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2023-05-12Merge branch 'net-handshake-fixes'David S. Miller
Chuck Lever says: ==================== Bug fixes for net/handshake Please consider these for merge via net-next. Paolo observed that there is a possible leak of sock->file. I haven't looked into that yet, but it seems to be separate from the fixes in this series, so no need to hold these up. Changes since v2: - Address Paolo comment regarding handshake_dup() Changes since v1: - Rework "Fix handshake_dup() ref counting" - Unpin sock->file when a handshake is cancelled ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net/handshake: Enable the SNI extension to work properlyChuck Lever
Enable the upper layer protocol to specify the SNI peername. This avoids the need for tlshd to use a DNS lookup, which can return a hostname that doesn't match the incoming certificate's SubjectName. Fixes: 2fd5532044a8 ("net/handshake: Add a kernel API for requesting a TLSv1.3 handshake") Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net/handshake: Unpin sock->file if a handshake is cancelledChuck Lever
If user space never calls DONE, sock->file's reference count remains elevated. Enable sock->file to be freed eventually in this case. Reported-by: Jakub Kacinski <kuba@kernel.org> Fixes: 3b3009ea8abb ("net/handshake: Create a NETLINK service for handling handshake requests") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net/handshake: handshake_genl_notify() shouldn't ignore @flagsChuck Lever
Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Fixes: 3b3009ea8abb ("net/handshake: Create a NETLINK service for handling handshake requests") Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net/handshake: Fix uninitialized local variableChuck Lever
trace_handshake_cmd_done_err() simply records the pointer in @req, so initializing it to NULL is sufficient and safe. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Fixes: 3b3009ea8abb ("net/handshake: Create a NETLINK service for handling handshake requests") Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net/handshake: Fix handshake_dup() ref countingChuck Lever
If get_unused_fd_flags() fails, we ended up calling fput(sock->file) twice. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Suggested-by: Paolo Abeni <pabeni@redhat.com> Fixes: 3b3009ea8abb ("net/handshake: Create a NETLINK service for handling handshake requests") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net/handshake: Remove unneeded check from handshake_dup()Chuck Lever
handshake_req_submit() now verifies that the socket has a file. Fixes: 3b3009ea8abb ("net/handshake: Create a NETLINK service for handling handshake requests") Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12ipvlan: Remove NULL check before dev_{put, hold}Yang Li
The call netdev_{put, hold} of dev_{put, hold} will check NULL, so there is no need to check before using dev_{put, hold}, remove it to silence the warning: ./drivers/net/ipvlan/ipvlan_core.c:559:3-11: WARNING: NULL check before dev_{put, hold} functions is not needed. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4930 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12octeontx2-pf: mcs: Offload extended packet number(XPN) featureSubbaraya Sundeep
The macsec hardware block supports XPN cipher suites also. Hence added changes to offload XPN feature. Changes include configuring SecY policy to XPN cipher suite, Salt and SSCI values. 64 bit packet number is passed instead of 32 bit packet number. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-12net: samsung: sxgbe: Make sxgbe_drv_remove() return voidUwe Kleine-König
sxgbe_drv_remove() returned zero unconditionally, so it can be converted to return void without losing anything. The upside is that it becomes more obvious in its callers that there is no error to handle. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-11net: enc28j60: Use threaded interrupt instead of workqueuePhilipp Rosenberger
The Microchip ENC28J60 SPI Ethernet driver schedules a work item from the interrupt handler because accesses to the SPI bus may sleep. On PREEMPT_RT (which forces interrupt handling into threads) this old-fashioned approach unnecessarily increases latency because an interrupt results in first waking the interrupt thread, then scheduling the work item. So, a double indirection to handle an interrupt. Avoid by converting the driver to modern threaded interrupt handling. Signed-off-by: Philipp Rosenberger <p.rosenberger@kunbus.com> Signed-off-by: Zhi Han <hanzhi09@gmail.com> [lukas: rewrite commit message, linewrap request_threaded_irq() call] Signed-off-by: Lukas Wunner <lukas@wunner.de> Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com> Link: https://lore.kernel.org/r/342380d989ce26bc49f0e5d45fbb0416a5f7809f.1683606193.git.lukas@wunner.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes. No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-11Merge tag 'net-6.4-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from netfilter. Current release - regressions: - mtk_eth_soc: fix NULL pointer dereference Previous releases - regressions: - core: - skb_partial_csum_set() fix against transport header magic value - fix load-tearing on sk->sk_stamp in sock_recv_cmsgs(). - annotate sk->sk_err write from do_recvmmsg() - add vlan_get_protocol_and_depth() helper - netlink: annotate accesses to nlk->cb_running - netfilter: always release netdev hooks from notifier Previous releases - always broken: - core: deal with most data-races in sk_wait_event() - netfilter: fix possible bug_on with enable_hooks=1 - eth: bonding: fix send_peer_notif overflow - eth: xpcs: fix incorrect number of interfaces - eth: ipvlan: fix out-of-bounds caused by unclear skb->cb - eth: stmmac: Initialize MAC_ONEUS_TIC_COUNTER register" * tag 'net-6.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (31 commits) af_unix: Fix data races around sk->sk_shutdown. af_unix: Fix a data race of sk->sk_receive_queue->qlen. net: datagram: fix data-races in datagram_poll() net: mscc: ocelot: fix stat counter register values ipvlan:Fix out-of-bounds caused by unclear skb->cb docs: networking: fix x25-iface.rst heading & index order gve: Remove the code of clearing PBA bit tcp: add annotations around sk->sk_shutdown accesses net: add vlan_get_protocol_and_depth() helper net: pcs: xpcs: fix incorrect number of interfaces net: deal with most data-races in sk_wait_event() net: annotate sk->sk_err write from do_recvmmsg() netlink: annotate accesses to nlk->cb_running kselftest: bonding: add num_grat_arp test selftests: forwarding: lib: add netns support for tc rule handle stats get Documentation: bonding: fix the doc of peer_notif_delay bonding: fix send_peer_notif overflow net: ethernet: mtk_eth_soc: fix NULL pointer dereference selftests: nft_flowtable.sh: check ingress/egress chain too selftests: nft_flowtable.sh: monitor result file sizes ...
2023-05-11Merge tag 'media/v6.4-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: - fix some unused-variable warning in mtk-mdp3 - ignore unused suspend operations in nxp - some driver fixes in rcar-vin * tag 'media/v6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: media: platform: mtk-mdp3: work around unused-variable warning media: nxp: ignore unused suspend operations media: rcar-vin: Select correct interrupt mode for V4L2_FIELD_ALTERNATE media: rcar-vin: Fix NV12 size alignment media: rcar-vin: Gen3 can not scale NV12
2023-05-11wifi: rtw89: suppress the log for specific SER called CMDPSR_FRZTOChin-Yen Lee
For 8852CE, there is abnormal state called CMDPSR_FRZTO, which occasionally happens in some platforms, and could be found by firmware and fixed in current SER flow, so we add suppress function to avoid verbose message for this resolved case. Signed-off-by: Chin-Yen Lee <timlee@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508084335.42953-4-pkshih@realtek.com
2023-05-11wifi: rtw89: ser: L1 add pre-M0 and post-M0 statesZong-Zhe Yang
Newer FW re-design SER (syetem error recovery) L1 (level 1) flow. New L1 flow will expect two extra states before original L1 flow. * Before: fw --- M1 --> driver fw <-- M2 --- driver fw --- M3 --> driver fw <-- M4 --- driver fw --- M5 --> driver * After: fw --- pre-M0 --> driver fw <-- post-M0 --- driver fw --- M1 --> driver fw <-- M2 --- driver fw --- M3 --> driver fw <-- M4 --- driver fw --- M5 --> driver Then before M1, FW gets one more interval to deal with things that FW should have handled well. To consider backward/forward compatibility, FW and driver won't change flow from M1 to M5. (only except that halt trigger control will change a little bit.) So, there will be two differnt starting points of SER L1. * old FW: SER L1 starts from M1 * new FW: SER L1 starts from pre-M0 Then, driver adds the new SER L1 entry and also keep the original one instead of changing it. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508084335.42953-3-pkshih@realtek.com
2023-05-11wifi: rtw89: pci: fix interrupt enable mask for HALT C2H of RTL8851BZong-Zhe Yang
RTL8851B keeps almost the same interrupt flow as RTL8852A and RTL8852B. But, it uses a different bitmask for interrupt indicator of FW HALT C2H. So, we make a chip judgement in pci when configuring interrupt mask. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508084335.42953-2-pkshih@realtek.com
2023-05-11wifi: rtw89: support U-NII-4 channels on 5GHz bandZong-Zhe Yang
U-NII-4 band, i.e 5.9GHz channels, can be supported by chip 8852C, 8852B and 8851B. But, it is not supported by chip 8852A. Flag support_unii4 is added in chip info and defined by chip accordingly to indicate that. We reference this flag of runtime chip to decide whether to register 5.9GHz channels. After that, we consider if U-NII-4 band is allowed by our regulatory rule of U-NII-4. If chip::support_unii4 but not regd::allow_unii4, we stll do not register 5.9GHz channels. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508081211.38760-4-pkshih@realtek.com
2023-05-11wifi: rtw89: regd: judge UNII-4 according to BIOS and chipZong-Zhe Yang
For realtek regulatory, there are following two kinds of configurations to determine whether to allow UNII-4 band, i.e. 5.9GHz channels. 1. default setting according to whether chip support it or not 2. evaluate realtek ACPI DSM with RTW89_ACPI_DSM_FUNC_59G_EN (func. 6) If (1) is false, we won't try (2) and just disallow UNII-4. Otherwise, if (2) is not supported or returns a non-specific value, we follow the default setting either. Besides, this commit aims to add decision logic in rtw89 regulatory. Actually, driver doesn't register UNII-4 yet. That will be handled by another commit. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508081211.38760-3-pkshih@realtek.com
2023-05-11wifi: rtw89: introduce realtek ACPI DSM methodZong-Zhe Yang
Introduce realtek ACPI DSM method to get required BIOS configurations. It will be used in the following commits. And, enum rtw89_acpi_dsm_func is added for listing the functions which are currently recognized. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508081211.38760-2-pkshih@realtek.com
2023-05-11wifi: mwifiex: Fix the size of a memory allocation in mwifiex_ret_802_11_scan()Christophe JAILLET
The type of "mwifiex_adapter->nd_info" is "struct cfg80211_wowlan_nd_info", not "struct cfg80211_wowlan_nd_match". Use struct_size() to ease the computation of the needed size. The current code over-allocates some memory, so is safe. But it wastes 32 bytes. Fixes: 7d7f07d8c5d3 ("mwifiex: add wowlan net-detect support") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/7a6074fb056d2181e058a3cc6048d8155c20aec7.1683371982.git.christophe.jaillet@wanadoo.fr
2023-05-11wifi: rtw88: unlock on error path in rtw_ops_add_interface()Dan Carpenter
Call mutex_unlock(&rtwdev->mutex); before returning on this error path. Fixes: f0e741e4ddbc ("wifi: rtw88: add bitmap for dynamic port settings") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/ddd10a74-5982-4f65-8c59-c1cca558d239@kili.mountain
2023-05-11wifi: wilc1000: Increase ASSOC response bufferAmisha Patel
In recent access points, information element is longer as they include additional data which exceeds 256 bytes. To accommodate longer association response, increase the ASSOC response buffer. Signed-off-by: Amisha Patel <amisha.patel@microchip.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230509172811.4953-1-amisha.patel@microchip.com
2023-05-11wifi: wilc1000: fix for absent RSN capabilities WFA testcaseAmisha Patel
Mandatory WFA testcase CT_Security_WPA2Personal_STA_RSNEBoundsVerification-AbsentRSNCap, performs bounds verfication on Beacon and/or Probe response frames. It failed and observed the reason to be absence of cipher suite and AKM suite in RSN information. To fix this, enable the RSN flag before extracting RSN capabilities. Fixes: cd21d99e595e ("wifi: wilc1000: validate pairwise and authentication suite offsets") Signed-off-by: Amisha Patel <amisha.patel@microchip.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230421181005.4865-1-amisha.patel@microchip.com
2023-05-11Merge branch 'net-mvneta-reduce-size-of-tso-header-allocation'Paolo Abeni
Russell King says: ==================== net: mvneta: reduce size of TSO header allocation With reference to https://forum.turris.cz/t/random-kernel-exceptions-on-hbl-tos-7-0/18865/ https://github.com/openwrt/openwrt/pull/12375#issuecomment-1528842334 It appears that mvneta attempts an order-6 allocation for the TSO header memory. While this succeeds early on in the system's life time, trying order-6 allocations later can result in failure due to memory fragmentation. Firstly, the reason it's so large is that we take the number of transmit descriptors, and allocate a TSO header buffer for each, and each TSO header is 256 bytes. The driver uses a simple mechanism to determine the address - it uses the transmit descriptor index as an index into the TSO header memory. (The first obvious question is: do there need to be this many? Won't each TSO header always have at least one bit of data to go with it? In other words, wouldn't the maximum number of TSO headers that a ring could accept be the number of ring entries divided by 2?) There is no real need for this memory to be an order-6 allocation, since nothing in hardware requires this buffer to be contiguous. Therefore, this series splits this order-6 allocation up into 32 order-1 allocations (8k pages on 4k page platforms), each giving 32 TSO headers per page. In order to do this, these patches: 1) fix a horrible transmit path error-cleanup bug - the existing code unmaps from the first descriptor that was allocated at interface bringup, not the first descriptor that the packet is using, resulting in the wrong descriptors being unmapped. 2) since xdp support was added, we now have buf->type which indicates what this transmit buffer contains. Use this to mark TSO header buffers. 3) get rid of IS_TSO_HEADER(), instead using buf->type to determine whether this transmit buffer needs to be DMA-unmapped. 4) move tso_build_hdr() into mvneta_tso_put_hdr() to keep all the TSO header building code together. 5) split the TSO header allocation into chunks of order-1 pages. This has now been tested by the Turris folk and has been found to fix the allocation error. ==================== Link: https://lore.kernel.org/r/ZFtuhJOC03qpASt2@shell.armlinux.org.uk Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-11net: mvneta: allocate TSO header DMA memory in chunksRussell King (Oracle)
Now that we no longer need to check whether the DMA address is within the TSO header DMA memory range for the queue, we can allocate the TSO header DMA memory in chunks rather than one contiguous order-6 chunk, which can stress the kernel's memory subsystems to allocate. Instead, use order-1 (8k) allocations, which will result in 32 order-1 pages containing 32 TSO headers. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-11net: mvneta: move tso_build_hdr() into mvneta_tso_put_hdr()Russell King (Oracle)
Move tso_build_hdr() into mvneta_tso_put_hdr() so that all the TSO header building code is in one place. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-11net: mvneta: use buf->type to determine whether to dma-unmapRussell King (Oracle)
Now that we use a different buffer type for TSO headers, we can use buf->type to determine whether the original buffer was DMA-mapped or not. The rules are: MVNETA_TYPE_XDP_TX - from a DMA pool, no unmap is required MVNETA_TYPE_XDP_NDO - dma_map_single()'d MVNETA_TYPE_SKB - normal skbuff, dma_map_single()'d MVNETA_TYPE_TSO - from the TSO buffer area This means we only need to call dma_unmap_single() on the XDP_NDO and SKB types of buffer, and we no longer need the private IS_TSO_HEADER() which relies on the TSO region being contiguously allocated. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-11net: mvneta: mark mapped and tso buffers separatelyRussell King (Oracle)
Mark dma-mapped skbs and TSO buffers separately, so we can use buf->type to identify their differences. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-11net: mvneta: fix transmit path dma-unmapping on errorRussell King (Oracle)
The transmit code assumes that the transmit descriptors that are used begin with the first descriptor in the ring, but this may not be the case. Fix this by providing a new function that dma-unmaps a range of numbered descriptor entries, and use that to do the unmapping. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-11tcp: make the first N SYN RTO backoffs linearDavid Morley
Currently the SYN RTO schedule follows an exponential backoff scheme, which can be unnecessarily conservative in cases where there are link failures. In such cases, it's better to aggressively try to retransmit packets, so it takes routers less time to find a repath with a working link. We chose a default value for this sysctl of 4, to follow the macOS and IOS backoff scheme of 1,1,1,1,1,2,4,8, ... MacOS and IOS have used this backoff schedule for over a decade, since before this 2009 IETF presentation discussed the behavior: https://www.ietf.org/proceedings/75/slides/tcpm-1.pdf This commit makes the SYN RTO schedule start with a number of linear backoffs given by the following sysctl: * tcp_syn_linear_timeouts This changes the SYN RTO scheme to be: init_rto_val for tcp_syn_linear_timeouts, exp backoff starting at init_rto_val For example if init_rto_val = 1 and tcp_syn_linear_timeouts = 2, our backoff scheme would be: 1, 1, 1, 2, 4, 8, 16, ... Signed-off-by: David Morley <morleyd@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Tested-by: David Morley <morleyd@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230509180558.2541885-1-morleyd.kernel@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-05-10net: wwan: iosm: clean up unused struct membersM Chetan Kumar
Below members are unused. - td_tag member defined in struct ipc_pipe. - adb_finish_timer & params defined in struct iosm_mux. Remove it to avoid unexpected usage. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/92ee483d79dfc871ed7408da8fec60b395ff3a9c.1683649868.git.m.chetan.kumar@linux.intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10net: wwan: iosm: remove unused enum definitionM Chetan Kumar
ipc_time_unit enum is defined but not used. Remove it to avoid unexpected usage. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/8295a6138f13c686590ee4021384ee992f717408.1683649868.git.m.chetan.kumar@linux.intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10net: wwan: iosm: remove unused macro definitionM Chetan Kumar
IOSM_IF_ID_PAYLOAD is defined but not used. Remove it to avoid unexpected usage. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/0697e811cb7f10b4fd8f99e66bda1329efdd3d1d.1683649868.git.m.chetan.kumar@linux.intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10Merge tag 'nf-23-05-10' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf Pablo Neira Ayuso says: ==================== Netfilter updates for net The following patchset contains Netfilter fixes for net: 1) Fix UAF when releasing netnamespace, from Florian Westphal. 2) Fix possible BUG_ON when nf_conntrack is enabled with enable_hooks, from Florian Westphal. 3) Fixes for nft_flowtable.sh selftest, from Boris Sukholitko. 4) Extend nft_flowtable.sh selftest to cover integration with ingress/egress hooks, from Florian Westphal. * tag 'nf-23-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: selftests: nft_flowtable.sh: check ingress/egress chain too selftests: nft_flowtable.sh: monitor result file sizes selftests: nft_flowtable.sh: wait for specific nc pids selftests: nft_flowtable.sh: no need for ps -x option selftests: nft_flowtable.sh: use /proc for pid checking netfilter: conntrack: fix possible bug_on with enable_hooks=1 netfilter: nf_tables: always release netdev hooks from notifier ==================== Link: https://lore.kernel.org/r/20230510083313.152961-1-pablo@netfilter.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10Merge branch 'af_unix-fix-two-data-races-reported-by-kcsan'Jakub Kicinski
Kuniyuki Iwashima says: ==================== af_unix: Fix two data races reported by KCSAN. KCSAN reported data races around these two fields for AF_UNIX sockets. * sk->sk_receive_queue->qlen * sk->sk_shutdown Let's annotate them properly. ==================== Link: https://lore.kernel.org/r/20230510003456.42357-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10af_unix: Fix data races around sk->sk_shutdown.Kuniyuki Iwashima
KCSAN found a data race around sk->sk_shutdown where unix_release_sock() and unix_shutdown() update it under unix_state_lock(), OTOH unix_poll() and unix_dgram_poll() read it locklessly. We need to annotate the writes and reads with WRITE_ONCE() and READ_ONCE(). BUG: KCSAN: data-race in unix_poll / unix_release_sock write to 0xffff88800d0f8aec of 1 bytes by task 264 on cpu 0: unix_release_sock+0x75c/0x910 net/unix/af_unix.c:631 unix_release+0x59/0x80 net/unix/af_unix.c:1042 __sock_release+0x7d/0x170 net/socket.c:653 sock_close+0x19/0x30 net/socket.c:1397 __fput+0x179/0x5e0 fs/file_table.c:321 ____fput+0x15/0x20 fs/file_table.c:349 task_work_run+0x116/0x1a0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x174/0x180 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:297 do_syscall_64+0x4b/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x72/0xdc read to 0xffff88800d0f8aec of 1 bytes by task 222 on cpu 1: unix_poll+0xa3/0x2a0 net/unix/af_unix.c:3170 sock_poll+0xcf/0x2b0 net/socket.c:1385 vfs_poll include/linux/poll.h:88 [inline] ep_item_poll.isra.0+0x78/0xc0 fs/eventpoll.c:855 ep_send_events fs/eventpoll.c:1694 [inline] ep_poll fs/eventpoll.c:1823 [inline] do_epoll_wait+0x6c4/0xea0 fs/eventpoll.c:2258 __do_sys_epoll_wait fs/eventpoll.c:2270 [inline] __se_sys_epoll_wait fs/eventpoll.c:2265 [inline] __x64_sys_epoll_wait+0xcc/0x190 fs/eventpoll.c:2265 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x72/0xdc value changed: 0x00 -> 0x03 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 222 Comm: dbus-broker Not tainted 6.3.0-rc7-02330-gca6270c12e20 #2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 Fixes: 3c73419c09a5 ("af_unix: fix 'poll for write'/ connected DGRAM sockets") Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Michal Kubiak <michal.kubiak@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10af_unix: Fix a data race of sk->sk_receive_queue->qlen.Kuniyuki Iwashima
KCSAN found a data race of sk->sk_receive_queue->qlen where recvmsg() updates qlen under the queue lock and sendmsg() checks qlen under unix_state_sock(), not the queue lock, so the reader side needs READ_ONCE(). BUG: KCSAN: data-race in __skb_try_recv_from_queue / unix_wait_for_peer write (marked) to 0xffff888019fe7c68 of 4 bytes by task 49792 on cpu 0: __skb_unlink include/linux/skbuff.h:2347 [inline] __skb_try_recv_from_queue+0x3de/0x470 net/core/datagram.c:197 __skb_try_recv_datagram+0xf7/0x390 net/core/datagram.c:263 __unix_dgram_recvmsg+0x109/0x8a0 net/unix/af_unix.c:2452 unix_dgram_recvmsg+0x94/0xa0 net/unix/af_unix.c:2549 sock_recvmsg_nosec net/socket.c:1019 [inline] ____sys_recvmsg+0x3a3/0x3b0 net/socket.c:2720 ___sys_recvmsg+0xc8/0x150 net/socket.c:2764 do_recvmmsg+0x182/0x560 net/socket.c:2858 __sys_recvmmsg net/socket.c:2937 [inline] __do_sys_recvmmsg net/socket.c:2960 [inline] __se_sys_recvmmsg net/socket.c:2953 [inline] __x64_sys_recvmmsg+0x153/0x170 net/socket.c:2953 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x72/0xdc read to 0xffff888019fe7c68 of 4 bytes by task 49793 on cpu 1: skb_queue_len include/linux/skbuff.h:2127 [inline] unix_recvq_full net/unix/af_unix.c:229 [inline] unix_wait_for_peer+0x154/0x1a0 net/unix/af_unix.c:1445 unix_dgram_sendmsg+0x13bc/0x14b0 net/unix/af_unix.c:2048 sock_sendmsg_nosec net/socket.c:724 [inline] sock_sendmsg+0x148/0x160 net/socket.c:747 ____sys_sendmsg+0x20e/0x620 net/socket.c:2503 ___sys_sendmsg+0xc6/0x140 net/socket.c:2557 __sys_sendmmsg+0x11d/0x370 net/socket.c:2643 __do_sys_sendmmsg net/socket.c:2672 [inline] __se_sys_sendmmsg net/socket.c:2669 [inline] __x64_sys_sendmmsg+0x58/0x70 net/socket.c:2669 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x72/0xdc value changed: 0x0000000b -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 49793 Comm: syz-executor.0 Not tainted 6.3.0-rc7-02330-gca6270c12e20 #2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Michal Kubiak <michal.kubiak@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10net: datagram: fix data-races in datagram_poll()Eric Dumazet
datagram_poll() runs locklessly, we should add READ_ONCE() annotations while reading sk->sk_err, sk->sk_shutdown and sk->sk_state. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20230509173131.3263780-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-05-10MAINTAINERS: re-sort all entries and fieldsLinus Torvalds
It's been a few years since we've sorted this thing, and the end result is that we've added MAINTAINERS entries in the wrong order, and a number of entries have their fields in non-canonical order too. So roll this boulder up the hill one more time by re-running ./scripts/parse-maintainers.pl --order on it. This file ends up being fairly painful for merge conflicts even normally, since unlike almost all other kernel files it's one of those "everybody touches the same thing", and re-ordering all entries is only going to make that worse. But the alternative is to never do it at all, and just let it all rot.. The rc2 week is likely the quietest and least painful time to do this. Requested-by: Randy Dunlap <rdunlap@infradead.org> Requested-by: Joe Perches <joe@perches.com> # "Please use --order" Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-05-10Merge tag 'fsnotify_for_v6.4-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull inotify fix from Jan Kara: "A fix for possibly reporting invalid watch descriptor with inotify event" * tag 'fsnotify_for_v6.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: inotify: Avoid reporting event with invalid wd
2023-05-10Merge tag 'gfs2-v6.3-fix' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 fix from Andreas Gruenbacher: - Fix a NULL pointer dereference when mounting corrupted filesystems * tag 'gfs2-v6.3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: Don't deref jdesc in evict
2023-05-10gfs2: Don't deref jdesc in evictBob Peterson
On corrupt gfs2 file systems the evict code can try to reference the journal descriptor structure, jdesc, after it has been freed and set to NULL. The sequence of events is: init_journal() ... fail_jindex: gfs2_jindex_free(sdp); <------frees journals, sets jdesc = NULL if (gfs2_holder_initialized(&ji_gh)) gfs2_glock_dq_uninit(&ji_gh); fail: iput(sdp->sd_jindex); <--references jdesc in evict_linked_inode evict() gfs2_evict_inode() evict_linked_inode() ret = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); <------references the now freed/zeroed sd_jdesc pointer. The call to gfs2_trans_begin is done because the truncate_inode_pages call can cause gfs2 events that require a transaction, such as removing journaled data (jdata) blocks from the journal. This patch fixes the problem by adding a check for sdp->sd_jdesc to function gfs2_evict_inode. In theory, this should only happen to corrupt gfs2 file systems, when gfs2 detects the problem, reports it, then tries to evict all the system inodes it has read in up to that point. Reported-by: Yang Lan <lanyang0908@gmail.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2023-05-10Merge tag 'platform-drivers-x86-v6.4-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Hans de Goede: "Nothing special to report just various small fixes: - thinkpad_acpi: Fix profile (performance/bal/low-power) regression on T490 - misc other small fixes / hw-id additions" * tag 'platform-drivers-x86-v6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/mellanox: fix potential race in mlxbf-tmfifo driver platform/x86: touchscreen_dmi: Add info for the Dexp Ursus KX210i platform/x86: touchscreen_dmi: Add upside-down quirk for GDIX1002 ts on the Juno Tablet platform/x86: thinkpad_acpi: Add profile force ability platform/x86: thinkpad_acpi: Fix platform profiles on T490 platform/x86: hp-wmi: add micmute to hp_wmi_keymap struct platform/x86/intel-uncore-freq: Return error on write frequency platform/x86: intel_scu_pcidrv: Add back PCI ID for Medfield
2023-05-10net: mscc: ocelot: fix stat counter register valuesColin Foster
Commit d4c367650704 ("net: mscc: ocelot: keep ocelot_stat_layout by reg address, not offset") organized the stats counters for Ocelot chips, namely the VSC7512 and VSC7514. A few of the counter offsets were incorrect, and were caught by this warning: WARNING: CPU: 0 PID: 24 at drivers/net/ethernet/mscc/ocelot_stats.c:909 ocelot_stats_init+0x1fc/0x2d8 reg 0x5000078 had address 0x220 but reg 0x5000079 has address 0x214, bulking broken! Fix these register offsets. Fixes: d4c367650704 ("net: mscc: ocelot: keep ocelot_stat_layout by reg address, not offset") Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-10sctp: fix a potential OOB access in sctp_sched_set_sched()Ilia.Gavrilov
The 'sched' index value must be checked before accessing an element of the 'sctp_sched_ops' array. Otherwise, it can lead to OOB access. Note that it's harmless since the 'sched' parameter is checked before calling 'sctp_sched_set_sched'. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE. Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Reviewed-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Ilia.Gavrilov <Ilia.Gavrilov@infotecs.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-10net: liquidio: lio_vf_main: Remove unnecessary (void*) conversionswuych
Pointer variables of void * type do not require type cast. Signed-off-by: wuych <yunchuan@nfschina.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-10macsec: Use helper macsec_netdev_priv for offload driversSubbaraya Sundeep
Now macsec on top of vlan can be offloaded to macsec offloading devices so that VLAN tag is sent in clear text on wire i.e, packet structure is DMAC|SMAC|VLAN|SECTAG. Offloading devices can simply enable NETIF_F_HW_MACSEC feature in netdev->vlan_features for this to work. But the logic in offloading drivers to retrieve the private structure from netdev needs to be changed to check whether the netdev received is real device or a vlan device and get private structure accordingly. This patch changes the offloading drivers to use helper macsec_netdev_priv instead of netdev_priv. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-10ipvlan:Fix out-of-bounds caused by unclear skb->cbt.feng
If skb enqueue the qdisc, fq_skb_cb(skb)->time_to_send is changed which is actually skb->cb, and IPCB(skb_in)->opt will be used in __ip_options_echo. It is possible that memcpy is out of bounds and lead to stack overflow. We should clear skb->cb before ip_local_out or ip6_local_out. v2: 1. clean the stack info 2. use IPCB/IP6CB instead of skb->cb crash on stable-5.10(reproduce in kasan kernel). Stack info: [ 2203.651571] BUG: KASAN: stack-out-of-bounds in __ip_options_echo+0x589/0x800 [ 2203.653327] Write of size 4 at addr ffff88811a388f27 by task swapper/3/0 [ 2203.655460] CPU: 3 PID: 0 Comm: swapper/3 Kdump: loaded Not tainted 5.10.0-60.18.0.50.h856.kasan.eulerosv2r11.x86_64 #1 [ 2203.655466] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.2-0-g5f4c7b1-20181220_000000-szxrtosci10000 04/01/2014 [ 2203.655475] Call Trace: [ 2203.655481] <IRQ> [ 2203.655501] dump_stack+0x9c/0xd3 [ 2203.655514] print_address_description.constprop.0+0x19/0x170 [ 2203.655530] __kasan_report.cold+0x6c/0x84 [ 2203.655586] kasan_report+0x3a/0x50 [ 2203.655594] check_memory_region+0xfd/0x1f0 [ 2203.655601] memcpy+0x39/0x60 [ 2203.655608] __ip_options_echo+0x589/0x800 [ 2203.655654] __icmp_send+0x59a/0x960 [ 2203.655755] nf_send_unreach+0x129/0x3d0 [nf_reject_ipv4] [ 2203.655763] reject_tg+0x77/0x1bf [ipt_REJECT] [ 2203.655772] ipt_do_table+0x691/0xa40 [ip_tables] [ 2203.655821] nf_hook_slow+0x69/0x100 [ 2203.655828] __ip_local_out+0x21e/0x2b0 [ 2203.655857] ip_local_out+0x28/0x90 [ 2203.655868] ipvlan_process_v4_outbound+0x21e/0x260 [ipvlan] [ 2203.655931] ipvlan_xmit_mode_l3+0x3bd/0x400 [ipvlan] [ 2203.655967] ipvlan_queue_xmit+0xb3/0x190 [ipvlan] [ 2203.655977] ipvlan_start_xmit+0x2e/0xb0 [ipvlan] [ 2203.655984] xmit_one.constprop.0+0xe1/0x280 [ 2203.655992] dev_hard_start_xmit+0x62/0x100 [ 2203.656000] sch_direct_xmit+0x215/0x640 [ 2203.656028] __qdisc_run+0x153/0x1f0 [ 2203.656069] __dev_queue_xmit+0x77f/0x1030 [ 2203.656173] ip_finish_output2+0x59b/0xc20 [ 2203.656244] __ip_finish_output.part.0+0x318/0x3d0 [ 2203.656312] ip_finish_output+0x168/0x190 [ 2203.656320] ip_output+0x12d/0x220 [ 2203.656357] __ip_queue_xmit+0x392/0x880 [ 2203.656380] __tcp_transmit_skb+0x1088/0x11c0 [ 2203.656436] __tcp_retransmit_skb+0x475/0xa30 [ 2203.656505] tcp_retransmit_skb+0x2d/0x190 [ 2203.656512] tcp_retransmit_timer+0x3af/0x9a0 [ 2203.656519] tcp_write_timer_handler+0x3ba/0x510 [ 2203.656529] tcp_write_timer+0x55/0x180 [ 2203.656542] call_timer_fn+0x3f/0x1d0 [ 2203.656555] expire_timers+0x160/0x200 [ 2203.656562] run_timer_softirq+0x1f4/0x480 [ 2203.656606] __do_softirq+0xfd/0x402 [ 2203.656613] asm_call_irq_on_stack+0x12/0x20 [ 2203.656617] </IRQ> [ 2203.656623] do_softirq_own_stack+0x37/0x50 [ 2203.656631] irq_exit_rcu+0x134/0x1a0 [ 2203.656639] sysvec_apic_timer_interrupt+0x36/0x80 [ 2203.656646] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 2203.656654] RIP: 0010:default_idle+0x13/0x20 [ 2203.656663] Code: 89 f0 5d 41 5c 41 5d 41 5e c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 1f 44 00 00 0f 00 2d 9f 32 57 00 fb f4 <c3> cc cc cc cc 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 be 08 [ 2203.656668] RSP: 0018:ffff88810036fe78 EFLAGS: 00000256 [ 2203.656676] RAX: ffffffffaf2a87f0 RBX: ffff888100360000 RCX: ffffffffaf290191 [ 2203.656681] RDX: 0000000000098b5e RSI: 0000000000000004 RDI: ffff88811a3c4f60 [ 2203.656686] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88811a3c4f63 [ 2203.656690] R10: ffffed10234789ec R11: 0000000000000001 R12: 0000000000000003 [ 2203.656695] R13: ffff888100360000 R14: 0000000000000000 R15: 0000000000000000 [ 2203.656729] default_idle_call+0x5a/0x150 [ 2203.656735] cpuidle_idle_call+0x1c6/0x220 [ 2203.656780] do_idle+0xab/0x100 [ 2203.656786] cpu_startup_entry+0x19/0x20 [ 2203.656793] secondary_startup_64_no_verify+0xc2/0xcb [ 2203.657409] The buggy address belongs to the page: [ 2203.658648] page:0000000027a9842f refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a388 [ 2203.658665] flags: 0x17ffffc0001000(reserved|node=0|zone=2|lastcpupid=0x1fffff) [ 2203.658675] raw: 0017ffffc0001000 ffffea000468e208 ffffea000468e208 0000000000000000 [ 2203.658682] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 2203.658686] page dumped because: kasan: bad access detected To reproduce(ipvlan with IPVLAN_MODE_L3): Env setting: ======================================================= modprobe ipvlan ipvlan_default_mode=1 sysctl net.ipv4.conf.eth0.forwarding=1 iptables -t nat -A POSTROUTING -s 20.0.0.0/255.255.255.0 -o eth0 -j MASQUERADE ip link add gw link eth0 type ipvlan ip -4 addr add 20.0.0.254/24 dev gw ip netns add net1 ip link add ipv1 link eth0 type ipvlan ip link set ipv1 netns net1 ip netns exec net1 ip link set ipv1 up ip netns exec net1 ip -4 addr add 20.0.0.4/24 dev ipv1 ip netns exec net1 route add default gw 20.0.0.254 ip netns exec net1 tc qdisc add dev ipv1 root netem loss 10% ifconfig gw up iptables -t filter -A OUTPUT -p tcp --dport 8888 -j REJECT --reject-with icmp-port-unreachable ======================================================= And then excute the shell(curl any address of eth0 can reach): for((i=1;i<=100000;i++)) do ip netns exec net1 curl x.x.x.x:8888 done ======================================================= Fixes: 2ad7bf363841 ("ipvlan: Initial check-in of the IPVLAN driver.") Signed-off-by: "t.feng" <fengtao40@huawei.com> Suggested-by: Florian Westphal <fw@strlen.de> Reviewed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-05-10docs: networking: fix x25-iface.rst heading & index orderRandy Dunlap
Fix the chapter heading for "X.25 Device Driver Interface" so that it does not contain a trailing '-' character, which makes Sphinx omit this heading from the contents. Reverse the order of the x25.rst and x25-iface.rst files in the index so that the project introduction (x25.rst) comes first. Fixes: 883780af7209 ("docs: networking: convert x25-iface.txt to ReST") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Martin Schiller <ms@dev.tdt.de> Cc: linux-x25@vger.kernel.org Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit (git 2.34.1) at 2025-07-16 19:09:03 +0000