On 2015/6/2 13:23, 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. > > . > Yes, we indeed missed some changes of 08adb7d, and these changes could make commit 281c9c36 appropriate for stable version. In addition, I think other stable version also needs this fix. Cheers, Junling -- 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