December 2017 - Linux-stable-mirror

[Linux-stable-mirror] Patch "NFSv4.1 respect server's max size in CREATE_SESSION" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled NFSv4.1 respect server's max size in CREATE_SESSION to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: nfsv4.1-respect-server-s-max-size-in-create_session.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: Olga Kornievskaia <kolga(a)netapp.com> Date: Wed, 8 Mar 2017 14:39:15 -0500 Subject: NFSv4.1 respect server's max size in CREATE_SESSION From: Olga Kornievskaia <kolga(a)netapp.com> [ Upstream commit 033853325fe3bdc70819a8b97915bd3bca41d3af ] Currently client doesn't respect max sizes server returns in CREATE_SESSION. nfs4_session_set_rwsize() gets called and server->rsize, server->wsize are 0 so they never get set to the sizes returned by the server. Signed-off-by: Olga Kornievskaia <kolga(a)netapp.com> Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/nfs/nfs4client.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -1004,9 +1004,9 @@ static void nfs4_session_set_rwsize(stru server_resp_sz = sess->fc_attrs.max_resp_sz - nfs41_maxread_overhead; server_rqst_sz = sess->fc_attrs.max_rqst_sz - nfs41_maxwrite_overhead; - if (server->rsize > server_resp_sz) + if (!server->rsize || server->rsize > server_resp_sz) server->rsize = server_resp_sz; - if (server->wsize > server_rqst_sz) + if (!server->wsize || server->wsize > server_rqst_sz) server->wsize = server_rqst_sz; #endif /* CONFIG_NFS_V4_1 */ } Patches currently in stable-queue which might be from kolga(a)netapp.com are queue-4.9/nfsv4.1-respect-server-s-max-size-in-create_session.patch

7 years

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[Linux-stable-mirror] Patch "NFSD: fix nfsd_reset_versions for NFSv4." has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled NFSD: fix nfsd_reset_versions for NFSv4. to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: nfsd-fix-nfsd_reset_versions-for-nfsv4.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: NeilBrown <neilb(a)suse.com> Date: Fri, 10 Mar 2017 11:36:39 +1100 Subject: NFSD: fix nfsd_reset_versions for NFSv4. From: NeilBrown <neilb(a)suse.com> [ Upstream commit 800a938f0bf9130c8256116649c0cc5806bfb2fd ] If you write "-2 -3 -4" to the "versions" file, it will notice that no versions are enabled, and nfsd_reset_versions() is called. This enables all major versions, not no minor versions. So we lose the invariant that NFSv4 is only advertised when at least one minor is enabled. Fix the code to explicitly enable minor versions for v4, change it to use nfsd_vers() to test and set, and simplify the code. Signed-off-by: NeilBrown <neilb(a)suse.com> Signed-off-by: J. Bruce Fields <bfields(a)redhat.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/nfsd/nfssvc.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -400,23 +400,20 @@ static void nfsd_last_thread(struct svc_ void nfsd_reset_versions(void) { - int found_one = 0; int i; - for (i = NFSD_MINVERS; i < NFSD_NRVERS; i++) { - if (nfsd_program.pg_vers[i]) - found_one = 1; - } + for (i = 0; i < NFSD_NRVERS; i++) + if (nfsd_vers(i, NFSD_TEST)) + return; - if (!found_one) { - for (i = NFSD_MINVERS; i < NFSD_NRVERS; i++) - nfsd_program.pg_vers[i] = nfsd_version[i]; -#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) - for (i = NFSD_ACL_MINVERS; i < NFSD_ACL_NRVERS; i++) - nfsd_acl_program.pg_vers[i] = - nfsd_acl_version[i]; -#endif - } + for (i = 0; i < NFSD_NRVERS; i++) + if (i != 4) + nfsd_vers(i, NFSD_SET); + else { + int minor = 0; + while (nfsd_minorversion(minor, NFSD_SET) >= 0) + minor++; + } } /* Patches currently in stable-queue which might be from neilb(a)suse.com are queue-4.9/md-cluster-free-md_cluster_info-if-node-leave-cluster.patch queue-4.9/autofs-fix-careless-error-in-recent-commit.patch queue-4.9/raid5-set-r5_expanded-on-parity-devices-as-well-as-data.patch queue-4.9/nfsd-fix-nfsd_reset_versions-for-nfsv4.patch queue-4.9/nfsd-fix-nfsd_minorversion-..-nfsd_avail.patch

7 years

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[Linux-stable-mirror] Patch "NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled NFSD: fix nfsd_minorversion(.., NFSD_AVAIL) to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: nfsd-fix-nfsd_minorversion-..-nfsd_avail.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: NeilBrown <neilb(a)suse.com> Date: Fri, 10 Mar 2017 11:36:39 +1100 Subject: NFSD: fix nfsd_minorversion(.., NFSD_AVAIL) From: NeilBrown <neilb(a)suse.com> [ Upstream commit 928c6fb3a9bfd6c5b287aa3465226add551c13c0 ] Current code will return 1 if the version is supported, and -1 if it isn't. This is confusing and inconsistent with the one place where this is used. So change to return 1 if it is supported, and zero if not. i.e. an error is never returned. Signed-off-by: NeilBrown <neilb(a)suse.com> Signed-off-by: J. Bruce Fields <bfields(a)redhat.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/nfsd/nfssvc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -155,7 +155,8 @@ int nfsd_vers(int vers, enum vers_op cha int nfsd_minorversion(u32 minorversion, enum vers_op change) { - if (minorversion > NFSD_SUPPORTED_MINOR_VERSION) + if (minorversion > NFSD_SUPPORTED_MINOR_VERSION && + change != NFSD_AVAIL) return -1; switch(change) { case NFSD_SET: Patches currently in stable-queue which might be from neilb(a)suse.com are queue-4.9/md-cluster-free-md_cluster_info-if-node-leave-cluster.patch queue-4.9/autofs-fix-careless-error-in-recent-commit.patch queue-4.9/raid5-set-r5_expanded-on-parity-devices-as-well-as-data.patch queue-4.9/nfsd-fix-nfsd_reset_versions-for-nfsv4.patch queue-4.9/nfsd-fix-nfsd_minorversion-..-nfsd_avail.patch

7 years

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[Linux-stable-mirror] Patch "netfilter: ipvs: Fix inappropriate output of procfs" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled netfilter: ipvs: Fix inappropriate output of procfs to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: netfilter-ipvs-fix-inappropriate-output-of-procfs.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:35 CET 2017 From: KUWAZAWA Takuya <albatross0(a)gmail.com> Date: Sun, 15 Oct 2017 20:54:10 +0900 Subject: netfilter: ipvs: Fix inappropriate output of procfs From: KUWAZAWA Takuya <albatross0(a)gmail.com> [ Upstream commit c5504f724c86ee925e7ffb80aa342cfd57959b13 ] Information about ipvs in different network namespace can be seen via procfs. How to reproduce: # ip netns add ns01 # ip netns add ns02 # ip netns exec ns01 ip a add dev lo 127.0.0.1/8 # ip netns exec ns02 ip a add dev lo 127.0.0.1/8 # ip netns exec ns01 ipvsadm -A -t 10.1.1.1:80 # ip netns exec ns02 ipvsadm -A -t 10.1.1.2:80 The ipvsadm displays information about its own network namespace only. # ip netns exec ns01 ipvsadm -Ln IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 10.1.1.1:80 wlc # ip netns exec ns02 ipvsadm -Ln IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 10.1.1.2:80 wlc But I can see information about other network namespace via procfs. # ip netns exec ns01 cat /proc/net/ip_vs IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 0A010101:0050 wlc TCP 0A010102:0050 wlc # ip netns exec ns02 cat /proc/net/ip_vs IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 0A010102:0050 wlc Signed-off-by: KUWAZAWA Takuya <albatross0(a)gmail.com> Acked-by: Julian Anastasov <ja(a)ssi.bg> Signed-off-by: Pablo Neira Ayuso <pablo(a)netfilter.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- net/netfilter/ipvs/ip_vs_ctl.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -2040,12 +2040,16 @@ static int ip_vs_info_seq_show(struct se seq_puts(seq, " -> RemoteAddress:Port Forward Weight ActiveConn InActConn\n"); } else { + struct net *net = seq_file_net(seq); + struct netns_ipvs *ipvs = net_ipvs(net); const struct ip_vs_service *svc = v; const struct ip_vs_iter *iter = seq->private; const struct ip_vs_dest *dest; struct ip_vs_scheduler *sched = rcu_dereference(svc->scheduler); char *sched_name = sched ? sched->name : "none"; + if (svc->ipvs != ipvs) + return 0; if (iter->table == ip_vs_svc_table) { #ifdef CONFIG_IP_VS_IPV6 if (svc->af == AF_INET6) Patches currently in stable-queue which might be from albatross0(a)gmail.com are queue-4.9/netfilter-ipvs-fix-inappropriate-output-of-procfs.patch

7 years

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[Linux-stable-mirror] Patch "netfilter: bridge: honor frag_max_size when refragmenting" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled netfilter: bridge: honor frag_max_size when refragmenting to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: netfilter-bridge-honor-frag_max_size-when-refragmenting.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: Florian Westphal <fw(a)strlen.de> Date: Thu, 9 Mar 2017 23:22:30 +0100 Subject: netfilter: bridge: honor frag_max_size when refragmenting From: Florian Westphal <fw(a)strlen.de> [ Upstream commit 4ca60d08cbe65f501baad64af50fceba79c19fbb ] consider a bridge with mtu 9000, but end host sending smaller packets to another host with mtu < 9000. In this case, after reassembly, bridge+defrag would refragment, and then attempt to send the reassembled packet as long as it was below 9k. Instead we have to cap by the largest fragment size seen. Signed-off-by: Florian Westphal <fw(a)strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo(a)netfilter.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- net/bridge/br_netfilter_hooks.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -706,18 +706,20 @@ static unsigned int nf_bridge_mtu_reduct static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff *skb) { - struct nf_bridge_info *nf_bridge; - unsigned int mtu_reserved; + struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb); + unsigned int mtu, mtu_reserved; mtu_reserved = nf_bridge_mtu_reduction(skb); + mtu = skb->dev->mtu; - if (skb_is_gso(skb) || skb->len + mtu_reserved <= skb->dev->mtu) { + if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu) + mtu = nf_bridge->frag_max_size; + + if (skb_is_gso(skb) || skb->len + mtu_reserved <= mtu) { nf_bridge_info_free(skb); return br_dev_queue_push_xmit(net, sk, skb); } - nf_bridge = nf_bridge_info_get(skb); - /* This is wrong! We should preserve the original fragment * boundaries by preserving frag_list rather than refragmenting. */ Patches currently in stable-queue which might be from fw(a)strlen.de are queue-4.9/netfilter-bridge-honor-frag_max_size-when-refragmenting.patch

7 years

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[Linux-stable-mirror] Patch "net: wimax/i2400m: fix NULL-deref at probe" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net: wimax/i2400m: fix NULL-deref at probe to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: net-wimax-i2400m-fix-null-deref-at-probe.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: Johan Hovold <johan(a)kernel.org> Date: Mon, 13 Mar 2017 13:42:03 +0100 Subject: net: wimax/i2400m: fix NULL-deref at probe From: Johan Hovold <johan(a)kernel.org> [ Upstream commit 6e526fdff7be4f13b24f929a04c0e9ae6761291e ] Make sure to check the number of endpoints to avoid dereferencing a NULL-pointer or accessing memory beyond the endpoint array should a malicious device lack the expected endpoints. The endpoints are specifically dereferenced in the i2400m_bootrom_init path during probe (e.g. in i2400mu_tx_bulk_out). Fixes: f398e4240fce ("i2400m/USB: probe/disconnect, dev init/shutdown and reset backends") Cc: Inaky Perez-Gonzalez <inaky(a)linux.intel.com> Signed-off-by: Johan Hovold <johan(a)kernel.org> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/wimax/i2400m/usb.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -467,6 +467,9 @@ int i2400mu_probe(struct usb_interface * struct i2400mu *i2400mu; struct usb_device *usb_dev = interface_to_usbdev(iface); + if (iface->cur_altsetting->desc.bNumEndpoints < 4) + return -ENODEV; + if (usb_dev->speed != USB_SPEED_HIGH) dev_err(dev, "device not connected as high speed\n"); Patches currently in stable-queue which might be from johan(a)kernel.org are queue-4.9/net-wimax-i2400m-fix-null-deref-at-probe.patch

7 years

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[Linux-stable-mirror] Patch "net: Resend IGMP memberships upon peer notification." has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net: Resend IGMP memberships upon peer notification. to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: net-resend-igmp-memberships-upon-peer-notification.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: Vlad Yasevich <vyasevich(a)gmail.com> Date: Tue, 14 Mar 2017 08:58:08 -0400 Subject: net: Resend IGMP memberships upon peer notification. From: Vlad Yasevich <vyasevich(a)gmail.com> [ Upstream commit 37c343b4f4e70e9dc328ab04903c0ec8d154c1a4 ] When we notify peers of potential changes, it's also good to update IGMP memberships. For example, during VM migration, updating IGMP memberships will redirect existing multicast streams to the VM at the new location. Signed-off-by: Vladislav Yasevich <vyasevic(a)redhat.com> Acked-by: Michael S. Tsirkin <mst(a)redhat.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- net/core/dev.c | 1 + 1 file changed, 1 insertion(+) --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1304,6 +1304,7 @@ void netdev_notify_peers(struct net_devi { rtnl_lock(); call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev); + call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev); rtnl_unlock(); } EXPORT_SYMBOL(netdev_notify_peers); Patches currently in stable-queue which might be from vyasevich(a)gmail.com are queue-4.9/net-resend-igmp-memberships-upon-peer-notification.patch

7 years

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[Linux-stable-mirror] Patch "net: mpls: Fix nexthop alive tracking on down events" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net: mpls: Fix nexthop alive tracking on down events to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: net-mpls-fix-nexthop-alive-tracking-on-down-events.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: David Ahern <dsa(a)cumulusnetworks.com> Date: Mon, 13 Mar 2017 16:49:10 -0700 Subject: net: mpls: Fix nexthop alive tracking on down events From: David Ahern <dsa(a)cumulusnetworks.com> [ Upstream commit 61733c91c454a61be0ffc93fe46a5d5f2f048c1c ] Alive tracking of nexthops can account for a link twice if the carrier goes down followed by an admin down of the same link rendering multipath routes useless. This is similar to 79099aab38c8 for UNREGISTER events and DOWN events. Fix by tracking number of alive nexthops in mpls_ifdown similar to the logic in mpls_ifup. Checking the flags per nexthop once after all events have been processed is simpler than trying to maintian a running count through all event combinations. Also, WRITE_ONCE is used instead of ACCESS_ONCE to set rt_nhn_alive per a comment from checkpatch: WARNING: Prefer WRITE_ONCE(<FOO>, <BAR>) over ACCESS_ONCE(<FOO>) = <BAR> Fixes: c89359a42e2a4 ("mpls: support for dead routes") Signed-off-by: David Ahern <dsa(a)cumulusnetworks.com> Acked-by: Robert Shearman <rshearma(a)brocade.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- net/mpls/af_mpls.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -937,6 +937,8 @@ static void mpls_ifdown(struct net_devic { struct mpls_route __rcu **platform_label; struct net *net = dev_net(dev); + unsigned int nh_flags = RTNH_F_DEAD | RTNH_F_LINKDOWN; + unsigned int alive; unsigned index; platform_label = rtnl_dereference(net->mpls.platform_label); @@ -946,9 +948,11 @@ static void mpls_ifdown(struct net_devic if (!rt) continue; + alive = 0; change_nexthops(rt) { if (rtnl_dereference(nh->nh_dev) != dev) - continue; + goto next; + switch (event) { case NETDEV_DOWN: case NETDEV_UNREGISTER: @@ -956,13 +960,16 @@ static void mpls_ifdown(struct net_devic /* fall through */ case NETDEV_CHANGE: nh->nh_flags |= RTNH_F_LINKDOWN; - if (event != NETDEV_UNREGISTER) - ACCESS_ONCE(rt->rt_nhn_alive) = rt->rt_nhn_alive - 1; break; } if (event == NETDEV_UNREGISTER) RCU_INIT_POINTER(nh->nh_dev, NULL); +next: + if (!(nh->nh_flags & nh_flags)) + alive++; } endfor_nexthops(rt); + + WRITE_ONCE(rt->rt_nhn_alive, alive); } } Patches currently in stable-queue which might be from dsa(a)cumulusnetworks.com are queue-4.9/net-mpls-fix-nexthop-alive-tracking-on-down-events.patch

7 years

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[Linux-stable-mirror] Patch "net/mlx5: Fix create autogroup prev initializer" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net/mlx5: Fix create autogroup prev initializer to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: net-mlx5-fix-create-autogroup-prev-initializer.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: Paul Blakey <paulb(a)mellanox.com> Date: Fri, 10 Mar 2017 14:33:01 +0200 Subject: net/mlx5: Fix create autogroup prev initializer From: Paul Blakey <paulb(a)mellanox.com> [ Upstream commit af36370569eb37420e1e78a2e60c277b781fcd00 ] The autogroups list is a list of non overlapping group boundaries sorted by their start index. If the autogroups list wasn't empty and an empty group slot was found at the start of the list, the new group was added to the end of the list instead of the beginning, as the prev initializer was incorrect. When this was repeated, it caused multiple groups to have overlapping boundaries. Fixed that by correctly initializing the prev pointer to the start of the list. Fixes: eccec8da3b4e ('net/mlx5: Keep autogroups list ordered') Signed-off-by: Paul Blakey <paulb(a)mellanox.com> Reviewed-by: Mark Bloch <markb(a)mellanox.com> Signed-off-by: Saeed Mahameed <saeedm(a)mellanox.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1015,7 +1015,7 @@ static struct mlx5_flow_group *create_au u32 *match_criteria) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); - struct list_head *prev = ft->node.children.prev; + struct list_head *prev = &ft->node.children; unsigned int candidate_index = 0; struct mlx5_flow_group *fg; void *match_criteria_addr; Patches currently in stable-queue which might be from paulb(a)mellanox.com are queue-4.9/net-mlx5-fix-create-autogroup-prev-initializer.patch

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[Linux-stable-mirror] Patch "net/mlx5: Don't save PCI state when PCI error is detected" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled net/mlx5: Don't save PCI state when PCI error is detected to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: net-mlx5-don-t-save-pci-state-when-pci-error-is-detected.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Mon Dec 18 14:12:34 CET 2017 From: Daniel Jurgens <danielj(a)mellanox.com> Date: Fri, 10 Mar 2017 14:33:02 +0200 Subject: net/mlx5: Don't save PCI state when PCI error is detected From: Daniel Jurgens <danielj(a)mellanox.com> [ Upstream commit 5d47f6c89d568ab61712d8c40676fbb020b68752 ] When a PCI error is detected the PCI state could be corrupt, don't save it in that flow. Save the state after initialization. After restoring the PCI state during slot reset save it again, restoring the state destroys the previously saved state info. Fixes: 05ac2c0b7438 ('net/mlx5: Fix race between PCI error handlers and health work') Signed-off-by: Daniel Jurgens <danielj(a)mellanox.com> Signed-off-by: Saeed Mahameed <saeedm(a)mellanox.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1283,6 +1283,7 @@ static int init_one(struct pci_dev *pdev if (err) goto clean_load; + pci_save_state(pdev); return 0; clean_load: @@ -1331,9 +1332,8 @@ static pci_ers_result_t mlx5_pci_err_det mlx5_enter_error_state(dev); mlx5_unload_one(dev, priv, false); - /* In case of kernel call save the pci state and drain the health wq */ + /* In case of kernel call drain the health wq */ if (state) { - pci_save_state(pdev); mlx5_drain_health_wq(dev); mlx5_pci_disable_device(dev); } @@ -1385,6 +1385,7 @@ static pci_ers_result_t mlx5_pci_slot_re pci_set_master(pdev); pci_restore_state(pdev); + pci_save_state(pdev); if (wait_vital(pdev)) { dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__); Patches currently in stable-queue which might be from danielj(a)mellanox.com are queue-4.9/ib-core-fix-calculation-of-maximum-roce-mtu.patch queue-4.9/net-mlx5-don-t-save-pci-state-when-pci-error-is-detected.patch

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Linux-stable-mirror December 2017