[Bug 206624] [NEW] valgrind invalid read error when closing epiphany-gecko

[Sebastien Bacher]

Public bug reported:

Binary package hint: xulrunner-1.9

Trying to get extra information about the crash on bug #191052

The valgrind log has been generated running epiphany-gecko on launchpad
and closing it once the webpage is displayed

==9439== Invalid read of size 4
==9439==    at 0x4CF8EF9: PyObject_Free (obmalloc.c:920)
==9439==    by 0x4CB79B0: PyGrammar_AddAccelerators (acceler.c:124)
==9439==    by 0x4CB89A7: PyParser_New (parser.c:77)
==9439==    by 0x4CB8A15: parsetok (parsetok.c:117)
==9439==    by 0x4D66262: PyParser_ASTFromString (pythonrun.c:1363)
==9439==    by 0x4D66486: PyRun_StringFlags (pythonrun.c:1234)
==9439==    by 0x4D3BD22: builtin_eval (bltinmodule.c:599)
==9439==    by 0x4CF5509: PyCFunction_Call (methodobject.c:73)
==9439==    by 0x4D43C25: PyEval_EvalFrameEx (ceval.c:3573)
==9439==    by 0x4D4429F: PyEval_EvalFrameEx (ceval.c:3659)
==9439==    by 0x4D453B7: PyEval_EvalCodeEx (ceval.c:2836)
==9439==    by 0x4D45512: PyEval_EvalCode (ceval.c:494)
==9439==    by 0x4D5A51C: PyImport_ExecCodeModuleEx (import.c:675)
==9439==    by 0x4D5C8E3: load_source_module (import.c:959)
==9439==    by 0x4D5CF22: import_submodule (import.c:2400)
==9439==    by 0x4D5D427: load_next (import.c:2220)
==9439==    by 0x4D5D63E: import_module_level (import.c:2001)
==9439==    by 0x4D5DCF2: PyImport_ImportModuleLevel (import.c:2072)
==9439==    by 0x4D3C433: builtin___import__ (bltinmodule.c:47)
==9439==    by 0x4CF551F: PyCFunction_Call (methodobject.c:77)
==9439==    by 0x4CBE8D6: PyObject_Call (abstract.c:1861)
==9439==    by 0x4D3CBFB: PyEval_CallObjectWithKeywords (ceval.c:3442)
==9439==    by 0x4D409DE: PyEval_EvalFrameEx (ceval.c:2067)
==9439==    by 0x4D453B7: PyEval_EvalCodeEx (ceval.c:2836)
==9439==    by 0x4D45512: PyEval_EvalCode (ceval.c:494)
==9439==    by 0x4D5A51C: PyImport_ExecCodeModuleEx (import.c:675)
==9439==    by 0x4D5C8E3: load_source_module (import.c:959)
==9439==    by 0x4D5CF22: import_submodule (import.c:2400)
==9439==    by 0x4D5D427: load_next (import.c:2220)
==9439==    by 0x4D5D63E: import_module_level (import.c:2001)
==9439==    by 0x4D5DCF2: PyImport_ImportModuleLevel (import.c:2072)
==9439==    by 0x4D3C433: builtin___import__ (bltinmodule.c:47)
==9439==    by 0x4CF551F: PyCFunction_Call (methodobject.c:77)
==9439==    by 0x4CBE8D6: PyObject_Call (abstract.c:1861)
==9439==    by 0x4CC0B22: PyObject_CallFunctionObjArgs (abstract.c:2091)
==9439==    by 0x4D5DE53: PyImport_Import (import.c:2576)
==9439==    by 0x4D5E034: PyImport_ImportModule (import.c:1972)
==9439==    by 0x4D6785F: initsite (pythonrun.c:664)
==9439==  Address 0x57d1010 is 792 bytes inside a block of size 1,024 free'd
==9439==    at 0x402265C: free (vg_replace_malloc.c:323)
==9439==    by 0x6451EC3: XPT_DestroyArena (xpt_arena.c:177)
==9439==    by 0x645160D: xptiWorkingSet::~xptiWorkingSet() (xptiWorkingSet.cpp:229)
==9439==    by 0x644E79E: xptiInterfaceInfoManager::AutoRegisterInterfaces() (xptiInterfaceInfoManager.cpp:1959)
==9439==    by 0x644E0E7: xptiInterfaceInfoManager::GetInterfaceInfoManagerNoAddRef() (xptiInterfaceInfoManager.cpp:100)
==9439==    by 0x64115F4: NS_InitXPCOM3_P (nsXPComInit.cpp:643)
==9439==    by 0x5C7FBC7: XRE_InitEmbedding (nsEmbedFunctions.cpp:124)
==9439==    by 0x5C70A69: EmbedPrivate::PushStartup() (EmbedPrivate.cpp:536)
==9439==    by 0x80C3C00: impl_init(_EphyEmbedSingle*) (mozilla-embed-single.cpp:639)
==9439==    by 0x80F8F22: ephy_embed_single_init (ephy-embed-single.c:176)
==9439==    by 0x80F9CBA: impl_get_embed_single (ephy-embed-shell.c:235)
==9439==    by 0x807BA62: impl_get_embed_single (ephy-shell.c:215)
==9439==    by 0x4E22F45: g_type_create_instance (gtype.c:1575)
==9439==    by 0x4E08241: g_object_constructor (gobject.c:1046)
==9439==    by 0x4E08A07: g_object_newv (gobject.c:937)
==9439==    by 0x4E09550: g_object_new_valist (gobject.c:986)
==9439==    by 0x4E096BF: g_object_new (gobject.c:795)
==9439==    by 0x807B551: _ephy_shell_create_instance (ephy-shell.c:929)
==9439==    by 0x8076627: main (ephy-main.c:729)

** Affects: xulrunner-1.9 (Ubuntu)
     Importance: Undecided
         Status: New

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valgrind invalid read error when closing epiphany-gecko
https://bugs.launchpad.net/bugs/206624
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