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2020-04-24mac80211: sta_info: Add lockdep condition for RCU list usageMadhuparna Bhowmik
The function sta_info_get_by_idx() uses RCU list primitive. It is called with local->sta_mtx held from mac80211/cfg.c. Add lockdep expression to avoid any false positive RCU list warnings. Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> Link: https://lore.kernel.org/r/20200409082906.27427-1-madhuparnabhowmik10@gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-04-24mac80211: populate debugfs only after cfg80211 initJohannes Berg
When fixing the initialization race, we neglected to account for the fact that debugfs is initialized in wiphy_register(), and some debugfs things went missing (or rather were rerooted to the global debugfs root). Fix this by adding debugfs entries only after wiphy_register(). This requires some changes in the rate control code since it currently adds debugfs at alloc time, which can no longer be done after the reordering. Reported-by: Jouni Malinen <j@w1.fi> Reported-by: kernel test robot <rong.a.chen@intel.com> Reported-by: Hauke Mehrtens <hauke@hauke-m.de> Reported-by: Felix Fietkau <nbd@nbd.name> Cc: stable@vger.kernel.org Fixes: 52e04b4ce5d0 ("mac80211: fix race in ieee80211_register_hw()") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Sumit Garg <sumit.garg@linaro.org> Link: https://lore.kernel.org/r/20200423111344.0e00d3346f12.Iadc76a03a55093d94391fc672e996a458702875d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-04-24lib/mpi: Fix building for powerpc with clangNathan Chancellor
0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://github.com/ClangBuiltLinux/linux/issues/991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com
2020-04-24Merge tag 'drm-misc-fixes-2020-04-23' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes A few resources-related fixes (tidss, dp_mst, scheduler), probe fixes and DT bindings adjustments. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20200423103224.7hvyr3v7dmuny2bz@gilmour.lan
2020-04-24Merge tag 'drm-intel-fixes-2020-04-23' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Tigerlake Workaround - disabling media recompression (Matt) - Fix RPS interrupts for right GPU frequency (Chris) - HDCP fix prime check (Oliver) - Tigerlake Thunderbolt power well fix (Matt) - Tigerlake DP link training fixes (Jose) - Documentation sphinx build fix (Jani) - Fix enable_dpcd_backlight modparam (Lyude) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200423190246.GA1710303@intel.com
2020-04-24Merge tag 'amd-drm-fixes-5.7-2020-04-22' of ↵Dave Airlie
git://people.freedesktop.org/~agd5f/linux into drm-fixes amd-drm-fixes-5.7-2020-04-22: amdgpu: - Fix resume issue on renoir - Thermal fix for older CI dGPUs - Fix some fallout from dropping drm load/unload callbacks Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200422224647.617724-1-alexander.deucher@amd.com
2020-04-23net: bcmgenet: correct per TX/RX ring statisticsDoug Berger
The change to track net_device_stats per ring to better support SMP missed updating the rx_dropped member. The ndo_get_stats method is also needed to combine the results for ethtool statistics (-S) before filling in the ethtool structure. Fixes: 37a30b435b92 ("net: bcmgenet: Track per TX/RX rings statistics") Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23net: meth: remove spurious copyright textJonathan Corbet
Evidently, at some point in the pre-githistorious past, drivers/net/ethernet/sgi/meth.h somehow contained some code from the "snull" driver from the Linux Device Drivers book. A comment crediting that source, asserting copyright ownership by the LDD authors, and imposing the LDD2 license terms was duly added to the file. Any code that may have been derived from snull is long gone, and the distribution terms are not GPL-compatible. Since the copyright claim is not based in fact (if it ever was), simply remove it and the distribution terms as well. Reported-by: Jan Kiszka <jan.kiszka@siemens.com> Acked-by: Alessandro Rubini <rubini@gnudd.com> CC: Ralf Baechle <ralf@linux-mips.org> CC: Kate Stewart <kstewart@linuxfoundation.org> CC: "Fendt, Oliver" <oliver.fendt@siemens.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23net: phy: bcm84881: clear settings on link downRussell King
Clear the link partner advertisement, speed, duplex and pause when the link goes down, as other phylib drivers do. This avoids the stale link partner, speed and duplex settings being reported via ethtool. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23chcr: Fix CPU hard lockupRohit Maheshwari
Soft lock should be taken in place of hard lock. Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23net/x25: Fix x25_neigh refcnt leak when receiving frameXiyu Yang
x25_lapb_receive_frame() invokes x25_get_neigh(), which returns a reference of the specified x25_neigh object to "nb" with increased refcnt. When x25_lapb_receive_frame() returns, local variable "nb" becomes invalid, so the refcount should be decreased to keep refcount balanced. The reference counting issue happens in one path of x25_lapb_receive_frame(). When pskb_may_pull() returns false, the function forgets to decrease the refcnt increased by x25_get_neigh(), causing a refcnt leak. Fix this issue by calling x25_neigh_put() when pskb_may_pull() returns false. Fixes: cb101ed2c3c7 ("x25: Handle undersized/fragmented skbs") Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn> Signed-off-by: Xin Tan <tanxin.ctf@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23mptcp/pm_netlink.c : add check for nla_put_in/6_addrBo YU
Normal there should be checked for nla_put_in6_addr like other usage in net. Detected by CoverityScan, CID# 1461639 Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Signed-off-by: Bo YU <tsu.yubo@gmail.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23net: ethernet: ixp4xx: Add error handling in ixp4xx_eth_probe()Tang Bin
The function ixp4xx_eth_probe() does not perform sufficient error checking after executing devm_ioremap_resource(), which can result in crashes if a critical error path is encountered. Fixes: f458ac479777 ("ARM/net: ixp4xx: Pass ethernet physical base as resource") Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull SIGCHLD fix from Eric Biederman: "Christof Meerwald reported that do_notify_parent has not been successfully populating si_pid and si_uid for multi-threaded processes. This is the one-liner fix. Strictly speaking a one-liner plus comment" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: signal: Avoid corrupting si_pid and si_uid in do_notify_parent
2020-04-23cxgb4: fix adapter crash due to wrong MC sizeVishal Kulkarni
In the absence of MC1, the size calculation function cudbg_mem_region_size() was returing wrong MC size and resulted in adapter crash. This patch adds new argument to cudbg_mem_region_size() which will have actual size and returns error to caller in the absence of MC1. Fixes: a1c69520f785 ("cxgb4: collect MC memory dump") Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>" Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23Merge branch 'vxlan-geneve-use-the-correct-nlattr-array-for-extack'David S. Miller
Sabrina Dubroca says: ==================== net: vxlan/geneve: use the correct nlattr array for extack The ->validate callbacks for vxlan and geneve have a couple of typos in extack, where the nlattr array for IFLA_* attributes is used instead of the link-specific one. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23geneve: use the correct nlattr array in NL_SET_ERR_MSG_ATTRSabrina Dubroca
IFLA_GENEVE_* attributes are in the data array, which is correctly used when fetching the value, but not when setting the extended ack. Because IFLA_GENEVE_MAX < IFLA_MAX, we avoid out of bounds array accesses, but we don't provide a pointer to the invalid attribute to userspace. Fixes: a025fb5f49ad ("geneve: Allow configuration of DF behaviour") Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23vxlan: use the correct nlattr array in NL_SET_ERR_MSG_ATTRSabrina Dubroca
IFLA_VXLAN_* attributes are in the data array, which is correctly used when fetching the value, but not when setting the extended ack. Because IFLA_VXLAN_MAX < IFLA_MAX, we avoid out of bounds array accesses, but we don't provide a pointer to the invalid attribute to userspace. Fixes: 653ef6a3e4af ("vxlan: change vxlan_[config_]validate() to use netlink_ext_ack for error reporting") Fixes: b4d3069783bc ("vxlan: Allow configuration of DF behaviour") Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23mlxsw: Fix some IS_ERR() vs NULL bugsDan Carpenter
The mlxsw_sp_acl_rulei_create() function is supposed to return an error pointer from mlxsw_afa_block_create(). The problem is that these functions both return NULL instead of error pointers. Half the callers expect NULL and half expect error pointers so it could lead to a NULL dereference on failure. This patch changes both of them to return error pointers and changes all the callers which checked for NULL to check for IS_ERR() instead. Fixes: 4cda7d8d7098 ("mlxsw: core: Introduce flexible actions support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23net: phy: marvell10g: limit soft reset to 88x3310Baruch Siach
The MV_V2_PORT_CTRL_SWRST bit in MV_V2_PORT_CTRL is reserved on 88E2110. Setting SWRST on 88E2110 breaks packets transfer after interface down/up cycle. Fixes: 8f48c2ac85ed ("net: marvell10g: soft-reset the PHY when coming out of low power") Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-23Merge tag 'pci-v5.7-fixes-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: - Workaround Apex TPU class code issue that prevents resource assignment (Bjorn Helgaas) - Update MAINTAINERS to add Rob Herring for native PCI controller drivers (Lorenzo Pieralisi) * tag 'pci-v5.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: MAINTAINERS: Add Rob Herring and remove Andy Murray as PCI reviewers PCI: Move Apex Edge TPU class quirk to fix BAR assignment
2020-04-23Merge tag 'armsoc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC fixes from Arnd Bergmann: "A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I found after restarting my randconfig build testing that had been dormant for a while. On the Nokia N950/N9 phone, a DT fix is required to address a boot regression. For the bcm283x (Raspberry Pi), two DT fixes address minor issues" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: soc: imx8: select SOC_BUS soc: tegra: fix tegra_pmc_get_suspend_mode definition soc: fsl: dpio: avoid stack usage warning soc: fsl: dpio: fix incorrect pointer conversions ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y ARM: dts: bcm283x: Disable dsi0 node firmware: xilinx: make firmware_debugfs_root static drivers: soc: xilinx: fix firmware driver Kconfig dependency ARM: dts: bcm283x: Add cells encoding format to firmware bus ARM: dts: OMAP3: disable RNG on N950/N9
2020-04-23Merge tag 'nfsd-5.7-rc-1' of git://git.linux-nfs.org/projects/cel/cel-2.6Linus Torvalds
Pull nfsd fixes from Chuck Lever: "The first set of 5.7-rc fixes for NFS server issues. These were all unresolved at the time the 5.7 window opened, and needed some additional time to ensure they were correctly addressed. They are ready now. At the moment I know of one more urgent issue regarding the NFS server. A fix has been tested and is under review. I expect to send one more pull request, containing this fix (which now consists of 3 patches). Fixes: - Address several use-after-free and memory leak bugs - Prevent a backchannel livelock" * tag 'nfsd-5.7-rc-1' of git://git.linux-nfs.org/projects/cel/cel-2.6: svcrdma: Fix leak of svc_rdma_recv_ctxt objects svcrdma: Fix trace point use-after-free race SUNRPC: Fix backchannel RPC soft lockups SUNRPC/cache: Fix unsafe traverse caused double-free in cache_purge nfsd: memory corruption in nfsd4_lock()
2020-04-23Merge tag 'for-5.7-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat Pull exfat fixes from Namjae Jeon: - several bug fixes(broken mount discard option, remount failure, memory leak) - add missing MODULE_ALIAS_FS for automatically loading exfat module. - set s_time_gran and truncate atime with exfat timestamp granularity. * tag 'for-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat: exfat: truncate atimes to 2s granularity exfat: properly set s_time_gran exfat: remove 'bps' mount-option exfat: Unify access to the boot sector exfat: add missing MODULE_ALIAS_FS() exfat: Fix discard support
2020-04-23Merge tag 'rproc-v5.7-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc Pull remoteproc fixes from Bjorn Andersson: "This fixes a regression in the probe error path of the Qualcomm modem remoteproc driver and a mix up of phy_addr_t and dma_addr_t in the Mediatek SCP control driver" * tag 'rproc-v5.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: remoteproc: mtk_scp: use dma_addr_t for DMA API remoteproc: qcom_q6v5_mss: fix q6v5_probe() error paths remoteproc: qcom_q6v5_mss: fix a bug in q6v5_probe()
2020-04-23Merge tag 'audit-pr-20200422' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit Pull audit fix from Paul Moore: "One small audit patch fix, fixing a missing length check on input from userspace, nothing crazy" * tag 'audit-pr-20200422' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: audit: check the length of userspace generated audit records
2020-04-23Documentation: arm64: fix amu.rst doc warningsRandy Dunlap
Fix bullet list formatting to eliminate doc warnings: Documentation/arm64/amu.rst:26: WARNING: Unexpected indentation. Documentation/arm64/amu.rst:60: WARNING: Unexpected indentation. Documentation/arm64/amu.rst:81: WARNING: Unexpected indentation. Documentation/arm64/amu.rst:108: WARNING: Unexpected indentation. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Ionela Voinescu <ionela.voinescu@arm.com> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2020-04-23ata: sata_inic162x fix a spelling issueJohn Oldman
Fixed a warning message spelling issue. Signed-off-by: John Oldman <john.oldman@polehill.co.uk> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-23null_blk: Cleanup zoned device initializationDamien Le Moal
Move all zoned mode related code from null_blk_main.c to null_blk_zoned.c, avoiding an ugly #ifdef in the process. Rename null_zone_init() into null_init_zoned_dev(), null_zone_exit() into null_free_zoned_dev() and add the new function null_register_zoned_dev() to finalize the zoned dev setup before add_disk(). Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-23null_blk: Fix zoned command handlingDamien Le Moal
For write operations issued to a null_blk device with zoned mode enabled, the state and write pointer position of the zone targeted by the command should be checked before badblocks and memory backing are handled as the write may be first failed due to, for instance, a sector position not aligned with the zone write pointer. This order of checking for errors reflects more accuratly the behavior of physical zoned devices. Furthermore, the write pointer position of the target zone should be incremented only and only if no errors are reported by badblocks and memory backing handling. To fix this, introduce the small helper function null_process_cmd() which execute null_handle_badblocks() and null_handle_memory_backed() and use this function in null_zone_write() to correctly handle write requests to zoned null devices depending on the type and state of the write target zone. Also call this function in null_handle_zoned() to process read requests to zoned null devices. null_process_cmd() is called directly from null_handle_cmd() for regular null devices, resulting in no functional change for these type of devices. To have symmetric names, the function null_handle_zoned() is renamed to null_process_zoned_cmd(). Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-23Merge tag 'arm-soc/for-5.7/devicetree-fixes' of ↵Arnd Bergmann
https://github.com/Broadcom/stblinux into arm/fixes This pull request contains Broadcom ARM-based SoCs Device Tree fixes for 5.7, please pull the following: - Nicolas provides a fix for 55c7c0621078 ("ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations") which missed adding proper #address-cells and #size-cells properties and he also disables the DSI node which should have been disabled by default but was not. * tag 'arm-soc/for-5.7/devicetree-fixes' of https://github.com/Broadcom/stblinux: ARM: dts: bcm283x: Disable dsi0 node ARM: dts: bcm283x: Add cells encoding format to firmware bus Link: https://lore.kernel.org/r/20200417171725.1084-1-f.fainelli@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-04-23ALSA: hda: Always use jackpoll helper for jack update after resumeTakashi Iwai
HD-audio codec driver applies a tricky procedure to forcibly perform the runtime resume by mimicking the usage count even if the device has been runtime-suspended beforehand. This was needed to assure to trigger the jack detection update after the system resume. And recently we also applied the similar logic to the HD-audio controller side. However this seems leading to some inconsistency, and eventually PCI controller gets screwed up. This patch is an attempt to fix and clean up those behavior: instead of the tricky runtime resume procedure, the existing jackpoll work is scheduled when such a forced codec resume is required. The jackpoll work will power up the codec, and this alone should suffice for the jack status update in usual cases. If the extra polling is requested (by checking codec->jackpoll_interval), the manual update is invoked after that, and the codec is powered down again. Also, we filter the spurious wake up of the codec from the controller runtime resume by checking codec->relaxed_resume flag. If this flag is set, basically we don't need to wake up explicitly, but it's supposed to be done via the audio component notifier. Fixes: c4c8dd6ef807 ("ALSA: hda: Skip controller resume if not needed") Link: https://lore.kernel.org/r/20200422203744.26299-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-04-23mac80211_hwsim: use GFP_ATOMIC under spin lockWei Yongjun
A spin lock is taken here so we should use GFP_ATOMIC. Fixes: 5d44fe7c9808 ("mac80211_hwsim: add frame transmission support over virtio") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20200422020154.112088-1-weiyongjun1@huawei.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-04-23h8300: ignore vmlinux.ldsMasahiro Yamada
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-04-23ALSA: hda/realtek - Add new codec supported for ALC245Kailang Yang
Enable new codec supported for ALC245. Signed-off-by: Kailang Yang <kailang@realtek.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/8c0804738b2c42439f59c39c8437817f@realtek.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-04-23ALSA: usb-audio: Fix usb audio refcnt leak when getting spdifXiyu Yang
snd_microii_spdif_default_get() invokes snd_usb_lock_shutdown(), which increases the refcount of the snd_usb_audio object "chip". When snd_microii_spdif_default_get() returns, local variable "chip" becomes invalid, so the refcount should be decreased to keep refcount balanced. The reference counting issue happens in several exception handling paths of snd_microii_spdif_default_get(). When those error scenarios occur such as usb_ifnum_to_if() returns NULL, the function forgets to decrease the refcnt increased by snd_usb_lock_shutdown(), causing a refcnt leak. Fix this issue by jumping to "end" label when those error scenarios occur. Fixes: 447d6275f0c2 ("ALSA: usb-audio: Add sanity checks for endpoint accesses") Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn> Signed-off-by: Xin Tan <tanxin.ctf@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/1587617711-13200-1-git-send-email-xiyuyang19@fudan.edu.cn Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-04-22libbpf: Only check mode flags in get_xdp_idDavid Ahern
The commit in the Fixes tag changed get_xdp_id to only return prog_id if flags is 0, but there are other XDP flags than the modes - e.g., XDP_FLAGS_UPDATE_IF_NOEXIST. Since the intention was only to look at MODE flags, clear other ones before checking if flags is 0. Fixes: f07cbad29741 ("libbpf: Fix bpf_get_link_xdp_id flags handling") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrey Ignatov <rdna@fb.com>
2020-04-22ipv4: Update fib_select_default to handle nexthop objectsDavid Ahern
A user reported [0] hitting the WARN_ON in fib_info_nh: [ 8633.839816] ------------[ cut here ]------------ [ 8633.839819] WARNING: CPU: 0 PID: 1719 at include/net/nexthop.h:251 fib_select_path+0x303/0x381 ... [ 8633.839846] RIP: 0010:fib_select_path+0x303/0x381 ... [ 8633.839848] RSP: 0018:ffffb04d407f7d00 EFLAGS: 00010286 [ 8633.839850] RAX: 0000000000000000 RBX: ffff9460b9897ee8 RCX: 00000000000000fe [ 8633.839851] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 8633.839852] RBP: ffff946076049850 R08: 0000000059263a83 R09: ffff9460840e4000 [ 8633.839853] R10: 0000000000000014 R11: 0000000000000000 R12: ffffb04d407f7dc0 [ 8633.839854] R13: ffffffffa4ce3240 R14: 0000000000000000 R15: ffff9460b7681f60 [ 8633.839857] FS: 00007fcac2e02700(0000) GS:ffff9460bdc00000(0000) knlGS:0000000000000000 [ 8633.839858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8633.839859] CR2: 00007f27beb77e28 CR3: 0000000077734000 CR4: 00000000000006f0 [ 8633.839867] Call Trace: [ 8633.839871] ip_route_output_key_hash_rcu+0x421/0x890 [ 8633.839873] ip_route_output_key_hash+0x5e/0x80 [ 8633.839876] ip_route_output_flow+0x1a/0x50 [ 8633.839878] __ip4_datagram_connect+0x154/0x310 [ 8633.839880] ip4_datagram_connect+0x28/0x40 [ 8633.839882] __sys_connect+0xd6/0x100 ... The WARN_ON is triggered in fib_select_default which is invoked when there are multiple default routes. Update the function to use fib_info_nhc and convert the nexthop checks to use fib_nh_common. Add test case that covers the affected code path. [0] https://github.com/FRRouting/frr/issues/6089 Fixes: 493ced1ac47c ("ipv4: Allow routes to use nexthop objects") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22netlabel: Kconfig: Update reference for NetLabel Tools projectSalvatore Bonaccorso
The NetLabel Tools project has moved from http://netlabel.sf.net to a GitHub project. Update to directly refer to the new home for the tools. Signed-off-by: Salvatore Bonaccorso <carnil@debian.org> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22MAINTAINERS: update dpaa2-eth maintainer listIoana Ciornei
Add myself as another maintainer of dpaa2-eth. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22mptcp: fix data_fin handing in RX pathPaolo Abeni
The data fin flag is set only via a DSS option, but mptcp_incoming_options() copies it unconditionally from the provided RX options. Since we do not clear all the mptcp sock RX options in a socket free/alloc cycle, we can end-up with a stray data_fin value while parsing e.g. MPC packets. That would lead to mapping data corruption and will trigger a few WARN_ON() in the RX path. Instead of adding a costly memset(), fetch the data_fin flag only for DSS packets - when we always explicitly initialize such bit at option parsing time. Fixes: 648ef4b88673 ("mptcp: Implement MPTCP receive path") Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22vrf: Fix IPv6 with qdisc and xfrmDavid Ahern
When a qdisc is attached to the VRF device, the packet goes down the ndo xmit function which is setup to send the packet back to the VRF driver which does a lookup to send the packet out. The lookup in the VRF driver is not considering xfrm policies. Change it to use ip6_dst_lookup_flow rather than ip6_route_output. Fixes: 35402e313663 ("net: Add IPv6 support to VRF device") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22Documentation: add documentation of ping_group_rangeStephen Hemminger
Support for non-root users to send ICMP ECHO requests was added back in Linux 3.0 kernel, but the documentation for the sysctl to enable it has been missing. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22Merge branch 'sctp-fixes'David S. Miller
Jere Leppänen says: ==================== sctp: Fix problems with peer restart when in SHUTDOWN-PENDING state and socket is closed These patches are related to the scenario described in commit bdf6fa52f01b ("sctp: handle association restarts when the socket is closed."). To recap, when our association is in SHUTDOWN-PENDING state and we've closed our one-to-one socket, while the peer crashes without being detected, restarts and reconnects using the same addresses and ports, we start association shutdown. In this case, Cumulative TSN Ack in the SHUTDOWN that we send has always been incorrect. Additionally, bundling of the SHUTDOWN with the COOKIE-ACK was broken by a later commit. This series fixes both of these issues. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22sctp: Fix SHUTDOWN CTSN Ack in the peer restart caseJere Leppänen
When starting shutdown in sctp_sf_do_dupcook_a(), get the value for SHUTDOWN Cumulative TSN Ack from the new association, which is reconstructed from the cookie, instead of the old association, which the peer doesn't have anymore. Otherwise the SHUTDOWN is either ignored or replied to with an ABORT by the peer because CTSN Ack doesn't match the peer's Initial TSN. Fixes: bdf6fa52f01b ("sctp: handle association restarts when the socket is closed.") Signed-off-by: Jere Leppänen <jere.leppanen@nokia.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22sctp: Fix bundling of SHUTDOWN with COOKIE-ACKJere Leppänen
When we start shutdown in sctp_sf_do_dupcook_a(), we want to bundle the SHUTDOWN with the COOKIE-ACK to ensure that the peer receives them at the same time and in the correct order. This bundling was broken by commit 4ff40b86262b ("sctp: set chunk transport correctly when it's a new asoc"), which assigns a transport for the COOKIE-ACK, but not for the SHUTDOWN. Fix this by passing a reference to the COOKIE-ACK chunk as an argument to sctp_sf_do_9_2_start_shutdown() and onward to sctp_make_shutdown(). This way the SHUTDOWN chunk is assigned the same transport as the COOKIE-ACK chunk, which allows them to be bundled. In sctp_sf_do_9_2_start_shutdown(), the void *arg parameter was previously unused. Now that we're taking it into use, it must be a valid pointer to a chunk, or NULL. There is only one call site where it's not, in sctp_sf_autoclose_timer_expire(). Fix that too. Fixes: 4ff40b86262b ("sctp: set chunk transport correctly when it's a new asoc") Signed-off-by: Jere Leppänen <jere.leppanen@nokia.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22net: dsa: don't fail to probe if we couldn't set the MTUVladimir Oltean
There is no reason to fail the probing of the switch if the MTU couldn't be configured correctly (either the switch port itself, or the host port) for whatever reason. MTU-sized traffic probably won't work, sure, but we can still probably limp on and support some form of communication anyway, which the users would probably appreciate more. Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports") Reported-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22sched: etf: do not assume all sockets are full blownEric Dumazet
skb->sk does not always point to a full blown socket, we need to use sk_fullsock() before accessing fields which only make sense on full socket. BUG: KASAN: use-after-free in report_sock_error+0x286/0x300 net/sched/sch_etf.c:141 Read of size 1 at addr ffff88805eb9b245 by task syz-executor.5/9630 CPU: 1 PID: 9630 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xd3/0x315 mm/kasan/report.c:382 __kasan_report.cold+0x35/0x4d mm/kasan/report.c:511 kasan_report+0x33/0x50 mm/kasan/common.c:625 report_sock_error+0x286/0x300 net/sched/sch_etf.c:141 etf_enqueue_timesortedlist+0x389/0x740 net/sched/sch_etf.c:170 __dev_xmit_skb net/core/dev.c:3710 [inline] __dev_queue_xmit+0x154a/0x30a0 net/core/dev.c:4021 neigh_hh_output include/net/neighbour.h:499 [inline] neigh_output include/net/neighbour.h:508 [inline] ip6_finish_output2+0xfb5/0x25b0 net/ipv6/ip6_output.c:117 __ip6_finish_output+0x442/0xab0 net/ipv6/ip6_output.c:143 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x239/0x810 net/ipv6/ip6_output.c:176 dst_output include/net/dst.h:435 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip6_xmit+0xe1a/0x2090 net/ipv6/ip6_output.c:280 tcp_v6_send_synack+0x4e7/0x960 net/ipv6/tcp_ipv6.c:521 tcp_rtx_synack+0x10d/0x1a0 net/ipv4/tcp_output.c:3916 inet_rtx_syn_ack net/ipv4/inet_connection_sock.c:669 [inline] reqsk_timer_handler+0x4c2/0xb40 net/ipv4/inet_connection_sock.c:763 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1405 expire_timers kernel/time/timer.c:1450 [inline] __run_timers kernel/time/timer.c:1774 [inline] __run_timers kernel/time/timer.c:1741 [inline] run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1787 __do_softirq+0x26c/0x9f7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x192/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x19e/0x600 arch/x86/kernel/apic/apic.c:1140 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 </IRQ> RIP: 0010:des_encrypt+0x157/0x9c0 lib/crypto/des.c:792 Code: 85 22 06 00 00 41 31 dc 41 8b 4d 04 44 89 e2 41 83 e4 3f 4a 8d 3c a5 60 72 72 88 81 e2 3f 3f 3f 3f 48 89 f8 48 c1 e8 03 31 d9 <0f> b6 34 28 48 89 f8 c1 c9 04 83 e0 07 83 c0 03 40 38 f0 7c 09 40 RSP: 0018:ffffc90003b5f6c0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff10e4e55 RBX: 00000000d2f846d0 RCX: 00000000d2f846d0 RDX: 0000000012380612 RSI: ffffffff839863ca RDI: ffffffff887272a8 RBP: dffffc0000000000 R08: ffff888091d0a380 R09: 0000000000800081 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000012 R13: ffff8880a8ae8078 R14: 00000000c545c93e R15: 0000000000000006 cipher_crypt_one crypto/cipher.c:75 [inline] crypto_cipher_encrypt_one+0x124/0x210 crypto/cipher.c:82 crypto_cbcmac_digest_update+0x1b5/0x250 crypto/ccm.c:830 crypto_shash_update+0xc4/0x120 crypto/shash.c:119 shash_ahash_update+0xa3/0x110 crypto/shash.c:246 crypto_ahash_update include/crypto/hash.h:547 [inline] hash_sendmsg+0x518/0xad0 crypto/algif_hash.c:102 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x308/0x7e0 net/socket.c:2362 ___sys_sendmsg+0x100/0x170 net/socket.c:2416 __sys_sendmmsg+0x195/0x480 net/socket.c:2506 __do_sys_sendmmsg net/socket.c:2535 [inline] __se_sys_sendmmsg net/socket.c:2532 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2532 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c829 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6d9528ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00000000004fc080 RCX: 000000000045c829 RDX: 0000000000000001 RSI: 0000000020002640 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000008d7 R14: 00000000004cb7aa R15: 00007f6d9528f6d4 Fixes: 4b15c7075352 ("net/sched: Make etf report drops on error_queue") Fixes: 25db26a91364 ("net/sched: Introduce the ETF Qdisc") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Cc: Vinicius Costa Gomes <vinicius.gomes@intel.com> Reviewed-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22tracing: Convert local functions in tracing_map.c to staticJason Yan
Fix the following sparse warning: kernel/trace/tracing_map.c:286:6: warning: symbol 'tracing_map_array_clear' was not declared. Should it be static? kernel/trace/tracing_map.c:297:6: warning: symbol 'tracing_map_array_free' was not declared. Should it be static? kernel/trace/tracing_map.c:319:26: warning: symbol 'tracing_map_array_alloc' was not declared. Should it be static? Link: http://lkml.kernel.org/r/20200410073312.38855-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-04-22tracing: Remove DECLARE_TRACE_NOARGSNikolay Borisov
This macro was intentionally broken so that the kernel code is not poluted with such noargs macro used simply as markers. This use case can be satisfied by using dummy no inline functions. Just remove it. Link: http://lkml.kernel.org/r/20200413153246.8511-1-nborisov@suse.com Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
generated by cgit (git 2.34.1) at 2025-09-14 13:47:44 +0000