linux-kernel - Re: [PATCH 1/2] perf/powerpc: Fix kprobe and kretprobe handling with kallsyms

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 7 Apr 2016 12:02:34 +0530
From:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Mark Wielaard <mjw@...hat.com>
Subject: Re: [PATCH 1/2] perf/powerpc: Fix kprobe and kretprobe handling with
 kallsyms

On 2016/04/07 10:00AM, Ananth N wrote:
> On Wed, Apr 06, 2016 at 06:02:57PM +0530, Naveen N. Rao wrote:
> 
> > +	if (!pev->uprobes && map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS)
> >  		tev->point.offset += PPC64LE_LEP_OFFSET;
> 
> uprobes check against kallsysms? Am I missing something here?

Ah yes. That check shouldn't be necessary since symtab_type would be 
different anyway. I will remove that check.

Thanks for the review!
- Naveen