linux-kernel - Re: [PATCH v2 02/13] uprobes: allow ignoring of probe hits

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20131019170214.GA8324@redhat.com>
Date:	Sat, 19 Oct 2013 19:02:14 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	David Long <dave.long@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, Rabin Vincent <rabin@....in>,
	"Jon Medhurst (Tixy)" <tixy@...aro.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 02/13] uprobes: allow ignoring of probe hits

On 10/15, David Long wrote:
>
> @@ -1732,9 +1732,6 @@ static void handle_swbp(struct pt_regs *regs)
>  		return;
>  	}
>  
> -	/* change it in advance for ->handler() and restart */
> -	instruction_pointer_set(regs, bp_vaddr);
> -

Well, this looks obviously wrong. This SET_IP() has the comment ;)

Note also that with this breaks __skip_sstep() on x86.

Oleg.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/