Re: [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Dan Williams <dan.j.williams@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling
From: Ingo Molnar <mingo@xxxxxxxxxx>
Date: Tue, 3 Jul 2018 10:30:40 +0200
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx
In-reply-to: <153056565378.3420.295180898468362039.stgit@dwillia2-desk3.amr.corp.intel.com>
User-agent: Mutt/1.9.4 (2018-02-28)

* Dan Williams <dan.j.williams@xxxxxxxxx> wrote:

> Hi Ingo,
> 
> Here is an additional copy_to_iter_mcsafe() fix to address the crash
> reported by Ross. This now passes xfstests:generic/323 on my system.

The lib/iov_iter fix would need an Acked-by from Al.

Thanks,

	Ingo

Follow-Ups:
- Re: [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling
  - From: Al Viro

References:
- Re: [PATCH] lib/iov_iter: Fix pipe handling in _copy_to_iter_mcsafe
  - From: Ross Zwisler
- [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling
  - From: Dan Williams

Prev by Date: [PATCH] autofs - fix slab out of bounds read in getname_kernel()
Next by Date: Re: [PATCH v5 0/6] fs/dcache: Track & limit # of negative dentries
Previous by thread: [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling
Next by thread: Re: [PATCH] x86/asm/memcpy_mcsafe: Fix copy_to_user_mcsafe() exception handling
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [Samba] [Device Mapper] [CEPH Development]