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2021-07-01ARM: dts: qcom-apq8060: Correct Ethernet node name and drop bogus irq propertyGeert Uytterhoeven1-3/+1
make dtbs_check: ethernet-ebi2@2,0: $nodename:0: 'ethernet-ebi2@2,0' does not match '^ethernet(@.*)?$' ethernet-ebi2@2,0: 'smsc,irq-active-low' does not match any of the regexes: 'pinctrl-[0-9]+' There is no "smsc,irq-active-low" property, as active low is the default. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01udp: annotate data races around unix_sk(sk)->gso_sizeEric Dumazet2-4/+4
Accesses to unix_sk(sk)->gso_size are lockless. Add READ_ONCE()/WRITE_ONCE() around them. BUG: KCSAN: data-race in udp_lib_setsockopt / udpv6_sendmsg write to 0xffff88812d78f47c of 2 bytes by task 10849 on cpu 1: udp_lib_setsockopt+0x3b3/0x710 net/ipv4/udp.c:2696 udpv6_setsockopt+0x63/0x90 net/ipv6/udp.c:1630 sock_common_setsockopt+0x5d/0x70 net/core/sock.c:3265 __sys_setsockopt+0x18f/0x200 net/socket.c:2104 __do_sys_setsockopt net/socket.c:2115 [inline] __se_sys_setsockopt net/socket.c:2112 [inline] __x64_sys_setsockopt+0x62/0x70 net/socket.c:2112 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88812d78f47c of 2 bytes by task 10852 on cpu 0: udpv6_sendmsg+0x161/0x16b0 net/ipv6/udp.c:1299 inet6_sendmsg+0x5f/0x80 net/ipv6/af_inet6.c:642 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] ____sys_sendmsg+0x360/0x4d0 net/socket.c:2337 ___sys_sendmsg net/socket.c:2391 [inline] __sys_sendmmsg+0x315/0x4b0 net/socket.c:2477 __do_sys_sendmmsg net/socket.c:2506 [inline] __se_sys_sendmmsg net/socket.c:2503 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2503 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000 -> 0x0005 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 10852 Comm: syz-executor.0 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Fixes: bec1f6f69736 ("udp: generate gso with UDP_SEGMENT") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Willem de Bruijn <willemb@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01tcp: consistently disable header prediction for mptcpPaolo Abeni1-0/+4
The MPTCP receive path is hooked only into the TCP slow-path. The DSS presence allows plain MPTCP traffic to hit that consistently. Since commit e1ff9e82e2ea ("net: mptcp: improve fallback to TCP"), when an MPTCP socket falls back to TCP, it can hit the TCP receive fast-path, and delay or stop triggering the event notification. Address the issue explicitly disabling the header prediction for MPTCP sockets. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/200 Fixes: e1ff9e82e2ea ("net: mptcp: improve fallback to TCP") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: remove the caif_hsi driverChristoph Hellwig4-1666/+0
The caif_hsi driver relies on a cfhsi_get_ops symbol using symbol_get, but this symbol is not provided anywhere in the kernel tree. Remove this driver given that it is dead code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01Documentation: add more details in tipc.rstXin Long1-3/+118
kernel-doc for TIPC is too simple, we need to add more information for it. This patch is to extend the abstract, and add the Features and Links items. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Jon Maloy <jmaloy@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ibmvnic: retry reset if there are no other resetsSukadev Bhattiprolu1-3/+19
Normally, if a reset fails due to failover or other communication error there is another reset (eg: FAILOVER) in the queue and we would process that reset. But if we are unable to communicate with PHYP or VIOS after H_FREE_CRQ, there would be no other resets in the queue and the adapter would be in an undefined state even though it was in the OPEN state earlier. While starting the reset we set the carrier to off state so we won't even get the timeout resets. If the last queued reset fails, retry it as a hard reset (after the usual 60 second settling time). Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com> Reviewed-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01MAINTAINERS: add entry for PTP virtual clock driverYangbo Lu1-0/+7
Add entry for PTP virtual clock driver. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01selftests/net: timestamping: support binding PHCYangbo Lu1-20/+35
Support binding PHC of PTP vclock for timestamping. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: socket: support hardware timestamp conversion to PHC boundYangbo Lu1-6/+13
This patch is to support hardware timestamp conversion to PHC bound. This applies to both RX and TX since their skb handling (for TX, it's skb clone in error queue) all goes through __sock_recv_timestamp. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: sock: extend SO_TIMESTAMPING for PHC bindingYangbo Lu5-13/+101
Since PTP virtual clock support is added, there can be several PTP virtual clocks based on one PTP physical clock for timestamping. This patch is to extend SO_TIMESTAMPING API to support PHC (PTP Hardware Clock) binding by adding a new flag SOF_TIMESTAMPING_BIND_PHC. When PTP virtual clocks are in use, user space can configure to bind one for timestamping, but PTP physical clock is not supported and not needed to bind. This patch is preparation for timestamp conversion from raw timestamp to a specific PTP virtual clock time in core net. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01mptcp: setsockopt: convert to mptcp_setsockopt_sol_socket_timestamping()Yangbo Lu1-17/+40
Split timestamping handling into a new function mptcp_setsockopt_sol_socket_timestamping(). This is preparation for extending SO_TIMESTAMPING for PHC binding, since optval will no longer be integer. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ptp: add kernel API ptp_convert_timestamp()Yangbo Lu2-0/+47
Add kernel API ptp_convert_timestamp() to convert raw hardware timestamp to a specified ptp vclock time. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ethtool: add a new command for getting PHC virtual clocksYangbo Lu8-1/+167
Add an interface for getting PHC (PTP Hardware Clock) virtual clocks, which are based on PHC physical clock providing hardware timestamp to network packets. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ptp: add kernel API ptp_get_vclocks_index()Yangbo Lu4-1/+53
Add kernel API ptp_get_vclocks_index() to get all ptp vclocks index on pclock. This is preparation for supporting ptp vclocks info query through ethtool. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ptp: track available ptp vclocks informationYangbo Lu3-4/+40
Track available ptp vclocks information. Record index values of available ptp vclocks during registering and unregistering. This is preparation for supporting ptp vclocks info query through ethtool. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ptp: support ptp physical/virtual clocks conversionYangbo Lu4-0/+205
Support ptp physical/virtual clocks conversion via sysfs. There will be a new attribute n_vclocks under ptp physical clock sysfs. - In default, the value is 0 meaning only ptp physical clock is in use. - Setting the value can create corresponding number of ptp virtual clocks to use. But current physical clock is guaranteed to stay free running. - Setting the value back to 0 can delete virtual clocks and back use physical clock again. Another new attribute max_vclocks control the maximum number of ptp vclocks. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01ptp: add ptp virtual clock driver frameworkYangbo Lu4-2/+169
This patch is to add ptp virtual clock driver framework utilizing timecounter/cyclecounter. The patch just exports two essential APIs for PTP driver. - ptp_vclock_register() - ptp_vclock_unregister() Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: wwan: iosm: set default mtuM Chetan Kumar1-0/+1
Set netdev default mtu size to 1500. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: wwan: iosm: fix netdev tx statsM Chetan Kumar1-1/+5
Update tx stats on successful packet consume, drop. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: wwan: iosm: correct link-id handlingM Chetan Kumar4-9/+9
Link ID to be kept intact with MBIM session ID Ex: ID 0 should be associated to MBIM session ID 0. Reported-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: wwan: iosm: remove reduandant checkM Chetan Kumar1-16/+3
Remove reduandant IP session id check since required checks are in place under caller. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: wwan: iosm: fix uevent reportingM Chetan Kumar1-1/+1
Change uevent env variable name to IOSM_EVENT & correct reporting format to key=value pair. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-pf: offload DMAC filters to CGX/RPM blockHariprasad Kelam6-10/+417
DMAC filtering can be achieved by either NPC MCAM rules or CGX/RPM MAC filters. Currently we are achieving this by NPC MCAM rules. This patch offloads DMAC filters to CGX/RPM MAC filters instead of NPC MCAM rules. Offloading DMAC filter to CGX/RPM block helps in reducing traffic to NPC block and save MCAM rules Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-af: Debugfs support for DMAC filtersHariprasad Kelam5-9/+113
Add debugfs support to display CGX/RPM DMAC filter table associated with pf. cat /sys/kernel/debug/octeontx2/cgx/cgx0/lmac0/mac_filter PCI dev RVUPF BROADCAST MULTICAST FILTER-MODE 0002:02:00.0 PF2 ACCEPT ACCEPT UNICAST DMAC-INDEX ADDRESS 0 00:0f:b7:06:17:06 1 1a:1b:1c:1d:1e:01 2 1a:1b:1c:1d:1e:02 Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-af: DMAC filter support in MAC blockSunil Kumar Kori7-20/+425
MAC block supports 32 dmac filters which are logically divided among all attached LMACS. For example MAC block0 having one LMAC then maximum supported filters are 32 where as MAC block1 having 4 enabled LMACS them maximum supported filteres are 8 for each LMAC. This patch adds mbox handlers to add/delete/update mac entry in DMAC filter table. Signed-off-by: Sunil Kumar Kori <skori@marvell.com> Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: mv88e6xxx: enable SerDes PCS register dump via ethtool -d on TopazMarek Behún1-0/+4
Commit bf3504cea7d7e ("net: dsa: mv88e6xxx: Add 6390 family PCS registers to ethtool -d") added support for dumping SerDes PCS registers via ethtool -d for Peridot. The same implementation is also valid for Topaz, but was not enabled at the time. Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: bf3504cea7d7e ("net: dsa: mv88e6xxx: Add 6390 family PCS registers to ethtool -d") Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: mv88e6xxx: enable SerDes RX stats for TopazMarek Behún2-3/+9
Commit 0df952873636a ("mv88e6xxx: Add serdes Rx statistics") added support for RX statistics on SerDes ports for Peridot. This same implementation is also valid for Topaz, but was not enabled at the time. We need to use the generic .serdes_get_lane() method instead of the Peridot specific one in the stats methods so that on Topaz the proper one is used. Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: 0df952873636a ("mv88e6xxx: Add serdes Rx statistics") Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: mv88e6xxx: enable devlink ATU hash param for TopazMarek Behún1-0/+4
Commit 23e8b470c7788 ("net: dsa: mv88e6xxx: Add devlink param for ATU hash algorithm.") introduced ATU hash algorithm access via devlink, but did not enable it for Topaz. Enable this feature also for Topaz. Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: 23e8b470c7788 ("net: dsa: mv88e6xxx: Add devlink param for ATU hash algorithm.") Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: mv88e6xxx: enable .rmu_disable() on TopazMarek Behún1-0/+2
Commit 9e5baf9b36367 ("net: dsa: mv88e6xxx: add RMU disable op") introduced .rmu_disable() method with implementation for several models, but forgot to add Topaz, which can use the Peridot implementation. Use the Peridot implementation of .rmu_disable() on Topaz. Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: 9e5baf9b36367 ("net: dsa: mv88e6xxx: add RMU disable op") Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: mv88e6xxx: use correct .stats_set_histogram() on TopazMarek Behún1-2/+2
Commit 40cff8fca9e3 ("net: dsa: mv88e6xxx: Fix stats histogram mode") introduced wrong .stats_set_histogram() method for Topaz family. The Peridot method should be used instead. Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: 40cff8fca9e3 ("net: dsa: mv88e6xxx: Fix stats histogram mode") Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: mv88e6xxx: enable .port_set_policy() on TopazMarek Behún1-0/+2
Commit f3a2cd326e44 ("net: dsa: mv88e6xxx: introduce .port_set_policy") introduced .port_set_policy() method with implementation for several models, but forgot to add Topaz, which can use the 6352 implementation. Use the 6352 implementation of .port_set_policy() on Topaz. Signed-off-by: Marek Behún <kabel@kernel.org> Fixes: f3a2cd326e44 ("net: dsa: mv88e6xxx: introduce .port_set_policy") Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01sctp: move 198 addresses from unusable to private scopeXin Long2-4/+3
The doc draft-stewart-tsvwg-sctp-ipv4-00 that restricts 198 addresses was never published. These addresses as private addresses should be allowed to use in SCTP. As Michael Tuexen suggested, this patch is to move 198 addresses from unusable to private scope. Reported-by: Sérgio <surkamp@gmail.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01sctp: check pl.raise_count separately from its incrementXin Long1-4/+7
As Marcelo's suggestion this will make code more clear to read. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: bcmgenet: ensure EXT_ENERGY_DET_MASK is clearDoug Berger2-21/+2
Setting the EXT_ENERGY_DET_MASK bit allows the port energy detection logic of the internal PHY to prevent the system from sleeping. Some internal PHYs will report that energy is detected when the network interface is closed which can prevent the system from going to sleep if WoL is enabled when the interface is brought down. Since the driver does not support waking the system on this logic, this commit clears the bit whenever the internal PHY is powered up and the other logic for manipulating the bit is removed since it serves no useful function. Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file") Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: dsa: return -EOPNOTSUPP when driver does not implement .port_lag_joinVladimir Oltean1-2/+2
The DSA core has a layered structure, and even though we end up returning 0 (success) to user space when setting a bonding/team upper that can't be offloaded, some parts of the framework actually need to know that we couldn't offload that. For example, if dsa_switch_lag_join returns 0 as it currently does, dsa_port_lag_join has no way to tell a successful offload from a software fallback, and it will call dsa_port_bridge_join afterwards. Then we'll think we're offloading the bridge master of the LAG, when in fact we're not even offloading the LAG. In turn, this will make us set skb->offload_fwd_mark = true, which is incorrect and the bridge doesn't like it. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-pf: cn10k: Use runtime allocated LMTLINE regionGeetha sowjanya6-73/+54
The current driver uses static LMTST region allocated by firmware. This memory gets populated as PF/VF BAR2. RVU PF/VF driver ioremap the memory as device memory for NIX/NPA operation. Since the memory is mapped as device memory we see performance degration. To address this issue this patch implements runtime memory allocation. RVU PF/VF allocates memory during device probe and share the base address with RVU AF. RVU AF then configure the LMT MAP table accordingly. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-af: cn10k: Support configurable LMTST regionsGeetha sowjanya3-35/+103
This patch extends the lmtst_tbl_setup_req mbox to support run time LMTST configuration. RVU PF/VF and DPDK/ODP allocates a LMT region, creates a translation entry for a device via VFIO IOCTLs. This IOVA is shared with AF through above mbox. AF then uses RVU_SMMU transulation Widget and gets PA for the IOVA and updates the LMTtable entry for that device. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-af: cn10k: Setting up lmtst map tableHarman Kalra6-1/+159
Introducing a new mailbox to support updating lmt entries and common lmt base address scheme i.e. multiple pcifuncs can share lmt region to reduce L1 cache pressure for application. Parameters passed to mailbox includes the primary pcifunc value whose lmt regions will be shared by other secondary pcifuncs. Here secondary pcifunc will be the one who is calling the mailbox. For example: By default each pcifunc has its own LMT base address: PCIFUNC1 LMT_BASE_ADDR A PCIFUNC2 LMT_BASE_ADDR B PCIFUNC3 LMT_BASE_ADDR C PCIFUNC4 LMT_BASE_ADDR D Application will choose PCIFUNC1 as base/primary pcifunc and as and when other pcifunc(secondary pcifuncs) gets probed, this mailbox will be called and LMTST table will be updated as: PCIFUNC1 LMT_BASE_ADDR A PCIFUNC2 LMT_BASE_ADDR A PCIFUNC3 LMT_BASE_ADDR A PCIFUNC4 LMT_BASE_ADDR A On FLR lmtst map table gets resetted to the default lmt base addresses for all secondary pcifuncs. Signed-off-by: Harman Kalra <hkalra@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: annotate data race around sk_ll_usecEric Dumazet2-2/+2
sk_ll_usec is read locklessly from sk_can_busy_loop() while another thread can change its value in sock_setsockopt() This is correct but needs annotations. BUG: KCSAN: data-race in __skb_try_recv_datagram / sock_setsockopt write to 0xffff88814eb5f904 of 4 bytes by task 14011 on cpu 0: sock_setsockopt+0x1287/0x2090 net/core/sock.c:1175 __sys_setsockopt+0x14f/0x200 net/socket.c:2100 __do_sys_setsockopt net/socket.c:2115 [inline] __se_sys_setsockopt net/socket.c:2112 [inline] __x64_sys_setsockopt+0x62/0x70 net/socket.c:2112 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88814eb5f904 of 4 bytes by task 14001 on cpu 1: sk_can_busy_loop include/net/busy_poll.h:41 [inline] __skb_try_recv_datagram+0x14f/0x320 net/core/datagram.c:273 unix_dgram_recvmsg+0x14c/0x870 net/unix/af_unix.c:2101 unix_seqpacket_recvmsg+0x5a/0x70 net/unix/af_unix.c:2067 ____sys_recvmsg+0x15d/0x310 include/linux/uio.h:244 ___sys_recvmsg net/socket.c:2598 [inline] do_recvmmsg+0x35c/0x9f0 net/socket.c:2692 __sys_recvmmsg net/socket.c:2771 [inline] __do_sys_recvmmsg net/socket.c:2794 [inline] __se_sys_recvmmsg net/socket.c:2787 [inline] __x64_sys_recvmmsg+0xcf/0x150 net/socket.c:2787 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000000 -> 0x00000101 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14001 Comm: syz-executor.3 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net/802/garp: fix memleak in garp_request_join()Yang Yingliang1-0/+14
I got kmemleak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff88810c909b80 (size 64): comm "syz", pid 957, jiffies 4295220394 (age 399.090s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 08 00 00 00 01 02 00 04 ................ backtrace: [<00000000ca1f2e2e>] garp_request_join+0x285/0x3d0 [<00000000bf153351>] vlan_gvrp_request_join+0x15b/0x190 [<0000000024005e72>] vlan_dev_open+0x706/0x980 [<00000000dc20c4d4>] __dev_open+0x2bb/0x460 [<0000000066573004>] __dev_change_flags+0x501/0x650 [<0000000035b42f83>] rtnl_configure_link+0xee/0x280 [<00000000a5e69de0>] __rtnl_newlink+0xed5/0x1550 [<00000000a5258f4a>] rtnl_newlink+0x66/0x90 [<00000000506568ee>] rtnetlink_rcv_msg+0x439/0xbd0 [<00000000b7eaeae1>] netlink_rcv_skb+0x14d/0x420 [<00000000c373ce66>] netlink_unicast+0x550/0x750 [<00000000ec74ce74>] netlink_sendmsg+0x88b/0xda0 [<00000000381ff246>] sock_sendmsg+0xc9/0x120 [<000000008f6a2db3>] ____sys_sendmsg+0x6e8/0x820 [<000000008d9c1735>] ___sys_sendmsg+0x145/0x1c0 [<00000000aa39dd8b>] __sys_sendmsg+0xfe/0x1d0 Calling garp_request_leave() after garp_request_join(), the attr->state is set to GARP_APPLICANT_VO, garp_attr_destroy() won't be called in last transmit event in garp_uninit_applicant(), the attr of applicant will be leaked. To fix this leak, iterate and free each attr of applicant before rerturning from garp_uninit_applicant(). Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01sctp: prevent info leak in sctp_make_heartbeat()Dan Carpenter1-1/+1
The "hbinfo" struct has a 4 byte hole at the end so we have to zero it out to prevent stack information from being disclosed. Fixes: fe59379b9ab7 ("sctp: do the basic send and recv for PLPMTUD probe") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net/802/mrp: fix memleak in mrp_request_join()Yang Yingliang1-0/+14
I got kmemleak report when doing fuzz test: BUG: memory leak unreferenced object 0xffff88810c239500 (size 64): comm "syz-executor940", pid 882, jiffies 4294712870 (age 14.631s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 01 00 00 00 01 02 00 04 ................ backtrace: [<00000000a323afa4>] slab_alloc_node mm/slub.c:2972 [inline] [<00000000a323afa4>] slab_alloc mm/slub.c:2980 [inline] [<00000000a323afa4>] __kmalloc+0x167/0x340 mm/slub.c:4130 [<000000005034ca11>] kmalloc include/linux/slab.h:595 [inline] [<000000005034ca11>] mrp_attr_create net/802/mrp.c:276 [inline] [<000000005034ca11>] mrp_request_join+0x265/0x550 net/802/mrp.c:530 [<00000000fcfd81f3>] vlan_mvrp_request_join+0x145/0x170 net/8021q/vlan_mvrp.c:40 [<000000009258546e>] vlan_dev_open+0x477/0x890 net/8021q/vlan_dev.c:292 [<0000000059acd82b>] __dev_open+0x281/0x410 net/core/dev.c:1609 [<000000004e6dc695>] __dev_change_flags+0x424/0x560 net/core/dev.c:8767 [<00000000471a09af>] rtnl_configure_link+0xd9/0x210 net/core/rtnetlink.c:3122 [<0000000037a4672b>] __rtnl_newlink+0xe08/0x13e0 net/core/rtnetlink.c:3448 [<000000008d5d0fda>] rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3488 [<000000004882fe39>] rtnetlink_rcv_msg+0x369/0xa10 net/core/rtnetlink.c:5552 [<00000000907e6c54>] netlink_rcv_skb+0x134/0x3d0 net/netlink/af_netlink.c:2504 [<00000000e7d7a8c4>] netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] [<00000000e7d7a8c4>] netlink_unicast+0x4a0/0x6a0 net/netlink/af_netlink.c:1340 [<00000000e0645d50>] netlink_sendmsg+0x78e/0xc90 net/netlink/af_netlink.c:1929 [<00000000c24559b7>] sock_sendmsg_nosec net/socket.c:654 [inline] [<00000000c24559b7>] sock_sendmsg+0x139/0x170 net/socket.c:674 [<00000000fc210bc2>] ____sys_sendmsg+0x658/0x7d0 net/socket.c:2350 [<00000000be4577b5>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2404 Calling mrp_request_leave() after mrp_request_join(), the attr->state is set to MRP_APPLICANT_VO, mrp_attr_destroy() won't be called in last TX event in mrp_uninit_applicant(), the attr of applicant will be leaked. To fix this leak, iterate and free each attr of applicant before rerturning from mrp_uninit_applicant(). Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01openvswitch: Optimize operation for key comparisonBaowen Zheng1-3/+3
In the current implement when comparing two flow keys, we will return result after comparing the whole key from start to end. In our optimization, we will return result in the first none-zero comparison, then we will improve the flow table looking up efficiency. Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com> Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01net: usb: asix: ax88772: suspend PHY on driver probeOleksij Rempel1-0/+1
After probe/bind sequence is the PHY in active state, even if interface is stopped. As result, on some systems like Samsung Exynos5250 SoC based Arndale board, the ASIX PHY will be able to negotiate the link but fail to transmit the data. To handle it, suspend the PHY on probe. Fixes: e532a096be0e ("net: usb: asix: ax88772: add phylib support") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-29qemu_fw_cfg: Make fw_cfg_rev_attr a proper kobj_attributeNathan Chancellor1-5/+3
fw_cfg_showrev() is called by an indirect call in kobj_attr_show(), which violates clang's CFI checking because fw_cfg_showrev()'s second parameter is 'struct attribute', whereas the ->show() member of 'struct kobj_structure' expects the second parameter to be of type 'struct kobj_attribute'. $ cat /sys/firmware/qemu_fw_cfg/rev 3 $ dmesg | grep "CFI failure" [ 26.016832] CFI failure (target: fw_cfg_showrev+0x0/0x8): Fix this by converting fw_cfg_rev_attr to 'struct kobj_attribute' where this would have been caught automatically by the incompatible pointer types compiler warning. Update fw_cfg_showrev() accordingly. Fixes: 75f3e8e47f38 ("firmware: introduce sysfs driver for QEMU's fw_cfg device") Link: https://github.com/ClangBuiltLinux/linux/issues/1299 Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20210211194258.4137998-1-nathan@kernel.org
2021-06-29tcp: change ICSK_CA_PRIV_SIZE definitionEric Dumazet1-1/+1
Instead of a magic number (13 currently) and having to change it every other year, use sizeof_field() macro. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-29tcp_yeah: check struct yeah size at compile timeEric Dumazet1-1/+1
Compiler can perform the sanity check instead of waiting to load the module and crash the host. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-29gve: DQO: Fix off by one in gve_rx_dqo()Dan Carpenter1-1/+1
The rx->dqo.buf_states[] array is allocated in gve_rx_alloc_ring_dqo() and it has rx->dqo.num_buf_states so this > needs to >= to prevent an out of bounds access. Fixes: 9b8dd5e5ea48 ("gve: DQO: Add RX path") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-29stmmac: intel: set PCI_D3hot in suspendVoon Weifeng1-0/+1
During suspend, set the Intel mgbe to D3hot state to save power consumption. Signed-off-by: Voon Weifeng <weifeng.voon@intel.com> Signed-off-by: Ling Pei Lee <pei.lee.ling@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-29stmmac: intel: Enable PHY WOL option in EHLLing Pei Lee1-0/+1
Enable PHY Wake On LAN in Intel EHL Intel platform. PHY Wake on LAN option is enabled due to Intel EHL Intel platform is designed for PHY Wake On LAN but not MAC Wake On LAN. Signed-off-by: Ling Pei Lee <pei.lee.ling@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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