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https://github.com/archlinuxarm/PKGBUILDs.git
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core/linux-armv5 to 4.8.13-2
This commit is contained in:
Kevin Mihelich
parent
5f7886c0b1
commit
8b1844cac8
5 changed files with 108 additions and 13 deletions
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@ -1,7 +1,7 @@
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From 660d4994695ba46f3347ee464f84a72abf928c66 Mon Sep 17 00:00:00 2001
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From 657105044a20ff77d65c6b5b61896cb44ae417bc Mon Sep 17 00:00:00 2001
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From: Douglas Gilbert <[mailto:dgilbert@interlog.com]>
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Date: Mon, 12 Aug 2013 10:36:25 -0500
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Subject: [PATCH 1/3] at91: ariag25 updates
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Subject: [PATCH 1/4] at91: ariag25 updates
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v2: dropped at91sam9x5 usart fix, as merged mainline
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@ -89,5 +89,5 @@ index 4da011a..4d23221 100644
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usb0: ohci@00600000 {
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--
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2.10.0
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2.10.2
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@ -1,7 +1,7 @@
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From 1c07b8142cf2591ab9ff12ba17b3f1213e2cc97b Mon Sep 17 00:00:00 2001
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From 3854c9a5d5083f5f9237032278dee51c47bdea9d Mon Sep 17 00:00:00 2001
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From: Kevin Mihelich <kevin@archlinuxarm.org>
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Date: Sat, 13 Jun 2015 13:46:30 -0600
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Subject: [PATCH 2/3] at91: arietta-g25 support
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Subject: [PATCH 2/4] at91: arietta-g25 support
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Signed-off-by: Kevin Mihelich <kevin@archlinuxarm.org>
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---
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@ -376,5 +376,5 @@ index 0000000..cbae789
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+
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+};
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--
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2.10.0
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2.10.2
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@ -1,7 +1,7 @@
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From ff32bdfbeb1f2167c6703d37f61e8d5e3d626eb6 Mon Sep 17 00:00:00 2001
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From 2b64bb5d8e67f0e84d8481ff932b845e28eb6111 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Tue, 18 Feb 2014 01:43:50 -0300
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Subject: [PATCH 3/3] net/smsc95xx: Allow mac address to be set as a parameter
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Subject: [PATCH 3/4] net/smsc95xx: Allow mac address to be set as a parameter
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---
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drivers/net/usb/smsc95xx.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++
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@ -91,5 +91,5 @@ index dc989a8..912be75 100644
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/* maybe the boot loader passed the MAC address in devicetree */
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--
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2.10.0
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2.10.2
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@ -0,0 +1,92 @@
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From fe0d7be03ac2dccc7c101a84652e9891e849d1e3 Mon Sep 17 00:00:00 2001
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From: Philip Pettersson <philip.pettersson@gmail.com>
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Date: Wed, 30 Nov 2016 14:55:36 -0800
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Subject: [PATCH 4/4] packet: fix race condition in packet_set_ring
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When packet_set_ring creates a ring buffer it will initialize a
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struct timer_list if the packet version is TPACKET_V3. This value
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can then be raced by a different thread calling setsockopt to
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set the version to TPACKET_V1 before packet_set_ring has finished.
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This leads to a use-after-free on a function pointer in the
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struct timer_list when the socket is closed as the previously
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initialized timer will not be deleted.
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The bug is fixed by taking lock_sock(sk) in packet_setsockopt when
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changing the packet version while also taking the lock at the start
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of packet_set_ring.
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Fixes: f6fb8f100b80 ("af-packet: TPACKET_V3 flexible buffer implementation.")
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Signed-off-by: Philip Pettersson <philip.pettersson@gmail.com>
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Signed-off-by: Eric Dumazet <edumazet@google.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/packet/af_packet.c | 18 ++++++++++++------
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1 file changed, 12 insertions(+), 6 deletions(-)
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diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
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index d2238b2..dd23323 100644
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--- a/net/packet/af_packet.c
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+++ b/net/packet/af_packet.c
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@@ -3648,19 +3648,25 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
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if (optlen != sizeof(val))
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return -EINVAL;
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- if (po->rx_ring.pg_vec || po->tx_ring.pg_vec)
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- return -EBUSY;
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if (copy_from_user(&val, optval, sizeof(val)))
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return -EFAULT;
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switch (val) {
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case TPACKET_V1:
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case TPACKET_V2:
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case TPACKET_V3:
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- po->tp_version = val;
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- return 0;
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+ break;
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default:
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return -EINVAL;
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}
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+ lock_sock(sk);
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+ if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) {
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+ ret = -EBUSY;
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+ } else {
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+ po->tp_version = val;
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+ ret = 0;
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+ }
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+ release_sock(sk);
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+ return ret;
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}
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case PACKET_RESERVE:
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{
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@@ -4164,6 +4170,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
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/* Added to avoid minimal code churn */
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struct tpacket_req *req = &req_u->req;
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+ lock_sock(sk);
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/* Opening a Tx-ring is NOT supported in TPACKET_V3 */
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if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) {
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net_warn_ratelimited("Tx-ring is not supported.\n");
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@@ -4245,7 +4252,6 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
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goto out;
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}
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- lock_sock(sk);
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/* Detach socket from network */
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spin_lock(&po->bind_lock);
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@@ -4294,11 +4300,11 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
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if (!tx_ring)
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prb_shutdown_retire_blk_timer(po, rb_queue);
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}
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- release_sock(sk);
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if (pg_vec)
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free_pg_vec(pg_vec, order, req->tp_block_nr);
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out:
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+ release_sock(sk);
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return err;
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}
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--
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2.10.2
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@ -8,7 +8,7 @@ _srcname=linux-4.8
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_kernelname=${pkgbase#linux}
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_desc="ARMv5 multi-platform"
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pkgver=4.8.13
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pkgrel=1
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pkgrel=2
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arch=('arm')
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url="http://www.kernel.org/"
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license=('GPL2')
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@ -19,12 +19,14 @@ source=("http://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
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'0001-at91-ariag25-updates.patch'
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'0002-at91-arietta-g25-support.patch'
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'0003-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch'
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'0004-packet-fix-race-condition-in-packet_set_ring.patch'
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'config')
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md5sums=('c1af0afbd3df35c1ccdc7a5118cd2d07'
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'bc208ac66340464839ee61a4621d9384'
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'd924f9e1c4d4ee5c775c26a5fe5410ee'
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'010bda68c324c7ab962ca37fccebaba5'
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'87f22b8c22f67e21931ae762147e04e6'
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'5d8ebae24bc9f81630e5362f2f71586b'
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'6ee0081556ccd6c4cc6296406a50e801'
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'f9af3cfaf2fb091357f3963b604a539d'
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'3768a608243a59fed2834e26ef3d42b4'
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'04e8b83be4eafd9c9646d5bec6d5a772')
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prepare() {
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@ -37,6 +39,7 @@ prepare() {
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git apply ../0001-at91-ariag25-updates.patch
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git apply ../0002-at91-arietta-g25-support.patch
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git apply ../0003-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
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git apply ../0004-packet-fix-race-condition-in-packet_set_ring.patch
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cat "${srcdir}/config" > ./.config
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