143562 2015-04-09 06:35:41 -0700 Network Cache: Crash in WebCore::CachedResource::tryReplaceEncodedData 2015-04-09 09:21:21 -0700 1 1 1 Unclassified WebKit Page Loading 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 koivisto webkit-unassigned commit-queue oldest_to_newest 1083949 0 koivisto 2015-04-09 06:35:41 -0700 For example https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK2%20%28Tests%29/builds/3805 Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: 0x000000000000000a, 0x000000011693b000 VM Regions Near 0x11693b000: Image IO 0000000116931000-000000011693b000 [ 40K] rw-/rwx SM=PRV --> mapped file 000000011693b000-000000011693e000 [ 12K] r--/r-- SM=COW /private/var/folders/* CoreUI image data 000000011693e000-000000011693f000 [ 4K] rw-/rwx SM=PRV Application Specific Information: CRASHING TEST: /css/css-image-loading.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_platform.dylib 0x00007fff8d627db5 _platform_memcmp + 213 1 com.apple.WebCore 0x000000010f23eeea WebCore::CachedResource::tryReplaceEncodedData(WebCore::SharedBuffer&) + 122 (CachedResource.cpp:781) 2 com.apple.WebKit 0x000000010dbb04f2 WebKit::NetworkProcessConnection::didCacheResource(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID) + 86 (NetworkProcessConnection.cpp:97) 3 com.apple.WebKit 0x000000010dbb06be void IPC::handleMessage<Messages::NetworkProcessConnection::DidCacheResource, WebKit::NetworkProcessConnection, void (WebKit::NetworkProcessConnection::*)(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID)>(IPC::MessageDecoder&, WebKit::NetworkProcessConnection*, void (WebKit::NetworkProcessConnection::*)(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID)) + 118 (HandleMessage.h:93) 4 com.apple.WebKit 0x000000010db485e2 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 102 (Connection.cpp:872) 5 com.apple.WebKit 0x000000010db4a7ae IPC::Connection::dispatchOneMessage() + 114 (memory:2593) 6 com.apple.JavaScriptCore 0x000000010edbd7d7 WTF::RunLoop::performWork() + 423 (RunLoop.cpp:106) 7 com.apple.JavaScriptCore 0x000000010edbdea2 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39) 8 com.apple.CoreFoundation 0x00007fff845f6681 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 9 com.apple.CoreFoundation 0x00007fff845e880d __CFRunLoopDoSources0 + 269 10 com.apple.CoreFoundation 0x00007fff845e7e3f __CFRunLoopRun + 927 11 com.apple.CoreFoundation 0x00007fff845e7858 CFRunLoopRunSpecific + 296 12 com.apple.HIToolbox 0x00007fff8d08eaef RunCurrentEventLoopInMode + 235 13 com.apple.HIToolbox 0x00007fff8d08e86a ReceiveNextEventCommon + 431 14 com.apple.HIToolbox 0x00007fff8d08e6ab _BlockUntilNextEventMatchingListInModeWithFilter + 71 15 com.apple.AppKit 0x00007fff8f5aef81 _DPSNextEvent + 964 16 com.apple.AppKit 0x00007fff8f5ae730 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 194 17 com.apple.AppKit 0x00007fff8f5a2593 -[NSApplication run] + 594 18 com.apple.AppKit 0x00007fff8f58da14 NSApplicationMain + 1832 1083950 1 koivisto 2015-04-09 06:35:57 -0700 rdar://problem/15924780 1083951 2 250439 koivisto 2015-04-09 06:45:10 -0700 Created attachment 250439 patch 1083983 3 250439 commit-queue 2015-04-09 09:21:17 -0700 Comment on attachment 250439 patch Clearing flags on attachment: 250439 Committed r182602: <http://trac.webkit.org/changeset/182602> 1083984 4 commit-queue 2015-04-09 09:21:21 -0700 All reviewed patches have been landed. Closing bug. 250439 2015-04-09 06:45:10 -0700 2015-04-09 09:21:17 -0700 patch trunc-map-crash.patch text/plain 2020 koivisto SW5kZXg6IFNvdXJjZS9XZWJLaXQyL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi S2l0Mi9DaGFuZ2VMb2cJKHJldmlzaW9uIDE4MjU5OCkKKysrIFNvdXJjZS9XZWJLaXQyL0NoYW5n ZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE3IEBACisyMDE1LTA0LTA5ICBBbnR0aSBL b2l2aXN0byAgPGFudHRpQGFwcGxlLmNvbT4KKworICAgICAgICBOZXR3b3JrIENhY2hlOiBDcmFz aCBpbiBXZWJDb3JlOjpDYWNoZWRSZXNvdXJjZTo6dHJ5UmVwbGFjZUVuY29kZWREYXRhCisgICAg ICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0xNDM1NjIKKworICAg ICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBJZiBhbm90aGVyIHRo cmVhZCBjb21lcyBhbmQgdHJ1bmNhdGVzIHRoZSBmaWxlIGJlZm9yZSB3ZSBtYXAgaXQgd2UgZW5k IHVwIHdpdGggYSBtYXAgdGhhdCBjcmFzaGVzIHdoZW4gYWNjZXNzZWQuCisKKyAgICAgICAgKiBO ZXR3b3JrUHJvY2Vzcy9jYWNoZS9OZXR3b3JrQ2FjaGVJT0NoYW5uZWxDb2NvYS5tbToKKyAgICAg ICAgKFdlYktpdDo6TmV0d29ya0NhY2hlOjpJT0NoYW5uZWw6OklPQ2hhbm5lbCk6CisKKyAgICAg ICAgICAgIFdoZW4gY3JlYXRpbmcgYSBuZXcgZmlsZSB1bmxpbmsgYW55IGV4aXN0aW5nIGZpbGUg aW5zdGVhZCBvZiB1c2luZyBPX1RSVU5DLgorCiAyMDE1LTA0LTA5ICBDc2FiYSBPc3p0cm9nb27D oWMgIDxvc3N5QHdlYmtpdC5vcmc+CiAKICAgICAgICAgW0VGTF1bR1RLXSBXZWJLaXQyJ3MgZ2Vu ZXJhdGUtZm9yd2FyZGluZy1oZWFkZXJzLnBsIHJ1bnMgdG9vIG1hbnkgdGltZXMKSW5kZXg6IFNv dXJjZS9XZWJLaXQyL05ldHdvcmtQcm9jZXNzL2NhY2hlL05ldHdvcmtDYWNoZUlPQ2hhbm5lbENv Y29hLm1tCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT0KLS0tIFNvdXJjZS9XZWJLaXQyL05ldHdvcmtQcm9jZXNzL2NhY2hl L05ldHdvcmtDYWNoZUlPQ2hhbm5lbENvY29hLm1tCShyZXZpc2lvbiAxODIzOTEpCisrKyBTb3Vy Y2UvV2ViS2l0Mi9OZXR3b3JrUHJvY2Vzcy9jYWNoZS9OZXR3b3JrQ2FjaGVJT0NoYW5uZWxDb2Nv YS5tbQkod29ya2luZyBjb3B5KQpAQCAtNDMsMTIgKzQzLDE1IEBAIElPQ2hhbm5lbDo6SU9DaGFu bmVsKGNvbnN0IFN0cmluZyYgZmlsZVAKICAgICA6IG1fcGF0aChmaWxlUGF0aCkKICAgICAsIG1f dHlwZSh0eXBlKQogeworICAgIGF1dG8gcGF0aCA9IFdlYkNvcmU6OmZpbGVTeXN0ZW1SZXByZXNl bnRhdGlvbihmaWxlUGF0aCk7CiAgICAgaW50IG9mbGFnOwogICAgIG1vZGVfdCBtb2RlOwogCiAg ICAgc3dpdGNoIChtX3R5cGUpIHsKICAgICBjYXNlIFR5cGU6OkNyZWF0ZToKLSAgICAgICAgb2Zs YWcgPSBPX1JEV1IgfCBPX0NSRUFUIHwgT19UUlVOQyB8IE9fTk9OQkxPQ0s7CisgICAgICAgIC8v IFdlIGRvbid0IHdhbnQgdG8gdHJ1bmNhdGUgYW55IGV4aXN0aW5nIGZpbGUgKHdpdGggT19UUlVO QykgYXMgYW5vdGhlciB0aHJlYWQgbWlnaHQgYmUgbWFwcGluZyBpdC4KKyAgICAgICAgdW5saW5r KHBhdGguZGF0YSgpKTsKKyAgICAgICAgb2ZsYWcgPSBPX1JEV1IgfCBPX0NSRUFUIHwgT19OT05C TE9DSzsKICAgICAgICAgbW9kZSA9IFNfSVJVU1IgfCBTX0lXVVNSOwogICAgICAgICBicmVhazsK ICAgICBjYXNlIFR5cGU6OldyaXRlOgpAQCAtNjAsNyArNjMsNiBAQCBJT0NoYW5uZWw6OklPQ2hh bm5lbChjb25zdCBTdHJpbmcmIGZpbGVQCiAgICAgICAgIG1vZGUgPSAwOwogICAgIH0KIAotICAg IENTdHJpbmcgcGF0aCA9IFdlYkNvcmU6OmZpbGVTeXN0ZW1SZXByZXNlbnRhdGlvbihmaWxlUGF0 aCk7CiAgICAgaW50IGZkID0gOjpvcGVuKHBhdGguZGF0YSgpLCBvZmxhZywgbW9kZSk7CiAgICAg bV9maWxlRGVzY3JpcHRvciA9IGZkOwogCg==