- Jan 25, 2017
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Eric Dumazet authored
This function suffers from multiple issues. First one is that pskb_may_pull() may reallocate skb->head, so the 'raw' pointer needs either to be reloaded or not used at all. Second issue is that NEXTHDR_DEST handling does not validate that the options are present in skb->data, so we might read garbage or access non existent memory. With help from Willem de Bruijn. Signed-off-by:
Eric Dumazet <edumazet@google.com> Reported-by:
Dmitry Vyukov <dvyukov@google.com> Cc: Willem de Bruijn <willemb@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
Since ip6_tnl_parse_tlv_enc_lim() can call pskb_may_pull(), we must reload any pointer that was related to skb->head (or skb->data), or risk use after free. Fixes: c12b395a ("gre: Support GRE over IPv6") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Dmitry Kozlov <xeb@mail.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael S. Tsirkin authored
I don't have any guests with PAGE_SIZE > 64k but the code seems to be clearly broken in that case as PAGE_SIZE / MERGEABLE_BUFFER_ALIGN will need more than 8 bit and so the code in mergeable_ctx_to_buf_address does not give us the actual true size. Cc: John Fastabend <john.fastabend@gmail.com> Signed-off-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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WANG Cong authored
Dmitry reported a deadlock scenario: unix_bind() path: u->bindlock ==> sb_writer do_splice() path: sb_writer ==> pipe->mutex ==> u->bindlock In the unix_bind() code path, unix_mknod() does not have to be done with u->bindlock held, since it is a pure fs operation, so we can just move unix_mknod() out. Reported-by:
Dmitry Vyukov <dvyukov@google.com> Tested-by:
Dmitry Vyukov <dvyukov@google.com> Cc: Rainer Weikusat <rweikusat@mobileactivedefense.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
mlxsw_sp_nexthop_group_mac_update() is called in one of two cases: 1) When the MAC of a nexthop needs to be updated 2) When the size of a nexthop group has changed In the second case the adjacency entries for the nexthop group need to be reallocated from the adjacency table. In this case we must write to the entries the MAC addresses of all the nexthops that should be offloaded and not only those whose MAC changed. Otherwise, these entries would be filled with garbage data, resulting in packet loss. Fixes: a7ff87ac ("mlxsw: spectrum_router: Implement next-hop routing") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Signed-off-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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hayeswang authored
Runtime suspend shouldn't be executed if the tx queue is not empty, because the device is not idle. Signed-off-by:
Hayes Wang <hayeswang@realtek.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Martin Blumenstingl authored
The old description basically read like "ethernet-phy-idAAAA.BBBB" can be specified when you know the actual PHY ID. However, specifying this has a side-effect: it forces Linux to bind to a certain PHY driver (the one that matches the ID given in the compatible string), ignoring the ID which is reported by the actual PHY. Whenever a device is shipped with (multiple) different PHYs during it's production lifetime then explicitly specifying "ethernet-phy-idAAAA.BBBB" could break certain revisions of that device. Signed-off-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Acked-by:
Rob Herring <robh@kernel.org> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jingju Hou authored
Signed-off-by:
Jingju Hou <houjingj@marvell.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jan 24, 2017
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David S. Miller authored
Merge tag 'mac80211-for-davem-2017-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== A single fix, for a sleeping context problem found by LTP. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Johannes Berg authored
In my previous patch, I missed that rate_control_rate_init() is called from some places that cannot sleep, so it cannot call ieee80211_recalc_min_chandef(). Remove that call for now to fix the context bug, we'll have to find a different way to fix the minimum channel width issue. Fixes: 96aa2e7c ("mac80211: calculate min channel width correctly") Reported-by:
Xiaolong Ye (via lkp-robot) <xiaolong.ye@intel.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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Florian Fainelli authored
We need to check the return value of phy_connect_direct() in dsa_slave_phy_connect() otherwise we may be continuing the initialization of a slave network device with a PHY that already attached somewhere else and which will soon be in error because the PHY device is in error. The conditions for such an error to occur are that we have a port of our switch that is not disabled, and has the same port number as a PHY address (say both 5) that can be probed using the DSA slave MII bus. We end-up having this slave network device find a PHY at the same address as our port number, and we try to attach to it. A slave network (e.g: port 0) has already attached to our PHY device, and we try to re-attach it with a different network device, but since we ignore the error we would end-up initializating incorrect device references by the time the slave network interface is opened. The code has been (re)organized several times, making it hard to provide an exact Fixes tag, this is a bugfix nonetheless. Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
phy_error() is called in the PHY state machine workqueue context, and calls phy_trigger_machine() which does a cancel_delayed_work_sync() of the workqueue we execute from, causing a deadlock situation. Augment phy_trigger_machine() machine with a sync boolean indicating whether we should use cancel_*_sync() or just cancel_*_work(). Fixes: 3c293f4e ("net: phy: Trigger state machine on state change and not polling.") Reported-by:
Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Ahern authored
MPLS multipath for LSR is broken -- always selecting the first nexthop in the one label case. For example: $ ip -f mpls ro ls 100 nexthop as to 200 via inet 172.16.2.2 dev virt12 nexthop as to 300 via inet 172.16.3.2 dev virt13 101 nexthop as to 201 via inet6 2000:2::2 dev virt12 nexthop as to 301 via inet6 2000:3::2 dev virt13 In this example incoming packets have a single MPLS labels which means BOS bit is set. The BOS bit is passed from mpls_forward down to mpls_multipath_hash which never processes the hash loop because BOS is 1. Update mpls_multipath_hash to process the entire label stack. mpls_hdr_len tracks the total mpls header length on each pass (on pass N mpls_hdr_len is N * sizeof(mpls_shim_hdr)). When the label is found with the BOS set it verifies the skb has sufficient header for ipv4 or ipv6, and find the IPv4 and IPv6 header by using the last mpls_hdr pointer and adding 1 to advance past it. With these changes I have verified the code correctly sees the label, BOS, IPv4 and IPv6 addresses in the network header and icmp/tcp/udp traffic for ipv4 and ipv6 are distributed across the nexthops. Fixes: 1c78efa8 ("mpls: flow-based multipath selection") Acked-by:
Robert Shearman <rshearma@brocade.com> Signed-off-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jan 23, 2017
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David S. Miller authored
Tom Lendacky says: ==================== amd-xgbe: AMD XGBE driver fixes 2017-01-20 This patch series addresses some issues in the AMD XGBE driver. The following fixes are included in this driver update series: - Add a fix for a version of the hardware that uses different register offset values for a device with the same PCI device ID - Add support to check the return code from the xgbe_init() function This patch series is based on net. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Lendacky, Thomas authored
The xgbe_init() routine returns a return code indicating success or failure, but the return code is not checked. Add code to xgbe_init() to issue a message when failures are seen and add code to check the xgbe_init() return code. Signed-off-by:
Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Lendacky, Thomas authored
A newer version of the hardware is using the same PCI ids for the network device but has altered register definitions for determining the window settings for the indirect PCS access. Add support to check for this hardware and if found use the new register values. Signed-off-by:
Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jan 21, 2017
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Ivan Vecera authored
Any bridge options specified during link creation (e.g. ip link add) are ignored as br_dev_newlink() does not process them. Use br_changelink() to do it. Fixes: 13323516 ("bridge: implement rtnl_link_ops->changelink") Signed-off-by:
Ivan Vecera <cera@cera.cz> Reviewed-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vineeth Remanan Pillai authored
During an OOM scenario, request slots could not be created as skb allocation fails. So the netback cannot pass in packets and netfront wrongly assumes that there is no more work to be done and it disables polling. This causes Rx to stall. The issue is with the retry logic which schedules the timer if the created slots are less than NET_RX_SLOTS_MIN. The count of new request slots to be pushed are calculated as a difference between new req_prod and rsp_cons which could be more than the actual slots, if there are unconsumed responses. The fix is to calculate the count of newly created slots as the difference between new req_prod and old req_prod. Signed-off-by:
Vineeth Remanan Pillai <vineethp@amazon.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
A driver using dev_alloc_page() must not reuse a page allocated from emergency memory reserve. Otherwise all packets using this page will be immediately dropped, unless for very specific sockets having SOCK_MEMALLOC bit set. This issue might be hard to debug, because only a fraction of received packets would be dropped. Fixes: 4415a031 ("net/mlx5e: Implement RX mapped page cache for page recycle") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Tariq Toukan <tariqt@mellanox.com> Cc: Saeed Mahameed <saeedm@mellanox.com> Acked-by:
Saeed Mahameed <saeedm@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jesper Dangaard Brouer authored
Fix build errors for samples/bpf xdp_tx_iptunnel and tc_l2_redirect, when dynamic debugging is enabled (CONFIG_DYNAMIC_DEBUG) by defining a fake KBUILD_MODNAME. Just like Daniel Borkmann fixed other samples/bpf in commit 96a8eb1e ("bpf: fix samples to add fake KBUILD_MODNAME"). Fixes: 12d8bb64 ("bpf: xdp: Add XDP example for head adjustment") Fixes: 90e02896 ("bpf: Add test for bpf_redirect to ipip/ip6tnl") Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
gcc-7 and probably earlier versions get confused by this function and print a harmless warning: drivers/net/ethernet/broadcom/bcm63xx_enet.c: In function 'bcm_enet_open': drivers/net/ethernet/broadcom/bcm63xx_enet.c:1130:3: error: 'phydev' may be used uninitialized in this function [-Werror=maybe-uninitialized] This adds an initialization for the 'phydev' variable when it is unused and changes the check to test for that NULL pointer to make it clear that we always pass a valid pointer here. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
struct qed_ll2_info is rather large, so putting it on the stack can cause an overflow, as this warning tries to tell us: drivers/net/ethernet/qlogic/qed/qed_ll2.c: In function 'qed_ll2_start': drivers/net/ethernet/qlogic/qed/qed_ll2.c:2159:1: error: the frame size of 1056 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] qed_ll2_start_ooo() already uses a dynamic allocation for the structure to work around that problem, and we could do the same in qed_ll2_start() as well as qed_roce_ll2_start(), but since the structure is only used to pass a couple of initialization values here, it seems nicer to replace it with a different structure. Lacking any idea for better naming, I'm adding 'struct qed_ll2_conn', which now contains all the initialization data, and this now simply gets copied into struct qed_ll2_info rather than assigning all members one by one. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
This reverts commit 0e73fc9a . This fix wasn't correct, a better one is coming right up. Signed-off-by:
David S. Miller <davem@davemloft.net>
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Colin Ian King authored
The comparison on the timeout can lead to an array overrun read on sctp_timer_tbl because of an off-by-one error. Fix this by using < instead of <= and also compare to the array size rather than SCTP_EVENT_TIMEOUT_MAX. Fixes CoverityScan CID#1397639 ("Out-of-bounds read") Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
seg6_genl_get_tunsrc() and set_tun_src() do not handle tun_src being possibly NULL, so we must check kmemdup() return value and abort if it is NULL Fixes: 915d7e5e ("ipv6: sr: add code base for control plane support of SR-IPv6") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: David Lebrun <david.lebrun@uclouvain.be> Acked-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
David S. Miller <davem@davemloft.net>
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hayeswang authored
The rtl8152_post_reset() should sumbit rx urb and interrupt transfer, otherwise the rx wouldn't work and the linking change couldn't be detected. Signed-off-by:
Hayes Wang <hayeswang@realtek.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jason Wang authored
Commit 501db511 ("virtio: don't set VIRTIO_NET_HDR_F_DATA_VALID on xmit") in fact disables VIRTIO_HDR_F_DATA_VALID on receiving path too, fixing this by adding a hint (has_data_valid) and set it only on the receiving path. Cc: Rolf Neugebauer <rolf.neugebauer@docker.com> Signed-off-by:
Jason Wang <jasowang@redhat.com> Acked-by:
Rolf Neugebauer <rolf.neugebauer@docker.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jan 20, 2017
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Eric Dumazet authored
A driver using dev_alloc_page() must not reuse a page that had to use emergency memory reserve. Otherwise all packets using this page will be immediately dropped, unless for very specific sockets having SOCK_MEMALLOC bit set. This issue might be hard to debug, because only a fraction of the RX ring buffer would suffer from drops. Fixes: 75354148 ("gianfar: Add paged allocation and Rx S/G") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Claudiu Manoil <claudiu.manoil@freescale.com> Acked-by:
Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Alexey Kodanev authored
Found that if we run LTP netstress test with large MSS (65K), the first attempt from server to send data comparable to this MSS on fastopen connection will be delayed by the probe timer. Here is an example: < S seq 0:0 win 43690 options [mss 65495 wscale 7 tfo cookie] length 32 > S. seq 0:0 ack 1 win 43690 options [mss 65495 wscale 7] length 0 < . ack 1 win 342 length 0 Inside tcp_sendmsg(), tcp_send_mss() returns max MSS in 'mss_now', as well as in 'size_goal'. This results the segment not queued for transmition until all the data copied from user buffer. Then, inside __tcp_push_pending_frames(), it breaks on send window test and continues with the check probe timer. Fragmentation occurs in tcp_write_wakeup()... +0.2 > P. seq 1:43777 ack 1 win 342 length 43776 < . ack 43777, win 1365 length 0 > P. seq 43777:65001 ack 1 win 342 options [...] length 21224 ... This also contradicts with the fact that we should bound to the half of the window if it is large. Fix this flaw by correctly initializing max_window. Before that, it could have large values that affect further calculations of 'size_goal'. Fixes: 168a8f58 ("tcp: TCP Fast Open Server - main code path") Signed-off-by:
Alexey Kodanev <alexey.kodanev@oracle.com> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
A cleanup removed the only user of this variable mlx5/core/en_ethtool.c: In function 'mlx5e_set_channels': mlx5/core/en_ethtool.c:546:6: error: unused variable 'ncv' [-Werror=unused-variable] Let's remove the declaration as well. Fixes: 639e9e94 ("net/mlx5e: Remove unnecessary checks when setting num channels") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by:
Tariq Toukan <tariqt@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Kefeng Wang authored
Just like commit 4acd4945 ("ipv6: addrconf: Avoid calling netdevice notifiers with RCU read-side lock"), it is unnecessary to make addrconf_disable_change() use RCU iteration over the netdev list, since it already holds the RTNL lock, or we may meet Illegal context switch in RCU read-side critical section. Signed-off-by:
Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Jan 19, 2017
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Hariprasad Shenai authored
Ganesg will be taking over as maintainer from now Signed-off-by:
Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daniel Borkmann authored
This patch adds two helpers, bpf_map_area_alloc() and bpf_map_area_free(), that are to be used for map allocations. Using kmalloc() for very large allocations can cause excessive work within the page allocator, so i) fall back earlier to vmalloc() when the attempt is considered costly anyway, and even more importantly ii) don't trigger OOM killer with any of the allocators. Since this is based on a user space request, for example, when creating maps with element pre-allocation, we really want such requests to fail instead of killing other user space processes. Also, don't spam the kernel log with warnings should any of the allocations fail under pressure. Given that, we can make backend selection in bpf_map_area_alloc() generic, and convert all maps over to use this API for spots with potentially large allocation requests. Note, replacing the one kmalloc_array() is fine as overflow checks happen earlier in htab_map_alloc(), since it must also protect the multiplication for vmalloc() should kmalloc_array() fail. Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Acked-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Ahern authored
Trying to add an mpls encap route when the MPLS modules are not loaded hangs. For example: CONFIG_MPLS=y CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m $ ip route add 10.10.10.10/32 encap mpls 100 via inet 10.100.1.2 The ip command hangs: root 880 826 0 21:25 pts/0 00:00:00 ip route add 10.10.10.10/32 encap mpls 100 via inet 10.100.1.2 $ cat /proc/880/stack [<ffffffff81065a9b>] call_usermodehelper_exec+0xd6/0x134 [<ffffffff81065efc>] __request_module+0x27b/0x30a [<ffffffff814542f6>] lwtunnel_build_state+0xe4/0x178 [<ffffffff814aa1e4>] fib_create_info+0x47f/0xdd4 [<ffffffff814ae451>] fib_table_insert+0x90/0x41f [<ffffffff814a8010>] inet_rtm_newroute+0x4b/0x52 ... modprobe is trying to load rtnl-lwt-MPLS: root 881 5 0 21:25 ? 00:00:00 /sbin/modprobe -q -- rtnl-lwt-MPLS and it hangs after loading mpls_router: $ cat /proc/881/stack [<ffffffff81441537>] rtnl_lock+0x12/0x14 [<ffffffff8142ca2a>] register_netdevice_notifier+0x16/0x179 [<ffffffffa0033025>] mpls_init+0x25/0x1000 [mpls_router] [<ffffffff81000471>] do_one_initcall+0x8e/0x13f [<ffffffff81119961>] do_init_module+0x5a/0x1e5 [<ffffffff810bd070>] load_module+0x13bd/0x17d6 ... The problem is that lwtunnel_build_state is called with rtnl lock held preventing mpls_init from registering. Given the potential references held by the time lwtunnel_build_state it can not drop the rtnl lock to the load module. So, extract the module loading code from lwtunnel_build_state into a new function to validate the encap type. The new function is called while converting the user request into a fib_config which is well before any table, device or fib entries are examined. Fixes: 745041e2 ("lwtunnel: autoload of lwt modules") Signed-off-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
In the TPA GRO code path, initialize the tcp_opt_len variable to 0 so that it will be correct for packets without TCP timestamps. The bug caused the SKB fields to be incorrectly set up for packets without TCP timestamps, leading to these packets being rejected by the stack. Reported-by:
Andy Gospodarek <andrew.gospodarek@broadocm.com> Acked-by:
Andy Gospodarek <andrew.gospodarek@broadocm.com> Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daniel Gonzalez Cabanelas authored
Commit a1cba561 ("net: phy: Add Broadcom phy library for common interfaces") make the BCM63xx PHY driver utilize bcm_phy_config_intr() which would appear to do the right thing, except that it does not write to the MII_BCM63XX_IR register but to MII_BCM54XX_ECR which is different. This would be causing invalid link parameters and events from being generated by the PHY interrupt. Fixes: a1cba561 ("net: phy: Add Broadcom phy library for common interfaces") Signed-off-by:
Daniel Gonzalez Cabanelas <dgcbueu@gmail.com> Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
Ashizuka reported a highmem oddity and sent a patch for freescale fec driver. But the problem root cause is that core networking stack must ensure no skb with highmem fragment is ever sent through a device that does not assert NETIF_F_HIGHDMA in its features. We need to call illegal_highdma() from harmonize_features() regardless of CSUM checks. Fixes: ec5f0615 ("net: Kill link between CSUM and SG features.") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Pravin Shelar <pshelar@ovn.org> Reported-by:
"Ashizuka, Yuusuke" <ashiduka@jp.fujitsu.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Igor Druzhinin says: ==================== xen-netback: fix memory leaks on XenBus disconnect Just split the initial patch in two as proposed by Wei. Since the approach for locking netdev statistics is inconsistent (tends not to have any locking at all) accross the kernel we'd better to rely on our internal lock for this purpose. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Igor Druzhinin authored
vif->lock is used to protect statistics gathering agents from using the queue structure during cleaning. Signed-off-by:
Igor Druzhinin <igor.druzhinin@citrix.com> Acked-by:
Wei Liu <wei.liu2@citrix.com> Reviewed-by:
Paul Durrant <paul.durrant@citrix.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Igor Druzhinin authored
Eliminate memory leaks introduced several years ago by cleaning the queue resources which are allocated on XenBus connection event. Namely, queue structure array and pages used for IO rings. Signed-off-by:
Igor Druzhinin <igor.druzhinin@citrix.com> Reviewed-by:
Paul Durrant <paul.durrant@citrix.com> Acked-by:
Wei Liu <wei.liu2@citrix.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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