February 2022 - Linux-stable-mirror

[PATCH 5.10 000/121] 5.10.102-rc1 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 5.10.102 release. There are 121 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed, 23 Feb 2022 08:48:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.102-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 5.10.102-rc1 Cheng Jui Wang <cheng-jui.wang(a)mediatek.com> lockdep: Correct lock_classes index mapping Rafał Miłecki <rafal(a)milecki.pl> i2c: brcmstb: fix support for DSL and CM variants Waiman Long <longman(a)redhat.com> copy_process(): Move fd_install() out of sighand->siglock critical section Vladimir Zapolskiy <vladimir.zapolskiy(a)linaro.org> i2c: qcom-cci: don't put a device tree node before i2c_add_adapter() Vladimir Zapolskiy <vladimir.zapolskiy(a)linaro.org> i2c: qcom-cci: don't delete an unregistered adapter Jiasheng Jiang <jiasheng(a)iscas.ac.cn> dmaengine: sh: rcar-dmac: Check for error num after dma_set_max_seg_size Miaoqian Lin <linmq006(a)gmail.com> dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe Jiasheng Jiang <jiasheng(a)iscas.ac.cn> dmaengine: sh: rcar-dmac: Check for error num after setting mask Eric Dumazet <edumazet(a)google.com> net: sched: limit TC_ACT_REPEAT loops Eliav Farber <farbere(a)amazon.com> EDAC: Fix calculation of returned address and next offset in edac_align_ptr() James Smart <jsmart2021(a)gmail.com> scsi: lpfc: Fix pt2pt NVMe PRLI reject LOGO loop Jing Leng <jleng(a)ambarella.com> kconfig: fix failing to generate auto.conf Marc St-Amand <mstamand(a)ciena.com> net: macb: Align the dma and coherent dma masks Slark Xiao <slark_xiao(a)163.com> net: usb: qmi_wwan: Add support for Dell DW5829e JaeSang Yoo <js.yoo.5b(a)gmail.com> tracing: Fix tp_printk option related with tp_printk_stop_on_boot Sascha Hauer <s.hauer(a)pengutronix.de> drm/rockchip: dw_hdmi: Do not leave clock enabled in error case Dan Aloni <dan.aloni(a)vastdata.com> xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create Jae Hyun Yoo <jae.hyun.yoo(a)linux.intel.com> soc: aspeed: lpc-ctrl: Block error printing on probe defer cases Zoltán Böszörményi <zboszor(a)gmail.com> ata: libata-core: Disable TRIM on M88V29 Brenda Streiff <brenda.streiff(a)ni.com> kconfig: let 'shell' return enough output for deep path names Axel Rasmussen <axelrasmussen(a)google.com> selftests: fixup build warnings in pidfd / clone3 tests Axel Rasmussen <axelrasmussen(a)google.com> pidfd: fix test failure due to stack overflow on some arches Christian Hewitt <christianshewitt(a)gmail.com> arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610 Christian Hewitt <christianshewitt(a)gmail.com> arm64: dts: meson-g12: add ATF BL32 reserved-memory region Christian Hewitt <christianshewitt(a)gmail.com> arm64: dts: meson-gx: add ATF BL32 reserved-memory region Florian Westphal <fw(a)strlen.de> netfilter: conntrack: don't refresh sctp entries in closed state Guo Ren <guoren(a)linux.alibaba.com> irqchip/sifive-plic: Add missing thead,c900-plic match string Al Cooper <alcooperx(a)gmail.com> phy: usb: Leave some clocks running during suspend Ye Guojin <ye.guojin(a)zte.com.cn> ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of Wan Jiabing <wanjiabing(a)vivo.com> ARM: OMAP2+: hwmod: Add of_node_put() before break Trond Myklebust <trond.myklebust(a)hammerspace.com> NFS: Don't set NFS_INO_INVALID_XATTR if there is no xattr cache Jim Mattson <jmattson(a)google.com> KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW Jim Mattson <jmattson(a)google.com> KVM: x86/pmu: Don't truncate the PerfEvtSeln MSR when creating a perf event Like Xu <likexu(a)tencent.com> KVM: x86/pmu: Refactoring find_arch_event() to pmc_perf_hw_id() Miaoqian Lin <linmq006(a)gmail.com> Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj david regan <dregan(a)mail.com> mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status Bryan O'Donoghue <bryan.odonoghue(a)linaro.org> mtd: rawnand: qcom: Fix clock sequencing in qcom_nandc_probe() Linus Torvalds <torvalds(a)linux-foundation.org> tty: n_tty: do not look ahead for EOL character past the end of the buffer Trond Myklebust <trond.myklebust(a)hammerspace.com> NFS: Do not report writeback errors in nfs_getattr() Trond Myklebust <trond.myklebust(a)hammerspace.com> NFS: LOOKUP_DIRECTORY is also ok with symlinks Laibin Qiu <qiulaibin(a)huawei.com> block/wbt: fix negative inflight counter when remove scsi device Martin Povišer <povik+lin(a)cutebit.org> ASoC: tas2770: Insert post reset delay Jens Wiklander <jens.wiklander(a)linaro.org> optee: use driver internal tee_context for some rpc Jens Wiklander <jens.wiklander(a)linaro.org> tee: export teedev_open() and teedev_close_context() Sean Christopherson <seanjc(a)google.com> KVM: SVM: Never reject emulation due to SMAP errata for !SEV guests Christian Eggers <ceggers(a)arri.de> mtd: rawnand: gpmi: don't leak PM reference in error path Anders Roxell <anders.roxell(a)linaro.org> powerpc/lib/sstep: fix 'ptesync' build error Mark Brown <broonie(a)kernel.org> ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range() Mark Brown <broonie(a)kernel.org> ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw() Takashi Iwai <tiwai(a)suse.de> ALSA: hda: Fix missing codec probe on Shenker Dock 15 Takashi Iwai <tiwai(a)suse.de> ALSA: hda: Fix regression on forced probe mask option Takashi Iwai <tiwai(a)suse.de> ALSA: hda/realtek: Fix deadlock by COEF mutex Yu Huang <diwang90(a)gmail.com> ALSA: hda/realtek: Add quirk for Legion Y9000X 2019 Muhammad Usama Anjum <usama.anjum(a)collabora.com> selftests/exec: Add non-regular to TEST_GEN_PROGS Arnaldo Carvalho de Melo <acme(a)redhat.com> perf bpf: Defer freeing string after possible strlen() on it Radu Bulie <radu-andrei.bulie(a)nxp.com> dpaa2-eth: Initialize mutex used in one step timestamping path Kees Cook <keescook(a)chromium.org> libsubcmd: Fix use-after-free for realloc(..., 0) Eric Dumazet <edumazet(a)google.com> bonding: fix data-races around agg_select_timer Eric Dumazet <edumazet(a)google.com> net_sched: add __rcu annotation to netdev->qdisc Eric Dumazet <edumazet(a)google.com> drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit Zhang Changzhong <zhangchangzhong(a)huawei.com> bonding: force carrier update when releasing slave Xin Long <lucien.xin(a)gmail.com> ping: fix the dif and sdif check in ping_lookup Miquel Raynal <miquel.raynal(a)bootlin.com> net: ieee802154: ca8210: Fix lifs/sifs periods Alexey Khoroshilov <khoroshilov(a)ispras.ru> net: dsa: lantiq_gswip: fix use after free in gswip_remove() Mans Rullgard <mans(a)mansr.com> net: dsa: lan9303: fix reset on probe Willem de Bruijn <willemb(a)google.com> ipv6: per-netns exclusive flowlabel checks Pablo Neira Ayuso <pablo(a)netfilter.org> netfilter: nft_synproxy: unregister hooks on init error path Hangbin Liu <liuhangbin(a)gmail.com> selftests: netfilter: fix exit value for nft_concat_range Johannes Berg <johannes.berg(a)intel.com> iwlwifi: pcie: gen2: fix locking when "HW not ready" Johannes Berg <johannes.berg(a)intel.com> iwlwifi: pcie: fix locking when "HW not ready" Siva Mullati <siva.mullati(a)intel.com> drm/i915/gvt: Make DRM_I915_GVT depend on X86 Seth Forshee <sforshee(a)digitalocean.com> vsock: remove vsock from connected table when connect is interrupted by a signal Jani Nikula <jani.nikula(a)intel.com> drm/i915/opregion: check port number bounds for SWSCI display power state Nicholas Bishop <nicholasbishop(a)google.com> drm/radeon: Fix backlight control on iMac 12,1 Johannes Berg <johannes.berg(a)intel.com> iwlwifi: fix use-after-free Sean Christopherson <seanjc(a)google.com> kbuild: lto: Merge module sections if and only if CONFIG_LTO_CLANG is enabled Sami Tolvanen <samitolvanen(a)google.com> kbuild: lto: merge module sections Jason A. Donenfeld <Jason(a)zx2c4.com> random: wake up /dev/random writers after zap Kees Cook <keescook(a)chromium.org> gcc-plugins/stackleak: Use noinstr in favor of notrace Igor Pylypiv <ipylypiv(a)google.com> Revert "module, async: async_synchronize_full() on module init iff async is used" Jan Beulich <jbeulich(a)suse.com> x86/Xen: streamline (and fix) PV CPU enumeration Christian König <christian.koenig(a)amd.com> drm/amdgpu: fix logic inversion in check Sagi Grimberg <sagi(a)grimberg.me> nvme-rdma: fix possible use-after-free in transport error_recovery work Sagi Grimberg <sagi(a)grimberg.me> nvme-tcp: fix possible use-after-free in transport error_recovery work Sagi Grimberg <sagi(a)grimberg.me> nvme: fix a possible use-after-free in controller reset during load John Garry <john.garry(a)huawei.com> scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task John Garry <john.garry(a)huawei.com> scsi: pm8001: Fix use-after-free for aborted TMF sas_task Darrick J. Wong <djwong(a)kernel.org> quota: make dquot_quota_sync return errors from ->sync_fs Darrick J. Wong <djwong(a)kernel.org> vfs: make freeze_super abort when sync_filesystem returns error Duoming Zhou <duoming(a)zju.edu.cn> ax25: improve the incomplete fix to avoid UAF and NPD bugs Cristian Marussi <cristian.marussi(a)arm.com> selftests: skip mincore.check_file_mmap when fs lacks needed support Cristian Marussi <cristian.marussi(a)arm.com> selftests: openat2: Skip testcases that fail with EOPNOTSUPP Cristian Marussi <cristian.marussi(a)arm.com> selftests: openat2: Add missing dependency in Makefile Cristian Marussi <cristian.marussi(a)arm.com> selftests: openat2: Print also errno in failure messages Yang Xu <xuyang2018.jy(a)fujitsu.com> selftests/zram: Adapt the situation that /dev/zram0 is being used Yang Xu <xuyang2018.jy(a)fujitsu.com> selftests/zram01.sh: Fix compression ratio calculation Yang Xu <xuyang2018.jy(a)fujitsu.com> selftests/zram: Skip max_comp_streams interface on newer kernel Miquel Raynal <miquel.raynal(a)bootlin.com> net: ieee802154: at86rf230: Stop leaking skb's Li Zhijian <lizhijian(a)cn.fujitsu.com> kselftest: signal all child processes Nícolas F. R. A. Prado <nfraprado(a)collabora.com> selftests: rtc: Increase test timeout so that all tests run Srinivas Pandruvada <srinivas.pandruvada(a)linux.intel.com> platform/x86: ISST: Fix possible circular locking dependency detected Yuka Kawajiri <yukx00(a)gmail.com> platform/x86: touchscreen_dmi: Add info for the RWC NANOTE P8 AY07J 2-in-1 Dāvis Mosāns <davispuh(a)gmail.com> btrfs: send: in case of IO error log it Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> parisc: Add ioread64_lo_hi() and iowrite64_lo_hi() Long Li <longli(a)microsoft.com> PCI: hv: Fix NUMA node assignment when kernel boots with custom NUMA topology Linus Torvalds <torvalds(a)linux-foundation.org> mm: don't try to NUMA-migrate COW pages that have other uses Christian Löhle <CLoehle(a)hyperstone.com> mmc: block: fix read single on recovery logic John David Anglin <dave.anglin(a)bell.net> parisc: Fix sglist access in ccio-dma.c John David Anglin <dave.anglin(a)bell.net> parisc: Fix data TLB miss in sba_unmap_sg John David Anglin <dave.anglin(a)bell.net> parisc: Drop __init from map_pages declaration Randy Dunlap <rdunlap(a)infradead.org> serial: parisc: GSC: fix build when IOSAPIC is not set Sean Christopherson <seanjc(a)google.com> Revert "svm: Add warning message for AVIC IPI invalid target" Sergio Costas <rastersoft(a)gmail.com> HID:Add support for UGTABLET WP5540 James Smart <jsmart2021(a)gmail.com> scsi: lpfc: Fix mailbox command failure during driver initialization Oliver Hartkopp <socketcan(a)hartkopp.net> can: isotp: add SF_BROADCAST support for functional addressing Norbert Slusarek <nslusarek(a)gmx.net> can: isotp: prevent race between isotp_bind() and isotp_setsockopt() Yang Shi <shy828301(a)gmail.com> fs/proc: task_mmu.c: don't read mapcount for migration entry Linus Torvalds <torvalds(a)linux-foundation.org> fget: clarify and improve __fget_files() implementation Paul E. McKenney <paulmck(a)kernel.org> rcu: Do not report strict GPs for outgoing CPUs Roman Gushchin <guro(a)fb.com> mm: memcg: synchronize objcg lists with a dedicated spinlock Ben Skeggs <bskeggs(a)redhat.com> drm/nouveau/pmu/gm200-: use alternate falcon reset sequence ------------- Diffstat: Makefile | 4 +- arch/arm/mach-omap2/display.c | 2 +- arch/arm/mach-omap2/omap_hwmod.c | 4 +- arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 6 + arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts | 8 -- arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 + arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts | 8 -- arch/parisc/lib/iomap.c | 18 +++ arch/parisc/mm/init.c | 9 +- arch/powerpc/lib/sstep.c | 2 + arch/x86/kvm/pmu.c | 15 +-- arch/x86/kvm/pmu.h | 3 +- arch/x86/kvm/svm/avic.c | 2 - arch/x86/kvm/svm/pmu.c | 8 +- arch/x86/kvm/svm/svm.c | 7 +- arch/x86/kvm/vmx/pmu_intel.c | 9 +- arch/x86/xen/enlighten_pv.c | 4 - arch/x86/xen/smp_pv.c | 26 +--- block/bfq-iosched.c | 2 + block/elevator.c | 2 - drivers/ata/libata-core.c | 1 + drivers/char/random.c | 5 +- drivers/dma/sh/rcar-dmac.c | 9 +- drivers/dma/stm32-dmamux.c | 4 +- drivers/edac/edac_mc.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- drivers/gpu/drm/i915/Kconfig | 1 + drivers/gpu/drm/i915/display/intel_opregion.c | 15 +++ drivers/gpu/drm/nouveau/nvkm/falcon/base.c | 8 +- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm200.c | 31 ++++- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c | 2 +- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c | 2 +- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c | 2 +- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h | 2 + drivers/gpu/drm/radeon/atombios_encoders.c | 3 +- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 14 +-- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-quirks.c | 1 + drivers/hv/vmbus_drv.c | 5 +- drivers/i2c/busses/i2c-brcmstb.c | 2 +- drivers/i2c/busses/i2c-qcom-cci.c | 16 ++- drivers/irqchip/irq-sifive-plic.c | 1 + drivers/mmc/core/block.c | 28 ++--- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 2 +- drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 3 +- drivers/mtd/nand/raw/qcom_nandc.c | 14 +-- drivers/net/bonding/bond_3ad.c | 30 ++++- drivers/net/bonding/bond_main.c | 5 +- drivers/net/dsa/lan9303-core.c | 2 +- drivers/net/dsa/lantiq_gswip.c | 2 +- drivers/net/ethernet/cadence/macb_main.c | 2 +- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 2 +- drivers/net/ieee802154/at86rf230.c | 13 +- drivers/net/ieee802154/ca8210.c | 4 +- drivers/net/usb/qmi_wwan.c | 2 + drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 2 + .../net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 3 +- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 3 +- drivers/nvme/host/core.c | 9 +- drivers/nvme/host/rdma.c | 1 + drivers/nvme/host/tcp.c | 1 + drivers/parisc/ccio-dma.c | 3 +- drivers/parisc/sba_iommu.c | 3 +- drivers/pci/controller/pci-hyperv.c | 13 +- drivers/phy/broadcom/phy-brcm-usb.c | 38 ++++++ .../x86/intel_speed_select_if/isst_if_common.c | 97 +++++++++------ drivers/platform/x86/touchscreen_dmi.c | 24 ++++ drivers/scsi/lpfc/lpfc.h | 1 + drivers/scsi/lpfc/lpfc_attr.c | 3 + drivers/scsi/lpfc/lpfc_els.c | 20 ++- drivers/scsi/lpfc/lpfc_nportdisc.c | 5 +- drivers/scsi/lpfc/lpfc_sli.c | 15 ++- drivers/scsi/pm8001/pm8001_sas.c | 5 + drivers/scsi/pm8001/pm80xx_hwi.c | 4 +- drivers/soc/aspeed/aspeed-lpc-ctrl.c | 7 +- drivers/tee/optee/core.c | 8 ++ drivers/tee/optee/optee_private.h | 2 + drivers/tee/optee/rpc.c | 8 +- drivers/tee/tee_core.c | 6 +- drivers/tty/n_tty.c | 6 +- drivers/tty/serial/8250/8250_gsc.c | 2 +- fs/btrfs/send.c | 4 + fs/file.c | 72 ++++++++--- fs/nfs/dir.c | 4 +- fs/nfs/inode.c | 23 +++- fs/proc/task_mmu.c | 43 +++++-- fs/quota/dquot.c | 11 +- fs/super.c | 19 +-- include/linux/memcontrol.h | 5 +- include/linux/netdevice.h | 2 +- include/linux/sched.h | 1 - include/linux/tee_drv.h | 14 +++ include/net/bond_3ad.h | 2 +- include/net/ipv6.h | 5 +- include/net/netns/ipv6.h | 3 +- include/uapi/linux/can/isotp.h | 2 +- kernel/async.c | 3 - kernel/fork.c | 7 +- kernel/locking/lockdep.c | 4 +- kernel/module.c | 25 +--- kernel/rcu/tree_plugin.h | 2 +- kernel/stackleak.c | 5 +- kernel/trace/trace.c | 4 + mm/memcontrol.c | 10 +- mm/mprotect.c | 2 +- net/ax25/af_ax25.c | 9 +- net/can/isotp.c | 71 ++++++++--- net/core/drop_monitor.c | 11 +- net/core/rtnetlink.c | 6 +- net/ipv4/ping.c | 11 +- net/ipv6/ip6_flowlabel.c | 4 +- net/netfilter/nf_conntrack_proto_sctp.c | 9 ++ net/netfilter/nft_synproxy.c | 4 +- net/sched/act_api.c | 13 +- net/sched/cls_api.c | 6 +- net/sched/sch_api.c | 22 ++-- net/sched/sch_generic.c | 29 +++-- net/sunrpc/xprtrdma/verbs.c | 3 + net/vmw_vsock/af_vsock.c | 1 + scripts/kconfig/confdata.c | 13 +- scripts/kconfig/preprocess.c | 2 +- scripts/module.lds.S | 26 ++++ sound/pci/hda/hda_intel.c | 5 +- sound/pci/hda/patch_realtek.c | 40 +++--- sound/soc/codecs/tas2770.c | 7 +- sound/soc/soc-ops.c | 29 +++-- tools/lib/subcmd/subcmd-util.h | 11 +- tools/perf/util/bpf-loader.c | 3 +- tools/testing/selftests/clone3/clone3.c | 2 - tools/testing/selftests/exec/Makefile | 4 +- tools/testing/selftests/kselftest_harness.h | 4 +- tools/testing/selftests/mincore/mincore_selftest.c | 20 ++- .../selftests/netfilter/nft_concat_range.sh | 2 +- tools/testing/selftests/openat2/Makefile | 2 +- tools/testing/selftests/openat2/helpers.h | 12 +- tools/testing/selftests/openat2/openat2_test.c | 12 +- tools/testing/selftests/pidfd/pidfd.h | 13 +- tools/testing/selftests/pidfd/pidfd_fdinfo_test.c | 22 +++- tools/testing/selftests/pidfd/pidfd_test.c | 6 +- tools/testing/selftests/pidfd/pidfd_wait.c | 5 +- tools/testing/selftests/rtc/settings | 2 +- tools/testing/selftests/zram/zram.sh | 15 +-- tools/testing/selftests/zram/zram01.sh | 33 ++--- tools/testing/selftests/zram/zram02.sh | 1 - tools/testing/selftests/zram/zram_lib.sh | 134 ++++++++++++++------- 145 files changed, 1052 insertions(+), 516 deletions(-)

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[PATCH 4.14 00/45] 4.14.268-rc1 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.14.268 release. There are 45 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed, 23 Feb 2022 08:48:58 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.268-r… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.14.268-rc1 Marc St-Amand <mstamand(a)ciena.com> net: macb: Align the dma and coherent dma masks Slark Xiao <slark_xiao(a)163.com> net: usb: qmi_wwan: Add support for Dell DW5829e JaeSang Yoo <js.yoo.5b(a)gmail.com> tracing: Fix tp_printk option related with tp_printk_stop_on_boot Zoltán Böszörményi <zboszor(a)gmail.com> ata: libata-core: Disable TRIM on M88V29 Wan Jiabing <wanjiabing(a)vivo.com> ARM: OMAP2+: hwmod: Add of_node_put() before break Trond Myklebust <trond.myklebust(a)hammerspace.com> NFS: Do not report writeback errors in nfs_getattr() Jim Mattson <jmattson(a)google.com> KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW david regan <dregan(a)mail.com> mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status Kamal Dasu <kdasu.kdev(a)gmail.com> mtd: rawnand: brcmnand: Refactored code to introduce helper functions Rafał Miłecki <rafal(a)milecki.pl> i2c: brcmstb: fix support for DSL and CM variants Jiasheng Jiang <jiasheng(a)iscas.ac.cn> dmaengine: sh: rcar-dmac: Check for error num after setting mask Eric Dumazet <edumazet(a)google.com> net: sched: limit TC_ACT_REPEAT loops Eliav Farber <farbere(a)amazon.com> EDAC: Fix calculation of returned address and next offset in edac_align_ptr() Trond Myklebust <trond.myklebust(a)hammerspace.com> NFS: LOOKUP_DIRECTORY is also ok with symlinks Anders Roxell <anders.roxell(a)linaro.org> powerpc/lib/sstep: fix 'ptesync' build error Mark Brown <broonie(a)kernel.org> ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range() Mark Brown <broonie(a)kernel.org> ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw() Takashi Iwai <tiwai(a)suse.de> ALSA: hda: Fix missing codec probe on Shenker Dock 15 Takashi Iwai <tiwai(a)suse.de> ALSA: hda: Fix regression on forced probe mask option Kees Cook <keescook(a)chromium.org> libsubcmd: Fix use-after-free for realloc(..., 0) Eric Dumazet <edumazet(a)google.com> bonding: fix data-races around agg_select_timer Eric Dumazet <edumazet(a)google.com> drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit Xin Long <lucien.xin(a)gmail.com> ping: fix the dif and sdif check in ping_lookup Miquel Raynal <miquel.raynal(a)bootlin.com> net: ieee802154: ca8210: Fix lifs/sifs periods Johannes Berg <johannes.berg(a)intel.com> iwlwifi: pcie: gen2: fix locking when "HW not ready" Johannes Berg <johannes.berg(a)intel.com> iwlwifi: pcie: fix locking when "HW not ready" Seth Forshee <sforshee(a)digitalocean.com> vsock: remove vsock from connected table when connect is interrupted by a signal Eric W. Biederman <ebiederm(a)xmission.com> taskstats: Cleanup the use of task->exit_code Guillaume Nault <gnault(a)redhat.com> xfrm: Don't accidentally set RTO_ONLINK in decode_session4() Nicholas Bishop <nicholasbishop(a)google.com> drm/radeon: Fix backlight control on iMac 12,1 Johannes Berg <johannes.berg(a)intel.com> iwlwifi: fix use-after-free Igor Pylypiv <ipylypiv(a)google.com> Revert "module, async: async_synchronize_full() on module init iff async is used" Darrick J. Wong <djwong(a)kernel.org> quota: make dquot_quota_sync return errors from ->sync_fs Darrick J. Wong <djwong(a)kernel.org> vfs: make freeze_super abort when sync_filesystem returns error Duoming Zhou <duoming(a)zju.edu.cn> ax25: improve the incomplete fix to avoid UAF and NPD bugs Yang Xu <xuyang2018.jy(a)fujitsu.com> selftests/zram: Adapt the situation that /dev/zram0 is being used Yang Xu <xuyang2018.jy(a)fujitsu.com> selftests/zram01.sh: Fix compression ratio calculation Yang Xu <xuyang2018.jy(a)fujitsu.com> selftests/zram: Skip max_comp_streams interface on newer kernel Miquel Raynal <miquel.raynal(a)bootlin.com> net: ieee802154: at86rf230: Stop leaking skb's Dāvis Mosāns <davispuh(a)gmail.com> btrfs: send: in case of IO error log it John David Anglin <dave.anglin(a)bell.net> parisc: Fix sglist access in ccio-dma.c John David Anglin <dave.anglin(a)bell.net> parisc: Fix data TLB miss in sba_unmap_sg Randy Dunlap <rdunlap(a)infradead.org> serial: parisc: GSC: fix build when IOSAPIC is not set Jann Horn <jannh(a)google.com> net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup Nathan Chancellor <nathan(a)kernel.org> Makefile.extrawarn: Move -Wunaligned-access to W=1 ------------- Diffstat: Makefile | 4 +- arch/arm/mach-omap2/omap_hwmod.c | 4 +- arch/powerpc/lib/sstep.c | 2 + arch/x86/kvm/pmu.c | 2 +- drivers/ata/libata-core.c | 1 + drivers/dma/sh/rcar-dmac.c | 4 +- drivers/edac/edac_mc.c | 2 +- drivers/gpu/drm/radeon/atombios_encoders.c | 3 +- drivers/i2c/busses/i2c-brcmstb.c | 2 +- drivers/mtd/nand/brcmnand/brcmnand.c | 102 ++++++++++------ drivers/net/bonding/bond_3ad.c | 30 ++++- drivers/net/ethernet/cadence/macb_main.c | 2 +- drivers/net/ieee802154/at86rf230.c | 13 +- drivers/net/ieee802154/ca8210.c | 4 +- drivers/net/usb/ax88179_178a.c | 68 ++++++----- drivers/net/usb/qmi_wwan.c | 2 + drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 2 + .../net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 3 +- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 3 +- drivers/parisc/ccio-dma.c | 3 +- drivers/parisc/sba_iommu.c | 3 +- drivers/tty/serial/8250/8250_gsc.c | 2 +- fs/btrfs/send.c | 4 + fs/nfs/dir.c | 4 +- fs/nfs/inode.c | 7 +- fs/quota/dquot.c | 11 +- fs/super.c | 19 +-- include/linux/sched.h | 1 - include/net/bond_3ad.h | 2 +- kernel/async.c | 3 - kernel/module.c | 25 +--- kernel/trace/trace.c | 4 + kernel/tsacct.c | 7 +- net/ax25/af_ax25.c | 9 +- net/core/drop_monitor.c | 11 +- net/ipv4/ping.c | 11 +- net/ipv4/xfrm4_policy.c | 3 +- net/sched/act_api.c | 13 +- net/vmw_vsock/af_vsock.c | 1 + scripts/Makefile.extrawarn | 1 + sound/pci/hda/hda_intel.c | 5 +- sound/soc/soc-ops.c | 29 +++-- tools/lib/subcmd/subcmd-util.h | 11 +- tools/testing/selftests/zram/zram.sh | 15 +-- tools/testing/selftests/zram/zram01.sh | 33 ++--- tools/testing/selftests/zram/zram02.sh | 1 - tools/testing/selftests/zram/zram_lib.sh | 134 ++++++++++++++------- 47 files changed, 371 insertions(+), 254 deletions(-)

2 years, 7 months

5
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CONGRATULATION!!!!

by Scott Godfrey

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2 years, 7 months

1
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[PATCH backport 5.15 v2] optee: use driver internal tee_context for some rpc

by Jens Wiklander

commit aceeafefff736057e8f93f19bbfbef26abd94604 upstream Adds a driver private tee_context to struct optee. The new driver internal tee_context is used when allocating driver private shared memory. This decouples the shared memory object from its original tee_context. This is needed when the life time of such a memory allocation outlives the client tee_context. This patch fixes the problem described below: The addition of a shutdown hook by commit f25889f93184 ("optee: fix tee out of memory failure seen during kexec reboot") introduced a kernel shutdown regression that can be triggered after running the OP-TEE xtest suites. Once the shutdown hook is called it is not possible to communicate any more with the supplicant process because the system is not scheduling task any longer. Thus if the optee driver shutdown path receives a supplicant RPC request from the OP-TEE we will deadlock the kernel's shutdown. Fixes: f25889f93184 ("optee: fix tee out of memory failure seen during kexec reboot") Fixes: 217e0250cccb ("tee: use reference counting for tee_context") Reported-by: Lars Persson <larper(a)axis.com> Cc: stable(a)vger.kernel.org # 1e2c3ef0496e tee: export teedev_open() and teedev_close_context() Cc: stable(a)vger.kernel.org Reviewed-by: Sumit Garg <sumit.garg(a)linaro.org> [JW: backport to 5.15-stable + update commit message] Signed-off-by: Jens Wiklander <jens.wiklander(a)linaro.org> --- Hi, This is an update to the previous patch posted with the same name. Please note that this patch depends on 1e2c3ef0496e ("tee: export teedev_open() and teedev_close_context()") which needs be cherry-picked before this patch is applied. Thanks, Jens drivers/tee/optee/core.c | 8 ++++++++ drivers/tee/optee/optee_private.h | 2 ++ drivers/tee/optee/rpc.c | 8 +++++--- 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index 5363ebebfc35..50c0d839fe75 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -588,6 +588,7 @@ static int optee_remove(struct platform_device *pdev) /* Unregister OP-TEE specific client devices on TEE bus */ optee_unregister_devices(); + teedev_close_context(optee->ctx); /* * Ask OP-TEE to free all cached shared memory objects to decrease * reference counters and also avoid wild pointers in secure world @@ -633,6 +634,7 @@ static int optee_probe(struct platform_device *pdev) struct optee *optee = NULL; void *memremaped_shm = NULL; struct tee_device *teedev; + struct tee_context *ctx; u32 sec_caps; int rc; @@ -719,6 +721,12 @@ static int optee_probe(struct platform_device *pdev) optee_supp_init(&optee->supp); optee->memremaped_shm = memremaped_shm; optee->pool = pool; + ctx = teedev_open(optee->teedev); + if (IS_ERR(ctx)) { + rc = PTR_ERR(ctx); + goto err; + } + optee->ctx = ctx; /* * Ensure that there are no pre-existing shm objects before enabling diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index f6bb4a763ba9..ea09533e30cd 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -70,6 +70,7 @@ struct optee_supp { * struct optee - main service struct * @supp_teedev: supplicant device * @teedev: client device + * @ctx: driver internal TEE context * @invoke_fn: function to issue smc or hvc * @call_queue: queue of threads waiting to call @invoke_fn * @wait_queue: queue of threads from secure world waiting for a @@ -87,6 +88,7 @@ struct optee { struct tee_device *supp_teedev; struct tee_device *teedev; optee_invoke_fn *invoke_fn; + struct tee_context *ctx; struct optee_call_queue call_queue; struct optee_wait_queue wait_queue; struct optee_supp supp; diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c index efbaff7ad7e5..456833d82007 100644 --- a/drivers/tee/optee/rpc.c +++ b/drivers/tee/optee/rpc.c @@ -285,6 +285,7 @@ static struct tee_shm *cmd_alloc_suppl(struct tee_context *ctx, size_t sz) } static void handle_rpc_func_cmd_shm_alloc(struct tee_context *ctx, + struct optee *optee, struct optee_msg_arg *arg, struct optee_call_ctx *call_ctx) { @@ -314,7 +315,8 @@ static void handle_rpc_func_cmd_shm_alloc(struct tee_context *ctx, shm = cmd_alloc_suppl(ctx, sz); break; case OPTEE_RPC_SHM_TYPE_KERNEL: - shm = tee_shm_alloc(ctx, sz, TEE_SHM_MAPPED | TEE_SHM_PRIV); + shm = tee_shm_alloc(optee->ctx, sz, + TEE_SHM_MAPPED | TEE_SHM_PRIV); break; default: arg->ret = TEEC_ERROR_BAD_PARAMETERS; @@ -471,7 +473,7 @@ static void handle_rpc_func_cmd(struct tee_context *ctx, struct optee *optee, break; case OPTEE_RPC_CMD_SHM_ALLOC: free_pages_list(call_ctx); - handle_rpc_func_cmd_shm_alloc(ctx, arg, call_ctx); + handle_rpc_func_cmd_shm_alloc(ctx, optee, arg, call_ctx); break; case OPTEE_RPC_CMD_SHM_FREE: handle_rpc_func_cmd_shm_free(ctx, arg); @@ -502,7 +504,7 @@ void optee_handle_rpc(struct tee_context *ctx, struct optee_rpc_param *param, switch (OPTEE_SMC_RETURN_GET_RPC_FUNC(param->a0)) { case OPTEE_SMC_RPC_FUNC_ALLOC: - shm = tee_shm_alloc(ctx, param->a1, + shm = tee_shm_alloc(optee->ctx, param->a1, TEE_SHM_MAPPED | TEE_SHM_PRIV); if (!IS_ERR(shm) && !tee_shm_get_pa(shm, 0, &pa)) { reg_pair_from_64(&param->a1, &param->a2, pa); -- 2.31.1

2 years, 7 months

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patch "driver core: Free DMA range map when device is released" added to driver-core-linus

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled driver core: Free DMA range map when device is released to my driver-core git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git in the driver-core-linus branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will hopefully also be merged in Linus's tree for the next -rc kernel release. If you have any questions about this process, please let me know. From d8f7a5484f2188e9af2d9e4e587587d724501b12 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A5rten=20Lindahl?= <marten.lindahl(a)axis.com> Date: Wed, 16 Feb 2022 10:41:28 +0100 Subject: driver core: Free DMA range map when device is released MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When unbinding/binding a driver with DMA mapped memory, the DMA map is not freed before the driver is reloaded. This leads to a memory leak when the DMA map is overwritten when reprobing the driver. This can be reproduced with a platform driver having a dma-range: dummy { ... #address-cells = <0x2>; #size-cells = <0x2>; ranges; dma-ranges = <...>; ... }; and then unbinding/binding it: ~# echo soc:dummy >/sys/bus/platform/drivers/<driver>/unbind DMA map object 0xffffff800b0ae540 still being held by &pdev->dev ~# echo soc:dummy >/sys/bus/platform/drivers/<driver>/bind ~# echo scan > /sys/kernel/debug/kmemleak ~# cat /sys/kernel/debug/kmemleak unreferenced object 0xffffff800b0ae540 (size 64): comm "sh", pid 833, jiffies 4295174550 (age 2535.352s) hex dump (first 32 bytes): 00 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 80 00 00 00 00 00 00 00 80 00 00 00 00 ................ backtrace: [<ffffffefd1694708>] create_object.isra.0+0x108/0x344 [<ffffffefd1d1a850>] kmemleak_alloc+0x8c/0xd0 [<ffffffefd167e2d0>] __kmalloc+0x440/0x6f0 [<ffffffefd1a960a4>] of_dma_get_range+0x124/0x220 [<ffffffefd1a8ce90>] of_dma_configure_id+0x40/0x2d0 [<ffffffefd198b68c>] platform_dma_configure+0x5c/0xa4 [<ffffffefd198846c>] really_probe+0x8c/0x514 [<ffffffefd1988990>] __driver_probe_device+0x9c/0x19c [<ffffffefd1988cd8>] device_driver_attach+0x54/0xbc [<ffffffefd1986634>] bind_store+0xc4/0x120 [<ffffffefd19856e0>] drv_attr_store+0x30/0x44 [<ffffffefd173c9b0>] sysfs_kf_write+0x50/0x60 [<ffffffefd173c1c4>] kernfs_fop_write_iter+0x124/0x1b4 [<ffffffefd16a013c>] new_sync_write+0xdc/0x160 [<ffffffefd16a256c>] vfs_write+0x23c/0x2a0 [<ffffffefd16a2758>] ksys_write+0x64/0xec To prevent this we should free the dma_range_map when the device is released. Fixes: e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset") Cc: stable <stable(a)vger.kernel.org> Suggested-by: Rob Herring <robh(a)kernel.org> Reviewed-by: Rob Herring <robh(a)kernel.org> Signed-off-by: Mårten Lindahl <marten.lindahl(a)axis.com> Link: https://lore.kernel.org/r/20220216094128.4025861-1-marten.lindahl@axis.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/base/dd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 9eaaff2f556c..f47cab21430f 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -629,6 +629,9 @@ static int really_probe(struct device *dev, struct device_driver *drv) drv->remove(dev); devres_release_all(dev); + arch_teardown_dma_ops(dev); + kfree(dev->dma_range_map); + dev->dma_range_map = NULL; driver_sysfs_remove(dev); dev->driver = NULL; dev_set_drvdata(dev, NULL); @@ -1209,6 +1212,8 @@ static void __device_release_driver(struct device *dev, struct device *parent) devres_release_all(dev); arch_teardown_dma_ops(dev); + kfree(dev->dma_range_map); + dev->dma_range_map = NULL; dev->driver = NULL; dev_set_drvdata(dev, NULL); if (dev->pm_domain && dev->pm_domain->dismiss) -- 2.35.1

2 years, 7 months

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[PATCH v6] KVM: SVM: Allow AVIC support on system w/ physical APIC ID > 255

by Suravee Suthikulpanit

Expand KVM's mask for the AVIC host physical ID to the full 12 bits defined by the architecture. The number of bits consumed by hardware is model specific, e.g. early CPUs ignored bits 11:8, but there is no way for KVM to enumerate the "true" size. So, KVM must allow using all bits, else it risks rejecting completely legal x2APIC IDs on newer CPUs. This means KVM relies on hardware to not assign x2APIC IDs that exceed the "true" width of the field, but presumably hardware is smart enough to tie the width to the max x2APIC ID. KVM also relies on hardware to support at least 8 bits, as the legacy xAPIC ID is writable by software. But, those assumptions are unavoidable due to the lack of any way to enumerate the "true" width. Cc: stable(a)vger.kernel.org Cc: Maxim Levitsky <mlevitsk(a)redhat.com> Suggested-by: Sean Christopherson <seanjc(a)google.com> Reviewed-by: Sean Christopherson <seanjc(a)google.com> Fixes: 44a95dae1d22 ("KVM: x86: Detect and Initialize AVIC support") Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit(a)amd.com> --- arch/x86/kvm/svm/avic.c | 7 +------ arch/x86/kvm/svm/svm.h | 2 +- 2 files changed, 2 insertions(+), 7 deletions(-) diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index 90364d02f22a..e4cfd8bf4f24 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -974,17 +974,12 @@ avic_update_iommu_vcpu_affinity(struct kvm_vcpu *vcpu, int cpu, bool r) void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu) { u64 entry; - /* ID = 0xff (broadcast), ID > 0xff (reserved) */ int h_physical_id = kvm_cpu_get_apicid(cpu); struct vcpu_svm *svm = to_svm(vcpu); lockdep_assert_preemption_disabled(); - /* - * Since the host physical APIC id is 8 bits, - * we can support host APIC ID upto 255. - */ - if (WARN_ON(h_physical_id > AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK)) + if (WARN_ON(h_physical_id & ~AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK)) return; /* diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 47ef8f4a9358..cede59cd8999 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -565,7 +565,7 @@ extern struct kvm_x86_nested_ops svm_nested_ops; #define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31 #define AVIC_LOGICAL_ID_ENTRY_VALID_MASK (1 << 31) -#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK (0xFFULL) +#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK GENMASK_ULL(11, 0) #define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK (0xFFFFFFFFFFULL << 12) #define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK (1ULL << 62) #define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK (1ULL << 63) -- 2.25.1

2 years, 7 months

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[PATCH backport 5.4 v2] optee: use driver internal tee_context for some rpc

by Jens Wiklander

commit aceeafefff736057e8f93f19bbfbef26abd94604 upstream Adds a driver private tee_context to struct optee. The new driver internal tee_context is used when allocating driver private shared memory. This decouples the shared memory object from its original tee_context. This is needed when the life time of such a memory allocation outlives the client tee_context. This fixes a problem where the tee_context allocated on behalf of a process outlives the process because some longer lived driver internal shared memory has been allocated using that tee_context. Fixes: 217e0250cccb ("tee: use reference counting for tee_context") Reported-by: Lars Persson <larper(a)axis.com> Cc: stable(a)vger.kernel.org # 1e2c3ef0496e tee: export teedev_open() and teedev_close_context() Cc: stable(a)vger.kernel.org Reviewed-by: Sumit Garg <sumit.garg(a)linaro.org> [JW: backport to 5.4-stable + update commit message] Signed-off-by: Jens Wiklander <jens.wiklander(a)linaro.org> --- Hi, This is an update to the previous patch posted with the same name. Please note that this patch depends on 1e2c3ef0496e ("tee: export teedev_open() and teedev_close_context()") which needs be cherry-picked before this patch is applied. This differs from the previous backports (5.16, 5.15, 5.10) in the way that f25889f93184 ("optee: fix tee out of memory failure seen during kexec reboot") isn't in this branch. So we can't claim to fix that problem, but this patch still makes sense since the lifetime problem can manifest itself in other ways too. Thanks, Jens drivers/tee/optee/core.c | 8 ++++++++ drivers/tee/optee/optee_private.h | 2 ++ drivers/tee/optee/rpc.c | 8 +++++--- 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index 5eaef45799e6..344f48c90918 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -552,6 +552,7 @@ static struct optee *optee_probe(struct device_node *np) struct optee *optee = NULL; void *memremaped_shm = NULL; struct tee_device *teedev; + struct tee_context *ctx; u32 sec_caps; int rc; @@ -631,6 +632,12 @@ static struct optee *optee_probe(struct device_node *np) optee_supp_init(&optee->supp); optee->memremaped_shm = memremaped_shm; optee->pool = pool; + ctx = teedev_open(optee->teedev); + if (IS_ERR(ctx)) { + rc = PTR_ERR(ctx); + goto err; + } + optee->ctx = ctx; /* * Ensure that there are no pre-existing shm objects before enabling @@ -667,6 +674,7 @@ static struct optee *optee_probe(struct device_node *np) static void optee_remove(struct optee *optee) { + teedev_close_context(optee->ctx); /* * Ask OP-TEE to free all cached shared memory objects to decrease * reference counters and also avoid wild pointers in secure world diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index 54c3fa01d002..0250cfde6312 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -69,6 +69,7 @@ struct optee_supp { * struct optee - main service struct * @supp_teedev: supplicant device * @teedev: client device + * @ctx: driver internal TEE context * @invoke_fn: function to issue smc or hvc * @call_queue: queue of threads waiting to call @invoke_fn * @wait_queue: queue of threads from secure world waiting for a @@ -83,6 +84,7 @@ struct optee { struct tee_device *supp_teedev; struct tee_device *teedev; optee_invoke_fn *invoke_fn; + struct tee_context *ctx; struct optee_call_queue call_queue; struct optee_wait_queue wait_queue; struct optee_supp supp; diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c index aecf62016e7b..be45ee620299 100644 --- a/drivers/tee/optee/rpc.c +++ b/drivers/tee/optee/rpc.c @@ -191,6 +191,7 @@ static struct tee_shm *cmd_alloc_suppl(struct tee_context *ctx, size_t sz) } static void handle_rpc_func_cmd_shm_alloc(struct tee_context *ctx, + struct optee *optee, struct optee_msg_arg *arg, struct optee_call_ctx *call_ctx) { @@ -220,7 +221,8 @@ static void handle_rpc_func_cmd_shm_alloc(struct tee_context *ctx, shm = cmd_alloc_suppl(ctx, sz); break; case OPTEE_MSG_RPC_SHM_TYPE_KERNEL: - shm = tee_shm_alloc(ctx, sz, TEE_SHM_MAPPED | TEE_SHM_PRIV); + shm = tee_shm_alloc(optee->ctx, sz, + TEE_SHM_MAPPED | TEE_SHM_PRIV); break; default: arg->ret = TEEC_ERROR_BAD_PARAMETERS; @@ -377,7 +379,7 @@ static void handle_rpc_func_cmd(struct tee_context *ctx, struct optee *optee, break; case OPTEE_MSG_RPC_CMD_SHM_ALLOC: free_pages_list(call_ctx); - handle_rpc_func_cmd_shm_alloc(ctx, arg, call_ctx); + handle_rpc_func_cmd_shm_alloc(ctx, optee, arg, call_ctx); break; case OPTEE_MSG_RPC_CMD_SHM_FREE: handle_rpc_func_cmd_shm_free(ctx, arg); @@ -405,7 +407,7 @@ void optee_handle_rpc(struct tee_context *ctx, struct optee_rpc_param *param, switch (OPTEE_SMC_RETURN_GET_RPC_FUNC(param->a0)) { case OPTEE_SMC_RPC_FUNC_ALLOC: - shm = tee_shm_alloc(ctx, param->a1, + shm = tee_shm_alloc(optee->ctx, param->a1, TEE_SHM_MAPPED | TEE_SHM_PRIV); if (!IS_ERR(shm) && !tee_shm_get_pa(shm, 0, &pa)) { reg_pair_from_64(&param->a1, &param->a2, pa); -- 2.31.1

2 years, 7 months

2
1
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[PATCH backport 5.10 v2] optee: use driver internal tee_context for some rpc

by Jens Wiklander

commit aceeafefff736057e8f93f19bbfbef26abd94604 upstream Adds a driver private tee_context to struct optee. The new driver internal tee_context is used when allocating driver private shared memory. This decouples the shared memory object from its original tee_context. This is needed when the life time of such a memory allocation outlives the client tee_context. This patch fixes the problem described below: The addition of a shutdown hook by commit f25889f93184 ("optee: fix tee out of memory failure seen during kexec reboot") introduced a kernel shutdown regression that can be triggered after running the OP-TEE xtest suites. Once the shutdown hook is called it is not possible to communicate any more with the supplicant process because the system is not scheduling task any longer. Thus if the optee driver shutdown path receives a supplicant RPC request from the OP-TEE we will deadlock the kernel's shutdown. Fixes: f25889f93184 ("optee: fix tee out of memory failure seen during kexec reboot") Fixes: 217e0250cccb ("tee: use reference counting for tee_context") Reported-by: Lars Persson <larper(a)axis.com> Cc: stable(a)vger.kernel.org # 1e2c3ef0496e tee: export teedev_open() and teedev_close_context() Cc: stable(a)vger.kernel.org Reviewed-by: Sumit Garg <sumit.garg(a)linaro.org> [JW: backport to 5.10-stable + update commit message] Signed-off-by: Jens Wiklander <jens.wiklander(a)linaro.org> --- Hi, This is an update to the previous patch posted with the same name. Please note that this patch depends on 1e2c3ef0496e ("tee: export teedev_open() and teedev_close_context()") which needs be cherry-picked before this patch is applied. Thanks, Jens drivers/tee/optee/core.c | 8 ++++++++ drivers/tee/optee/optee_private.h | 2 ++ drivers/tee/optee/rpc.c | 8 +++++--- 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index f255a96ae5a4..6ea80add7378 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -588,6 +588,7 @@ static int optee_remove(struct platform_device *pdev) /* Unregister OP-TEE specific client devices on TEE bus */ optee_unregister_devices(); + teedev_close_context(optee->ctx); /* * Ask OP-TEE to free all cached shared memory objects to decrease * reference counters and also avoid wild pointers in secure world @@ -633,6 +634,7 @@ static int optee_probe(struct platform_device *pdev) struct optee *optee = NULL; void *memremaped_shm = NULL; struct tee_device *teedev; + struct tee_context *ctx; u32 sec_caps; int rc; @@ -719,6 +721,12 @@ static int optee_probe(struct platform_device *pdev) optee_supp_init(&optee->supp); optee->memremaped_shm = memremaped_shm; optee->pool = pool; + ctx = teedev_open(optee->teedev); + if (IS_ERR(ctx)) { + rc = PTR_ERR(ctx); + goto err; + } + optee->ctx = ctx; /* * Ensure that there are no pre-existing shm objects before enabling diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index f6bb4a763ba9..ea09533e30cd 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -70,6 +70,7 @@ struct optee_supp { * struct optee - main service struct * @supp_teedev: supplicant device * @teedev: client device + * @ctx: driver internal TEE context * @invoke_fn: function to issue smc or hvc * @call_queue: queue of threads waiting to call @invoke_fn * @wait_queue: queue of threads from secure world waiting for a @@ -87,6 +88,7 @@ struct optee { struct tee_device *supp_teedev; struct tee_device *teedev; optee_invoke_fn *invoke_fn; + struct tee_context *ctx; struct optee_call_queue call_queue; struct optee_wait_queue wait_queue; struct optee_supp supp; diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c index 9dbdd783d6f2..f1e0332b0f6e 100644 --- a/drivers/tee/optee/rpc.c +++ b/drivers/tee/optee/rpc.c @@ -284,6 +284,7 @@ static struct tee_shm *cmd_alloc_suppl(struct tee_context *ctx, size_t sz) } static void handle_rpc_func_cmd_shm_alloc(struct tee_context *ctx, + struct optee *optee, struct optee_msg_arg *arg, struct optee_call_ctx *call_ctx) { @@ -313,7 +314,8 @@ static void handle_rpc_func_cmd_shm_alloc(struct tee_context *ctx, shm = cmd_alloc_suppl(ctx, sz); break; case OPTEE_MSG_RPC_SHM_TYPE_KERNEL: - shm = tee_shm_alloc(ctx, sz, TEE_SHM_MAPPED | TEE_SHM_PRIV); + shm = tee_shm_alloc(optee->ctx, sz, + TEE_SHM_MAPPED | TEE_SHM_PRIV); break; default: arg->ret = TEEC_ERROR_BAD_PARAMETERS; @@ -470,7 +472,7 @@ static void handle_rpc_func_cmd(struct tee_context *ctx, struct optee *optee, break; case OPTEE_MSG_RPC_CMD_SHM_ALLOC: free_pages_list(call_ctx); - handle_rpc_func_cmd_shm_alloc(ctx, arg, call_ctx); + handle_rpc_func_cmd_shm_alloc(ctx, optee, arg, call_ctx); break; case OPTEE_MSG_RPC_CMD_SHM_FREE: handle_rpc_func_cmd_shm_free(ctx, arg); @@ -501,7 +503,7 @@ void optee_handle_rpc(struct tee_context *ctx, struct optee_rpc_param *param, switch (OPTEE_SMC_RETURN_GET_RPC_FUNC(param->a0)) { case OPTEE_SMC_RPC_FUNC_ALLOC: - shm = tee_shm_alloc(ctx, param->a1, + shm = tee_shm_alloc(optee->ctx, param->a1, TEE_SHM_MAPPED | TEE_SHM_PRIV); if (!IS_ERR(shm) && !tee_shm_get_pa(shm, 0, &pa)) { reg_pair_from_64(&param->a1, &param->a2, pa); -- 2.31.1

2 years, 7 months

2
1
0 0

[PATCH v3] x86/sgx: Free backing memory after faulting the enclave page

by Jarkko Sakkinen

There is a limited amount of SGX memory (EPC) on each system. When that memory is used up, SGX has its own swapping mechanism which is similar in concept but totally separate from the core mm/* code. Instead of swapping to disk, SGX swaps from EPC to normal RAM. That normal RAM comes from a shared memory pseudo-file and can itself be swapped by the core mm code. There is a hierarchy like this: EPC <-> shmem <-> disk After data is swapped back in from shmem to EPC, the shmem backing storage needs to be freed. Currently, the backing shmem is not freed. This effectively wastes the shmem while the enclave is running. The memory is recovered when the enclave is destroyed and the backing storage freed. Sort this out by freeing memory with shmem_truncate_range(), as soon as a page is faulted back to the EPC. In addition, free the memory for PCMD pages as soon as all PCMD's in a page have been marked as unused by zeroing its contents. Reported-by: Dave Hansen <dave.hansen(a)linux.intel.com> Cc: stable(a)vger.kernel.org Fixes: 1728ab54b4be ("x86/sgx: Add a page reclaimer") Signed-off-by: Jarkko Sakkinen <jarkko(a)kernel.org> --- v3: * Resend. v2: * Rewrite commit message as proposed by Dave. * Truncate PCMD pages (Dave). --- arch/x86/kernel/cpu/sgx/encl.c | 48 +++++++++++++++++++++++++++++++--- 1 file changed, 44 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c index 001808e3901c..ea43c10e5458 100644 --- a/arch/x86/kernel/cpu/sgx/encl.c +++ b/arch/x86/kernel/cpu/sgx/encl.c @@ -12,6 +12,27 @@ #include "encls.h" #include "sgx.h" + +/* + * Get the page number of the page in the backing storage, which stores the PCMD + * of the enclave page in the given page index. PCMD pages are located after + * the backing storage for the visible enclave pages and SECS. + */ +static inline pgoff_t sgx_encl_get_backing_pcmd_nr(struct sgx_encl *encl, pgoff_t index) +{ + return PFN_DOWN(encl->size) + 1 + (index / sizeof(struct sgx_pcmd)); +} + +/* + * Free a page from the backing storage in the given page index. + */ +static inline void sgx_encl_truncate_backing_page(struct sgx_encl *encl, pgoff_t index) +{ + struct inode *inode = file_inode(encl->backing); + + shmem_truncate_range(inode, PFN_PHYS(index), PFN_PHYS(index) + PAGE_SIZE - 1); +} + /* * ELDU: Load an EPC page as unblocked. For more info, see "OS Management of EPC * Pages" in the SDM. @@ -24,7 +45,10 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, struct sgx_encl *encl = encl_page->encl; struct sgx_pageinfo pginfo; struct sgx_backing b; + bool pcmd_page_empty; pgoff_t page_index; + pgoff_t pcmd_index; + u8 *pcmd_page; int ret; if (secs_page) @@ -38,8 +62,8 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, pginfo.addr = encl_page->desc & PAGE_MASK; pginfo.contents = (unsigned long)kmap_atomic(b.contents); - pginfo.metadata = (unsigned long)kmap_atomic(b.pcmd) + - b.pcmd_offset; + pcmd_page = kmap_atomic(b.pcmd); + pginfo.metadata = (unsigned long)pcmd_page + b.pcmd_offset; if (secs_page) pginfo.secs = (u64)sgx_get_epc_virt_addr(secs_page); @@ -55,11 +79,27 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, ret = -EFAULT; } - kunmap_atomic((void *)(unsigned long)(pginfo.metadata - b.pcmd_offset)); + memset(pcmd_page + b.pcmd_offset, 0, sizeof(struct sgx_pcmd)); + + /* + * The area for the PCMD in the page was zeroed above. Check if the + * whole page is now empty meaning that all PCMD's have been zeroed: + */ + pcmd_page_empty = !memchr_inv(pcmd_page, 0, PAGE_SIZE); + + kunmap_atomic(pcmd_page); kunmap_atomic((void *)(unsigned long)pginfo.contents); sgx_encl_put_backing(&b, false); + /* Free the backing memory. */ + sgx_encl_truncate_backing_page(encl, page_index); + + if (pcmd_page_empty) { + pcmd_index = sgx_encl_get_backing_pcmd_nr(encl, page_index); + sgx_encl_truncate_backing_page(encl, pcmd_index); + } + return ret; } @@ -577,7 +617,7 @@ static struct page *sgx_encl_get_backing_page(struct sgx_encl *encl, int sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index, struct sgx_backing *backing) { - pgoff_t pcmd_index = PFN_DOWN(encl->size) + 1 + (page_index >> 5); + pgoff_t pcmd_index = sgx_encl_get_backing_pcmd_nr(encl, page_index); struct page *contents; struct page *pcmd; -- 2.34.1

2 years, 7 months

3
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0 0

stable-rc/queue/4.9 baseline: 59 runs, 1 regressions (v4.9.302-33-g87c80823742f)

by kernelci.org bot

stable-rc/queue/4.9 baseline: 59 runs, 1 regressions (v4.9.302-33-g87c80823742f) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ---------+------+---------------+----------+---------------------+------------ panda | arm | lab-collabora | gcc-10 | omap2plus_defconfig | 1 Details: https://kernelci.org/test/job/stable-rc/branch/queue%2F4.9/kernel/v4.9.302-… Test: baseline Tree: stable-rc Branch: queue/4.9 Describe: v4.9.302-33-g87c80823742f URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git SHA: 87c80823742f272df28ef6d2695192431b23d311 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ---------+------+---------------+----------+---------------------+------------ panda | arm | lab-collabora | gcc-10 | omap2plus_defconfig | 1 Details: https://kernelci.org/test/plan/id/6213b987ab47d92818c62996 Results: 4 PASS, 1 FAIL, 2 SKIP Full config: omap2plus_defconfig Compiler: gcc-10 (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//stable-rc/queue-4.9/v4.9.302-33-g87c80823742f… HTML log: https://storage.kernelci.org//stable-rc/queue-4.9/v4.9.302-33-g87c80823742f… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/buildroot-baseline/2022… * baseline.dmesg.emerg: https://kernelci.org/test/case/id/6213b987ab47d92818c6299a failing since 0 day (last pass: v4.9.302-26-gf49b0aafd7d5, first fail: v4.9.302-28-g96ac67c43b2b) 2 lines 2022-02-21T16:10:31.413845 [ 20.347503] <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=alert RESULT=pass UNITS=lines MEASUREMENT=0> 2022-02-21T16:10:31.458130 kern :emerg : BUG: spinlock bad magic on CPU#0, udevd/122 2022-02-21T16:10:31.467436 kern :emerg : lock: emif_lock+0x0/0xfffff230 [emif], .magic: dead4ead, .owner: <none>/-1, .owner_cpu: -1

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Linux-stable-mirror February 2022