* The crash does not occur if userContent.css did not exist. * The crash does not occur with non-e10s window. Steps To Reproduce: 1. Provide a user profile(named "aaaa") on PC1 (Windows) 3. Create userContent.css in the profile "aaaa" 4. Add a user profile(named "PC1-aaaa") on PC2 (Windows) and point to \\PC1\Users\User\AppData\Roaming\Mozilla\Firefox\Profiles\xxxxxxxx.aaaa 5. Start Nightly on PC2 firefox.exe -P PC1-aaaa Actual Results: Tab crashes Expected Results: Tab should be properly loaded and also applied userContent.css Regression window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=a94448be42e2b6db4630cc120a3c1bf30374451d&tochange=d1d614497fbfc0cc14cd923037ba014b1a503119 Triggered by: d1d614497fbf Wei-Cheng Pan — Bug 1046166 - Send userContent.css URL to content processes. r=dbaron (I will a provide a crash report when Nightly win32 (2016-Aug-17) is successfully built)
Summary: Tab crashes if user profile was in Windows Network and userContent.css is in the profile → [e10s] Tab crashes if user profile was in Windows Network and userContent.css is in the profile
Summary: [e10s] Tab crashes if user profile was in Windows Network and userContent.css is in the profile → [e10s] Tab crashes if user profile is in Windows Network and userContent.css is in the profile
And I notice a taskbar button of runtime sanity test window(which was added by bug 1156135) remains forever.
Crash Signature: [@ mozalloc_abort | NS_DebugBreak | ErrorLoadingBuiltinSheet]
Bug 1211873 triggers the crash when inject userContent.css on network shares to content process.
Depends on: 1211873
Indeed, security.sandbox.content.level=1 fixes the crash. And userContent.css is applied as expected.
Component: CSS Parsing and Computation → Security: Process Sandboxing
The crash was fixed by backed out the offending Bug 1046166. b4a5ab929035 Sebastian Hengst — Backed out changeset d1d614497fbf (bug 1046166) on request of developer for crashes. r=backout a=backout
Crash volume for signature 'mozalloc_abort | NS_DebugBreak | ErrorLoadingBuiltinSheet': - nightly (version 51): 10 crashes from 2016-08-01. - aurora (version 50): 21 crashes from 2016-08-01. - beta (version 49): 13 crashes from 2016-08-02. - release (version 48): 36 crashes from 2016-07-25. - esr (version 45): 31 crashes from 2016-05-02. Crash volume on the last weeks (Week N is from 08-22 to 08-28): W. N-1 W. N-2 W. N-3 - nightly 10 0 0 - aurora 0 1 4 - beta 0 0 9 - release 13 2 0 - esr 0 0 0 Affected platforms: Windows, Linux Crash rank on the last 7 days: Browser Content Plugin - nightly - aurora #42 - beta #634 - release #16 - esr
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