[Webkit-unassigned] [Bug 48863] New: segfault in JSGarbageCollect ()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48863

           Summary: segfault in JSGarbageCollect ()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: brian at interlinx.bc.ca


As I filed on Ubuntu's bug reporter at https://bugs.launchpad.net/ubuntu/+source/webkit/+bug/660914 I'm seeing a crash in webkit's PAC processor:

#0 0x03d7e95f in JSGarbageCollect () from /usr/lib/libwebkit-1.0.so.2
#1 0x0319fe97 in ctxs_free (self=0xaf997f20) at pacrunner_webkit.c:124
#2 0x031a0377 in _run (self=0xaf97b2b8, pac=0xaf97d390, url=0xa6006488)
    at pacrunner_webkit.c:199
#3 0x00d32b52 in px_proxy_factory_get_proxies (self=0x9cb7f08,
    url=0xa604fec8 "http://post.audioscrobbler.com/np_1.2") at proxy.c:401
#4 0x00803db2 in ?? () from /usr/lib/libsoup-gnome-2.4.so.1
#5 0x00804199 in ?? () from /usr/lib/libsoup-gnome-2.4.so.1
#6 0x00fef3d4 in g_thread_pool_thread_proxy (data=0x8984378)
    at /build/buildd/glib2.0-2.26.0/glib/gthreadpool.c:319
#7 0x00fed48f in g_thread_create_proxy (data=0xa2ceb70)
    at /build/buildd/glib2.0-2.26.0/glib/gthread.c:1897
#8 0x00778cc9 in start_thread (arg=0xa71ccb70) at pthread_create.c:304
#9 0x02e386ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

This is from rhythmbox, presumably trying to parse the PAC to figure out which proxy to use to post to last.fm's audioscrobbler.

Happy to supply any more information necessary.

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