This bug was filed from the Socorro interface and is report bp-129578b5-3a3a-40a0-921f-33eb82151015. ============================================================= This has risen to #2 on the Nightly 7 day crash reports @ 7.4% of all crashes with 649 crash in the past 4 days. First recent appearance on 2015101203 Frame Module Signature Source 0 xul.dll nsProxyInfo::Release() netwerk/base/nsProxyInfo.cpp 1 xul.dll nsProtocolProxyService::PruneProxyInfo(nsProtocolInfo const&, nsIProxyInfo**) netwerk/base/nsProtocolProxyService.cpp 2 xul.dll nsProtocolProxyService::ApplyFilters(nsIChannel*, nsProtocolInfo const&, nsCOMPtr<nsIProxyInfo>&) netwerk/base/nsProtocolProxyService.h 3 xul.dll nsProtocolProxyService::AsyncResolveInternal(nsIChannel*, unsigned int, nsIProtocolProxyCallback*, nsICancelable**, bool) netwerk/base/nsProtocolProxyService.cpp 4 xul.dll nsProtocolProxyService::AsyncResolve2(nsIChannel*, unsigned int, nsIProtocolProxyCallback*, nsICancelable**) netwerk/base/nsProtocolProxyService.cpp 5 xul.dll mozilla::net::nsHttpChannel::ResolveProxy() netwerk/protocol/http/nsHttpChannel.cpp 6 xul.dll mozilla::net::nsHttpChannel::AsyncOpen(nsIStreamListener*, nsISupports*) netwerk/protocol/http/nsHttpChannel.cpp 7 xul.dll mozilla::net::nsHttpChannel::AsyncOpen2(nsIStreamListener*) netwerk/protocol/http/nsHttpChannel.cpp 8 xul.dll nsUrlClassifierStreamUpdater::FetchUpdate(nsIURI*, nsACString_internal const&, nsACString_internal const&) toolkit/components/url-classifier/nsUrlClassifierStreamUpdater.cpp 9 xul.dll nsUrlClassifierStreamUpdater::FetchUpdate(nsACString_internal const&, nsACString_internal const&, nsACString_internal const&) toolkit/components/url-classifier/nsUrlClassifierStreamUpdater.cpp 10 xul.dll nsUrlClassifierStreamUpdater::DownloadUpdates(nsACString_internal const&, nsACString_internal const&, nsACString_internal const&, nsIUrlClassifierCallback*, nsIUrlClassifierCallback*, nsIUrlClassifierCallback*, bool*) toolkit/components/url-classifier/nsUrlClassifierStreamUpdater.cpp 11 xul.dll nsUrlClassifierStreamUpdater::FetchNextRequest() toolkit/components/url-classifier/nsUrlClassifierStreamUpdater.cpp 12 xul.dll nsUrlClassifierStreamUpdater::UpdateSuccess(unsigned int) toolkit/components/url-classifier/nsUrlClassifierStreamUpdater.c

probably a dup.. but let bagder say