5wb3J0LmRpc3Bv c2l0aW9uKTsKLSAgICAgICAgICAgIGRlc2NyaXB0b3JEYXRhICs9IHNpemVvZihtYWNoX21zZ19w b3J0X2Rlc2NyaXB0b3JfdCk7CisgICAgICAgICAgICBhdHRhY2htZW50cy51bmNoZWNrZWRBcHBl bmQoQXR0YWNobWVudChkZXNjcmlwdG9yLT5wb3J0Lm5hbWUsIGRlc2NyaXB0b3ItPnBvcnQuZGlz cG9zaXRpb24pKTsKICAgICAgICAgICAgIGJyZWFrOwogICAgICAgICBkZWZhdWx0OgotICAgICAg ICAgICAgQVNTRVJUKGZhbHNlICYmICJVbmhhbmRsZWQgZGVzY3JpcHRvciB0eXBlIik7CisgICAg ICAgICAgICBSRUxFQVNFX0xPR19FUlJPUihJUEMsICJJUEM6OkNvbm5lY3Rpb246OmNyZWF0ZU1l c3NhZ2VEZWNvZGVyKCkgdW5oYW5kbGVkIG1hY2ggZGVzY3JpcHRvciB0eXBlOiAldSIsIGRlc2Ny aXB0b3ItPnR5cGUudHlwZSk7CisgICAgICAgICAgICBBU1NFUlRfTk9UX1JFQUNIRUQoKTsKICAg ICAgICAgfQorICAgICAgICBkZXNjcmlwdG9yRGF0YSArPSBzaXplb2YobWFjaF9tc2dfcG9ydF9k ZXNjcmlwdG9yX3QpOwogICAgIH0KIAogICAgIGlmIChtZXNzYWdlQm9keUlzT09MKSB7Cg==