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. 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