- Apr 12, 2019
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Nikolay Aleksandrov authored
br_multicast_start_querier() walks over the port list but it can be called from a timer with only multicast_lock held which doesn't protect the port list, so use RCU to walk over it. Fixes: c83b8fab ("bridge: Restart queries when last querier expires") Signed-off-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Matteo Croce says: ==================== Fix thunderx MTU with XDP The thunderx driver can't use XDP with all MTU values. This patches sets the right MTU values, and add a check to avoid setting a wrong value which will not function. v3: Fix a copy-paste from two functions, tested on proper hardware: 2: enP2p1s0v0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000 link/ether 1c:1b:0d:0d:52:a4 brd ff:ff:ff:ff:ff:ff [ 787.019730] nicvf 0002:01:00.1 enP2p1s0v0: Jumbo frames not yet supported with XDP, current MTU 1800. RTNETLINK answers: Operation not supported [ 800.574568] nicvf 0002:01:00.1 enP2p1s0v0: Link is Up 10000 Mbps Full duplex [ 807.248321] nicvf 0002:01:00.1 enP2p1s0v0: Jumbo frames not yet supported with XDP, current MTU 1500. RTNETLINK answers: Invalid argument ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Matteo Croce authored
The thunderx driver forbids to load an eBPF program if the MTU is too high, but this can be circumvented by loading the eBPF, then raising the MTU. Fix this by limiting the MTU if an eBPF program is already loaded. Fixes: 05c773f5 ("net: thunderx: Add basic XDP support") Signed-off-by:
Matteo Croce <mcroce@redhat.com> Acked-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Matteo Croce authored
The thunderx driver splits frames bigger than 1530 bytes to multiple pages, making impossible to run an eBPF program on it. This leads to a maximum MTU of 1508 if QinQ is in use. The thunderx driver forbids to load an eBPF program if the MTU is higher than 1500 bytes. Raise the limit to 1508 so it is possible to use L2 protocols which need some more headroom. Fixes: 05c773f5 ("net: thunderx: Add basic XDP support") Signed-off-by:
Matteo Croce <mcroce@redhat.com> Acked-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Ursula Braun says: ==================== net/smc: fixes 2019-04-11 here are some fixes in different areas of the smc code for the net tree. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ursula Braun authored
Commit <26d92e95 > ("net/smc: move unhash as early as possible in smc_release()") fixes one occurrence in the smc code, but the same pattern exists in other places. This patch covers the remaining occurrences and makes sure, the unhash operation is done before the smc->clcsock is released. This avoids a potential use-after-free in smc_diag_dump(). Reviewed-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Karsten Graul authored
The FLUSH command is used to empty the pnet table. No return code is expected from the command. Commit a9d8b0b1e3d6 added namespace support for the pnet table and changed the FLUSH command processing to call smc_pnet_remove_by_pnetid() to remove the pnet entries. This function returns -ENOENT when no entry was deleted, which is now the return code of the FLUSH command. As a result the FLUSH command will return an error when the pnet table is already empty. Restore the expected behavior and let FLUSH always return 0. Fixes: a9d8b0b1e3d6 ("net/smc: add pnet table namespace support") Signed-off-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ursula Braun authored
fcntl(fd, F_SETOWN, getpid()) selects the recipient of SIGURG signals that are delivered when out-of-band data arrives on socket fd. If an SMC socket program makes use of such an fcntl() call, it fails in case of fallback to TCP-mode. In case of fallback the traffic is processed with the internal TCP socket. Propagating field "file" from the SMC socket to the internal TCP socket fixes the issue. Reviewed-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Kangjie Lu authored
In case alloc_ordered_workqueue fails, the fix returns NULL to avoid NULL pointer dereference. Signed-off-by:
Kangjie Lu <kjlu@umn.edu> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Karsten Graul authored
When the clcsock is already released using sock_release() and a pending smc_listen_work accesses the clcsock than that will fail. Solve this by canceling and waiting for the work to complete first. Because the work holds the sock_lock it must make sure that the lock is not hold before the new helper smc_clcsock_release() is invoked. And before the smc_listen_work starts working check if the parent listen socket is still valid, otherwise stop the work early. Signed-off-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Apr 11, 2019
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Lorenzo Bianconi authored
gue tunnels run iptunnel_pull_offloads on received skbs. This can determine a possible use-after-free accessing guehdr pointer since the packet will be 'uncloned' running pskb_expand_head if it is a cloned gso skb (e.g if the packet has been sent though a veth device) Fixes: a09a4c8d ("tunnels: Remove encapsulation offloads on decap") Signed-off-by:
Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Hoang Le authored
When binding multiple services with specific type 1Ki, 2Ki.., this leads to some entries in the name table of publications missing when listed out via 'tipc name show'. The problem is at identify zero last_type conditional provided via netlink. The first is initial 'type' when starting name table dummping. The second is continuously with zero type (node state service type). Then, lookup function failure to finding node state service type in next iteration. To solve this, adding more conditional to marked as dirty type and lookup correct service type for the next iteration instead of select the first service as initial 'type' zero. Acked-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
Hoang Le <hoang.h.le@dektech.com.au> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jason Wang authored
We used to accept zero size iova range which will lead a infinite loop in translate_desc(). Fixing this by failing the request in this case. Reported-by:
<syzbot+d21e6e297322a900c128@syzkaller.appspotmail.com> Fixes: 6b1e6cc7 ("vhost: new device IOTLB API") Signed-off-by:
Jason Wang <jasowang@redhat.com> Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Unlike '&&' operator, the '&' does not have short-circuit evaluation semantics. IOW both sides of the operator always get evaluated. Fix the wrong operator in tls_is_sk_tx_device_offloaded(), which would lead to out-of-bounds access for for non-full sockets. Fixes: 4799ac81 ("tls: Add rx inline crypto offload") Signed-off-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by:
Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by:
Simon Horman <simon.horman@netronome.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Si-Wei Liu authored
When a netdev appears through hot plug then gets enslaved by a failover master that is already up and running, the slave will be opened right away after getting enslaved. Today there's a race that userspace (udev) may fail to rename the slave if the kernel (net_failover) opens the slave earlier than when the userspace rename happens. Unlike bond or team, the primary slave of failover can't be renamed by userspace ahead of time, since the kernel initiated auto-enslavement is unable to, or rather, is never meant to be synchronized with the rename request from userspace. As the failover slave interfaces are not designed to be operated directly by userspace apps: IP configuration, filter rules with regard to network traffic passing and etc., should all be done on master interface. In general, userspace apps only care about the name of master interface, while slave names are less important as long as admin users can see reliable names that may carry other information describing the netdev. For e.g., they can infer that "ens3nsby" is a standby slave of "ens3", while for a name like "eth0" they can't tell which master it belongs to. Historically the name of IFF_UP interface can't be changed because there might be admin script or management software that is already relying on such behavior and assumes that the slave name can't be changed once UP. But failover is special: with the in-kernel auto-enslavement mechanism, the userspace expectation for device enumeration and bring-up order is already broken. Previously initramfs and various userspace config tools were modified to bypass failover slaves because of auto-enslavement and duplicate MAC address. Similarly, in case that users care about seeing reliable slave name, the new type of failover slaves needs to be taken care of specifically in userspace anyway. It's less risky to lift up the rename restriction on failover slave which is already UP. Although it's possible this change may potentially break userspace component (most likely configuration scripts or management software) that assumes slave name can't be changed while UP, it's relatively a limited and controllable set among all userspace components, which can be fixed specifically to listen for the rename events on failover slaves. Userspace component interacting with slaves is expected to be changed to operate on failover master interface instead, as the failover slave is dynamic in nature which may come and go at any point. The goal is to make the role of failover slaves less relevant, and userspace components should only deal with failover master in the long run. Fixes: 30c8bd5a ("net: Introduce generic failover module") Signed-off-by:
Si-Wei Liu <si-wei.liu@oracle.com> Reviewed-by:
Liran Alon <liran.alon@oracle.com> Acked-by:
Sridhar Samudrala <sridhar.samudrala@intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Hangbin Liu authored
After adding a team interface to bridge, the team interface will enter promisc mode. Then if we add a new slave to team0, the slave will keep promisc off. Fix it by setting slave to promisc on if team master is already in promisc mode, also do the same for allmulti. v2: add promisc and allmulti checking when delete ports Fixes: 3d249d4c ("net: introduce ethernet teaming device") Signed-off-by:
Hangbin Liu <liuhangbin@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
buildbot noticed that TLS_HW is not defined if CONFIG_TLS_DEVICE=n. Wrap the cleanup branch into an ifdef, tls_device_free_resources_tx() wouldn't be compiled either in this case. Fixes: 35b71a34 ("net/tls: don't leak partially sent record in device mode") Signed-off-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Jakub Kicinski says: ==================== net: tls: fix memory leaks and freeing skbs This series fixes two memory issues and a stack overflow. First two patches are fairly simple leaks. Third patch partially reverts an optimization made to the strparser which causes creation of skb->frag_list->skb->frag_list... chains of 100s of skbs, leading to recursive kfree_skb() filling up the kernel stack. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
This reverts the first part of commit 4e485d06 ("strparser: Call skb_unclone conditionally"). To build a message with multiple fragments we need our own root of frag_list. We can't simply use the frag_list of orig_skb, because it will lead to linking all orig_skbs together creating very long frag chains, and causing stack overflow on kfree_skb() (which is called recursively on the frag_lists). BUG: stack guard page was hit at 00000000d40fad41 (stack is 0000000029dde9f4..000000008cce03d5) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP RIP: 0010:free_one_page+0x2b/0x490 Call Trace: __free_pages_ok+0x143/0x2c0 skb_release_data+0x8e/0x140 ? skb_release_data+0xad/0x140 kfree_skb+0x32/0xb0 [...] skb_release_data+0xad/0x140 ? skb_release_data+0xad/0x140 kfree_skb+0x32/0xb0 skb_release_data+0xad/0x140 ? skb_release_data+0xad/0x140 kfree_skb+0x32/0xb0 skb_release_data+0xad/0x140 ? skb_release_data+0xad/0x140 kfree_skb+0x32/0xb0 skb_release_data+0xad/0x140 ? skb_release_data+0xad/0x140 kfree_skb+0x32/0xb0 skb_release_data+0xad/0x140 __kfree_skb+0xe/0x20 tcp_disconnect+0xd6/0x4d0 tcp_close+0xf4/0x430 ? tcp_check_oom+0xf0/0xf0 tls_sk_proto_close+0xe4/0x1e0 [tls] inet_release+0x36/0x60 __sock_release+0x37/0xa0 sock_close+0x11/0x20 __fput+0xa2/0x1d0 task_work_run+0x89/0xb0 exit_to_usermode_loop+0x9a/0xa0 do_syscall_64+0xc0/0xf0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Let's leave the second unclone conditional, as I'm not entirely sure what is its purpose :) Fixes: 4e485d06 ("strparser: Call skb_unclone conditionally") Signed-off-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by:
Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
David reports that tls triggers warnings related to sk->sk_forward_alloc not being zero at destruction time: WARNING: CPU: 5 PID: 6831 at net/core/stream.c:206 sk_stream_kill_queues+0x103/0x110 WARNING: CPU: 5 PID: 6831 at net/ipv4/af_inet.c:160 inet_sock_destruct+0x15b/0x170 When sender fills up the write buffer and dies from SIGPIPE. This is due to the device implementation not cleaning up the partially_sent_record. This is because commit a42055e8 ("net/tls: Add support for async encryption of records for performance") moved the partial record cleanup to the SW-only path. Fixes: a42055e8 ("net/tls: Add support for async encryption of records for performance") Reported-by:
David Beckett <david.beckett@netronome.com> Signed-off-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by:
Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by:
Simon Horman <simon.horman@netronome.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Commit f66de3ee ("net/tls: Split conf to rx + tx") made freeing of IV and record sequence number conditional to SW path only, but commit e8f69799 ("net/tls: Add generic NIC offload infrastructure") also allocates that state for the device offload configuration. Remember to free it. Fixes: e8f69799 ("net/tls: Add generic NIC offload infrastructure") Signed-off-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by:
Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by:
Simon Horman <simon.horman@netronome.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Thomas Falcon says: ==================== ibmvnic: Fix netdev features settings on reset In its current state, a driver reset clobbers any feature settings a user may have toggled and will disable GRO as it is not explicitly enabled in the driver. This patch set enables GRO and tries to retain user settings after a reset. If the underlying carrier changes, however, the driver will disable features unsupported by the new carrier. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Thomas Falcon authored
While determining offload capabilities of backing hardware during a device reset, the driver is clobbering current feature settings. Update hw_features on reset instead of features unless a feature is enabled that is no longer supported on the current backing device. Also enable features that were not supported prior to the reset but were previously enabled or requested by the user. This can occur if the reset is the result of a carrier change, such as a device failover or partition migration. Signed-off-by:
Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Thomas Falcon authored
Enable Generic Receive Offload in the ibmvnic driver. Signed-off-by:
Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Ido Schimmel says: ==================== mlxsw: Various fixes This patchset contains various small fixes for mlxsw. Patch #1 fixes a warning generated by switchdev core when the driver fails to insert an MDB entry in the commit phase. Patches #2-#4 fix a warning in check_flush_dependency() that can be triggered when a work item in a WQ_MEM_RECLAIM workqueue tries to flush a non-WQ_MEM_RECLAIM workqueue. It seems that the semantics of the WQ_MEM_RECLAIM flag are not very clear [1] and that various patches have been sent to remove it from various workqueues throughout the kernel [2][3][4] in order to silence the warning. These patches do the same for the workqueues created by mlxsw that probably should not have been created with this flag in the first place. Patch #5 fixes a regression where an IP address cannot be assigned to a VRF upper due to erroneous MAC validation check. Patch #6 adds a test case. Patch #7 adjusts Spectrum-2 shared buffer configuration to be compatible with Spectrum-1. The problem and fix are described in detail in the commit message. Please consider patches #1-#5 for 5.0.y. I verified they apply cleanly. [1] https://patchwork.kernel.org/patch/10791315/ [2] Commit ce162bfb ("mac80211_hwsim: don't use WQ_MEM_RECLAIM") [3] Commit 39baf103 ("IB/core: Fix use workqueue without WQ_MEM_RECLAIM") [4] Commit 75215e5b ("iwcm: Don't allocate iwcm workqueue with WQ_MEM_RECLAIM") ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
In Spectrum-1, when a multicast packet is admitted to the shared buffer it increases the quotas of all the ports and {port, TC} to which it is forwarded to. The above means that multicast packets are accounted multiple times in the shared buffer and can therefore cause the associated shared buffer pool to fill up very quickly. To work around this issue, commit e83c045e ("mlxsw: spectrum_buffers: Configure MC pool") added a dedicated multicast pool in which multicast packets are accounted. The issue is not present in Spectrum-2, but in order to be backward compatible with Spectrum-1, its default behavior is to allow a multicast packet to increase multiple egress quotas instead of one. Until the new (non-backward compatible) mode is supported, configure a dedicated multicast pool as in Spectrum-1. Fixes: fe099bf6 ("mlxsw: spectrum_buffers: Add Spectrum-2 shared buffer configuration") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Reviewed-by:
Petr Machata <petrm@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
Test that it is possible to set an IP address on a VRF and that it is not vetoed. Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
Commit 74bc9939 ("mlxsw: spectrum_router: Veto unsupported RIF MAC addresses") enabled the driver to veto router interface (RIF) MAC addresses that it cannot support. This check should only be performed for interfaces for which the driver actually configures a RIF. A VRF upper is not one of them, so ignore it. Without this patch it is not possible to set an IP address on the VRF device and use it as a loopback. Fixes: 74bc9939 ("mlxsw: spectrum_router: Veto unsupported RIF MAC addresses") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Reported-by:
Alexander Petrovskiy <alexpe@mellanox.com> Tested-by:
Alexander Petrovskiy <alexpe@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
The workqueue is used to periodically update the networking stack about activity / statistics of various objects such as neighbours and TC actions. It should not be called as part of memory reclaim path, so remove the WQ_MEM_RECLAIM flag. Fixes: 3d5479e9 ("mlxsw: core: Remove deprecated create_workqueue") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
The ordered workqueue is used to offload various objects such as routes and neighbours in the order they are notified. It should not be called as part of memory reclaim path, so remove the WQ_MEM_RECLAIM flag. This can also result in a warning [1], if a worker tries to flush a non-WQ_MEM_RECLAIM workqueue. [1] [97703.542861] workqueue: WQ_MEM_RECLAIM mlxsw_core_ordered:mlxsw_sp_router_fib6_event_work [mlxsw_spectrum] is flushing !WQ_MEM_RECLAIM events:rht_deferred_worker [97703.542884] WARNING: CPU: 1 PID: 32492 at kernel/workqueue.c:2605 check_flush_dependency+0xb5/0x130 ... [97703.542988] Hardware name: Mellanox Technologies Ltd. MSN3700C/VMOD0008, BIOS 5.11 10/10/2018 [97703.543049] Workqueue: mlxsw_core_ordered mlxsw_sp_router_fib6_event_work [mlxsw_spectrum] [97703.543061] RIP: 0010:check_flush_dependency+0xb5/0x130 ... [97703.543071] RSP: 0018:ffffb3f08137bc00 EFLAGS: 00010086 [97703.543076] RAX: 0000000000000000 RBX: ffff96e07740ae00 RCX: 0000000000000000 [97703.543080] RDX: 0000000000000094 RSI: ffffffff82dc1934 RDI: 0000000000000046 [97703.543084] RBP: ffffb3f08137bc20 R08: ffffffff82dc18a0 R09: 00000000000225c0 [97703.543087] R10: 0000000000000000 R11: 0000000000007eec R12: ffffffff816e4ee0 [97703.543091] R13: ffff96e06f6a5c00 R14: ffff96e077ba7700 R15: ffffffff812ab0c0 [97703.543097] FS: 0000000000000000(0000) GS:ffff96e077a80000(0000) knlGS:0000000000000000 [97703.543101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [97703.543104] CR2: 00007f8cd135b280 CR3: 00000001e860e003 CR4: 00000000003606e0 [97703.543109] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [97703.543112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [97703.543115] Call Trace: [97703.543129] __flush_work+0xbd/0x1e0 [97703.543137] ? __cancel_work_timer+0x136/0x1b0 [97703.543145] ? pwq_dec_nr_in_flight+0x49/0xa0 [97703.543154] __cancel_work_timer+0x136/0x1b0 [97703.543175] ? mlxsw_reg_trans_bulk_wait+0x145/0x400 [mlxsw_core] [97703.543184] cancel_work_sync+0x10/0x20 [97703.543191] rhashtable_free_and_destroy+0x23/0x140 [97703.543198] rhashtable_destroy+0xd/0x10 [97703.543254] mlxsw_sp_fib_destroy+0xb1/0xf0 [mlxsw_spectrum] [97703.543310] mlxsw_sp_vr_put+0xa8/0xc0 [mlxsw_spectrum] [97703.543364] mlxsw_sp_fib_node_put+0xbf/0x140 [mlxsw_spectrum] [97703.543418] ? mlxsw_sp_fib6_entry_destroy+0xe8/0x110 [mlxsw_spectrum] [97703.543475] mlxsw_sp_router_fib6_event_work+0x6cd/0x7f0 [mlxsw_spectrum] [97703.543484] process_one_work+0x1fd/0x400 [97703.543493] worker_thread+0x34/0x410 [97703.543500] kthread+0x121/0x140 [97703.543507] ? process_one_work+0x400/0x400 [97703.543512] ? kthread_park+0x90/0x90 [97703.543523] ret_from_fork+0x35/0x40 Fixes: a3832b31 ("mlxsw: core: Create an ordered workqueue for FIB offload") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Reported-by:
Semion Lisyansky <semionl@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
The EMAD workqueue is used to handle retransmission of EMAD packets that contain configuration data for the device's firmware. Given the workers need to allocate these packets and that the code is not called as part of memory reclaim path, remove the WQ_MEM_RECLAIM flag. Fixes: d965465b ("mlxsw: core: Fix possible deadlock") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
The driver cannot guarantee in the prepare phase that it will be able to write an MDB entry to the device. In case the driver returned success during the prepare phase, but then failed to add the entry in the commit phase, a WARNING [1] will be generated by the switchdev core. Fix this by doing the work in the prepare phase instead. [1] [ 358.544486] swp12s0: Commit of object (id=2) failed. [ 358.550061] WARNING: CPU: 0 PID: 30 at net/switchdev/switchdev.c:281 switchdev_port_obj_add_now+0x9b/0xe0 [ 358.560754] CPU: 0 PID: 30 Comm: kworker/0:1 Not tainted 5.0.0-custom-13382-gf2449babf221 #1350 [ 358.570472] Hardware name: Mellanox Technologies Ltd. MSN2100-CB2FO/SA001017, BIOS 5.6.5 06/07/2016 [ 358.580582] Workqueue: events switchdev_deferred_process_work [ 358.587001] RIP: 0010:switchdev_port_obj_add_now+0x9b/0xe0 ... [ 358.614109] RSP: 0018:ffffa6b900d6fe18 EFLAGS: 00010286 [ 358.619943] RAX: 0000000000000000 RBX: ffff8b00797ff000 RCX: 0000000000000000 [ 358.627912] RDX: ffff8b00b7a1d4c0 RSI: ffff8b00b7a152e8 RDI: ffff8b00b7a152e8 [ 358.635881] RBP: ffff8b005c3f5bc0 R08: 000000000000022b R09: 0000000000000000 [ 358.643850] R10: 0000000000000000 R11: ffffa6b900d6fcc8 R12: 0000000000000000 [ 358.651819] R13: dead000000000100 R14: ffff8b00b65a23c0 R15: 0ffff8b00b7a2200 [ 358.659790] FS: 0000000000000000(0000) GS:ffff8b00b7a00000(0000) knlGS:0000000000000000 [ 358.668820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 358.675228] CR2: 00007f00aad90de0 CR3: 00000001ca80d000 CR4: 00000000001006f0 [ 358.683188] Call Trace: [ 358.685918] switchdev_port_obj_add_deferred+0x13/0x60 [ 358.691655] switchdev_deferred_process+0x6b/0xf0 [ 358.696907] switchdev_deferred_process_work+0xa/0x10 [ 358.702548] process_one_work+0x1f5/0x3f0 [ 358.707022] worker_thread+0x28/0x3c0 [ 358.711099] ? process_one_work+0x3f0/0x3f0 [ 358.715768] kthread+0x10d/0x130 [ 358.719369] ? __kthread_create_on_node+0x180/0x180 [ 358.724815] ret_from_fork+0x35/0x40 Fixes: 3a49b4fd ("mlxsw: Adding layer 2 multicast support") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Reported-by:
Alex Kushnarov <alexanderk@mellanox.com> Tested-by:
Alex Kushnarov <alexanderk@mellanox.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Apr 10, 2019
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David S. Miller authored
Merge tag 'mac80211-for-davem-2019-04-09' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== Various fixes: * iTXQ fixes from Felix * tracing fix - increase message length * fix SW_CRYPTO_CONTROL enforcement * WMM rule handling for regdomain intersection * max_interfaces in hwsim - reported by syzbot * clear private data in some more commands * a clang compiler warning fix I added a patch with two new (unused) macros for rate-limited printing to simplify getting the users into the tree. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Apr 09, 2019
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Alexander Wetzel authored
Restore SW_CRYPTO_CONTROL operation on AP_VLAN interfaces for unicast keys, the original override was intended to be done for group keys as those are treated specially by mac80211 and would always have been rejected. Now the situation is that AP_VLAN support must be enabled by the driver if it can support it (meaning it can support software crypto GTK TX). Thus, also simplify the code - if we get here with AP_VLAN and non- pairwise key, software crypto must be used (driver doesn't know about the interface) and can be used (driver must've advertised AP_VLAN if it also uses SW_CRYPTO_CONTROL). Fixes: db3bdcb9 ("mac80211: allow AP_VLAN operation on crypto controlled devices") Signed-off-by:
Alexander Wetzel <alexander@wetzel-home.de> [rewrite commit message] Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Off by one and bounds checking fixes in NFC, from Dan Carpenter. 2) There have been many weird regressions in r8169 since we turned ASPM support on, some are still not understood nor completely resolved. Let's turn this back off for now. From Heiner Kallweit. 3) Signess fixes for ethtool speed value handling, from Michael Zhivich. 4) Handle timestamps properly in macb driver, from Paul Thomas. 5) Two erspan fixes, it's the usual "skb ->data potentially reallocated and we're holding a stale protocol header pointer". From Lorenzo Bianconi. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: bnxt_en: Reset device on RX buffer errors. bnxt_en: Improve RX consumer index validity check. net: macb driver, check for SKBTX_HW_TSTAMP qlogic: qlcnic: fix use of SPEED_UNKNOWN ethtool constant broadcom: tg3: fix use of SPEED_UNKNOWN ethtool constant ethtool: avoid signed-unsigned comparison in ethtool_validate_speed() net: ip6_gre: fix possible use-after-free in ip6erspan_rcv net: ip_gre: fix possible use-after-free in erspan_rcv r8169: disable ASPM again MAINTAINERS: ieee802154: update documentation file pattern net: vrf: Fix ping failed when vrf mtu is set to 0 selftests: add a tc matchall test case nfc: nci: Potential off by one in ->pipes[] array NFC: nci: Add some bounds checking in nci_hci_cmd_received()
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-securityLinus Torvalds authored
Pull TPM fixes from James Morris: "From Jarkko: These are critical fixes for v5.1. Contains also couple of new selftests for v5.1 features (partial reads in /dev/tpm0)" * 'fixes-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: selftests/tpm2: Open tpm dev in unbuffered mode selftests/tpm2: Extend tests to cover partial reads KEYS: trusted: fix -Wvarags warning tpm: Fix the type of the return value in calc_tpm2_event_size() KEYS: trusted: allow trusted.ko to initialize w/o a TPM tpm: fix an invalid condition in tpm_common_poll tpm: turn on TPM on suspend for TPM 1.x
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git://github.com/jcmvbkbc/linux-xtensaLinus Torvalds authored
Pull xtensa fixes from Max Filippov: - fix syscall number passed to trace_sys_exit - fix syscall number initialization in start_thread - fix level interpretation in the return_address - fix format string warning in init_pmd * tag 'xtensa-20190408' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: fix format string warning in init_pmd xtensa: fix return_address xtensa: fix initialization of pt_regs::syscall in start_thread xtensa: use actual syscall number in do_syscall_trace_leave
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David S. Miller authored
Michael Chan says: ==================== bnxt_en: 2 bug fixes. The first patch prevents possible driver crash if we get a bad RX index from the hardware. The second patch resets the device when the hardware reports buffer error to recover from the error. Please queue these for -stable also. Thanks. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
If the RX completion indicates RX buffers errors, the RX ring will be disabled by firmware and no packets will be received on that ring from that point on. Recover by resetting the device. Fixes: c0c050c5 ("bnxt_en: New Broadcom ethernet driver.") Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
There is logic to check that the RX/TPA consumer index is the expected index to work around a hardware problem. However, the potentially bad consumer index is first used to index into an array to reference an entry. This can potentially crash if the bad consumer index is beyond legal range. Improve the logic to use the consumer index for dereferencing after the validity check and log an error message. Fixes: fa7e2812 ("bnxt_en: Add workaround to detect bad opaque in rx completion (part 2)") Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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