This is a note to let you know that I've just added the patch titled ipv6: Fix leak in ipv6_gso_segment(). to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ipv6-fix-leak-in-ipv6_gso_segment.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Thu Jun 8 08:58:26 CEST 2017 From: "David S. Miller" <davem@xxxxxxxxxxxxx> Date: Sun, 4 Jun 2017 21:41:10 -0400 Subject: ipv6: Fix leak in ipv6_gso_segment(). From: "David S. Miller" <davem@xxxxxxxxxxxxx> [ Upstream commit e3e86b5119f81e5e2499bea7ea1ebe8ac6aab789 ] If ip6_find_1stfragopt() fails and we return an error we have to free up 'segs' because nobody else is going to. Fixes: 2423496af35d ("ipv6: Prevent overrun when parsing v6 header options") Reported-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv6/ip6_offload.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -116,8 +116,10 @@ static struct sk_buff *ipv6_gso_segment( if (udpfrag) { int err = ip6_find_1stfragopt(skb, &prevhdr); - if (err < 0) + if (err < 0) { + kfree_skb_list(segs); return ERR_PTR(err); + } fptr = (struct frag_hdr *)((u8 *)ipv6h + err); fptr->frag_off = htons(offset); if (skb->next) Patches currently in stable-queue which might be from davem@xxxxxxxxxxxxx are queue-4.9/sparc64-new-context-wrap.patch queue-4.9/sparc64-add-__multi3-for-gcc-7.x-and-later.patch queue-4.9/sparc-machine-description-indices-can-vary.patch queue-4.9/sparc64-combine-activate_mm-and-switch_mm.patch queue-4.9/sparc64-add-per-cpu-mm-of-secondary-contexts.patch queue-4.9/net-bridge-start-hello-timer-only-if-device-is-up.patch queue-4.9/sparc64-mm-fix-copy_tsb-to-correctly-copy-huge-page-tsbs.patch queue-4.9/sparc64-reset-mm-cpumask-after-wrap.patch queue-4.9/vxlan-fix-use-after-free-on-deletion.patch queue-4.9/net-ethoc-enable-napi-before-poll-may-be-scheduled.patch queue-4.9/cxgb4-avoid-enabling-napi-twice-to-the-same-queue.patch queue-4.9/net-ipv6-fix-calipso-causing-gpf-with-datagram-support.patch queue-4.9/tcp-disallow-cwnd-undo-when-switching-congestion-control.patch queue-4.9/sparc64-redefine-first-version.patch queue-4.9/vxlan-eliminate-cached-dst-leak.patch queue-4.9/ipv6-xfrm-handle-errors-reported-by-xfrm6_find_1stfragopt.patch queue-4.9/sparc64-delete-old-wrap-code.patch queue-4.9/bnx2x-fix-multi-cos.patch queue-4.9/net-ping-do-not-abuse-udp_poll.patch queue-4.9/net-stmmac-fix-completely-hung-tx-when-using-tso.patch queue-4.9/ipv6-fix-leak-in-ipv6_gso_segment.patch queue-4.9/arch-sparc-support-nr_cpus-4096.patch