[Bug 151805] flash hangs firefox on gusty 64

[Thor]

Public bug reported:

Binary package hint: firefox

I'm running Gusty Gibbon on an AMD64.
After the system update this morning (which included an nspluginwrapper update) every time I visit a website with flash embedded, Firefox hangs (turns grey and all that).

If (using Synaptic) I uninstall Flash and then reinstall it then
everything seems to work fine, until I exit Firefox and enter it again.

In the terminal I'm getting this error:

LoadPlugin: failed to initialize shared library /usr/lib/firefox/plugins/libflashplayer.so [/usr/lib/firefox/plugins/libflashplayer.so: wrong ELF class: ELFCLASS32]
*** NSPlugin Wrapper *** ERROR: NPP_New() invoke: Message timeout

Could this be related to the fact that I had manually installed Flash
with nspluginwrapper before updating to Gusty Gibbon?

When I exit Firefox, I get this in the terminal:

*** glibc detected *** /usr/lib/firefox/firefox-bin: free(): invalid pointer: 0x00002aaaac108378 ***
======= Backtrace: =========
/lib/libc.so.6[0x2adf1a6e7b0a]
/lib/libc.so.6(cfree+0x8c)[0x2adf1a6eb6fc]
/usr/lib/firefox/libmozjs.so[0x2adf18a4eb75]
/usr/lib/firefox/libmozjs.so[0x2adf189e7670]
/usr/lib/firefox/libmozjs.so(JS_HashTableEnumerateEntries+0x65)[0x2adf18a09ba5]
/usr/lib/firefox/libmozjs.so[0x2adf189e76e1]
/usr/lib/firefox/libmozjs.so(JS_Finish+0x15)[0x2adf189e1f15]
/usr/lib/firefox/components/libxpconnect.so[0x2aaaaaae08b7]
/usr/lib/firefox/components/libxpconnect.so[0x2aaaaaae06c3]
/usr/lib/firefox/components/libxpconnect.so[0x2aaaaaaddd05]
/usr/lib/firefox/components/libxpconnect.so[0x2aaaaaac80f7]
/usr/lib/firefox/components/libxpconnect.so[0x2aaaaaac7676]
/usr/lib/firefox/components/libcaps.so[0x2aaab02412e8]
/usr/lib/firefox/libxpcom_core.so[0x2adf18ece605]
/usr/lib/firefox/libxpcom_core.so[0x2adf18f0e153]
/usr/lib/firefox/libxpcom_core.so[0x2adf18f0c240]
/usr/lib/firefox/libxpcom_core.so[0x2adf18f0c270]
/usr/lib/firefox/libxpcom_core.so[0x2adf18ed53c5]
/usr/lib/firefox/libxpcom_core.so(PL_DHashTableEnumerate+0xa1)[0x2adf18ecb021]
/usr/lib/firefox/libxpcom_core.so(_ZN11nsHashtable9EnumerateEPFiP9nsHashKeyPvS2_ES2_+0x3e)[0x2adf18ed557e]
/usr/lib/firefox/libxpcom_core.so[0x2adf18f0c153]
/usr/lib/firefox/libxpcom_core.so[0x2adf18f08bd3]
/usr/lib/firefox/libxpcom_core.so[0x2adf18f08cb3]
/usr/lib/firefox/libxpcom_core.so(NS_ShutdownXPCOM_P+0x20d)[0x2adf18ecefdd]
/usr/lib/firefox/firefox-bin[0x4041e6]
/usr/lib/firefox/firefox-bin[0x4075ac]
/lib/libc.so.6(__libc_start_main+0xf4)[0x2adf1a693b44]
/usr/lib/firefox/firefox-bin[0x403889]
======= Memory map: ========
00400000-00415000 r-xp 00000000 08:04 1176331                            /usr/lib/firefox/firefox-bin
00615000-00617000 rw-p 00015000 08:04 1176331                            /usr/lib/firefox/firefox-bin
00617000-0232a000 rw-p 00617000 00:00 0                                  [heap]
40000000-40001000 ---p 40000000 00:00 0 
40001000-40801000 rw-p 40001000 00:00 0 
40801000-40802000 ---p 40801000 00:00 0 
40802000-41002000 rw-p 40802000 00:00 0 
41002000-41003000 ---p 41002000 00:00 0 
41003000-41803000 rw-p 41003000 00:00 0 
43807000-43808000 ---p 43807000 00:00 0 
43808000-44008000 rw-p 43808000 00:00 0 
2aaaaaaac000-2aaaaab0f000 r-xp 00000000 08:04 1173335                    /usr/lib/firefox/components/libxpconnect.so
2aaaaab0f000-2aaaaad0f000 ---p 00063000 08:04 1173335                    /usr/lib/firefox/components/libxpconnect.so
2aaaaad0f000-2aaaaad17000 rw-p 00063000 08:04 1173335                    /usr/lib/firefox/components/libxpconnect.so
2aaaaad17000-2aaaaad2d000 r-xp 00000000 08:04 1174163                    /usr/lib/firefox/components/libjar50.so
2aaaaad2d000-2aaaaaf2d000 ---p 00016000 08:04 1174163                    /usr/lib/firefox/components/libjar50.so
2aaaaaf2d000-2aaaaaf2f000 rw-p 00016000 08:04 1174163                    /usr/lib/firefox/components/libjar50.so
2aaaaaf2f000-2aaaaaf67000 r-xp 00000000 08:04 1174454                    /usr/lib/firefox/components/libwidget_gtk2.so
2aaaaaf67000-2aaaab166000 ---p 00038000 08:04 1174454                    /usr/lib/firefox/components/libwidget_gtk2.so
2aaaab166000-2aaaab16b000 rw-p 00037000 08:04 1174454                    /usr/lib/firefox/components/libwidget_gtk2.so
2aaaab16b000-2aaaab16c000 rw-p 2aaaab16b000 00:00 0 
2aaaab16c000-2aaaab170000 r-xp 00000000 08:04 1173121                    /usr/lib/firefox/libgtkxtbin.so
2aaaab170000-2aaaab370000 ---p 00004000 08:04 1173121                    /usr/lib/firefox/libgtkxtbin.so
2aaaab370000-2aaaab371000 rw-p 00004000 08:04 1173121                    /usr/lib/firefox/libgtkxtbin.so
2aaaab385000-2aaaab3e2000 r-xp 00000000 08:04 1174279                    /usr/lib/libXt.so.6.0.0
2aaaab3e2000-2aaaab5e2000 ---p 0005d000 08:04 1174279                    /usr/lib/libXt.so.6.0.0
2aaaab5e2000-2aaaab5e8000 rw-p 0005d000 08:04 1174279                    /usr/lib/libXt.so.6.0.0
2aaaab5e8000-2aaaab5e9000 rw-p 2aaaab5e8000 00:00 0 
2aaaab5e9000-2aaaab5f1000 r-xp 00000000 08:04 1174218                Aborted (core dumped)

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 firefox flash gibbon gusty nspluginwrapper

-- 
flash hangs firefox on gusty 64
https://bugs.launchpad.net/bugs/151805
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