[Tracking Requested - why for this release]: This bug was filed from the Socorro interface and is report bp-d17e3b33-1d2c-420b-97d4-8fa142150921. ============================================================= Reproducible: always Steps to reproduce: 1. Open html file in zip file of attachment 8663581 [details] of Bug 1206651 2. Zoom in (Ctrl++) and Zoom out(Ctrl+-), repeat many times i.e. hold keydown (Ctrl++) and then hold keydown (Ctrl+-) Actual Results: All Tab crash Regression window: https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=3d9c627fc1c5f623e63e0ff7a3758f6975b9db9b&tochange=c5f5f19feef1 Regressed by: Bug 1201796

Half the time I try this, I get these crashes : https://crash-stats.mozilla.com/report/index/52c79ad5-1586-41a7-a20e-20e182150921 https://crash-stats.mozilla.com/report/index/90cb5a6f-6138-443a-9c0f-fa79b2150921 Also got this crash one time : https://crash-stats.mozilla.com/report/index/61796ae9-cc53-4551-8ff7-0055a2150921 And got this one time : https://crash-stats.mozilla.com/report/index/5f4027f3-9a4d-49fc-a2d9-70a1a2150921 And got this one time: https://crash-stats.mozilla.com/report/index/85dc581d-8dd3-4446-aa00-cc9f72150921

[Tracking Requested - why for this release]: Given that we just flipped the version on nightly, and this seems to be pretty bad (see bug 1206673), we should track for both trains that it is in, and probably back out bug 1201796 on both for now.

I get this crash merely visiting 2ch.net. bp-d60c5577-22db-40ac-878b-55dea2150922