[Webkit-unassigned] [Bug 107240] New: [Soup] Frequent crashes on redirections

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jan 18 01:23:59 PST 2013


https://bugs.webkit.org/show_bug.cgi?id=107240

           Summary: [Soup] Frequent crashes on redirections
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: svillar at igalia.com
                CC: danw at gnome.org, mrobinson at webkit.org


These are the outcomes from gdb and valgrind sessions:

(gdb) bt
#0  0x000000000337dc60 in ?? ()
#1  0x00007ffff2266973 in WebCore::doRedirect (handle=0x3a20bd0) at ../../Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:485
#2  0x00007ffff2266a3e in WebCore::redirectCloseCallback (res=0x23c2ca0, data=0x3a20bd0) at ../../Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:495
#3  0x00007fffec87e4f2 in async_ready_close_callback_wrapper (source_object=0x18de130, res=0x23c2ca0, user_data=0x3a20bd0) at ginputstream.c:543
#4  0x00007fffec8aa804 in g_task_return_now (task=0x23c2ca0) at gtask.c:1102
#5  0x00007fffec8aa902 in g_task_return (task=0x23c2ca0, type=G_TASK_RETURN_ERROR) at gtask.c:1155
#6  0x00007fffec8ab27f in g_task_return_error (task=0x23c2ca0, error=0x2182a40) at gtask.c:1622
#7  0x00007fffef520baf in close_async_ready (msg=0x23a6e30, user_data=0x23c2ca0) at soup-client-input-stream.c:163
#8  0x00007fffef53bac7 in message_source_dispatch (source=0x33afdc0, callback=0x7fffef520b05 <close_async_ready>, user_data=0x23c2ca0) at soup-message-io.c:720
#9  0x00007fffec0ae47f in g_main_dispatch (context=0x7382f0) at gmain.c:2784
#10 0x00007fffec0af02f in g_main_context_dispatch (context=0x7382f0) at gmain.c:3288
#11 0x00007fffec0af21f in g_main_context_iterate (context=0x7382f0, block=1, dispatch=1, self=0x771960) at gmain.c:3359
#12 0x00007fffec0af2e3 in g_main_context_iteration (context=0x7382f0, may_block=1) at gmain.c:3420
#13 0x00007fffec8d5039 in g_application_run (application=0x920000, argc=1, argv=0x7fffffffda18) at gapplication.c:1620
#14 0x0000000000434e51 in main (argc=1, argv=0x7fffffffda18) at ephy-main.c:478

---

==13881== Invalid read of size 8
==13881==    at 0x79CE94A: WebCore::doRedirect(WebCore::ResourceHandle*) (ResourceHandleSoup.cpp:485)
==13881==    by 0x79CEA3D: WebCore::redirectCloseCallback(_GObject*, _GAsyncResult*, void*) (ResourceHandleSoup.cpp:495)
==13881==    by 0x100C74F1: async_ready_close_callback_wrapper (ginputstream.c:543)
==13881==    by 0x100F3803: g_task_return_now (gtask.c:1102)
==13881==    by 0x100F3901: g_task_return (gtask.c:1155)
==13881==    by 0x100F427E: g_task_return_error (gtask.c:1622)
==13881==    by 0xD4BBBAE: close_async_ready (soup-client-input-stream.c:163)
==13881==    by 0xD4D6AC6: message_source_dispatch (soup-message-io.c:720)
==13881==    by 0x108BC47E: g_main_dispatch (gmain.c:2784)
==13881==    by 0x108BD02E: g_main_context_dispatch (gmain.c:3288)
==13881==    by 0x108BD21E: g_main_context_iterate (gmain.c:3359)
==13881==    by 0x108BD2E2: g_main_context_iteration (gmain.c:3420)
==13881==  Address 0x23de1100 is 0 bytes inside a block of size 1,048 free'd
==13881==    at 0x4C28F5C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==13881==    by 0xCAECE26: WTF::fastFree(void*) (FastMalloc.cpp:336)
==13881==    by 0x707D8F4: WTF::RefCounted<WebCore::ResourceLoader>::operator delete(void*) (RefCounted.h:197)
==13881==    by 0x70915B3: WebCore::SubresourceLoader::~SubresourceLoader() (SubresourceLoader.cpp:79)
==13881==    by 0x6FD0A0F: WTF::RefCounted<WebCore::ResourceLoader>::deref() (RefCounted.h:202)
==13881==    by 0x6FD0383: void WTF::derefIfNotNull<WebCore::ResourceLoader>(WebCore::ResourceLoader*) (PassRefPtr.h:53)
==13881==    by 0x6FCFEC6: WTF::RefPtr<WebCore::ResourceLoader>::~RefPtr() (RefPtr.h:56)
==13881==    by 0x7087C79: WebCore::ResourceLoader::cancel(WebCore::ResourceError const&) (ResourceLoader.cpp:411)
==13881==    by 0x7079042: WebCore::MainResourceLoader::cancel(WebCore::ResourceError const&) (MainResourceLoader.cpp:134)
==13881==    by 0x7078ED6: WebCore::MainResourceLoader::cancel() (MainResourceLoader.cpp:116)
==13881==    by 0x7025D9D: WebCore::DocumentLoader::stopLoading() (DocumentLoader.cpp:257)
==13881==    by 0x7042D2F: WebCore::FrameLoader::stopAllLoaders(WebCore::ClearProvisionalItemPolicy) (FrameLoader.cpp:1556)

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