On 2015/6/2 14:52, Willy Tarreau wrote: > On Tue, Jun 02, 2015 at 02:43:54PM +0800, Junling Zheng wrote: >> On 2015/6/2 14:27, Greg KH wrote: >>> On Mon, Jun 01, 2015 at 10:23:57PM -0700, David Miller wrote: >>>> From: Junling Zheng <zhengjunling@xxxxxxxxxx> >>>> Date: Tue, 2 Jun 2015 12:05:32 +0800 >>>> >>>>> So, the problem commit is 281c9c36 (net: compat: Update >>>>> get_compat_msghdr() to match copy_msghdr_from_user() behaviour), >>>>> which fixes db31c55a6fb2 and brings the get_compat_msghdr() in line >>>>> with copy_msghdr_from_user(). >>>> >>>> Upstream this got fixed by: >>>> >>>> 08adb7dabd4874cc5666b4490653b26534702ce0 >>>> >>>> So the part that makes us not unconditionally return -EFAULT needs >>>> to be backported, and that's probably equivalent to the patch >>>> your proposed which therefore should be applied. >>> >>> Ok, thanks, now applied. >>> >> >> Maybe other stable version also needs this fix:) > > Yes, from what I'm seeing, at least 3.2 and 2.6.32 need it as well. > Yeah, all other stable versions *except 3.19 and 4.0* may need this fix:) > Thanks, > Willy > > > . > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html