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RE: same kernel working with 1 userspace filesystem and not with another one (Android IceCreamSandwich and JellyBean)
- From: "Turgis, Frederic" <f-turgis at ti dot com>
- To: "Frank Ch. Eigler" <fche at redhat dot com>
- Cc: "systemtap at sourceware dot org" <systemtap at sourceware dot org>
- Date: Sat, 6 Oct 2012 11:50:51 +0000
- Subject: RE: same kernel working with 1 userspace filesystem and not with another one (Android IceCreamSandwich and JellyBean)
- References: <28BE1A38672C8B4481BB423D0FD1F22E18FCA6BC@DNCE04.ent.ti.com> <y0mhaq88hof.fsf@fche.csb>
Well, I remember it was mentioned on IRC or mailing list. I will try on board when back but that makes sense when "googling"
"Jelly Bean also pulled in a couple easy enhancements inherited from the upstream Linux kernel that can prevent information leakage. The dmesg_restrict and kptr_restrict sysctls, originally implemented by Dan Rosenberg, are now available and enabled in 4.1."
Thanks
Regards
Fred
OMAP Platform Business Unit - System Platform Engineering - Platform & Product Entitlement
>
Texas Instruments France SA, 821 Avenue Jack Kilby, 06270 Villeneuve Loubet. 036 420 040 R.C.S Antibes. Capital de EUR 12.654.784
-----Original Message-----
>From: Frank Ch. Eigler [mailto:fche@redhat.com]
>Sent: Saturday, October 06, 2012 4:21 AM
>To: Turgis, Frederic
>Cc: systemtap@sourceware.org
>Subject: Re: same kernel working with 1 userspace filesystem and not with another one (Android
>IceCreamSandwich and JellyBean)
>
>
>Hi, Frederic -
>
>f-turgis wrote:
>
>> [...]
>> * probing functions does not work, it seems that nothing happens in that case (we just do a
>print, we only get tracepoints prints)
>> * at test start, we get now "WARNING: build-id address 0 < base 0"
>> [...]
>
>This sounds like http://sourceware.org/bugzilla/show_bug.cgi?id=14555
>
>- FChE