[Webkit-unassigned] [Bug 176149] New: Crash in WebCore::WebSocketChannel::fail

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=176149

            Bug ID: 176149
           Summary: Crash in WebCore::WebSocketChannel::fail
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com

Created attachment 319444

  --> https://bugs.webkit.org/attachment.cgi?id=319444&action=review

Backtrace

Crash in WebCore::WebSocketChannel::fail:

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 WebCore::WebSocketChannel::fail at /usr/src/debug/webkitgtk-2.16.3/Source/WebCore/Modules/websockets/WebSocketChannel.cpp:238
 #1 WebCore::WebSocketChannel::didOpenSocketStream at /usr/src/debug/webkitgtk-2.16.3/Source/WebCore/Modules/websockets/WebSocketChannel.cpp:282
 #2 WebCore::SocketStreamHandleImpl::connectedCallback at /usr/src/debug/webkitgtk-2.16.3/Source/WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp:137
 #3 g_task_return_now at gtask.c:1121
 #4 g_task_return at gtask.c:1179
 #5 g_socket_client_async_connect_complete at gsocketclient.c:1369
 #6 g_task_return_now at gtask.c:1121
 #7 g_task_return at gtask.c:1179
 #8 handshake_thread_completed at gtlsconnection-gnutls.c:1431
 #9 g_task_return_now at gtask.c:1121

Better backtrace attached. I have only two reports of this crash, so it's probably low-priority, but I bet it would be safe to just null check m_client in WebSocketChannel::fail.

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