Please apply the attached backported patches to 4.4-stable. The upstream commits are: 06bd3c36a733 ext4: fix data exposure after a crash c8401dda2f0a KVM: x86: fix singlestepping over syscall 0d0e57697f16 bpf: don't let ldimm64 leak map addresses on unprivileged 089bc0143f48 xen-blkback: don't leak stack data via response ring df80cd9b28b9 sctp: do not peel off an assoc from one netns to another one 2cb80187ba06 net: cdc_ether: fix divide by 0 on bad descriptors 7fd078337201 net: qmi_wwan: fix divide by 0 on bad descriptors The last three are not in later stable branches yet. The USB net driver fixes are already in David Miller's queue for stable, and i have asked him to add the sctp fix. Ben. -- Ben Hutchings Software Developer, Codethink Ltd.
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