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Drop "net: ipv6: add net argument to ip6_dst_lookup_flow"

This commit is contained in:
Salvatore Bonaccorso 2020-05-16 15:09:53 +02:00
parent b4e9757aa9
commit a3892db44e
3 changed files with 0 additions and 245 deletions
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1
debian/changelog vendored
View File

@ -38,7 +38,6 @@ linux (4.19.119-1) UNRELEASED; urgency=medium
- virtio-blk: improve virtqueue error to BLK_STS
- scsi: smartpqi: fix call trace in device discovery
- PCI/ASPM: Allow re-enabling Clock PM
- net: ipv6: add net argument to ip6_dst_lookup_flow
- net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
- blktrace: Protect q->blk_trace with RCU
- blktrace: fix dereference after null check

243
debian/patches/bugfix/all/net-ipv6-add-net-argument-to-ip6_dst_lookup_flow.patch vendored
View File

@ -1,243 +0,0 @@
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Wed, 4 Dec 2019 15:35:52 +0100
Subject: net: ipv6: add net argument to ip6_dst_lookup_flow
Origin: https://git.kernel.org/linus/c4e85f73afb6384123e5ef1bba3315b2e3ad031e
This will be used in the conversion of ipv6_stub to ip6_dst_lookup_flow,
as some modules currently pass a net argument without a socket to
ip6_dst_lookup. This is equivalent to commit 343d60aada5a ("ipv6: change
ipv6_stub_impl.ipv6_dst_lookup to take net argument").
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 4.19: adjust context]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/net/ipv6.h | 2 +-
net/dccp/ipv6.c | 6 +++---
net/ipv6/af_inet6.c | 2 +-
net/ipv6/datagram.c | 2 +-
net/ipv6/inet6_connection_sock.c | 4 ++--
net/ipv6/ip6_output.c | 8 ++++----
net/ipv6/raw.c | 2 +-
net/ipv6/syncookies.c | 2 +-
net/ipv6/tcp_ipv6.c | 4 ++--
net/l2tp/l2tp_ip6.c | 2 +-
net/sctp/ipv6.c | 4 ++--
11 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index ff33f498c1373..4c2e40882e884 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -959,7 +959,7 @@ static inline struct sk_buff *ip6_finish_skb(struct sock *sk)
int ip6_dst_lookup(struct net *net, struct sock *sk, struct dst_entry **dst,
struct flowi6 *fl6);
-struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6,
+struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst);
struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 58a401e9cf09d..b438bed6749d4 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -211,7 +211,7 @@ static int dccp_v6_send_response(const struct sock *sk, struct request_sock *req
final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), &final);
rcu_read_unlock();
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
@@ -282,7 +282,7 @@ static void dccp_v6_ctl_send_reset(const struct sock *sk, struct sk_buff *rxskb)
security_skb_classify_flow(rxskb, flowi6_to_flowi(&fl6));
/* sk = NULL, but it is safe for now. RST socket required. */
- dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL);
+ dst = ip6_dst_lookup_flow(sock_net(ctl_sk), ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(skb, dst);
ip6_xmit(ctl_sk, skb, &fl6, 0, NULL, 0);
@@ -912,7 +912,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
opt = rcu_dereference_protected(np->opt, lockdep_sock_is_held(sk));
final_p = fl6_update_dst(&fl6, opt, &final);
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 79fcd9550fd2e..5db88be8b6ecb 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -740,7 +740,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
&final);
rcu_read_unlock();
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
sk->sk_route_caps = 0;
sk->sk_err_soft = -PTR_ERR(dst);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 971a0fdf1fbc3..727f958dd8695 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -89,7 +89,7 @@ int ip6_datagram_dst_update(struct sock *sk, bool fix_sk_saddr)
final_p = fl6_update_dst(&fl6, opt, &final);
rcu_read_unlock();
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 890adadcda16a..92fe9e565da0b 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -52,7 +52,7 @@ struct dst_entry *inet6_csk_route_req(const struct sock *sk,
fl6->flowi6_uid = sk->sk_uid;
security_req_classify_flow(req, flowi6_to_flowi(fl6));
- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);
if (IS_ERR(dst))
return NULL;
@@ -107,7 +107,7 @@ static struct dst_entry *inet6_csk_route_socket(struct sock *sk,
dst = __inet6_csk_dst_check(sk, np->dst_cookie);
if (!dst) {
- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);
if (!IS_ERR(dst))
ip6_dst_store(sk, dst, NULL, NULL);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9886a84c25117..22665e3638ac4 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1071,19 +1071,19 @@ EXPORT_SYMBOL_GPL(ip6_dst_lookup);
* It returns a valid dst pointer on success, or a pointer encoded
* error code.
*/
-struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6,
+struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst)
{
struct dst_entry *dst = NULL;
int err;
- err = ip6_dst_lookup_tail(sock_net(sk), sk, &dst, fl6);
+ err = ip6_dst_lookup_tail(net, sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
fl6->daddr = *final_dst;
- return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
+ return xfrm_lookup_route(net, dst, flowi6_to_flowi(fl6), sk, 0);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow);
@@ -1115,7 +1115,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
if (dst)
return dst;
- dst = ip6_dst_lookup_flow(sk, fl6, final_dst);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_dst);
if (connected && !IS_ERR(dst))
ip6_sk_dst_store_flow(sk, dst_clone(dst), fl6);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index a41156a00dd44..8d19729f85162 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -928,7 +928,7 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index e997141aed8c0..a377be8a9fb44 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -240,7 +240,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
fl6.flowi6_uid = sk->sk_uid;
security_req_classify_flow(req, flowi6_to_flowi(&fl6));
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst))
goto out_free;
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 7b0c2498f461b..2e76ebfdc907d 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -268,7 +268,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
@@ -885,7 +885,7 @@ static void tcp_v6_send_response(const struct sock *sk, struct sk_buff *skb, u32
* Underlying function will use this to retrieve the network
* namespace
*/
- dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL);
+ dst = ip6_dst_lookup_flow(sock_net(ctl_sk), ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(buff, dst);
ip6_xmit(ctl_sk, buff, &fl6, fl6.flowi6_mark, NULL, tclass);
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 37a69df17cab9..2f28f9910b92e 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -619,7 +619,7 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 7657194f396e1..736d8ca9821bc 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -288,7 +288,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
rcu_read_unlock();
- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);
if (!asoc || saddr) {
t->dst = dst;
memcpy(fl, &_fl, sizeof(_fl));
@@ -346,7 +346,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
fl6->saddr = laddr->a.v6.sin6_addr;
fl6->fl6_sport = laddr->a.v6.sin6_port;
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
- bdst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ bdst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);
if (IS_ERR(bdst))
continue;
--
2.20.1

1
debian/patches/series vendored
View File

@ -298,7 +298,6 @@ features/arm/staging-vc04_services-Use-correct-cache-line-size.patch
# Security fixes
debian/i386-686-pae-pci-set-pci-nobios-by-default.patch
debian/ntfs-mark-it-as-broken.patch
bugfix/all/net-ipv6-add-net-argument-to-ip6_dst_lookup_flow.patch
bugfix/all/net-ipv6_stub-use-ip6_dst_lookup_flow-instead-of-ip6.patch
bugfix/all/blktrace-protect-q-blk_trace-with-rcu.patch
bugfix/all/blktrace-fix-dereference-after-null-check.patch