Filed by: philringnalda [at] gmail.com https://treeherder.mozilla.org/logviewer.html#?job_id=4864333&repo=mozilla-central https://autophone.s3.amazonaws.com/v1/task/YDKFrbRWSruKnD_WqrBAVw/runs/0/artifacts/public/build/mochitest-webrtc-mochitests-webrtc.ini-1-nexus-4-7-21745705-f9a7-42a5-9d1a-ba1d06e947b1.log

Appears to be the same crash as in: Bug 1297384 rash reason: SIGSEGV Crash address: 0x0 Process uptime: not available Thread 11 (crashed) 0 libxul.so!RefPtr<mozilla::DataChannelConnection>::operator-> + 0x1e r0 = 0x7ccf655d r1 = 0x7447e4d0 r2 = 0x4b5744a7 r3 = 0x7d8a8838 r4 = 0x00000000 r5 = 0x7447e948 r6 = 0x7447e9a0 r7 = 0x7447e9b8 r8 = 0x7447e9ac r9 = 0x00000000 r10 = 0x80518000 r12 = 0x7c0ad235 fp = 0x7447ec18 sp = 0x7447e928 lr = 0x7b0590ff pc = 0x7b0590fe Found by: given as instruction pointer in context 1 libxul.so!mozilla::DataChannel::GetReadyState [DataChannel.h:3076fad24896 : 403 + 0x3] r4 = 0x89c57e10 r5 = 0x7447e948 r6 = 0x7447e9a0 r7 = 0x7447e9b8 r8 = 0x7447e9ac r9 = 0x00000000 r10 = 0x80518000 fp = 0x7447ec18 sp = 0x7447e930 pc = 0x7b0595ab Found by: call frame info 2 libxul.so!nsDOMDataChannel::UpdateMustKeepAlive [nsDOMDataChannel.cpp:3076fad24896 : 519 + 0x3] r4 = 0x899ba290 r5 = 0x899ba2c4 r6 = 0x7447e9a0 r7 = 0x7447e9b8 r8 = 0x7447e9ac r9 = 0x00000000 r10 = 0x80518000 fp = 0x7447ec18 sp = 0x7447e958 pc = 0x7b063eb9 Found by: call frame info 3 libxul.so!nsDOMDataChannel::Close [nsDOMDataChannel.cpp:3076fad24896 : 255 + 0x5] r4 = 0x899ba290 r5 = 0x80518000 r6 = 0x7447e9a0 r7 = 0x7447e9b8 r8 = 0x7447e9ac r9 = 0x00000000 r10 = 0x80518000 fp = 0x7447ec18 sp = 0x7447e970 pc = 0x7b064005 Found by: call frame info 4 libxul.so!mozilla::dom::DataChannelBinding::close [DataChannelBinding.cpp:3076fad24896 : 458 + 0x3] r4 = 0x7447e9ac r5 = 0x80518000 r6 = 0x7447e9a0 r7 = 0x7447e9b8 r8 = 0x7447e9ac r9 = 0x00000000 r10 = 0x80518000 fp = 0x7447ec18 sp = 0x7447e978 pc = 0x7b45f3d5 Found by: call frame info 5 libxul.so!mozilla::dom::GenericBindingMethod [BindingUtils.cpp:3076fad24896 : 2812 + 0x3] r4 = 0x7b45f3c9 r5 = 0x7d6e22a0 r6 = 0x7447e9a0 r7 = 0x7447e9b8 r8 = 0x7447e9ac r9 = 0x00000000 r10 = 0x80518000 fp = 0x7447ec18 sp = 0x7447e990 pc = 0x7b52533f Found by: call frame info 6 libxul.so!js::CallJSNative [jscntxtinlines.h:3076fad24896 : 235 + 0x3] r4 = 0x81fbd2f0 r5 = 0x00000000 r6 = 0x7447e9f4 r7 = 0x7b525261 r8 = 0x81fbd2e8 r9 = 0x81fbd2e8 r10 = 0x80518000 fp = 0x7447ec18 sp = 0x7447e9e8 pc = 0x7c80a11b Found by: call frame info ...

Same here: maybe bug 1280041 might have fixed this.