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authorGreg Kroah-Hartman <gregkh@google.com>2022-02-03 10:00:04 +0100
committerGreg Kroah-Hartman <gregkh@google.com>2022-02-03 10:00:04 +0100
commit875c0cc8115381f702b12d41de293807f47cdac9 (patch)
tree10431bbf56af73e59e2568b7ddd2ef272912fd96 /include
parentf9409de296c8aa14f421677325bc741b8256e017 (diff)
parenta09b2d8f61ea0e9ae735c400399b97966a9418d6 (diff)
Merge 4.4.302 into android-4.4-p
Changes in 4.4.302 can: bcm: fix UAF of bcm op Bluetooth: refactor malicious adv data check s390/hypfs: include z/VM guests with access control group set scsi: zfcp: Fix failed recovery on gone remote port with non-NPIV FCP devices udf: Restore i_lenAlloc when inode expansion fails udf: Fix NULL ptr deref when converting from inline format PM: wakeup: simplify the output logic of pm_show_wakelocks() serial: stm32: fix software flow control transfer tty: n_gsm: fix SW flow control encoding/handling tty: Add support for Brainboxes UC cards. usb-storage: Add unusual-devs entry for VL817 USB-SATA bridge USB: core: Fix hang in usb_kill_urb by adding memory barriers scsi: bnx2fc: Flush destroy_work queue before calling bnx2fc_interface_put() ipv6_tunnel: Rate limit warning messages net: fix information leakage in /proc/net/ptype ipv4: avoid using shared IP generator for connected sockets net-procfs: show net devices bound packet types drm/msm: Fix wrong size calculation hwmon: (lm90) Reduce maximum conversion rate for G781 ipv4: raw: lock the socket in raw_bind() ipv4: tcp: send zero IPID in SYNACK messages Bluetooth: MGMT: Fix misplaced BT_HS check Revert "drm/radeon/ci: disable mclk switching for high refresh rates (v2)" Revert "tc358743: fix register i2c_rd/wr function fix" KVM: x86: Fix misplaced backport of "work around leak of uninitialized stack contents" Input: i8042 - Fix misplaced backport of "add ASUS Zenbook Flip to noselftest list" Linux 4.4.302 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I5191d3cb4df0fa8de60170d2fedf4a3c51380fdf
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h1
-rw-r--r--include/net/ip.h21
2 files changed, 11 insertions, 11 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 401a404b64b9..78864ffaf0d7 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2055,6 +2055,7 @@ struct packet_type {
struct net_device *);
bool (*id_match)(struct packet_type *ptype,
struct sock *sk);
+ struct net *af_packet_net;
void *af_packet_priv;
struct list_head list;
};
diff --git a/include/net/ip.h b/include/net/ip.h
index 02dba7b251f7..f21d7bf25e30 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -354,19 +354,18 @@ static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb,
{
struct iphdr *iph = ip_hdr(skb);
+ /* We had many attacks based on IPID, use the private
+ * generator as much as we can.
+ */
+ if (sk && inet_sk(sk)->inet_daddr) {
+ iph->id = htons(inet_sk(sk)->inet_id);
+ inet_sk(sk)->inet_id += segs;
+ return;
+ }
if ((iph->frag_off & htons(IP_DF)) && !skb->ignore_df) {
- /* This is only to work around buggy Windows95/2000
- * VJ compression implementations. If the ID field
- * does not change, they drop every other packet in
- * a TCP stream using header compression.
- */
- if (sk && inet_sk(sk)->inet_daddr) {
- iph->id = htons(inet_sk(sk)->inet_id);
- inet_sk(sk)->inet_id += segs;
- } else {
- iph->id = 0;
- }
+ iph->id = 0;
} else {
+ /* Unfortunately we need the big hammer to get a suitable IPID */
__ip_select_ident(net, iph, segs);
}
}