mirror of
git://git.openwrt.org/openwrt/openwrt.git
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kernel: bump 4.9 to 4.9.159
Refreshed all patches. Remove upstreamed: - 023-1-smsc95xx-Use-skb_cow_head-to-deal-with-cloned-skbs.patch - 023-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch - 023-7-kaweth-use-skb_cow_head-to-deal-with-cloned-skbs.patch - 050-usb-dwc2-Remove-unnecessary-kfree.patch - 092-netfilter-nf_tables-fix-mismatch-in-big-endian-syste.patch - 272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch Fixes: - CVE-2018-1000026 Compile-tested on: ar7 Runtime-tested on: none Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
This commit is contained in:
Koen Vandeputte
parent
26f8644510
commit
8f980a8cfe
@ -3,12 +3,12 @@
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LINUX_RELEASE?=1
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LINUX_VERSION-3.18 = .135
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LINUX_VERSION-4.9 = .158
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LINUX_VERSION-4.9 = .159
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LINUX_VERSION-4.14 = .101
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LINUX_VERSION-4.19 = .23
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LINUX_KERNEL_HASH-3.18.135 = d1853eb6e5438abb0b54d11478c0792554e39325d37a3f04b68f6c151ed8f8eb
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LINUX_KERNEL_HASH-4.9.158 = 8c8a69f590e6f1103c949b45ff1bfd42c705388321f75e1520be3556f81375ef
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LINUX_KERNEL_HASH-4.9.159 = 9f9df13168a090d12314e2e8dac040e71ce3f2ed89eafbece2b14dabb6771742
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LINUX_KERNEL_HASH-4.14.101 = 142ff7c51b001c66e9be134fcec2722f9a47b89879a18e6f65b09b4585cdb69a
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LINUX_KERNEL_HASH-4.19.23 = 2d9b25678aac7f3f109c52e6266fb6ee89cc424b597518a2875874bacb8f130a
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@ -1,40 +0,0 @@
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From e9156cd26a495a18706e796f02a81fee41ec14f4 Mon Sep 17 00:00:00 2001
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From: James Hughes <james.hughes@raspberrypi.org>
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Date: Wed, 19 Apr 2017 11:13:40 +0100
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Subject: [PATCH] smsc95xx: Use skb_cow_head to deal with cloned skbs
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The driver was failing to check that the SKB wasn't cloned
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before adding checksum data.
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Replace existing handling to extend/copy the header buffer
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with skb_cow_head.
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Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
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Acked-by: Eric Dumazet <edumazet@google.com>
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Acked-by: Woojung Huh <Woojung.Huh@microchip.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/usb/smsc95xx.c | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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--- a/drivers/net/usb/smsc95xx.c
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+++ b/drivers/net/usb/smsc95xx.c
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@@ -2011,13 +2011,13 @@ static struct sk_buff *smsc95xx_tx_fixup
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/* We do not advertise SG, so skbs should be already linearized */
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BUG_ON(skb_shinfo(skb)->nr_frags);
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- if (skb_headroom(skb) < overhead) {
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- struct sk_buff *skb2 = skb_copy_expand(skb,
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- overhead, 0, flags);
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+ /* Make writable and expand header space by overhead if required */
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+ if (skb_cow_head(skb, overhead)) {
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+ /* Must deallocate here as returning NULL to indicate error
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+ * means the skb won't be deallocated in the caller.
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+ */
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dev_kfree_skb_any(skb);
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- skb = skb2;
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- if (!skb)
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- return NULL;
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+ return NULL;
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}
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if (csum) {
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@ -1,38 +0,0 @@
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From 6bc6895bdd6744e0136eaa4a11fbdb20a7db4e40 Mon Sep 17 00:00:00 2001
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From: Eric Dumazet <edumazet@google.com>
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Date: Wed, 19 Apr 2017 09:59:25 -0700
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Subject: [PATCH] ch9200: use skb_cow_head() to deal with cloned skbs
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We need to ensure there is enough headroom to push extra header,
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but we also need to check if we are allowed to change headers.
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skb_cow_head() is the proper helper to deal with this.
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Fixes: 4a476bd6d1d9 ("usbnet: New driver for QinHeng CH9200 devices")
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Signed-off-by: Eric Dumazet <edumazet@google.com>
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Cc: James Hughes <james.hughes@raspberrypi.org>
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Cc: Matthew Garrett <mjg59@srcf.ucam.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/usb/ch9200.c | 9 ++-------
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1 file changed, 2 insertions(+), 7 deletions(-)
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--- a/drivers/net/usb/ch9200.c
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+++ b/drivers/net/usb/ch9200.c
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@@ -254,14 +254,9 @@ static struct sk_buff *ch9200_tx_fixup(s
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tx_overhead = 0x40;
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len = skb->len;
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- if (skb_headroom(skb) < tx_overhead) {
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- struct sk_buff *skb2;
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-
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- skb2 = skb_copy_expand(skb, tx_overhead, 0, flags);
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+ if (skb_cow_head(skb, tx_overhead)) {
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dev_kfree_skb_any(skb);
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- skb = skb2;
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- if (!skb)
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- return NULL;
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+ return NULL;
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}
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__skb_push(skb, tx_overhead);
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@ -1,43 +0,0 @@
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From 39fba7835aacda65284a86e611774cbba71dac20 Mon Sep 17 00:00:00 2001
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From: Eric Dumazet <edumazet@google.com>
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Date: Wed, 19 Apr 2017 09:59:26 -0700
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Subject: [PATCH] kaweth: use skb_cow_head() to deal with cloned skbs
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We can use skb_cow_head() to properly deal with clones,
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especially the ones coming from TCP stack that allow their head being
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modified. This avoids a copy.
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Signed-off-by: Eric Dumazet <edumazet@google.com>
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Cc: James Hughes <james.hughes@raspberrypi.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/usb/kaweth.c | 18 ++++++------------
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1 file changed, 6 insertions(+), 12 deletions(-)
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--- a/drivers/net/usb/kaweth.c
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+++ b/drivers/net/usb/kaweth.c
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@@ -803,18 +803,12 @@ static netdev_tx_t kaweth_start_xmit(str
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}
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/* We now decide whether we can put our special header into the sk_buff */
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- if (skb_cloned(skb) || skb_headroom(skb) < 2) {
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- /* no such luck - we make our own */
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- struct sk_buff *copied_skb;
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- copied_skb = skb_copy_expand(skb, 2, 0, GFP_ATOMIC);
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- dev_kfree_skb_irq(skb);
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- skb = copied_skb;
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- if (!copied_skb) {
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- kaweth->stats.tx_errors++;
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- netif_start_queue(net);
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- spin_unlock_irq(&kaweth->device_lock);
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- return NETDEV_TX_OK;
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- }
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+ if (skb_cow_head(skb, 2)) {
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+ kaweth->stats.tx_errors++;
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+ netif_start_queue(net);
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+ spin_unlock_irq(&kaweth->device_lock);
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+ dev_kfree_skb_any(skb);
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+ return NETDEV_TX_OK;
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}
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private_header = (__le16 *)__skb_push(skb, 2);
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@ -1,24 +0,0 @@
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From cd4b1e34655d46950c065d9284b596cd8d7b28cd Mon Sep 17 00:00:00 2001
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From: John Youn <johnyoun@synopsys.com>
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Date: Thu, 3 Nov 2016 17:55:45 -0700
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Subject: [PATCH] usb: dwc2: Remove unnecessary kfree
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This shouldn't be freed by the HCD as it is owned by the core and
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allocated with devm_kzalloc.
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Signed-off-by: John Youn <johnyoun@synopsys.com>
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Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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---
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drivers/usb/dwc2/hcd.c | 1 -
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1 file changed, 1 deletion(-)
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--- a/drivers/usb/dwc2/hcd.c
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+++ b/drivers/usb/dwc2/hcd.c
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@@ -5202,7 +5202,6 @@ error3:
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error2:
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usb_put_hcd(hcd);
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error1:
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- kfree(hsotg->core_params);
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#ifdef CONFIG_USB_DWC2_TRACK_MISSED_SOFS
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kfree(hsotg->last_frame_num_array);
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@ -1,323 +0,0 @@
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From 0bc01df3df7a88258148518eb9ce7f88c16a6106 Mon Sep 17 00:00:00 2001
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From: Liping Zhang <zlpnobody@gmail.com>
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Date: Wed, 8 Mar 2017 22:54:18 +0800
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Subject: netfilter: nf_tables: fix mismatch in big-endian system
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Currently, there are two different methods to store an u16 integer to
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the u32 data register. For example:
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u32 *dest = ®s->data[priv->dreg];
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1. *dest = 0; *(u16 *) dest = val_u16;
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2. *dest = val_u16;
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For method 1, the u16 value will be stored like this, either in
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big-endian or little-endian system:
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0 15 31
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+-+-+-+-+-+-+-+-+-+-+-+-+
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| Value | 0 |
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+-+-+-+-+-+-+-+-+-+-+-+-+
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For method 2, in little-endian system, the u16 value will be the same
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as listed above. But in big-endian system, the u16 value will be stored
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like this:
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0 15 31
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+-+-+-+-+-+-+-+-+-+-+-+-+
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| 0 | Value |
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+-+-+-+-+-+-+-+-+-+-+-+-+
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So later we use "memcmp(®s->data[priv->sreg], data, 2);" to do
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compare in nft_cmp, nft_lookup expr ..., method 2 will get the wrong
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result in big-endian system, as 0~15 bits will always be zero.
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For the similar reason, when loading an u16 value from the u32 data
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register, we should use "*(u16 *) sreg;" instead of "(u16)*sreg;",
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the 2nd method will get the wrong value in the big-endian system.
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So introduce some wrapper functions to store/load an u8 or u16
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integer to/from the u32 data register, and use them in the right
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place.
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Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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---
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include/net/netfilter/nf_tables.h | 29 +++++++++++++++++++++++++
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net/ipv4/netfilter/nft_masq_ipv4.c | 8 +++----
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net/ipv4/netfilter/nft_redir_ipv4.c | 8 +++----
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net/ipv6/netfilter/nft_masq_ipv6.c | 8 +++----
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net/ipv6/netfilter/nft_redir_ipv6.c | 8 +++----
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net/netfilter/nft_ct.c | 10 ++++-----
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net/netfilter/nft_meta.c | 42 +++++++++++++++++++------------------
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net/netfilter/nft_nat.c | 8 +++----
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8 files changed, 76 insertions(+), 45 deletions(-)
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--- a/include/net/netfilter/nf_tables.h
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+++ b/include/net/netfilter/nf_tables.h
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@@ -87,6 +87,35 @@ struct nft_regs {
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};
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};
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+/* Store/load an u16 or u8 integer to/from the u32 data register.
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+ *
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+ * Note, when using concatenations, register allocation happens at 32-bit
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+ * level. So for store instruction, pad the rest part with zero to avoid
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+ * garbage values.
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+ */
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+
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+static inline void nft_reg_store16(u32 *dreg, u16 val)
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+{
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+ *dreg = 0;
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+ *(u16 *)dreg = val;
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+}
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+
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+static inline void nft_reg_store8(u32 *dreg, u8 val)
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+{
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+ *dreg = 0;
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+ *(u8 *)dreg = val;
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+}
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+
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+static inline u16 nft_reg_load16(u32 *sreg)
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+{
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+ return *(u16 *)sreg;
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+}
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+
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+static inline u8 nft_reg_load8(u32 *sreg)
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+{
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+ return *(u8 *)sreg;
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+}
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+
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static inline void nft_data_copy(u32 *dst, const struct nft_data *src,
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unsigned int len)
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{
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--- a/net/ipv4/netfilter/nft_masq_ipv4.c
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+++ b/net/ipv4/netfilter/nft_masq_ipv4.c
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@@ -26,10 +26,10 @@ static void nft_masq_ipv4_eval(const str
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memset(&range, 0, sizeof(range));
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range.flags = priv->flags;
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if (priv->sreg_proto_min) {
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- range.min_proto.all =
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- *(__be16 *)®s->data[priv->sreg_proto_min];
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- range.max_proto.all =
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- *(__be16 *)®s->data[priv->sreg_proto_max];
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+ range.min_proto.all = (__force __be16)nft_reg_load16(
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+ ®s->data[priv->sreg_proto_min]);
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+ range.max_proto.all = (__force __be16)nft_reg_load16(
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+ ®s->data[priv->sreg_proto_max]);
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}
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regs->verdict.code = nf_nat_masquerade_ipv4(pkt->skb, pkt->hook,
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&range, pkt->out);
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--- a/net/ipv4/netfilter/nft_redir_ipv4.c
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+++ b/net/ipv4/netfilter/nft_redir_ipv4.c
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@@ -26,10 +26,10 @@ static void nft_redir_ipv4_eval(const st
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memset(&mr, 0, sizeof(mr));
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if (priv->sreg_proto_min) {
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- mr.range[0].min.all =
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- *(__be16 *)®s->data[priv->sreg_proto_min];
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- mr.range[0].max.all =
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- *(__be16 *)®s->data[priv->sreg_proto_max];
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+ mr.range[0].min.all = (__force __be16)nft_reg_load16(
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+ ®s->data[priv->sreg_proto_min]);
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+ mr.range[0].max.all = (__force __be16)nft_reg_load16(
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+ ®s->data[priv->sreg_proto_max]);
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mr.range[0].flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
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}
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--- a/net/ipv6/netfilter/nft_masq_ipv6.c
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+++ b/net/ipv6/netfilter/nft_masq_ipv6.c
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@@ -27,10 +27,10 @@ static void nft_masq_ipv6_eval(const str
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memset(&range, 0, sizeof(range));
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range.flags = priv->flags;
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if (priv->sreg_proto_min) {
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- range.min_proto.all =
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- *(__be16 *)®s->data[priv->sreg_proto_min];
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- range.max_proto.all =
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- *(__be16 *)®s->data[priv->sreg_proto_max];
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+ range.min_proto.all = (__force __be16)nft_reg_load16(
|
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+ ®s->data[priv->sreg_proto_min]);
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+ range.max_proto.all = (__force __be16)nft_reg_load16(
|
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+ ®s->data[priv->sreg_proto_max]);
|
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}
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regs->verdict.code = nf_nat_masquerade_ipv6(pkt->skb, &range, pkt->out);
|
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}
|
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--- a/net/ipv6/netfilter/nft_redir_ipv6.c
|
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+++ b/net/ipv6/netfilter/nft_redir_ipv6.c
|
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@@ -26,10 +26,10 @@ static void nft_redir_ipv6_eval(const st
|
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|
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memset(&range, 0, sizeof(range));
|
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if (priv->sreg_proto_min) {
|
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- range.min_proto.all =
|
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- *(__be16 *)®s->data[priv->sreg_proto_min],
|
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- range.max_proto.all =
|
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- *(__be16 *)®s->data[priv->sreg_proto_max],
|
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+ range.min_proto.all = (__force __be16)nft_reg_load16(
|
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+ ®s->data[priv->sreg_proto_min]);
|
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+ range.max_proto.all = (__force __be16)nft_reg_load16(
|
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+ ®s->data[priv->sreg_proto_max]);
|
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range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
|
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}
|
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|
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--- a/net/netfilter/nft_ct.c
|
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+++ b/net/netfilter/nft_ct.c
|
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@@ -77,7 +77,7 @@ static void nft_ct_get_eval(const struct
|
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|
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switch (priv->key) {
|
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case NFT_CT_DIRECTION:
|
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- *dest = CTINFO2DIR(ctinfo);
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+ nft_reg_store8(dest, CTINFO2DIR(ctinfo));
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return;
|
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case NFT_CT_STATUS:
|
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*dest = ct->status;
|
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@@ -129,10 +129,10 @@ static void nft_ct_get_eval(const struct
|
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return;
|
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}
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case NFT_CT_L3PROTOCOL:
|
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- *dest = nf_ct_l3num(ct);
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+ nft_reg_store8(dest, nf_ct_l3num(ct));
|
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return;
|
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case NFT_CT_PROTOCOL:
|
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- *dest = nf_ct_protonum(ct);
|
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+ nft_reg_store8(dest, nf_ct_protonum(ct));
|
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return;
|
||||
default:
|
||||
break;
|
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@@ -149,10 +149,10 @@ static void nft_ct_get_eval(const struct
|
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nf_ct_l3num(ct) == NFPROTO_IPV4 ? 4 : 16);
|
||||
return;
|
||||
case NFT_CT_PROTO_SRC:
|
||||
- *dest = (__force __u16)tuple->src.u.all;
|
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+ nft_reg_store16(dest, (__force u16)tuple->src.u.all);
|
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return;
|
||||
case NFT_CT_PROTO_DST:
|
||||
- *dest = (__force __u16)tuple->dst.u.all;
|
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+ nft_reg_store16(dest, (__force u16)tuple->dst.u.all);
|
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return;
|
||||
default:
|
||||
break;
|
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--- a/net/netfilter/nft_meta.c
|
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+++ b/net/netfilter/nft_meta.c
|
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@@ -45,16 +45,15 @@ void nft_meta_get_eval(const struct nft_
|
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*dest = skb->len;
|
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break;
|
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case NFT_META_PROTOCOL:
|
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- *dest = 0;
|
||||
- *(__be16 *)dest = skb->protocol;
|
||||
+ nft_reg_store16(dest, (__force u16)skb->protocol);
|
||||
break;
|
||||
case NFT_META_NFPROTO:
|
||||
- *dest = pkt->pf;
|
||||
+ nft_reg_store8(dest, pkt->pf);
|
||||
break;
|
||||
case NFT_META_L4PROTO:
|
||||
if (!pkt->tprot_set)
|
||||
goto err;
|
||||
- *dest = pkt->tprot;
|
||||
+ nft_reg_store8(dest, pkt->tprot);
|
||||
break;
|
||||
case NFT_META_PRIORITY:
|
||||
*dest = skb->priority;
|
||||
@@ -85,14 +84,12 @@ void nft_meta_get_eval(const struct nft_
|
||||
case NFT_META_IIFTYPE:
|
||||
if (in == NULL)
|
||||
goto err;
|
||||
- *dest = 0;
|
||||
- *(u16 *)dest = in->type;
|
||||
+ nft_reg_store16(dest, in->type);
|
||||
break;
|
||||
case NFT_META_OIFTYPE:
|
||||
if (out == NULL)
|
||||
goto err;
|
||||
- *dest = 0;
|
||||
- *(u16 *)dest = out->type;
|
||||
+ nft_reg_store16(dest, out->type);
|
||||
break;
|
||||
case NFT_META_SKUID:
|
||||
sk = skb_to_full_sk(skb);
|
||||
@@ -142,22 +139,22 @@ void nft_meta_get_eval(const struct nft_
|
||||
#endif
|
||||
case NFT_META_PKTTYPE:
|
||||
if (skb->pkt_type != PACKET_LOOPBACK) {
|
||||
- *dest = skb->pkt_type;
|
||||
+ nft_reg_store8(dest, skb->pkt_type);
|
||||
break;
|
||||
}
|
||||
|
||||
switch (pkt->pf) {
|
||||
case NFPROTO_IPV4:
|
||||
if (ipv4_is_multicast(ip_hdr(skb)->daddr))
|
||||
- *dest = PACKET_MULTICAST;
|
||||
+ nft_reg_store8(dest, PACKET_MULTICAST);
|
||||
else
|
||||
- *dest = PACKET_BROADCAST;
|
||||
+ nft_reg_store8(dest, PACKET_BROADCAST);
|
||||
break;
|
||||
case NFPROTO_IPV6:
|
||||
if (ipv6_hdr(skb)->daddr.s6_addr[0] == 0xFF)
|
||||
- *dest = PACKET_MULTICAST;
|
||||
+ nft_reg_store8(dest, PACKET_MULTICAST);
|
||||
else
|
||||
- *dest = PACKET_BROADCAST;
|
||||
+ nft_reg_store8(dest, PACKET_BROADCAST);
|
||||
break;
|
||||
case NFPROTO_NETDEV:
|
||||
switch (skb->protocol) {
|
||||
@@ -171,14 +168,14 @@ void nft_meta_get_eval(const struct nft_
|
||||
goto err;
|
||||
|
||||
if (ipv4_is_multicast(iph->daddr))
|
||||
- *dest = PACKET_MULTICAST;
|
||||
+ nft_reg_store8(dest, PACKET_MULTICAST);
|
||||
else
|
||||
- *dest = PACKET_BROADCAST;
|
||||
+ nft_reg_store8(dest, PACKET_BROADCAST);
|
||||
|
||||
break;
|
||||
}
|
||||
case htons(ETH_P_IPV6):
|
||||
- *dest = PACKET_MULTICAST;
|
||||
+ nft_reg_store8(dest, PACKET_MULTICAST);
|
||||
break;
|
||||
default:
|
||||
WARN_ON_ONCE(1);
|
||||
@@ -233,7 +230,9 @@ void nft_meta_set_eval(const struct nft_
|
||||
{
|
||||
const struct nft_meta *meta = nft_expr_priv(expr);
|
||||
struct sk_buff *skb = pkt->skb;
|
||||
- u32 value = regs->data[meta->sreg];
|
||||
+ u32 *sreg = ®s->data[meta->sreg];
|
||||
+ u32 value = *sreg;
|
||||
+ u8 pkt_type;
|
||||
|
||||
switch (meta->key) {
|
||||
case NFT_META_MARK:
|
||||
@@ -243,9 +242,12 @@ void nft_meta_set_eval(const struct nft_
|
||||
skb->priority = value;
|
||||
break;
|
||||
case NFT_META_PKTTYPE:
|
||||
- if (skb->pkt_type != value &&
|
||||
- skb_pkt_type_ok(value) && skb_pkt_type_ok(skb->pkt_type))
|
||||
- skb->pkt_type = value;
|
||||
+ pkt_type = nft_reg_load8(sreg);
|
||||
+
|
||||
+ if (skb->pkt_type != pkt_type &&
|
||||
+ skb_pkt_type_ok(pkt_type) &&
|
||||
+ skb_pkt_type_ok(skb->pkt_type))
|
||||
+ skb->pkt_type = pkt_type;
|
||||
break;
|
||||
case NFT_META_NFTRACE:
|
||||
skb->nf_trace = !!value;
|
||||
--- a/net/netfilter/nft_nat.c
|
||||
+++ b/net/netfilter/nft_nat.c
|
||||
@@ -65,10 +65,10 @@ static void nft_nat_eval(const struct nf
|
||||
}
|
||||
|
||||
if (priv->sreg_proto_min) {
|
||||
- range.min_proto.all =
|
||||
- *(__be16 *)®s->data[priv->sreg_proto_min];
|
||||
- range.max_proto.all =
|
||||
- *(__be16 *)®s->data[priv->sreg_proto_max];
|
||||
+ range.min_proto.all = (__force __be16)nft_reg_load16(
|
||||
+ ®s->data[priv->sreg_proto_min]);
|
||||
+ range.max_proto.all = (__force __be16)nft_reg_load16(
|
||||
+ ®s->data[priv->sreg_proto_max]);
|
||||
range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
|
||||
}
|
||||
|
||||
@ -1,55 +0,0 @@
|
||||
From 649affd04813c43e0a72886517fcfccd63230981 Mon Sep 17 00:00:00 2001
|
||||
From: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
Date: Mon, 29 Jun 2015 16:53:03 +0200
|
||||
Subject: uapi/if_ether.h: prevent redefinition of struct ethhdr
|
||||
|
||||
Musl provides its own ethhdr struct definition. Add a guard to prevent
|
||||
its definition of the appropriate musl header has already been included.
|
||||
|
||||
glibc does not implement this header, but when glibc will implement this
|
||||
they can just define __UAPI_DEF_ETHHDR 0 to make it work with the
|
||||
kernel.
|
||||
|
||||
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
---
|
||||
include/uapi/linux/if_ether.h | 3 +++
|
||||
include/uapi/linux/libc-compat.h | 6 ++++++
|
||||
2 files changed, 9 insertions(+)
|
||||
|
||||
--- a/include/uapi/linux/if_ether.h
|
||||
+++ b/include/uapi/linux/if_ether.h
|
||||
@@ -22,6 +22,7 @@
|
||||
#define _UAPI_LINUX_IF_ETHER_H
|
||||
|
||||
#include <linux/types.h>
|
||||
+#include <linux/libc-compat.h>
|
||||
|
||||
/*
|
||||
* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
|
||||
@@ -139,11 +140,13 @@
|
||||
* This is an Ethernet frame header.
|
||||
*/
|
||||
|
||||
+#if __UAPI_DEF_ETHHDR
|
||||
struct ethhdr {
|
||||
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
|
||||
unsigned char h_source[ETH_ALEN]; /* source ether addr */
|
||||
__be16 h_proto; /* packet type ID field */
|
||||
} __attribute__((packed));
|
||||
+#endif
|
||||
|
||||
|
||||
#endif /* _UAPI_LINUX_IF_ETHER_H */
|
||||
--- a/include/uapi/linux/libc-compat.h
|
||||
+++ b/include/uapi/linux/libc-compat.h
|
||||
@@ -263,4 +263,10 @@
|
||||
|
||||
#endif /* __GLIBC__ */
|
||||
|
||||
+/* Definitions for if_ether.h */
|
||||
+/* allow libcs like musl to deactivate this, glibc does not implement this. */
|
||||
+#ifndef __UAPI_DEF_ETHHDR
|
||||
+#define __UAPI_DEF_ETHHDR 1
|
||||
+#endif
|
||||
+
|
||||
#endif /* _UAPI_LIBC_COMPAT_H */
|
||||
Loading…
Reference in New Issue
Block a user