diff options
-rw-r--r-- | .SRCINFO | 20 | ||||
-rw-r--r-- | PKGBUILD | 15 | ||||
-rw-r--r-- | fix_race_condition_in_packet_set_ring.diff | 84 |
3 files changed, 14 insertions, 105 deletions
@@ -1,8 +1,8 @@ # Generated by makepkg 5.0.1 -# Thu Dec 8 19:00:58 UTC 2016 +# Fri Jan 6 18:07:11 UTC 2017 pkgbase = linux-rt-lts - pkgver = 4.4.32_rt43 - pkgrel = 2 + pkgver = 4.4.39_rt50 + pkgrel = 1 url = http://www.kernel.org/ arch = i686 arch = x86_64 @@ -15,14 +15,13 @@ pkgbase = linux-rt-lts options = !strip source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.4.tar.xz source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.4.tar.sign - source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.4.32.xz - source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.4.32.sign - source = https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patch-4.4.32-rt43.patch.xz - source = https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patch-4.4.32-rt43.patch.sign + source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.4.39.xz + source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.4.39.sign + source = https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patch-4.4.39-rt50.patch.xz + source = https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patch-4.4.39-rt50.patch.sign source = config source = config.x86_64 source = linux-rt-lts.preset - source = fix_race_condition_in_packet_set_ring.diff source = change-default-console-loglevel.patch source = fix-race-in-PRT-wait-for-completion-simple-wait-code_Nvidia-RT-160319.patch validpgpkeys = ABAF11C65A2970B130ABE3C479BE3E4300411886 @@ -32,14 +31,13 @@ pkgbase = linux-rt-lts validpgpkeys = E644E2F1D45FA0B2EAA02F33109F098506FF0B14 sha256sums = 401d7c8fef594999a460d10c72c5a94e9c2e1022f16795ec51746b0d165418b2 sha256sums = SKIP - sha256sums = 329b6b24e9e02b2e01ab13a9f62f853b37272c4f1c210cdcdda93937e0d0cb18 + sha256sums = fc2b60d221aeaf3eafec4f36f299e4002be81da85117c3f59963fdcb6facb929 sha256sums = SKIP - sha256sums = d496b0432886a754d081a342e275f048e9567c9827972696ee9ab29cdccb9fb6 + sha256sums = 58ea58fc0807d4665909b66e6223eb3e94fe2aea8df4b7ff5956673198a6d0cc sha256sums = SKIP sha256sums = 1f609d41a9d5cd0eb88060bd0ad6726f76e9dbf0deee44d6fe3dc57f0fbb3191 sha256sums = b28728fa4816c4f32b4b390b22c8b9d4ea52a35b150ed7041d325ab72cd8c6a3 sha256sums = a8886f2c9896f81f59cf0413b3e380cda2fbdc667eb9ce8dfcb0fceb6d92279f - sha256sums = ad1ee95f906f88d31fcdb9273cd08e02e8eda177449f0c98dc1bff8cbf1483c2 sha256sums = 1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99 sha256sums = 85f7612edfa129210343d6a4fe4ba2a4ac3542d98b7e28c8896738e7e6541c06 @@ -7,10 +7,10 @@ #pkgbase=linux # Build stock -ARCH kernel pkgbase=linux-rt-lts # Build kernel with a different name _srcname=linux-4.4 -_pkgver=4.4.32 -_rtpatchver=rt43 +_pkgver=4.4.39 +_rtpatchver=rt50 pkgver=${_pkgver}_${_rtpatchver} -pkgrel=2 +pkgrel=1 arch=('i686' 'x86_64') url="http://www.kernel.org/" license=('GPL2') @@ -26,20 +26,18 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz" 'config' 'config.x86_64' # standard config files for mkinitcpio ramdisk "${pkgbase}.preset" - 'fix_race_condition_in_packet_set_ring.diff' 'change-default-console-loglevel.patch' 'fix-race-in-PRT-wait-for-completion-simple-wait-code_Nvidia-RT-160319.patch') sha256sums=('401d7c8fef594999a460d10c72c5a94e9c2e1022f16795ec51746b0d165418b2' 'SKIP' - '329b6b24e9e02b2e01ab13a9f62f853b37272c4f1c210cdcdda93937e0d0cb18' + 'fc2b60d221aeaf3eafec4f36f299e4002be81da85117c3f59963fdcb6facb929' 'SKIP' - 'd496b0432886a754d081a342e275f048e9567c9827972696ee9ab29cdccb9fb6' + '58ea58fc0807d4665909b66e6223eb3e94fe2aea8df4b7ff5956673198a6d0cc' 'SKIP' '1f609d41a9d5cd0eb88060bd0ad6726f76e9dbf0deee44d6fe3dc57f0fbb3191' 'b28728fa4816c4f32b4b390b22c8b9d4ea52a35b150ed7041d325ab72cd8c6a3' 'a8886f2c9896f81f59cf0413b3e380cda2fbdc667eb9ce8dfcb0fceb6d92279f' - 'ad1ee95f906f88d31fcdb9273cd08e02e8eda177449f0c98dc1bff8cbf1483c2' '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99' '85f7612edfa129210343d6a4fe4ba2a4ac3542d98b7e28c8896738e7e6541c06') @@ -65,9 +63,6 @@ prepare() { # add latest fixes from stable queue, if needed # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git - msg "fix_race_condition_in_packet_set_ring.diff" - patch -p1 -i "${srcdir}/fix_race_condition_in_packet_set_ring.diff" - # set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param) # remove this when a Kconfig knob is made available by upstream # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227) diff --git a/fix_race_condition_in_packet_set_ring.diff b/fix_race_condition_in_packet_set_ring.diff deleted file mode 100644 index 12048f6..0000000 --- a/fix_race_condition_in_packet_set_ring.diff +++ /dev/null @@ -1,84 +0,0 @@ -From: Philip Pettersson <philip.pettersson@gmail.com> - -When packet_set_ring creates a ring buffer it will initialize a -struct timer_list if the packet version is TPACKET_V3. This value -can then be raced by a different thread calling setsockopt to -set the version to TPACKET_V1 before packet_set_ring has finished. - -This leads to a use-after-free on a function pointer in the -struct timer_list when the socket is closed as the previously -initialized timer will not be deleted. - -The bug is fixed by taking lock_sock(sk) in packet_setsockopt when -changing the packet version while also taking the lock at the start -of packet_set_ring. - -Fixes: f6fb8f100b80 ("af-packet: TPACKET_V3 flexible buffer implementation.") -Signed-off-by: Philip Pettersson <philip.pettersson@gmail.com> -Signed-off-by: Eric Dumazet <edumazet@google.com> ---- - net/packet/af_packet.c | 18 ++++++++++++------ - 1 file changed, 12 insertions(+), 6 deletions(-) - -diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c -index d2238b204691b8e4f2e3acb9bc167b553ba32d50..dd2332390c45bbff7c3fc5d259453f2e1ca352bf 100644 ---- a/net/packet/af_packet.c -+++ b/net/packet/af_packet.c -@@ -3648,19 +3648,25 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv - - if (optlen != sizeof(val)) - return -EINVAL; -- if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) -- return -EBUSY; - if (copy_from_user(&val, optval, sizeof(val))) - return -EFAULT; - switch (val) { - case TPACKET_V1: - case TPACKET_V2: - case TPACKET_V3: -- po->tp_version = val; -- return 0; -+ break; - default: - return -EINVAL; - } -+ lock_sock(sk); -+ if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) { -+ ret = -EBUSY; -+ } else { -+ po->tp_version = val; -+ ret = 0; -+ } -+ release_sock(sk); -+ return ret; - } - case PACKET_RESERVE: - { -@@ -4164,6 +4170,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, - /* Added to avoid minimal code churn */ - struct tpacket_req *req = &req_u->req; - -+ lock_sock(sk); - /* Opening a Tx-ring is NOT supported in TPACKET_V3 */ - if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) { - net_warn_ratelimited("Tx-ring is not supported.\n"); -@@ -4245,7 +4252,6 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, - goto out; - } - -- lock_sock(sk); - - /* Detach socket from network */ - spin_lock(&po->bind_lock); -@@ -4294,11 +4300,11 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, - if (!tx_ring) - prb_shutdown_retire_blk_timer(po, rb_queue); - } -- release_sock(sk); - - if (pg_vec) - free_pg_vec(pg_vec, order, req->tp_block_nr); - out: -+ release_sock(sk); - return err; - } |