RESOLVED INVALID148292
this page can make cpu to 100% and the code into while(1) and can't break. 
https://bugs.webkit.org/show_bug.cgi?id=148292
Summary this page can make cpu to 100% and the code into while(1) and can't break.
oo
Reported 2015-08-20 22:41:09 PDT
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alt="正在加载" /><div class="ajaxContent"></div><div class="monitorUse" style="display:none;"><p></p><strong>使用监控:</strong><p>您的浏览器将会以一定的频率刷新所有已显示的图表。您可以在'设置'中添加图表或修改刷新频率，您也可以通过每个图表的齿轮图标来删除图表。</p><p>要从日志中显示查询，请通过按下鼠标左键并拖拽选择一段时间范围。确定后，将会显示出分好组的查询，您可以点击任意 SELECT 查询以进一步分析。</p><p><img src="themes/dot.gif" title="" alt="" class="icon ic_s_attention" /><strong>请注意：</strong><br />启用 general_log 可能会增加 5-15% 的服务器负载。从日志中统计数据同样也是高负载的任务，建议选择一段小范围的时间并在用完监控后禁止 general_log 并清空它的表。</p></div></div><div id="addChartDialog" title="添加图表" style="display:none;"><div id="tabGridVariables"><p><input type="text" name="chartTitle" value="图表标题" /></p><input type="radio" name="chartType" value="preset" id="chartPreset" /><label for="chartPreset">预置图表</label><select name="presetCharts"></select><br/><input type="radio" name="chartType" value="variable" id="chartStatusVar" checked="checked" /><label for="chartStatusVar">状态变量</label><br/><div id="chartVariableSettings"><label for="chartSeries">选择数据:</label><br /><select 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'Qcache_inserts', 'Qcache_lowmem_prunes', 'Qcache_not_cached', 'Qcache_queries_in_cache', 'Qcache_total_blocks', 'Queries', 'Questions', 'Select_full_join', 'Select_full_range_join', 'Select_range', 'Select_range_check', 'Select_scan', 'Slave_heartbeat_period', 'Slave_open_temp_tables', 'Slave_received_heartbeats', 'Slave_retried_transactions', 'Slow_launch_threads', 'Slow_queries', 'Sort_merge_passes', 'Sort_range', 'Sort_rows', 'Sort_scan', 'Ssl_accept_renegotiates', 'Ssl_accepts', 'Ssl_callback_cache_hits', 'Ssl_client_connects', 'Ssl_connect_renegotiates', 'Ssl_ctx_verify_depth', 'Ssl_ctx_verify_mode', 'Ssl_default_timeout', 'Ssl_finished_accepts', 'Ssl_finished_connects', 'Ssl_session_cache_hits', 'Ssl_session_cache_misses', 'Ssl_session_cache_overflows', 'Ssl_session_cache_size', 'Ssl_session_cache_timeouts', 'Ssl_sessions_reused', 'Ssl_used_session_cache_entries', 'Ssl_verify_depth', 'Ssl_verify_mode', 'Table_locks_immediate', 'Table_locks_waited', 'Tc_log_max_pages_used', 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Attachments
Add attachment proposed patch, testcase, etc.
oo
Comment 1 2015-08-20 22:45:07 PDT
webkit version:r154377 FontCache.cpp -> getCachedFontData -> gFontDataCache->set(*platformData, newValue); it have a while(1) and can't break. oh，god!
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