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2020-11-20can: drivers: introduce helpers to access Classical CAN DLC valuesOliver Hartkopp
This patch adds the following helper to functions to access Classical CAN DLC values. can_get_cc_dlc(): get the data length code for Classical CAN raw DLC access can_frame_set_cc_len(): set len and len8_dlc value for Classical CAN raw DLC access Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201110154913.1404582-2-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-20can: rename CAN FD related can_len2dlc and can_dlc2len helpersOliver Hartkopp
The helper functions can_len2dlc and can_dlc2len are only relevant for CAN FD data length code (DLC) conversion. To fit the introduced can_cc_dlc2len for Classical CAN we rename: can_dlc2len -> can_fd_dlc2len to get the payload length from the DLC can_len2dlc -> can_fd_len2dlc to get the DLC from the payload length Suggested-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201110101852.1973-6-socketcan@hartkopp.net Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-20can: replace can_dlc as variable/element for payload lengthOliver Hartkopp
The naming of can_dlc as element of struct can_frame and also as variable name is misleading as it claims to be a 'data length CODE' but in reality it always was a plain data length. With the indroduction of a new 'len' element in struct can_frame we can now remove can_dlc as name and make clear which of the former uses was a plain length (-> 'len') or a data length code (-> 'dlc') value. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201120100444.3199-1-socketcan@hartkopp.net [mkl: gs_usb: keep struct gs_host_frame::can_dlc as is] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-20can: remove obsolete get_canfd_dlc() macroOliver Hartkopp
The macro was always used together with can_dlc2len() which sanitizes the given dlc value on its own. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201110101852.1973-4-socketcan@hartkopp.net Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-20can: rename get_can_dlc() macro with can_cc_dlc2len()Oliver Hartkopp
The get_can_dlc() macro is used to ensure the payload length information of the Classical CAN frame to be max 8 bytes (the CAN_MAX_DLEN). Rename the macro and use the correct constant in preparation of the len/dlc cleanup for Classical CAN frames. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201110101852.1973-3-socketcan@hartkopp.net Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-20can: add optional DLC element to Classical CAN frame structureOliver Hartkopp
ISO 11898-1 Chapter 8.4.2.3 defines a 4 bit data length code (DLC) table which maps the DLC to the payload length of the CAN frame in bytes: DLC -> payload length 0 .. 8 -> 0 .. 8 9 .. 15 -> 8 Although the DLC values 8 .. 15 in Classical CAN always result in a payload length of 8 bytes these DLC values are transparently transmitted on the CAN bus. As the struct can_frame only provides a 'len' element (formerly 'can_dlc') which contains the plain payload length ( 0 .. 8 ) of the CAN frame, the raw DLC is not visible to the application programmer, e.g. for testing use-cases. To access the raw DLC values 9 .. 15 the len8_dlc element is introduced, which is only valid when the payload length 'len' is 8 and the DLC is greater than 8. The len8_dlc element is filled by the CAN interface driver and used for CAN frame creation by the CAN driver when the CAN_CTRLMODE_CC_LEN8_DLC flag is supported by the driver and enabled via netlink configuration interface. Reported-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201110101852.1973-2-socketcan@hartkopp.net Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-19devlink: move flash end and begin to core devlinkJacob Keller
When performing a flash update via devlink, device drivers may inform user space of status updates via devlink_flash_update_(begin|end|timeout|status)_notify functions. It is expected that drivers do not send any status notifications unless they send a begin and end message. If a driver sends a status notification without sending the appropriate end notification upon finishing (regardless of success or failure), the current implementation of the devlink userspace program can get stuck endlessly waiting for the end notification that will never come. The current ice driver implementation may send such a status message without the appropriate end notification in rare cases. Fixing the ice driver is relatively simple: we just need to send the begin_notify at the start of the function and always send an end_notify no matter how the function exits. Rather than assuming driver authors will always get this right in the future, lets just fix the API so that it is not possible to get wrong. Make devlink_flash_update_begin_notify and devlink_flash_update_end_notify static, and call them in devlink.c core code. Always send the begin_notify just before calling the driver's flash_update routine. Always send the end_notify just after the routine returns regardless of success or failure. Doing this makes the status notification easier to use from the driver, as it no longer needs to worry about catching failures and cleaning up by calling devlink_flash_update_end_notify. It is now no longer possible to do the wrong thing in this regard. We also save a couple of lines of code in each driver. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-19devlink: move request_firmware out of driverJacob Keller
All drivers which implement the devlink flash update support, with the exception of netdevsim, use either request_firmware or request_firmware_direct to locate the firmware file. Rather than having each driver do this separately as part of its .flash_update implementation, perform the request_firmware within net/core/devlink.c Replace the file_name parameter in the struct devlink_flash_update_params with a pointer to the fw object. Use request_firmware rather than request_firmware_direct. Although most Linux distributions today do not have the fallback mechanism implemented, only about half the drivers used the _direct request, as compared to the generic request_firmware. In the event that a distribution does support the fallback mechanism, the devlink flash update ought to be able to use it to provide the firmware contents. For distributions which do not support the fallback userspace mechanism, there should be essentially no difference between request_firmware and request_firmware_direct. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Shannon Nelson <snelson@pensando.io> Acked-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-19Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-19Merge tag 'net-5.10-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Networking fixes for 5.10-rc5, including fixes from the WiFi (mac80211), can and bpf (including the strncpy_from_user fix). Current release - regressions: - mac80211: fix memory leak of filtered powersave frames - mac80211: free sta in sta_info_insert_finish() on errors to avoid sleeping in atomic context - netlabel: fix an uninitialized variable warning added in -rc4 Previous release - regressions: - vsock: forward all packets to the host when no H2G is registered, un-breaking AWS Nitro Enclaves - net: Exempt multicast addresses from five-second neighbor lifetime requirement, decreasing the chances neighbor tables fill up - net/tls: fix corrupted data in recvmsg - qed: fix ILT configuration of SRC block - can: m_can: process interrupt only when not runtime suspended Previous release - always broken: - page_frag: Recover from memory pressure by not recycling pages allocating from the reserves - strncpy_from_user: Mask out bytes after NUL terminator - ip_tunnels: Set tunnel option flag only when tunnel metadata is present, always setting it confuses Open vSwitch - bpf, sockmap: - Fix partial copy_page_to_iter so progress can still be made - Fix socket memory accounting and obeying SO_RCVBUF - net: Have netpoll bring-up DSA management interface - net: bridge: add missing counters to ndo_get_stats64 callback - tcp: brr: only postpone PROBE_RTT if RTT is < current min_rtt - enetc: Workaround MDIO register access HW bug - net/ncsi: move netlink family registration to a subsystem init, instead of tying it to driver probe - net: ftgmac100: unregister NC-SI when removing driver to avoid crash - lan743x: - prevent interrupt storm on open - fix freeing skbs in the wrong context - net/mlx5e: Fix socket refcount leak on kTLS RX resync - net: dsa: mv88e6xxx: Avoid VLAN database corruption on 6097 - fix 21 unset return codes and other mistakes on error paths, mostly detected by the Hulk Robot" * tag 'net-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (115 commits) fail_function: Remove a redundant mutex unlock selftest/bpf: Test bpf_probe_read_user_str() strips trailing bytes after NUL lib/strncpy_from_user.c: Mask out bytes after NUL terminator. net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid() net/smc: fix matching of existing link groups ipv6: Remove dependency of ipv6_frag_thdr_truncated on ipv6 module libbpf: Fix VERSIONED_SYM_COUNT number parsing net/mlx4_core: Fix init_hca fields offset atm: nicstar: Unmap DMA on send error page_frag: Recover from memory pressure net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset mlxsw: core: Use variable timeout for EMAD retries mlxsw: Fix firmware flashing net: Have netpoll bring-up DSA management interface atl1e: fix error return code in atl1e_probe() atl1c: fix error return code in atl1c_probe() ah6: fix error return code in ah6_input() net: usb: qmi_wwan: Set DTR quirk for MR400 can: m_can: process interrupt only when not runtime suspended can: flexcan: flexcan_chip_start(): fix erroneous flexcan_transceiver_enable() during bus-off recovery ...
2020-11-19Merge tag 'spi-fix-v5.10-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "This is a relatively large set of fixes, the bulk of it being a series from Lukas Wunner which fixes confusion with the lifetime of driver data allocated along with the SPI controller structure that's been created as part of the conversion to devm APIs. The simplest fix, explained in detail in Lukas' commit message, is to move to a devm_ function for allocation of the controller and hence driver data in order to push the free of that after anything tries to reference the driver data in the remove path. This results in a relatively large diff due to the addition of a new function but isn't particularly complex. There's also a fix from Sven van Asbroeck which fixes yet more fallout from the conflicts between the various different places one can configure the polarity of GPIOs in modern systems. Otherwise everything is fairly small and driver specific" * tag 'spi-fix-v5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: npcm-fiu: Don't leak SPI master in probe error path spi: dw: Set transfer handler before unmasking the IRQs spi: cadence-quadspi: Fix error return code in cqspi_probe spi: bcm2835aux: Restore err assignment in bcm2835aux_spi_probe spi: lpspi: Fix use-after-free on unbind spi: bcm-qspi: Fix use-after-free on unbind spi: bcm2835aux: Fix use-after-free on unbind spi: bcm2835: Fix use-after-free on unbind spi: Introduce device-managed SPI controller allocation spi: fsi: Fix transfer returning without finalizing message spi: fix client driver breakages when using GPIO descriptors
2020-11-19ipv6: Remove dependency of ipv6_frag_thdr_truncated on ipv6 moduleGeorg Kohmann
IPV6=m NF_DEFRAG_IPV6=y ld: net/ipv6/netfilter/nf_conntrack_reasm.o: in function `nf_ct_frag6_gather': net/ipv6/netfilter/nf_conntrack_reasm.c:462: undefined reference to `ipv6_frag_thdr_truncated' Netfilter is depending on ipv6 symbol ipv6_frag_thdr_truncated. This dependency is forcing IPV6=y. Remove this dependency by moving ipv6_frag_thdr_truncated out of ipv6. This is the same solution as used with a similar issues: Referring to commit 70b095c843266 ("ipv6: remove dependency of nf_defrag_ipv6 on ipv6 module") Fixes: 9d9e937b1c8b ("ipv6/netfilter: Discard first fragment not including all headers") Reported-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Georg Kohmann <geokohma@cisco.com> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Link: https://lore.kernel.org/r/20201119095833.8409-1-geokohma@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-18atm: nicstar: Replace in_interrupt() usageSebastian Andrzej Siewior
push_scqe() uses in_interrupt() to figure out if it is allowed to sleep. The usage of in_interrupt() in drivers is phased out and Linus clearly requested that code which changes behaviour depending on context should either be separated or the context be conveyed in an argument passed by the caller, which usually knows the context. Aside of that in_interrupt() is not correct as it does not catch preempt disabled regions which neither can sleep. ns_send() (the only caller of push_scqe()) has the following callers: - vcc_sendmsg() used as proto_ops::sendmsg is expected to be invoked in preemtible context. -> vcc->dev->ops->send() (ns_send()) - atm_vcc::send via atmdev_ops::send either directly (pointer copied by atm_init_aal34() or atm_init_aal5()) or via atm_send_aal0(). This is invoked by drivers (like br2684, clip, pppoatm, ...) which are called from net_device_ops::ndo_start_xmit with BH disabled. Add atmdev_ops::send_bh which is used by callers from BH context (atm_send_aal*()) and if this callback missing then ::send is used instead. Implement this callback in nicstar and use it to replace in_interrupt(). Cc: Chas Williams <3chas3@gmail.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-18Merge tag 'nfsd-5.10-2' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
Pull nfsd fix from Bruce Fields: "Just one quick fix for a tracing oops" * tag 'nfsd-5.10-2' of git://linux-nfs.org/~bfields/linux: SUNRPC: Fix oops in the rpc_xdr_buf event class
2020-11-18Merge tag 'linux-kselftest-kunit-fixes-5.10-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kunit fixes from Shuah Khan: "Several fixes to Kunit documentation and tools, and to not pollute the source directory. Also remove the incorrect kunit .gitattributes file" * tag 'linux-kselftest-kunit-fixes-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: fix display of failed expectations for strings kunit: tool: fix extra trailing \n in raw + parsed test output kunit: tool: print out stderr from make (like build warnings) KUnit: Docs: usage: wording fixes KUnit: Docs: style: fix some Kconfig example issues KUnit: Docs: fix a wording typo kunit: Do not pollute source directory with generated files (test.log) kunit: Do not pollute source directory with generated files (.kunitconfig) kunit: tool: fix pre-existing python type annotation errors kunit: Fix kunit.py parse subcommand (use null build_dir) kunit: tool: unmark test_data as binary blobs
2020-11-18ptp: document struct ptp_clock_request membersAhmad Fatoum
It's arguable most people interested in configuring a PPS signal want it as external output, not as kernel input. PTP_CLK_REQ_PPS is for input though. Add documentation to nudge readers into the correct direction. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Acked-by: Richard Cochran <richardcochran@gmail.com> Link: https://lore.kernel.org/r/20201117213826.18235-1-a.fatoum@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-17net/tls: Fix wrong record sn in async mode of device resyncTariq Toukan
In async_resync mode, we log the TCP seq of records until the async request is completed. Later, in case one of the logged seqs matches the resync request, we return it, together with its record serial number. Before this fix, we mistakenly returned the serial number of the current record instead. Fixes: ed9b7646b06a ("net/tls: Add asynchronous resync") Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Boris Pismenny <borisp@nvidia.com> Link: https://lore.kernel.org/r/20201115131448.2702-1-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-17net: core: fix some kernel-doc markupsMauro Carvalho Chehab
Some identifiers have different names between their prototypes and the kernel-doc markup. In the specific case of netif_subqueue_stopped(), keep the current markup for __netif_subqueue_stopped(), adding a new one for netif_subqueue_stopped(). Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-17net: wan: Delete the DLCI / SDLA driversXie He
The DLCI driver (dlci.c) implements the Frame Relay protocol. However, we already have another newer and better implementation of Frame Relay provided by the HDLC_FR driver (hdlc_fr.c). The DLCI driver's implementation of Frame Relay is used by only one hardware driver in the kernel - the SDLA driver (sdla.c). The SDLA driver provides Frame Relay support for the Sangoma S50x devices. However, the vendor provides their own driver (along with their own multi-WAN-protocol implementations including Frame Relay), called WANPIPE. I believe most users of the hardware would use the vendor-provided WANPIPE driver instead. (The WANPIPE driver was even once in the kernel, but was deleted in commit 8db60bcf3021 ("[WAN]: Remove broken and unmaintained Sangoma drivers.") because the vendor no longer updated the in-kernel WANPIPE driver.) Cc: Mike McLagan <mike.mclagan@linux.org> Signed-off-by: Xie He <xie.he.0141@gmail.com> Link: https://lore.kernel.org/r/20201114150921.685594-1-xie.he.0141@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-17net: linux/skbuff.h: combine SKB_EXTENSIONS + KCOV handlingRandy Dunlap
The previous Kconfig patch led to some other build errors as reported by the 0day bot and my own overnight build testing. These are all in <linux/skbuff.h> when KCOV is enabled but SKB_EXTENSIONS is not enabled, so fix those by combining those conditions in the header file. Fixes: 6370cc3bbd8a ("net: add kcov handle to skb extensions") Fixes: 85ce50d337d1 ("net: kcov: don't select SKB_EXTENSIONS when there is no NET") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Aleksandr Nogikh <nogikh@google.com> Cc: Willem de Bruijn <willemb@google.com> Acked-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20201116212108.32465-1-rdunlap@infradead.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-16Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds
Pull vhost fixes from Michael Tsirkin: "Fixes all over the place, most notably vhost scsi IO error fixes" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost scsi: Add support for LUN resets. vhost scsi: add lun parser helper vhost scsi: fix cmd completion race vhost scsi: alloc cmds per vq instead of session vhost: add helper to check if a vq has been setup vdpasim: fix "mac_pton" undefined error swiotlb: using SIZE_MAX needs limits.h included
2020-11-16tcp: factor out __tcp_close() helperPaolo Abeni
unlocked version of protocol level close, will be used by MPTCP to allow decouple orphaning and subflow level close. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-16tcp: factor out tcp_build_frag()Paolo Abeni
Will be needed by the next patch, as MPTCP needs to handle directly the error/memory-allocation-needed path. No functional changes intended. Additionally let MPTCP code access the tcp_remove_empty_skb() helper. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-16ipv6/netfilter: Discard first fragment not including all headersGeorg Kohmann
Packets are processed even though the first fragment don't include all headers through the upper layer header. This breaks TAHI IPv6 Core Conformance Test v6LC.1.3.6. Referring to RFC8200 SECTION 4.5: "If the first fragment does not include all headers through an Upper-Layer header, then that fragment should be discarded and an ICMP Parameter Problem, Code 3, message should be sent to the source of the fragment, with the Pointer field set to zero." The fragment needs to be validated the same way it is done in commit 2efdaaaf883a ("IPv6: reply ICMP error if the first fragment don't include all headers") for ipv6. Wrap the validation into a common function, ipv6_frag_thdr_truncated() to check for truncation in the upper layer header. This validation does not fullfill all aspects of RFC 8200, section 4.5, but is at the moment sufficient to pass mentioned TAHI test. In netfilter, utilize the fragment offset returned by find_prev_fhdr() to let ipv6_frag_thdr_truncated() start it's traverse from the fragment header. Return 0 to drop the fragment in the netfilter. This is the same behaviour as used on other protocol errors in this function, e.g. when nf_ct_frag6_queue() returns -EPROTO. The Fragment will later be picked up by ipv6_frag_rcv() in reassembly.c. ipv6_frag_rcv() will then send an appropriate ICMP Parameter Problem message back to the source. References commit 2efdaaaf883a ("IPv6: reply ICMP error if the first fragment don't include all headers") Signed-off-by: Georg Kohmann <geokohma@cisco.com> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Link: https://lore.kernel.org/r/20201111115025.28879-1-geokohma@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-16PM: runtime: Add pm_runtime_resume_and_get to deal with usage counterZhang Qilong
In many case, we need to check return value of pm_runtime_get_sync, but it brings a trouble to the usage counter processing. Many callers forget to decrease the usage counter when it failed, which could resulted in reference leak. It has been discussed a lot[0][1]. So we add a function to deal with the usage counter for better coding. [0]https://lkml.org/lkml/2020/6/14/88 [1]https://patchwork.ozlabs.org/project/linux-tegra/list/?series=178139 Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-16treewide: rename nla_strlcpy to nla_strscpy.Francis Laniel
Calls to nla_strlcpy are now replaced by calls to nla_strscpy which is the new name of this function. Signed-off-by: Francis Laniel <laniel_francis@privacyrequired.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-16Modify return value of nla_strlcpy to match that of strscpy.Francis Laniel
nla_strlcpy now returns -E2BIG if src was truncated when written to dst. It also returns this error value if dstsize is 0 or higher than INT_MAX. For example, if src is "foo\0" and dst is 3 bytes long, the result will be: 1. "foG" after memcpy (G means garbage). 2. "fo\0" after memset. 3. -E2BIG is returned because src was not completely written into dst. The callers of nla_strlcpy were modified to take into account this modification. Signed-off-by: Francis Laniel <laniel_francis@privacyrequired.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-15Merge tag 'perf-urgent-2020-11-15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Thomas Gleixner: "A set of fixes for perf: - A set of commits which reduce the stack usage of various perf event handling functions which allocated large data structs on stack causing stack overflows in the worst case - Use the proper mechanism for detecting soft interrupts in the recursion protection - Make the resursion protection simpler and more robust - Simplify the scheduling of event groups to make the code more robust and prepare for fixing the issues vs. scheduling of exclusive event groups - Prevent event multiplexing and rotation for exclusive event groups - Correct the perf event attribute exclusive semantics to take pinned events, e.g. the PMU watchdog, into account - Make the anythread filtering conditional for Intel's generic PMU counters as it is not longer guaranteed to be supported on newer CPUs. Check the corresponding CPUID leaf to make sure - Fixup a duplicate initialization in an array which was probably caused by the usual 'copy & paste - forgot to edit' mishap" * tag 'perf-urgent-2020-11-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/uncore: Fix Add BW copypasta perf/x86/intel: Make anythread filter support conditional perf: Tweak perf_event_attr::exclusive semantics perf: Fix event multiplexing for exclusive groups perf: Simplify group_sched_in() perf: Simplify group_sched_out() perf/x86: Make dummy_iregs static perf/arch: Remove perf_sample_data::regs_user_copy perf: Optimize get_recursion_context() perf: Fix get_recursion_context() perf/x86: Reduce stack usage for x86_pmu::drain_pebs() perf: Reduce stack usage of perf_output_begin()
2020-11-15Merge branch 'for-5.10-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu Pull percpu fix and cleanup from Dennis Zhou: "A fix for a Wshadow warning in the asm-generic percpu macros came in and then I tacked on the removal of flexible array initializers in the percpu allocator" * 'for-5.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu: percpu: convert flexible array initializers to use struct_size() asm-generic: percpu: avoid Wshadow warning
2020-11-14tcp: avoid indirect call to tcp_stream_memory_free()Eric Dumazet
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-14tcp: uninline tcp_stream_memory_free()Eric Dumazet
Both IPv4 and IPv6 needs it via a function pointer. Following patch will avoid the indirect call. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-14Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge fixes from Andrew Morton: "14 patches. Subsystems affected by this patch series: mm (migration, vmscan, slub, gup, memcg, hugetlbfs), mailmap, kbuild, reboot, watchdog, panic, and ocfs2" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: ocfs2: initialize ip_next_orphan panic: don't dump stack twice on warn hugetlbfs: fix anon huge page migration race mm: memcontrol: fix missing wakeup polling thread kernel/watchdog: fix watchdog_allowed_mask not used warning reboot: fix overflow parsing reboot cpu number Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint" compiler.h: fix barrier_data() on clang mm/gup: use unpin_user_pages() in __gup_longterm_locked() mm/slub: fix panic in slab_alloc_node() mailmap: fix entry for Dmitry Baryshkov/Eremin-Solenikov mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit mm/compaction: stop isolation if too many pages are isolated and we have pages to migrate mm/compaction: count pages and stop correctly during page isolation
2020-11-14mm: memcontrol: fix missing wakeup polling threadMuchun Song
When we poll the swap.events, we can miss being woken up when the swap event occurs. Because we didn't notify. Fixes: f3a53a3a1e5b ("mm, memcontrol: implement memory.swap.events") Signed-off-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Roman Gushchin <guro@fb.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Yafang Shao <laoar.shao@gmail.com> Cc: Chris Down <chris@chrisdown.name> Cc: Tejun Heo <tj@kernel.org> Link: https://lkml.kernel.org/r/20201105161936.98312-1-songmuchun@bytedance.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-11-14compiler.h: fix barrier_data() on clangArvind Sankar
Commit 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h mutually exclusive") neglected to copy barrier_data() from compiler-gcc.h into compiler-clang.h. The definition in compiler-gcc.h was really to work around clang's more aggressive optimization, so this broke barrier_data() on clang, and consequently memzero_explicit() as well. For example, this results in at least the memzero_explicit() call in lib/crypto/sha256.c:sha256_transform() being optimized away by clang. Fix this by moving the definition of barrier_data() into compiler.h. Also move the gcc/clang definition of barrier() into compiler.h, __memory_barrier() is icc-specific (and barrier() is already defined using it in compiler-intel.h) and doesn't belong in compiler.h. [rdunlap@infradead.org: fix ALPHA builds when SMP is not enabled] Link: https://lkml.kernel.org/r/20201101231835.4589-1-rdunlap@infradead.org Fixes: 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h mutually exclusive") Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/20201014212631.207844-1-nivedita@alum.mit.edu Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-11-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski
Daniel Borkmann says: ==================== pull-request: bpf-next 2020-11-14 1) Add BTF generation for kernel modules and extend BTF infra in kernel e.g. support for split BTF loading and validation, from Andrii Nakryiko. 2) Support for pointers beyond pkt_end to recognize LLVM generated patterns on inlined branch conditions, from Alexei Starovoitov. 3) Implements bpf_local_storage for task_struct for BPF LSM, from KP Singh. 4) Enable FENTRY/FEXIT/RAW_TP tracing program to use the bpf_sk_storage infra, from Martin KaFai Lau. 5) Add XDP bulk APIs that introduce a defer/flush mechanism to optimize the XDP_REDIRECT path, from Lorenzo Bianconi. 6) Fix a potential (although rather theoretical) deadlock of hashtab in NMI context, from Song Liu. 7) Fixes for cross and out-of-tree build of bpftool and runqslower allowing build for different target archs on same source tree, from Jean-Philippe Brucker. 8) Fix error path in htab_map_alloc() triggered from syzbot, from Eric Dumazet. 9) Move functionality from test_tcpbpf_user into the test_progs framework so it can run in BPF CI, from Alexander Duyck. 10) Lift hashtab key_size limit to be larger than MAX_BPF_STACK, from Florian Lehner. Note that for the fix from Song we have seen a sparse report on context imbalance which requires changes in sparse itself for proper annotation detection where this is currently being discussed on linux-sparse among developers [0]. Once we have more clarification/guidance after their fix, Song will follow-up. [0] https://lore.kernel.org/linux-sparse/CAHk-=wh4bx8A8dHnX612MsDO13st6uzAz1mJ1PaHHVevJx_ZCw@mail.gmail.com/T/ https://lore.kernel.org/linux-sparse/20201109221345.uklbp3lzgq6g42zb@ltop.local/T/ * git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (66 commits) net: mlx5: Add xdp tx return bulking support net: mvpp2: Add xdp tx return bulking support net: mvneta: Add xdp tx return bulking support net: page_pool: Add bulk support for ptr_ring net: xdp: Introduce bulking for xdp tx return path bpf: Expose bpf_d_path helper to sleepable LSM hooks bpf: Augment the set of sleepable LSM hooks bpf: selftest: Use bpf_sk_storage in FENTRY/FEXIT/RAW_TP bpf: Allow using bpf_sk_storage in FENTRY/FEXIT/RAW_TP bpf: Rename some functions in bpf_sk_storage bpf: Folding omem_charge() into sk_storage_charge() selftests/bpf: Add asm tests for pkt vs pkt_end comparison. selftests/bpf: Add skb_pkt_end test bpf: Support for pointers beyond pkt_end. tools/bpf: Always run the *-clean recipes tools/bpf: Add bootstrap/ to .gitignore bpf: Fix NULL dereference in bpf_task_storage tools/bpftool: Fix build slowdown tools/runqslower: Build bpftool using HOSTCC tools/runqslower: Enable out-of-tree build ... ==================== Link: https://lore.kernel.org/r/20201114020819.29584-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-14net: page_pool: Add bulk support for ptr_ringLorenzo Bianconi
Introduce the capability to batch page_pool ptr_ring refill since it is usually run inside the driver NAPI tx completion loop. Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com> Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Link: https://lore.kernel.org/bpf/08dd249c9522c001313f520796faa777c4089e1c.1605267335.git.lorenzo@kernel.org
2020-11-14net: xdp: Introduce bulking for xdp tx return pathLorenzo Bianconi
XDP bulk APIs introduce a defer/flush mechanism to return pages belonging to the same xdp_mem_allocator object (identified via the mem.id field) in bulk to optimize I-cache and D-cache since xdp_return_frame is usually run inside the driver NAPI tx completion loop. The bulk queue size is set to 16 to be aligned to how XDP_REDIRECT bulking works. The bulk is flushed when it is full or when mem.id changes. xdp_frame_bulk is usually stored/allocated on the function call-stack to avoid locking penalties. Current implementation considers only page_pool memory model. Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com> Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Link: https://lore.kernel.org/bpf/e190c03eac71b20c8407ae0fc2c399eda7835f49.1605267335.git.lorenzo@kernel.org
2020-11-13ip_tunnels: Set tunnel option flag when tunnel metadata is presentYi-Hung Wei
Currently, we may set the tunnel option flag when the size of metadata is zero. For example, we set TUNNEL_GENEVE_OPT in the receive function no matter the geneve option is present or not. As this may result in issues on the tunnel flags consumers, this patch fixes the issue. Related discussion: * https://lore.kernel.org/netdev/1604448694-19351-1-git-send-email-yihung.wei@gmail.com/T/#u Fixes: 256c87c17c53 ("net: check tunnel option type in tunnel flags") Signed-off-by: Yi-Hung Wei <yihung.wei@gmail.com> Link: https://lore.kernel.org/r/1605053800-74072-1-git-send-email-yihung.wei@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-13Merge tag 'vfs-5.10-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds
Pull fs freeze fix and cleanups from Darrick Wong: "A single vfs fix for 5.10, along with two subsequent cleanups. A very long time ago, a hack was added to the vfs fs freeze protection code to work around lockdep complaints about XFS, which would try to run a transaction (which requires intwrite protection) to finalize an xfs freeze (by which time the vfs had already taken intwrite). Fast forward a few years, and XFS fixed the recursive intwrite problem on its own, and the hack became unnecessary. Fast forward almost a decade, and latent bugs in the code converting this hack from freeze flags to freeze locks combine with lockdep bugs to make this reproduce frequently enough to notice page faults racing with freeze. Since the hack is unnecessary and causes thread race errors, just get rid of it completely. Making this kind of vfs change midway through a cycle makes me nervous, but a large enough number of the usual VFS/ext4/XFS/btrfs suspects have said this looks good and solves a real problem vector. And once that removal is done, __sb_start_write is now simple enough that it becomes possible to refactor the function into smaller, simpler static inline helpers in linux/fs.h. The cleanup is straightforward. Summary: - Finally remove the "convert to trylock" weirdness in the fs freezer code. It was necessary 10 years ago to deal with nested transactions in XFS, but we've long since removed that; and now this is causing subtle race conditions when lockdep goes offline and sb_start_* aren't prepared to retry a trylock failure. - Minor cleanups of the sb_start_* fs freeze helpers" * tag 'vfs-5.10-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: vfs: move __sb_{start,end}_write* to fs.h vfs: separate __sb_start_write into blocking and non-blocking helpers vfs: remove lockdep bogosity in __sb_start_write
2020-11-13Merge tag 'block-5.10-2020-11-13' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: "A few small fixes: - NVMe pull request from Christoph: - don't clear the read-only bit on a revalidate (Sagi Grimberg) - nbd error case refcount leak (Christoph) - loop/generic uevent fix (Christoph, Petr)" * tag 'block-5.10-2020-11-13' of git://git.kernel.dk/linux-block: loop: Fix occasional uevent drop block: add a return value to set_capacity_revalidate_and_notify nbd: fix a block_device refcount leak in nbd_release nvme: fix incorrect behavior when BLKROSET is called by the user
2020-11-13net: Exempt multicast addresses from five-second neighbor lifetimeJeff Dike
Commit 58956317c8de ("neighbor: Improve garbage collection") guarantees neighbour table entries a five-second lifetime. Processes which make heavy use of multicast can fill the neighour table with multicast addresses in five seconds. At that point, neighbour entries can't be GC-ed because they aren't five seconds old yet, the kernel log starts to fill up with "neighbor table overflow!" messages, and sends start to fail. This patch allows multicast addresses to be thrown out before they've lived out their five seconds. This makes room for non-multicast addresses and makes messages to all addresses more reliable in these circumstances. Fixes: 58956317c8de ("neighbor: Improve garbage collection") Signed-off-by: Jeff Dike <jdike@akamai.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20201113015815.31397-1-jdike@akamai.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-13Merge tag 'mac80211-next-for-net-next-2020-11-13' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Some updates: * injection/radiotap updates for new test capabilities * remove WDS support - even years ago when we turned it off by default it was already basically unusable * support for HE (802.11ax) rates for beacons * support for some vendor-specific HE rates * many other small features/cleanups * tag 'mac80211-next-for-net-next-2020-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (21 commits) nl80211: fix kernel-doc warning in the new SAE attribute cfg80211: remove WDS code mac80211: remove WDS-related code rt2x00: remove WDS code b43legacy: remove WDS code b43: remove WDS code carl9170: remove WDS code ath9k: remove WDS code wireless: remove CONFIG_WIRELESS_WDS mac80211: assure that certain drivers adhere to DONT_REORDER flag mac80211: don't overwrite QoS TID of injected frames mac80211: adhere to Tx control flag that prevents frame reordering mac80211: add radiotap flag to assure frames are not reordered mac80211: save HE oper info in BSS config for mesh cfg80211: add support to configure HE MCS for beacon rate nl80211: fix beacon tx rate mask validation nl80211/cfg80211: fix potential infinite loop cfg80211: Add support to calculate and report 4096-QAM HE rates cfg80211: Add support to configure SAE PWE value to drivers ieee80211: Add definition for WFA DPP ... ==================== Link: https://lore.kernel.org/r/20201113101148.25268-1-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-13Merge tag 'gpio-v5.10-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Some GPIO fixes I've collected with the help of Bartosz. Nothing special about them: all are driver and kbuild fixes + some documentation fixes: - Tidy up a missed function call in the designware driver when converting to gpiolib irqchip - Fix some bitmasks in the Aspeed driver - Fix some kerneldoc warnings and minor bugs in the improved userspace API documentation - Revert the revert of the OMAP fix for lost edge wakeup interrupts: the fix needs to stay in - Fix a compile error when deselecting the character device - A bunch of IRQ fixes on the idio GPIO drivers - Fix an off-by-one error in the SiFive GPIO driver" * tag 'gpio-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: sifive: Fix SiFive gpio probe gpio: pcie-idio-24: Enable PEX8311 interrupts gpio: pcie-idio-24: Fix IRQ Enable Register value gpio: pcie-idio-24: Fix irq mask when masking gpiolib: fix sysfs when cdev is not selected Revert "Revert "gpio: omap: Fix lost edge wake-up interrupts"" gpio: uapi: clarify the meaning of 'empty' char arrays gpio: uapi: remove whitespace gpio: uapi: kernel-doc formatting improvements gpio: uapi: comment consistency gpio: uapi: fix kernel-doc warnings gpio: aspeed: fix ast2600 bank properties gpio: dwapb: Fix missing conversion to GPIO-lib-based IRQ-chip
2020-11-13bpf: Augment the set of sleepable LSM hooksKP Singh
Update the set of sleepable hooks with the ones that do not trigger a warning with might_fault() when exercised with the correct kernel config options enabled, i.e. DEBUG_ATOMIC_SLEEP=y LOCKDEP=y PROVE_LOCKING=y This means that a sleepable LSM eBPF program can be attached to these LSM hooks. A new helper method bpf_lsm_is_sleepable_hook is added and the set is maintained locally in bpf_lsm.c Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20201113005930.541956-2-kpsingh@chromium.org
2020-11-12bpf: Allow using bpf_sk_storage in FENTRY/FEXIT/RAW_TPMartin KaFai Lau
This patch enables the FENTRY/FEXIT/RAW_TP tracing program to use the bpf_sk_storage_(get|delete) helper, so those tracing programs can access the sk's bpf_local_storage and the later selftest will show some examples. The bpf_sk_storage is currently used in bpf-tcp-cc, tc, cg sockops...etc which is running either in softirq or task context. This patch adds bpf_sk_storage_get_tracing_proto and bpf_sk_storage_delete_tracing_proto. They will check in runtime that the helpers can only be called when serving softirq or running in a task context. That should enable most common tracing use cases on sk. During the load time, the new tracing_allowed() function will ensure the tracing prog using the bpf_sk_storage_(get|delete) helper is not tracing any bpf_sk_storage*() function itself. The sk is passed as "void *" when calling into bpf_local_storage. This patch only allows tracing a kernel function. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20201112211313.2587383-1-kafai@fb.com
2020-11-12Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-13bpf: Support for pointers beyond pkt_end.Alexei Starovoitov
This patch adds the verifier support to recognize inlined branch conditions. The LLVM knows that the branch evaluates to the same value, but the verifier couldn't track it. Hence causing valid programs to be rejected. The potential LLVM workaround: https://reviews.llvm.org/D87428 can have undesired side effects, since LLVM doesn't know that skb->data/data_end are being compared. LLVM has to introduce extra boolean variable and use inline_asm trick to force easier for the verifier assembly. Instead teach the verifier to recognize that r1 = skb->data; r1 += 10; r2 = skb->data_end; if (r1 > r2) { here r1 points beyond packet_end and subsequent if (r1 > r2) // always evaluates to "true". } Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Jiri Olsa <jolsa@redhat.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20201111031213.25109-2-alexei.starovoitov@gmail.com
2020-11-12net: usb: switch to dev_get_tstats64 and remove usbnet_get_stats64 aliasHeiner Kallweit
Replace usbnet_get_stats64() with new identical core function dev_get_tstats64() in all users and remove usbnet_get_stats64(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-12usbnet: switch to core handling of rx/tx byte/packet countersHeiner Kallweit
Use netdev->tstats instead of a member of usbnet for storing a pointer to the per-cpu counters. This allows us to use core functionality for statistics handling. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-12Merge tag 'net-5.10-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Current release - regressions: - arm64: dts: fsl-ls1028a-kontron-sl28: specify in-band mode for ENETC Current release - bugs in new features: - mptcp: provide rmem[0] limit offset to fix oops Previous release - regressions: - IPv6: Set SIT tunnel hard_header_len to zero to fix path MTU calculations - lan743x: correctly handle chips with internal PHY - bpf: Don't rely on GCC __attribute__((optimize)) to disable GCSE - mlx5e: Fix VXLAN port table synchronization after function reload Previous release - always broken: - bpf: Zero-fill re-used per-cpu map element - fix out-of-order UDP packets when forwarding with UDP GSO fraglists turned on: - fix UDP header access on Fast/frag0 UDP GRO - fix IP header access and skb lookup on Fast/frag0 UDP GRO - ethtool: netlink: add missing netdev_features_change() call - net: Update window_clamp if SOCK_RCVBUF is set - igc: Fix returning wrong statistics - ch_ktls: fix multiple leaks and corner cases in Chelsio TLS offload - tunnels: Fix off-by-one in lower MTU bounds for ICMP/ICMPv6 replies - r8169: disable hw csum for short packets on all chip versions - vrf: Fix fast path output packet handling with async Netfilter rules" * tag 'net-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits) lan743x: fix use of uninitialized variable net: udp: fix IP header access and skb lookup on Fast/frag0 UDP GRO net: udp: fix UDP header access on Fast/frag0 UDP GRO devlink: Avoid overwriting port attributes of registered port vrf: Fix fast path output packet handling with async Netfilter rules cosa: Add missing kfree in error path of cosa_write net: switch to the kernel.org patchwork instance ch_ktls: stop the txq if reaches threshold ch_ktls: tcb update fails sometimes ch_ktls/cxgb4: handle partial tag alone SKBs ch_ktls: don't free skb before sending FIN ch_ktls: packet handling prior to start marker ch_ktls: Correction in middle record handling ch_ktls: missing handling of header alone ch_ktls: Correction in trimmed_len calculation cxgb4/ch_ktls: creating skbs causes panic ch_ktls: Update cheksum information ch_ktls: Correction in finding correct length cxgb4/ch_ktls: decrypted bit is not enough net/x25: Fix null-ptr-deref in x25_connect ...
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