linux-kernel - Re: [PATCH] uprobes: Teach copy

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]

Date:	Wed, 21 May 2014 14:24:21 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Denys Vlasenko <dvlasenk@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] uprobes: Teach copy_insn() to support tmpfs

* Oleg Nesterov <oleg@...hat.com> [2014-05-19 20:41:36]:

> tmpfs is widely used but as Denys reports shmem_aops doesn't have
> ->readpage() and thus you can't probe a binary on this filesystem.
> 
> As Hugh suggested we can use shmem_read_mapping_page() in this case,
> just we need to check shmem_mapping() if ->readpage == NULL.
> 
> Reported-by: Denys Vlasenko <dvlasenk@...hat.com>
> Suggested-by: Hugh Dickins <hughd@...gle.com>
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>

-- 
Thanks and Regards
Srikar Dronamraju

--
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/