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Date: Sun, 09 Aug 2009 11:17:38 -0600
From: Robert Hancock <hancockrwd@gmail.com>
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To: Justin Mattock <justinmattock@gmail.com>
CC: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: *** stack smashing detected ***: ./firefox-bin terminated
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On 08/08/2009 04:31 PM, Justin Mattock wrote:
> How should I handle this:
>
> *** stack smashing detected ***: ./firefox-bin terminated
> ======= Backtrace: =========
> /lib64/libc.so.6(__fortify_fail+0x37)[0x7f765ab2a477]
> /lib64/libc.so.6(__fortify_fail+0x0)[0x7f765ab2a440]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f7646911a6f]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f764690d67c]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f764691077f]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76469090cd]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76466f95e0]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76466f9c1d]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76466bd944]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76466c738b]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76466af3e1]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f76466a4af0]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f764638ed29]
> /home/name/LFS/net/firefox/plugins/libflashplayer.so[0x7f764637edaf]
> /usr/lib64/libglib-2.0.so.0[0x7f765bbd477b]
> /usr/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x22e)[0x7f765bbd320e]
> /usr/lib64/libglib-2.0.so.0[0x7f765bbd3958]
> /usr/lib64/libglib-2.0.so.0(g_main_context_iteration+0x70)[0x7f765bbd3b40]
> ./libxul.so[0x7f765efd07a1]
> ./libxul.so[0x7f765efd0b71]
> ./libxul.so[0x7f765f08ea79]
> ./libxul.so[0x7f765f0628bd]
> ./libxul.so[0x7f765efd0883]
> ./libxul.so[0x7f765eeaadaf]
> ./libxul.so(XRE_main+0x213f)[0x7f765e812149]
> ./firefox-bin[0x401bc0]
> /lib64/libc.so.6(__libc_start_main+0xec)[0x7f765aa65a4c]
> ./firefox-bin[0x4019b9]
>
> even if I move the firefox package to /usr/lib64
> this still occurs.
>
> I would like to keep stack protection,
> but having firefox crash over any flash content
> is unattractive.

Use nspluginwrapper, then Flash will run in a separate process and it 
won't crash Firefox when it crashes (which it does fairly regularly).

>
> should I try firefox about this, or change something in the kernel?

Nothing to do with the kernel, it's glibc's stack corruption detection 
that's being triggered.