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Message-ID: <3694.1466127526@turing-police.cc.vt.edu>
Date: Thu, 16 Jun 2016 21:38:46 -0400
From: Valdis.Kletnieks@...edu
To: kernel-hardening@...ts.openwall.com
Cc: Kees Cook <keescook@...omium.org>, Brad Spengler <spender@...ecurity.net>,
PaX Team <pageexec@...email.hu>,
Casey Schaufler <casey.schaufler@...el.com>,
Rik van Riel <riel@...hat.com>, Christoph Lameter <cl@...ux.com>,
Pekka Enberg <penberg@...nel.org>,
David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][PATCH v2 0/4] mm: Hardened usercopy
On Thu, 16 Jun 2016 19:36:52 -0400, Valdis.Kletnieks@...edu said:
> stuff is working. I may whomp on it with trinity for a while, see if
> anything falls out...
Woo hoo! Bagged one! :) (Haven't figured out yet if actual bug, or missing
annotation)
[ 4033.178386] NET: Registered protocol family 21
[ 4033.226806] NET: Registered protocol family 38
[ 4033.256276] Guest personality initialized and is inactive
[ 4033.256797] VMCI host device registered (name=vmci, major=10, minor=53)
[ 4033.256801] Initialized host personality
[ 4033.266376] NET: Registered protocol family 40
[ 4033.365982] NET: Registered protocol family 24
[ 4033.413031] irda_setsockopt: not allowed to set MAXSDUSIZE for this socket type!
[ 4033.531569] sock: process `trinity-main' is using obsolete setsockopt SO_BSDCOMPAT
[ 4033.834839] irda_setsockopt: not allowed to set MAXSDUSIZE for this socket type!
[ 4034.444515] irda_setsockopt: not allowed to set MAXSDUSIZE for this socket type!
[ 4034.569913] sctp: [Deprecated]: trinity-main (pid 19154) Use of int in max_burst socket option deprecated.
[ 4034.569913] Use struct sctp_assoc_value instead
[ 4034.728723] usercopy: kernel memory overwrite attempt detected to ffff8801ecef4700 (SCTP) (4 bytes)
[ 4034.728730] CPU: 3 PID: 19154 Comm: trinity-main Tainted: G OE 4.7.0-rc3-next-20160614-dirty #302
[ 4034.728732] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A17 08/19/2015
[ 4034.728734] 0000000000000000 0000000063913a95 ffff8801f8b33da8 ffffffffb269f61a
[ 4034.728740] ffff8801ecef4700 0000000063913a95 0000000000000004 0000000000000000
[ 4034.728744] ffff8801f8b33df8 ffffffffb2367b30 0000000000000004 ffffea0006bd4580
[ 4034.728748] Call Trace:
[ 4034.728754] [<ffffffffb269f61a>] dump_stack+0x7b/0xd1
[ 4034.728758] [<ffffffffb2367b30>] __check_object_size+0x70/0x3d4
[ 4034.728761] [<ffffffffb2eae5e4>] sctp_setsockopt.part.9+0x684/0x1e70
[ 4034.728764] [<ffffffffb236f002>] ? __vfs_write+0x22/0x2e0
[ 4034.728767] [<ffffffffb2eafe3e>] sctp_setsockopt+0x6e/0xe0
[ 4034.728770] [<ffffffffb2bd1d0a>] sock_common_setsockopt+0x3a/0xc0
[ 4034.728772] [<ffffffffb2bcfb99>] SyS_setsockopt+0x89/0x120
[ 4034.728775] [<ffffffffb30896e5>] entry_SYSCALL_64_fastpath+0x18/0xa8
[ 4034.728779] [<ffffffffb2143e3f>] ? trace_hardirqs_off_caller+0x1f/0xf0
Do we have a good place to collect these, or should I just post them here
as I find stuff?
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