Re: Linux 3.0.96

From: Greg KH
Date: Sat Sep 14 2013 - 10:12:31 EST


diff --git a/Makefile b/Makefile
index 58ce3d7..e2a73eb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 0
-SUBLEVEL = 95
+SUBLEVEL = 96
EXTRAVERSION =
NAME = Sneaky Weasel

diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile
index 177716b..01729c2 100644
--- a/arch/m32r/boot/compressed/Makefile
+++ b/arch/m32r/boot/compressed/Makefile
@@ -43,9 +43,9 @@ endif

OBJCOPYFLAGS += -R .empty_zero_page

-suffix_$(CONFIG_KERNEL_GZIP) = gz
-suffix_$(CONFIG_KERNEL_BZIP2) = bz2
-suffix_$(CONFIG_KERNEL_LZMA) = lzma
+suffix-$(CONFIG_KERNEL_GZIP) = gz
+suffix-$(CONFIG_KERNEL_BZIP2) = bz2
+suffix-$(CONFIG_KERNEL_LZMA) = lzma

$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
$(call if_changed,ld)
diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c
index 370d608..28a0952 100644
--- a/arch/m32r/boot/compressed/misc.c
+++ b/arch/m32r/boot/compressed/misc.c
@@ -28,7 +28,7 @@ static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;

#ifdef CONFIG_KERNEL_BZIP2
-static void *memset(void *s, int c, size_t n)
+void *memset(void *s, int c, size_t n)
{
char *ss = s;

@@ -39,6 +39,16 @@ static void *memset(void *s, int c, size_t n)
#endif

#ifdef CONFIG_KERNEL_GZIP
+void *memcpy(void *dest, const void *src, size_t n)
+{
+ char *d = dest;
+ const char *s = src;
+ while (n--)
+ *d++ = *s++;
+
+ return dest;
+}
+
#define BOOT_HEAP_SIZE 0x10000
#include "../../../../lib/decompress_inflate.c"
#endif
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index f9804b7..1e88eef 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -445,6 +445,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,

static void __vcpu_run(struct kvm_vcpu *vcpu)
{
+ int rc;
+
memcpy(&vcpu->arch.sie_block->gg14, &vcpu->arch.guest_gprs[14], 16);

if (need_resched())
@@ -455,21 +457,24 @@ static void __vcpu_run(struct kvm_vcpu *vcpu)

kvm_s390_deliver_pending_interrupts(vcpu);

+ VCPU_EVENT(vcpu, 6, "entering sie flags %x",
+ atomic_read(&vcpu->arch.sie_block->cpuflags));
+
vcpu->arch.sie_block->icptcode = 0;
local_irq_disable();
kvm_guest_enter();
local_irq_enable();
- VCPU_EVENT(vcpu, 6, "entering sie flags %x",
- atomic_read(&vcpu->arch.sie_block->cpuflags));
- if (sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs)) {
+ rc = sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs);
+ local_irq_disable();
+ kvm_guest_exit();
+ local_irq_enable();
+
+ if (rc) {
VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction");
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
}
VCPU_EVENT(vcpu, 6, "exit sie icptcode %d",
vcpu->arch.sie_block->icptcode);
- local_irq_disable();
- kvm_guest_exit();
- local_irq_enable();

memcpy(&vcpu->arch.guest_gprs[14], &vcpu->arch.sie_block->gg14, 16);
}
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 28c5c6a..476b2ed 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -614,8 +614,9 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun,
int offset = 0;

if (!(tun->flags & TUN_NO_PI)) {
- if ((len -= sizeof(pi)) > count)
+ if (len < sizeof(pi))
return -EINVAL;
+ len -= sizeof(pi);

if (memcpy_fromiovecend((void *)&pi, iv, 0, sizeof(pi)))
return -EFAULT;
@@ -623,8 +624,9 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun,
}

if (tun->flags & TUN_VNET_HDR) {
- if ((len -= tun->vnet_hdr_sz) > count)
+ if (len < tun->vnet_hdr_sz)
return -EINVAL;
+ len -= tun->vnet_hdr_sz;

if (memcpy_fromiovecend((void *)&gso, iv, offset, sizeof(gso)))
return -EFAULT;
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index a9c46cc..8c33491 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -1,3 +1,5 @@
+#include <linux/prefetch.h>
+
/**
* iommu_fill_pdir - Insert coalesced scatter/gather chunks into the I/O Pdir.
* @ioc: The I/O Controller.
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 094308e..9eff33b 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_UNICORE32) += setup-bus.o setup-irq.o
obj-$(CONFIG_PARISC) += setup-bus.o
obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o
obj-$(CONFIG_PPC) += setup-bus.o
+obj-$(CONFIG_FRV) += setup-bus.o
obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
obj-$(CONFIG_X86_VISWS) += setup-irq.o
obj-$(CONFIG_MN10300) += setup-bus.o
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index ba45e6b..f5a21d0 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -123,6 +123,8 @@ static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
#define ICMPV6_NOT_NEIGHBOUR 2
#define ICMPV6_ADDR_UNREACH 3
#define ICMPV6_PORT_UNREACH 4
+#define ICMPV6_POLICY_FAIL 5
+#define ICMPV6_REJECT_ROUTE 6

/*
* Codes for Time Exceeded
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 0c99776..84b1447 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -255,6 +255,7 @@ struct inet6_skb_parm {
#define IP6SKB_XFRM_TRANSFORMED 1
#define IP6SKB_FORWARDED 2
#define IP6SKB_REROUTED 4
+#define IP6SKB_FRAGMENTED 16
};

#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 940c001..c637a66 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1155,7 +1155,8 @@ static int br_ip6_multicast_query(struct net_bridge *br,
mld2q = (struct mld2_query *)icmp6_hdr(skb);
if (!mld2q->mld2q_nsrcs)
group = &mld2q->mld2q_mca;
- max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(mld2q->mld2q_mrc) : 1;
+
+ max_delay = max(msecs_to_jiffies(MLDV2_MRC(ntohs(mld2q->mld2q_mrc))), 1UL);
}

if (!group)
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 77a65f0..f0bdd36 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -19,6 +19,9 @@
#include <net/sock.h>
#include <net/net_ratelimit.h>

+static int zero = 0;
+static int ushort_max = USHRT_MAX;
+
#ifdef CONFIG_RPS
static int rps_sock_flow_sysctl(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
@@ -192,7 +195,9 @@ static struct ctl_table netns_core_table[] = {
.data = &init_net.core.sysctl_somaxconn,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .extra1 = &zero,
+ .extra2 = &ushort_max,
+ .proc_handler = proc_dointvec_minmax
},
{ }
};
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 0d884eb..e11f4a5 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -72,7 +72,6 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/slab.h>
-#include <linux/prefetch.h>
#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/protocol.h>
@@ -1772,10 +1771,8 @@ static struct leaf *leaf_walk_rcu(struct tnode *p, struct rt_trie_node *c)
if (!c)
continue;

- if (IS_LEAF(c)) {
- prefetch(rcu_dereference_rtnl(p->child[idx]));
+ if (IS_LEAF(c))
return (struct leaf *) c;
- }

/* Rescan start scanning in new node */
p = (struct tnode *) c;
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index f376b05..b78eac2 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -204,8 +204,8 @@ static u32 cubic_root(u64 a)
*/
static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
{
- u64 offs;
- u32 delta, t, bic_target, max_cnt;
+ u32 delta, bic_target, max_cnt;
+ u64 offs, t;

ca->ack_cnt++; /* count the number of ACKs */

@@ -248,9 +248,11 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
* if the cwnd < 1 million packets !!!
*/

+ t = (s32)(tcp_time_stamp - ca->epoch_start);
+ t += msecs_to_jiffies(ca->delay_min >> 3);
/* change the unit from HZ to bictcp_HZ */
- t = ((tcp_time_stamp + msecs_to_jiffies(ca->delay_min>>3)
- - ca->epoch_start) << BICTCP_HZ) / HZ;
+ t <<= BICTCP_HZ;
+ do_div(t, HZ);

if (t < ca->bic_K) /* t - K */
offs = ca->bic_K - t;
@@ -412,7 +414,7 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
return;

/* Discard delay samples right after fast recovery */
- if ((s32)(tcp_time_stamp - ca->epoch_start) < HZ)
+ if (ca->epoch_start && (s32)(tcp_time_stamp - ca->epoch_start) < HZ)
return;

delay = (rtt_us << 3) / USEC_PER_MSEC;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9c6099d..4eb58a3 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -912,12 +912,10 @@ retry:
if (ifp->flags & IFA_F_OPTIMISTIC)
addr_flags |= IFA_F_OPTIMISTIC;

- ift = !max_addresses ||
- ipv6_count_addresses(idev) < max_addresses ?
- ipv6_add_addr(idev, &addr, tmp_plen,
- ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK,
- addr_flags) : NULL;
- if (!ift || IS_ERR(ift)) {
+ ift = ipv6_add_addr(idev, &addr, tmp_plen,
+ ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK,
+ addr_flags);
+ if (IS_ERR(ift)) {
in6_ifa_put(ifp);
in6_dev_put(idev);
printk(KERN_INFO
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 1190041..a51d187 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -917,6 +917,14 @@ static const struct icmp6_err {
.err = ECONNREFUSED,
.fatal = 1,
},
+ { /* POLICY_FAIL */
+ .err = EACCES,
+ .fatal = 1,
+ },
+ { /* REJECT_ROUTE */
+ .err = EACCES,
+ .fatal = 1,
+ },
};

int icmpv6_err_convert(u8 type, u8 code, int *err)
@@ -928,7 +936,7 @@ int icmpv6_err_convert(u8 type, u8 code, int *err)
switch (type) {
case ICMPV6_DEST_UNREACH:
fatal = 1;
- if (code <= ICMPV6_PORT_UNREACH) {
+ if (code < ARRAY_SIZE(tab_unreach)) {
*err = tab_unreach[code].err;
fatal = tab_unreach[code].fatal;
}
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 320d91d..1a503ab 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -866,14 +866,22 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,

if (ipv6_prefix_equal(&key->addr, args->addr, key->plen)) {
#ifdef CONFIG_IPV6_SUBTREES
- if (fn->subtree)
- fn = fib6_lookup_1(fn->subtree, args + 1);
+ if (fn->subtree) {
+ struct fib6_node *sfn;
+ sfn = fib6_lookup_1(fn->subtree,
+ args + 1);
+ if (!sfn)
+ goto backtrack;
+ fn = sfn;
+ }
#endif
- if (!fn || fn->fn_flags & RTN_RTINFO)
+ if (fn->fn_flags & RTN_RTINFO)
return fn;
}
}
-
+#ifdef CONFIG_IPV6_SUBTREES
+backtrack:
+#endif
if (fn->fn_flags & RTN_ROOT)
break;

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 31ba78c..f01c153 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -456,7 +456,6 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
struct sk_buff *skb;
struct icmp6hdr *hdr;
int len;
- int err;
u8 *opt;

if (!dev->addr_len)
@@ -466,14 +465,12 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
if (llinfo)
len += ndisc_opt_addr_space(dev);

- skb = sock_alloc_send_skb(sk,
- (MAX_HEADER + sizeof(struct ipv6hdr) +
- len + LL_ALLOCATED_SPACE(dev)),
- 1, &err);
+ skb = alloc_skb((MAX_HEADER + sizeof(struct ipv6hdr) +
+ len + LL_ALLOCATED_SPACE(dev)), GFP_ATOMIC);
if (!skb) {
ND_PRINTK0(KERN_ERR
- "ICMPv6 ND: %s() failed to allocate an skb, err=%d.\n",
- __func__, err);
+ "ICMPv6 ND: %s() failed to allocate an skb.\n",
+ __func__);
return NULL;
}

@@ -501,6 +498,11 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
csum_partial(hdr,
len, 0));

+ /* Manually assign socket ownership as we avoid calling
+ * sock_alloc_send_pskb() to bypass wmem buffer limits
+ */
+ skb_set_owner_w(skb, sk);
+
return skb;
}

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 0b525c2..cc332c0 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -516,6 +516,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
head->tstamp = fq->q.stamp;
ipv6_hdr(head)->payload_len = htons(payload_len);
IP6CB(head)->nhoff = nhoff;
+ IP6CB(head)->flags |= IP6SKB_FRAGMENTED;

/* Yes, and fold redundant checksum back. 8) */
if (head->ip_summed == CHECKSUM_COMPLETE)
@@ -551,6 +552,9 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
const struct ipv6hdr *hdr = ipv6_hdr(skb);
struct net *net = dev_net(skb_dst(skb)->dev);

+ if (IP6CB(skb)->flags & IP6SKB_FRAGMENTED)
+ goto fail_hdr;
+
IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMREQDS);

/* Jumbo payload inhibits frag. header */
@@ -571,6 +575,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMOKS);

IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
+ IP6CB(skb)->flags |= IP6SKB_FRAGMENTED;
return 1;
}

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index f08b9166..caa5aff 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -86,7 +86,7 @@ struct htb_class {
unsigned int children;
struct htb_class *parent; /* parent class */

- int prio; /* these two are used only by leaves... */
+ u32 prio; /* these two are used only by leaves... */
int quantum; /* but stored for parent-to-leaf return */

union {
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index b69092e..a8c2a6b2 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -53,6 +53,7 @@ struct eth_bearer {
struct tipc_bearer *bearer;
struct net_device *dev;
struct packet_type tipc_packet_type;
+ struct work_struct setup;
};

static struct eth_bearer eth_bearers[MAX_ETH_BEARERS];
@@ -121,6 +122,17 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev,
}

/**
+ * setup_bearer - setup association between Ethernet bearer and interface
+ */
+static void setup_bearer(struct work_struct *work)
+{
+ struct eth_bearer *eb_ptr =
+ container_of(work, struct eth_bearer, setup);
+
+ dev_add_pack(&eb_ptr->tipc_packet_type);
+}
+
+/**
* enable_bearer - attach TIPC bearer to an Ethernet interface
*/

@@ -167,7 +179,8 @@ static int enable_bearer(struct tipc_bearer *tb_ptr)
eb_ptr->tipc_packet_type.af_packet_priv = eb_ptr;
INIT_LIST_HEAD(&(eb_ptr->tipc_packet_type.list));
dev_hold(dev);
- dev_add_pack(&eb_ptr->tipc_packet_type);
+ INIT_WORK(&eb_ptr->setup, setup_bearer);
+ schedule_work(&eb_ptr->setup);
}

/* Associate TIPC bearer with Ethernet bearer */
--
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