25 Jan, 2021
1 commit
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Change-Id: I173bc0325c93daaf82bb894f77ba35fa827864de
09 Jan, 2021
1 commit
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[ Upstream commit 5d069dbe8aaf2a197142558b6fb2978189ba3454 ]
Jan Kara's analysis of the syzbot report (edited):
The reproducer opens a directory on FUSE filesystem, it then attaches
dnotify mark to the open directory. After that a fuse_do_getattr() call
finds that attributes returned by the server are inconsistent, and calls
make_bad_inode() which, among other things does:inode->i_mode = S_IFREG;
This then confuses dnotify which doesn't tear down its structures
properly and eventually crashes.Avoid calling make_bad_inode() on a live inode: switch to a private flag on
the fuse inode. Also add the test to ops which the bad_inode_ops would
have caught.This bug goes back to the initial merge of fuse in 2.6.14...
Reported-by: syzbot+f427adf9324b92652ccc@syzkaller.appspotmail.com
Signed-off-by: Miklos Szeredi
Tested-by: Jan Kara
Cc:
Signed-off-by: Sasha Levin
30 Dec, 2020
2 commits
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Changes in 5.10.4
hwmon: (k10temp) Remove support for displaying voltage and current on Zen CPUs
drm/gma500: fix double free of gma_connector
iio: adc: at91_adc: add Kconfig dep on the OF symbol and remove of_match_ptr()
drm/aspeed: Fix Kconfig warning & subsequent build errors
drm/mcde: Fix handling of platform_get_irq() error
drm/tve200: Fix handling of platform_get_irq() error
arm64: dts: renesas: hihope-rzg2-ex: Drop rxc-skew-ps from ethernet-phy node
arm64: dts: renesas: cat875: Remove rxc-skew-ps from ethernet-phy node
soc: renesas: rmobile-sysc: Fix some leaks in rmobile_init_pm_domains()
soc: mediatek: Check if power domains can be powered on at boot time
arm64: dts: mediatek: mt8183: fix gce incorrect mbox-cells value
arm64: dts: ipq6018: update the reserved-memory node
arm64: dts: qcom: sc7180: Fix one forgotten interconnect reference
soc: qcom: geni: More properly switch to DMA mode
Revert "i2c: i2c-qcom-geni: Fix DMA transfer race"
RDMA/bnxt_re: Set queue pair state when being queried
rtc: pcf2127: fix pcf2127_nvmem_read/write() returns
RDMA/bnxt_re: Fix entry size during SRQ create
selinux: fix error initialization in inode_doinit_with_dentry()
ARM: dts: aspeed-g6: Fix the GPIO memory size
ARM: dts: aspeed: s2600wf: Fix VGA memory region location
RDMA/core: Fix error return in _ib_modify_qp()
RDMA/rxe: Compute PSN windows correctly
x86/mm/ident_map: Check for errors from ident_pud_init()
ARM: p2v: fix handling of LPAE translation in BE mode
RDMA/rtrs-clt: Remove destroy_con_cq_qp in case route resolving failed
RDMA/rtrs-clt: Missing error from rtrs_rdma_conn_established
RDMA/rtrs-srv: Don't guard the whole __alloc_srv with srv_mutex
x86/apic: Fix x2apic enablement without interrupt remapping
ASoC: qcom: fix unsigned int bitwidth compared to less than zero
sched/deadline: Fix sched_dl_global_validate()
sched: Reenable interrupts in do_sched_yield()
drm/amdgpu: fix incorrect enum type
crypto: talitos - Endianess in current_desc_hdr()
crypto: talitos - Fix return type of current_desc_hdr()
crypto: inside-secure - Fix sizeof() mismatch
ASoC: sun4i-i2s: Fix lrck_period computation for I2S justified mode
drm/msm: Add missing stub definition
ARM: dts: aspeed: tiogapass: Remove vuart
drm/amdgpu: fix build_coefficients() argument
powerpc/64: Set up a kernel stack for secondaries before cpu_restore()
spi: img-spfi: fix reference leak in img_spfi_resume
f2fs: call f2fs_get_meta_page_retry for nat page
RDMA/mlx5: Fix corruption of reg_pages in mlx5_ib_rereg_user_mr()
perf test: Use generic event for expand_libpfm_events()
drm/msm/dp: DisplayPort PHY compliance tests fixup
drm/msm/dsi_pll_7nm: restore VCO rate during restore_state
drm/msm/dsi_pll_10nm: restore VCO rate during restore_state
drm/msm/dpu: fix clock scaling on non-sc7180 board
spi: spi-mem: fix reference leak in spi_mem_access_start
scsi: aacraid: Improve compat_ioctl handlers
pinctrl: core: Add missing #ifdef CONFIG_GPIOLIB
ASoC: pcm: DRAIN support reactivation
drm/bridge: tpd12s015: Fix irq registering in tpd12s015_probe
crypto: arm64/poly1305-neon - reorder PAC authentication with SP update
crypto: arm/aes-neonbs - fix usage of cbc(aes) fallback
crypto: caam - fix printing on xts fallback allocation error path
selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling
nl80211/cfg80211: fix potential infinite loop
spi: stm32: fix reference leak in stm32_spi_resume
bpf: Fix tests for local_storage
x86/mce: Correct the detection of invalid notifier priorities
drm/edid: Fix uninitialized variable in drm_cvt_modes()
ath11k: Initialize complete alpha2 for regulatory change
ath11k: Fix number of rules in filtered ETSI regdomain
ath11k: fix wmi init configuration
brcmfmac: Fix memory leak for unpaired brcmf_{alloc/free}
arm64: dts: exynos: Include common syscon restart/poweroff for Exynos7
arm64: dts: exynos: Correct psci compatible used on Exynos7
drm/panel: simple: Add flags to boe_nv133fhm_n61
Bluetooth: Fix null pointer dereference in hci_event_packet()
Bluetooth: Fix: LL PRivacy BLE device fails to connect
Bluetooth: hci_h5: fix memory leak in h5_close
spi: stm32-qspi: fix reference leak in stm32 qspi operations
spi: spi-ti-qspi: fix reference leak in ti_qspi_setup
spi: mt7621: fix missing clk_disable_unprepare() on error in mt7621_spi_probe
spi: tegra20-slink: fix reference leak in slink ops of tegra20
spi: tegra20-sflash: fix reference leak in tegra_sflash_resume
spi: tegra114: fix reference leak in tegra spi ops
spi: bcm63xx-hsspi: fix missing clk_disable_unprepare() on error in bcm63xx_hsspi_resume
spi: imx: fix reference leak in two imx operations
ASoC: qcom: common: Fix refcounting in qcom_snd_parse_of()
ath11k: Handle errors if peer creation fails
mwifiex: fix mwifiex_shutdown_sw() causing sw reset failure
drm/msm/a6xx: Clear shadow on suspend
drm/msm/a5xx: Clear shadow on suspend
firmware: tegra: fix strncpy()/strncat() confusion
drm/msm/dp: return correct connection status after suspend
drm/msm/dp: skip checking LINK_STATUS_UPDATED bit
drm/msm/dp: do not notify audio subsystem if sink doesn't support audio
selftests/run_kselftest.sh: fix dry-run typo
selftest/bpf: Add missed ip6ip6 test back
ASoC: wm8994: Fix PM disable depth imbalance on error
ASoC: wm8998: Fix PM disable depth imbalance on error
spi: sprd: fix reference leak in sprd_spi_remove
virtiofs fix leak in setup
ASoC: arizona: Fix a wrong free in wm8997_probe
RDMa/mthca: Work around -Wenum-conversion warning
ASoC: SOF: Intel: fix Kconfig dependency for SND_INTEL_DSP_CONFIG
arm64: dts: ti: k3-am65*/j721e*: Fix unit address format error for dss node
MIPS: BCM47XX: fix kconfig dependency bug for BCM47XX_BCMA
drm/amdgpu: fix compute queue priority if num_kcq is less than 4
soc: ti: omap-prm: Do not check rstst bit on deassert if already deasserted
crypto: Kconfig - CRYPTO_MANAGER_EXTRA_TESTS requires the manager
crypto: qat - fix status check in qat_hal_put_rel_rd_xfer()
firmware: arm_scmi: Fix missing destroy_workqueue()
drm/udl: Fix missing error code in udl_handle_damage()
staging: greybus: codecs: Fix reference counter leak in error handling
staging: gasket: interrupt: fix the missed eventfd_ctx_put() in gasket_interrupt.c
scripts: kernel-doc: Restore anonymous enum parsing
drm/amdkfd: Put ACPI table after using it
ionic: use mc sync for multicast filters
ionic: flatten calls to ionic_lif_rx_mode
ionic: change set_rx_mode from_ndo to can_sleep
media: tm6000: Fix sizeof() mismatches
media: platform: add missing put_device() call in mtk_jpeg_clk_init()
media: mtk-vcodec: add missing put_device() call in mtk_vcodec_init_dec_pm()
media: mtk-vcodec: add missing put_device() call in mtk_vcodec_release_dec_pm()
media: mtk-vcodec: add missing put_device() call in mtk_vcodec_init_enc_pm()
media: v4l2-fwnode: Return -EINVAL for invalid bus-type
media: v4l2-fwnode: v4l2_fwnode_endpoint_parse caller must init vep argument
media: ov5640: fix support of BT656 bus mode
media: staging: rkisp1: cap: fix runtime PM imbalance on error
media: cedrus: fix reference leak in cedrus_start_streaming
media: platform: add missing put_device() call in mtk_jpeg_probe() and mtk_jpeg_remove()
media: venus: core: change clk enable and disable order in resume and suspend
media: venus: core: vote for video-mem path
media: venus: core: vote with average bandwidth and peak bandwidth as zero
RDMA/cma: Add missing error handling of listen_id
ASoC: meson: fix COMPILE_TEST error
spi: dw: fix build error by selecting MULTIPLEXER
scsi: core: Fix VPD LUN ID designator priorities
media: venus: put dummy vote on video-mem path after last session release
media: solo6x10: fix missing snd_card_free in error handling case
video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init()
mmc: sdhci: tegra: fix wrong unit with busy_timeout
drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()
drm/meson: Free RDMA resources after tearing down DRM
drm/meson: Unbind all connectors on module removal
drm/meson: dw-hdmi: Register a callback to disable the regulator
drm/meson: dw-hdmi: Ensure that clocks are enabled before touching the TOP registers
ASoC: intel: SND_SOC_INTEL_KEEMBAY should depend on ARCH_KEEMBAY
iommu/vt-d: include conditionally on CONFIG_INTEL_IOMMU_SVM
Input: ads7846 - fix race that causes missing releases
Input: ads7846 - fix integer overflow on Rt calculation
Input: ads7846 - fix unaligned access on 7845
bus: mhi: core: Remove double locking from mhi_driver_remove()
bus: mhi: core: Fix null pointer access when parsing MHI configuration
usb/max3421: fix return error code in max3421_probe()
spi: mxs: fix reference leak in mxs_spi_probe
selftests/bpf: Fix broken riscv build
powerpc: Avoid broken GCC __attribute__((optimize))
powerpc/feature: Fix CPU_FTRS_ALWAYS by removing CPU_FTRS_GENERIC_32
ARM: dts: tacoma: Fix node vs reg mismatch for flash memory
Revert "powerpc/pseries/hotplug-cpu: Remove double free in error path"
powerpc/powernv/sriov: fix unsigned int win compared to less than zero
mfd: htc-i2cpld: Add the missed i2c_put_adapter() in htcpld_register_chip_i2c()
mfd: MFD_SL28CPLD should depend on ARCH_LAYERSCAPE
mfd: stmfx: Fix dev_err_probe() call in stmfx_chip_init()
mfd: cpcap: Fix interrupt regression with regmap clear_ack
EDAC/mce_amd: Use struct cpuinfo_x86.cpu_die_id for AMD NodeId
scsi: ufs: Avoid to call REQ_CLKS_OFF to CLKS_OFF
scsi: ufs: Fix clkgating on/off
rcu: Allow rcu_irq_enter_check_tick() from NMI
rcu,ftrace: Fix ftrace recursion
rcu/tree: Defer kvfree_rcu() allocation to a clean context
crypto: crypto4xx - Replace bitwise OR with logical OR in crypto4xx_build_pd
crypto: omap-aes - Fix PM disable depth imbalance in omap_aes_probe
crypto: sun8i-ce - fix two error path's memory leak
spi: fix resource leak for drivers without .remove callback
drm/meson: dw-hdmi: Disable clocks on driver teardown
drm/meson: dw-hdmi: Enable the iahb clock early enough
PCI: Disable MSI for Pericom PCIe-USB adapter
PCI: brcmstb: Initialize "tmp" before use
soc: ti: knav_qmss: fix reference leak in knav_queue_probe
soc: ti: Fix reference imbalance in knav_dma_probe
drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe
soc: qcom: initialize local variable
arm64: dts: qcom: sm8250: correct compatible for sm8250-mtp
arm64: dts: qcom: msm8916-samsung-a2015: Disable muic i2c pin bias
Input: omap4-keypad - fix runtime PM error handling
clk: meson: Kconfig: fix dependency for G12A
staging: mfd: hi6421-spmi-pmic: fix error return code in hi6421_spmi_pmic_probe()
ath11k: Fix the rx_filter flag setting for peer rssi stats
RDMA/cxgb4: Validate the number of CQEs
soundwire: Fix DEBUG_LOCKS_WARN_ON for uninitialized attribute
pinctrl: sunxi: fix irq bank map for the Allwinner A100 pin controller
memstick: fix a double-free bug in memstick_check
ARM: dts: at91: sam9x60: add pincontrol for USB Host
ARM: dts: at91: sama5d4_xplained: add pincontrol for USB Host
ARM: dts: at91: sama5d3_xplained: add pincontrol for USB Host
mmc: pxamci: Fix error return code in pxamci_probe
brcmfmac: fix error return code in brcmf_cfg80211_connect()
orinoco: Move context allocation after processing the skb
qtnfmac: fix error return code in qtnf_pcie_probe()
rsi: fix error return code in rsi_reset_card()
cw1200: fix missing destroy_workqueue() on error in cw1200_init_common
dmaengine: mv_xor_v2: Fix error return code in mv_xor_v2_probe()
arm64: dts: qcom: sdm845: Limit ipa iommu streams
leds: netxbig: add missing put_device() call in netxbig_leds_get_of_pdata()
leds: lp50xx: Fix an error handling path in 'lp50xx_probe_dt()'
leds: turris-omnia: check for LED_COLOR_ID_RGB instead LED_COLOR_ID_MULTI
arm64: tegra: Fix DT binding for IO High Voltage entry
RDMA/cma: Fix deadlock on &lock in rdma_cma_listen_on_all() error unwind
soundwire: qcom: Fix build failure when slimbus is module
drm/imx/dcss: fix rotations for Vivante tiled formats
media: siano: fix memory leak of debugfs members in smsdvb_hotplug
platform/x86: mlx-platform: Remove PSU EEPROM from default platform configuration
platform/x86: mlx-platform: Remove PSU EEPROM from MSN274x platform configuration
arm64: dts: qcom: sc7180: limit IPA iommu streams
RDMA/hns: Only record vlan info for HIP08
RDMA/hns: Fix missing fields in address vector
RDMA/hns: Avoid setting loopback indicator when smac is same as dmac
serial: 8250-mtk: Fix reference leak in mtk8250_probe
samples: bpf: Fix lwt_len_hist reusing previous BPF map
media: imx214: Fix stop streaming
mips: cdmm: fix use-after-free in mips_cdmm_bus_discover
media: max2175: fix max2175_set_csm_mode() error code
slimbus: qcom-ngd-ctrl: Avoid sending power requests without QMI
RDMA/core: Track device memory MRs
drm/mediatek: Use correct aliases name for ovl
HSI: omap_ssi: Don't jump to free ID in ssi_add_controller()
ARM: dts: Remove non-existent i2c1 from 98dx3236
arm64: dts: armada-3720-turris-mox: update ethernet-phy handle name
power: supply: bq25890: Use the correct range for IILIM register
arm64: dts: rockchip: Set dr_mode to "host" for OTG on rk3328-roc-cc
power: supply: max17042_battery: Fix current_{avg,now} hiding with no current sense
power: supply: axp288_charger: Fix HP Pavilion x2 10 DMI matching
power: supply: bq24190_charger: fix reference leak
genirq/irqdomain: Don't try to free an interrupt that has no mapping
arm64: dts: ls1028a: fix ENETC PTP clock input
arm64: dts: ls1028a: fix FlexSPI clock input
arm64: dts: freescale: sl28: combine SPI MTD partitions
phy: tegra: xusb: Fix usb_phy device driver field
arm64: dts: qcom: c630: Polish i2c-hid devices
arm64: dts: qcom: c630: Fix pinctrl pins properties
PCI: Bounds-check command-line resource alignment requests
PCI: Fix overflow in command-line resource alignment requests
PCI: iproc: Fix out-of-bound array accesses
PCI: iproc: Invalidate correct PAXB inbound windows
arm64: dts: meson: fix spi-max-frequency on Khadas VIM2
arm64: dts: meson-sm1: fix typo in opp table
soc: amlogic: canvas: add missing put_device() call in meson_canvas_get()
scsi: hisi_sas: Fix up probe error handling for v3 hw
scsi: pm80xx: Do not sleep in atomic context
spi: spi-fsl-dspi: Use max_native_cs instead of num_chipselect to set SPI_MCR
ARM: dts: at91: at91sam9rl: fix ADC triggers
RDMA/hns: Fix 0-length sge calculation error
RDMA/hns: Bugfix for calculation of extended sge
mailbox: arm_mhu_db: Fix mhu_db_shutdown by replacing kfree with devm_kfree
soundwire: master: use pm_runtime_set_active() on add
platform/x86: dell-smbios-base: Fix error return code in dell_smbios_init
ASoC: Intel: Boards: tgl_max98373: update TDM slot_width
media: max9271: Fix GPIO enable/disable
media: rdacm20: Enable GPIO1 explicitly
media: i2c: imx219: Selection compliance fixes
ath11k: Don't cast ath11k_skb_cb to ieee80211_tx_info.control
ath11k: Reset ath11k_skb_cb before setting new flags
ath11k: Fix an error handling path
ath10k: Fix the parsing error in service available event
ath10k: Fix an error handling path
ath10k: Release some resources in an error handling path
SUNRPC: rpc_wake_up() should wake up tasks in the correct order
NFSv4.2: condition READDIR's mask for security label based on LSM state
SUNRPC: xprt_load_transport() needs to support the netid "rdma6"
NFSv4: Fix the alignment of page data in the getdeviceinfo reply
net: sunrpc: Fix 'snprintf' return value check in 'do_xprt_debugfs'
lockd: don't use interval-based rebinding over TCP
NFS: switch nfsiod to be an UNBOUND workqueue.
selftests/seccomp: Update kernel config
vfio-pci: Use io_remap_pfn_range() for PCI IO memory
hwmon: (ina3221) Fix PM usage counter unbalance in ina3221_write_enable
f2fs: fix double free of unicode map
media: tvp5150: Fix wrong return value of tvp5150_parse_dt()
media: saa7146: fix array overflow in vidioc_s_audio()
powerpc/perf: Fix crash with is_sier_available when pmu is not set
powerpc/64: Fix an EMIT_BUG_ENTRY in head_64.S
powerpc/xmon: Fix build failure for 8xx
powerpc/perf: Fix to update radix_scope_qual in power10
powerpc/perf: Update the PMU group constraints for l2l3 events in power10
powerpc/perf: Fix the PMU group constraints for threshold events in power10
clocksource/drivers/orion: Add missing clk_disable_unprepare() on error path
clocksource/drivers/cadence_ttc: Fix memory leak in ttc_setup_clockevent()
clocksource/drivers/ingenic: Fix section mismatch
clocksource/drivers/riscv: Make RISCV_TIMER depends on RISCV_SBI
arm64: mte: fix prctl(PR_GET_TAGGED_ADDR_CTRL) if TCF0=NONE
iio: hrtimer-trigger: Mark hrtimer to expire in hard interrupt context
libbpf: Sanitise map names before pinning
ARM: dts: at91: sam9x60ek: remove bypass property
ARM: dts: at91: sama5d2: map securam as device
scripts: kernel-doc: fix parsing function-like typedefs
bpf: Fix bpf_put_raw_tracepoint()'s use of __module_address()
selftests/bpf: Fix invalid use of strncat in test_sockmap
pinctrl: falcon: add missing put_device() call in pinctrl_falcon_probe()
soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
arm64: dts: rockchip: Fix UART pull-ups on rk3328
memstick: r592: Fix error return in r592_probe()
MIPS: Don't round up kernel sections size for memblock_add()
mt76: mt7663s: fix a possible ple quota underflow
mt76: mt7915: set fops_sta_stats.owner to THIS_MODULE
mt76: set fops_tx_stats.owner to THIS_MODULE
mt76: dma: fix possible deadlock running mt76_dma_cleanup
net/mlx5: Properly convey driver version to firmware
mt76: fix memory leak if device probing fails
mt76: fix tkip configuration for mt7615/7663 devices
ASoC: jz4740-i2s: add missed checks for clk_get()
ASoC: q6afe-clocks: Add missing parent clock rate
dm ioctl: fix error return code in target_message
ASoC: cros_ec_codec: fix uninitialized memory read
ASoC: atmel: mchp-spdifrx needs COMMON_CLK
ASoC: qcom: fix QDSP6 dependencies, attempt #3
phy: mediatek: allow compile-testing the hdmi phy
phy: renesas: rcar-gen3-usb2: disable runtime pm in case of failure
memory: ti-emif-sram: only build for ARMv7
memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe()
drm/msm: a5xx: Make preemption reset case reentrant
drm/msm: add IOMMU_SUPPORT dependency
clocksource/drivers/arm_arch_timer: Use stable count reader in erratum sne
clocksource/drivers/arm_arch_timer: Correct fault programming of CNTKCTL_EL1.EVNTI
cpufreq: ap806: Add missing MODULE_DEVICE_TABLE
cpufreq: highbank: Add missing MODULE_DEVICE_TABLE
cpufreq: mediatek: Add missing MODULE_DEVICE_TABLE
cpufreq: qcom: Add missing MODULE_DEVICE_TABLE
cpufreq: st: Add missing MODULE_DEVICE_TABLE
cpufreq: sun50i: Add missing MODULE_DEVICE_TABLE
cpufreq: loongson1: Add missing MODULE_ALIAS
cpufreq: scpi: Add missing MODULE_ALIAS
cpufreq: vexpress-spc: Add missing MODULE_ALIAS
cpufreq: imx: fix NVMEM_IMX_OCOTP dependency
macintosh/adb-iop: Always wait for reply message from IOP
macintosh/adb-iop: Send correct poll command
staging: bcm2835: fix vchiq_mmal dependencies
staging: greybus: audio: Fix possible leak free widgets in gbaudio_dapm_free_controls
spi: dw: Fix error return code in dw_spi_bt1_probe()
Bluetooth: btusb: Add the missed release_firmware() in btusb_mtk_setup_firmware()
Bluetooth: btmtksdio: Add the missed release_firmware() in mtk_setup_firmware()
Bluetooth: sco: Fix crash when using BT_SNDMTU/BT_RCVMTU option
block/rnbd-clt: Dynamically alloc buffer for pathname & blk_symlink_name
block/rnbd: fix a null pointer dereference on dev->blk_symlink_name
Bluetooth: btusb: Fix detection of some fake CSR controllers with a bcdDevice val of 0x0134
platform/x86: intel-vbtn: Fix SW_TABLET_MODE always reporting 1 on some HP x360 models
adm8211: fix error return code in adm8211_probe()
mtd: spi-nor: sst: fix BPn bits for the SST25VF064C
mtd: spi-nor: ignore errors in spi_nor_unlock_all()
mtd: spi-nor: atmel: remove global protection flag
mtd: spi-nor: atmel: fix unlock_all() for AT25FS010/040
arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements
arm64: dts: meson: fix PHY deassert timing requirements
ARM: dts: meson: fix PHY deassert timing requirements
arm64: dts: meson: g12a: x96-max: fix PHY deassert timing requirements
arm64: dts: meson: g12b: w400: fix PHY deassert timing requirements
clk: fsl-sai: fix memory leak
scsi: qedi: Fix missing destroy_workqueue() on error in __qedi_probe
scsi: pm80xx: Fix error return in pm8001_pci_probe()
scsi: iscsi: Fix inappropriate use of put_device()
seq_buf: Avoid type mismatch for seq_buf_init
scsi: fnic: Fix error return code in fnic_probe()
platform/x86: mlx-platform: Fix item counter assignment for MSN2700, MSN24xx systems
platform/x86: mlx-platform: Fix item counter assignment for MSN2700/ComEx system
ARM: 9030/1: entry: omit FP emulation for UND exceptions taken in kernel mode
powerpc/pseries/hibernation: drop pseries_suspend_begin() from suspend ops
powerpc/pseries/hibernation: remove redundant cacheinfo update
powerpc/powermac: Fix low_sleep_handler with CONFIG_VMAP_STACK
drm/mediatek: avoid dereferencing a null hdmi_phy on an error message
ASoC: amd: change clk_get() to devm_clk_get() and add missed checks
coresight: remove broken __exit annotations
ASoC: max98390: Fix error codes in max98390_dsm_init()
powerpc/mm: sanity_check_fault() should work for all, not only BOOK3S
usb: ehci-omap: Fix PM disable depth umbalance in ehci_hcd_omap_probe
usb: oxu210hp-hcd: Fix memory leak in oxu_create
speakup: fix uninitialized flush_lock
nfsd: Fix message level for normal termination
NFSD: Fix 5 seconds delay when doing inter server copy
nfs_common: need lock during iterate through the list
x86/kprobes: Restore BTF if the single-stepping is cancelled
scsi: qla2xxx: Fix FW initialization error on big endian machines
scsi: qla2xxx: Fix N2N and NVMe connect retry failure
platform/chrome: cros_ec_spi: Don't overwrite spi::mode
misc: pci_endpoint_test: fix return value of error branch
bus: fsl-mc: add back accidentally dropped error check
bus: fsl-mc: fix error return code in fsl_mc_object_allocate()
fsi: Aspeed: Add mutex to protect HW access
s390/cio: fix use-after-free in ccw_device_destroy_console
iwlwifi: dbg-tlv: fix old length in is_trig_data_contained()
iwlwifi: mvm: hook up missing RX handlers
erofs: avoid using generic_block_bmap
clk: renesas: r8a779a0: Fix R and OSC clocks
can: m_can: m_can_config_endisable(): remove double clearing of clock stop request bit
powerpc/sstep: Emulate prefixed instructions only when CPU_FTR_ARCH_31 is set
powerpc/sstep: Cover new VSX instructions under CONFIG_VSX
slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew()
ALSA: hda/hdmi: fix silent stream for first playback to DP
RDMA/core: Do not indicate device ready when device enablement fails
RDMA/uverbs: Fix incorrect variable type
remoteproc/mediatek: change MT8192 CFG register base
remoteproc/mtk_scp: surround DT device IDs with CONFIG_OF
remoteproc: q6v5-mss: fix error handling in q6v5_pds_enable
remoteproc: qcom: fix reference leak in adsp_start
remoteproc: qcom: pas: fix error handling in adsp_pds_enable
remoteproc: k3-dsp: Fix return value check in k3_dsp_rproc_of_get_memories()
remoteproc: qcom: Fix potential NULL dereference in adsp_init_mmio()
remoteproc/mediatek: unprepare clk if scp_before_load fails
clk: qcom: gcc-sc7180: Use floor ops for sdcc clks
clk: tegra: Fix duplicated SE clock entry
mtd: rawnand: gpmi: fix reference count leak in gpmi ops
mtd: rawnand: meson: Fix a resource leak in init
mtd: rawnand: gpmi: Fix the random DMA timeout issue
samples/bpf: Fix possible hang in xdpsock with multiple threads
fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode()
extcon: max77693: Fix modalias string
crypto: atmel-i2c - select CONFIG_BITREVERSE
mac80211: don't set set TDLS STA bandwidth wider than possible
mac80211: fix a mistake check for rx_stats update
ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control()
irqchip/alpine-msi: Fix freeing of interrupts on allocation error path
irqchip/ti-sci-inta: Fix printing of inta id on probe success
irqchip/ti-sci-intr: Fix freeing of irqs
dmaengine: ti: k3-udma: Correct normal channel offset when uchan_cnt is not 0
RDMA/hns: Limit the length of data copied between kernel and userspace
RDMA/hns: Normalization the judgment of some features
RDMA/hns: Do shift on traffic class when using RoCEv2
gpiolib: irq hooks: fix recursion in gpiochip_irq_unmask
ath11k: Fix incorrect tlvs in scan start command
irqchip/qcom-pdc: Fix phantom irq when changing between rising/falling
watchdog: armada_37xx: Add missing dependency on HAS_IOMEM
watchdog: sirfsoc: Add missing dependency on HAS_IOMEM
watchdog: sprd: remove watchdog disable from resume fail path
watchdog: sprd: check busy bit before new loading rather than after that
watchdog: Fix potential dereferencing of null pointer
ubifs: Fix error return code in ubifs_init_authentication()
um: Monitor error events in IRQ controller
um: tty: Fix handling of close in tty lines
um: chan_xterm: Fix fd leak
sunrpc: fix xs_read_xdr_buf for partial pages receive
RDMA/mlx5: Fix MR cache memory leak
RDMA/cma: Don't overwrite sgid_attr after device is released
nfc: s3fwrn5: Release the nfc firmware
drm: mxsfb: Silence -EPROBE_DEFER while waiting for bridge
powerpc/perf: Fix Threshold Event Counter Multiplier width for P10
powerpc/ps3: use dma_mapping_error()
perf test: Fix metric parsing test
drm/amdgpu: fix regression in vbios reservation handling on headless
mm/gup: reorganize internal_get_user_pages_fast()
mm/gup: prevent gup_fast from racing with COW during fork
mm/gup: combine put_compound_head() and unpin_user_page()
mm: memcg/slab: fix return of child memcg objcg for root memcg
mm: memcg/slab: fix use after free in obj_cgroup_charge
mm/rmap: always do TTU_IGNORE_ACCESS
sparc: fix handling of page table constructor failure
mm/vmalloc: Fix unlock order in s_stop()
mm/vmalloc.c: fix kasan shadow poisoning size
mm,memory_failure: always pin the page in madvise_inject_error
hugetlb: fix an error code in hugetlb_reserve_pages()
mm: don't wake kswapd prematurely when watermark boosting is disabled
proc: fix lookup in /proc/net subdirectories after setns(2)
checkpatch: fix unescaped left brace
s390/test_unwind: fix CALL_ON_STACK tests
lan743x: fix rx_napi_poll/interrupt ping-pong
ice, xsk: clear the status bits for the next_to_use descriptor
i40e, xsk: clear the status bits for the next_to_use descriptor
net: dsa: qca: ar9331: fix sleeping function called from invalid context bug
dpaa2-eth: fix the size of the mapped SGT buffer
net: bcmgenet: Fix a resource leak in an error handling path in the probe functin
net: mscc: ocelot: Fix a resource leak in the error handling path of the probe function
net: allwinner: Fix some resources leak in the error handling path of the probe and in the remove function
block/rnbd-clt: Get rid of warning regarding size argument in strlcpy
block/rnbd-clt: Fix possible memleak
NFS/pNFS: Fix a typo in ff_layout_resend_pnfs_read()
net: korina: fix return value
devlink: use _BITUL() macro instead of BIT() in the UAPI header
libnvdimm/label: Return -ENXIO for no slot in __blk_label_update
powerpc/32s: Fix cleanup_cpu_mmu_context() compile bug
watchdog: qcom: Avoid context switch in restart handler
watchdog: coh901327: add COMMON_CLK dependency
clk: ti: Fix memleak in ti_fapll_synth_setup
pwm: zx: Add missing cleanup in error path
pwm: lp3943: Dynamically allocate PWM chip base
pwm: imx27: Fix overflow for bigger periods
pwm: sun4i: Remove erroneous else branch
io_uring: cancel only requests of current task
tools build: Add missing libcap to test-all.bin target
perf record: Fix memory leak when using '--user-regs=?' to list registers
qlcnic: Fix error code in probe
nfp: move indirect block cleanup to flower app stop callback
vdpa/mlx5: Use write memory barrier after updating CQ index
virtio_ring: Cut and paste bugs in vring_create_virtqueue_packed()
virtio_net: Fix error code in probe()
virtio_ring: Fix two use after free bugs
vhost scsi: fix error return code in vhost_scsi_set_endpoint()
epoll: check for events when removing a timed out thread from the wait queue
clk: bcm: dvp: Add MODULE_DEVICE_TABLE()
clk: at91: sama7g5: fix compilation error
clk: at91: sam9x60: remove atmel,osc-bypass support
clk: s2mps11: Fix a resource leak in error handling paths in the probe function
clk: sunxi-ng: Make sure divider tables have sentinel
clk: vc5: Use "idt,voltage-microvolt" instead of "idt,voltage-microvolts"
kconfig: fix return value of do_error_if()
powerpc/boot: Fix build of dts/fsl
powerpc/smp: Add __init to init_big_cores()
ARM: 9044/1: vfp: use undef hook for VFP support detection
ARM: 9036/1: uncompress: Fix dbgadtb size parameter name
perf probe: Fix memory leak when synthesizing SDT probes
io_uring: fix racy IOPOLL flush overflow
io_uring: cancel reqs shouldn't kill overflow list
Smack: Handle io_uring kernel thread privileges
proc mountinfo: make splice available again
io_uring: fix io_cqring_events()'s noflush
io_uring: fix racy IOPOLL completions
io_uring: always let io_iopoll_complete() complete polled io
vfio/pci: Move dummy_resources_list init in vfio_pci_probe()
vfio/pci/nvlink2: Do not attempt NPU2 setup on POWER8NVL NPU
media: gspca: Fix memory leak in probe
io_uring: fix io_wqe->work_list corruption
io_uring: fix 0-iov read buffer select
io_uring: hold uring_lock while completing failed polled io in io_wq_submit_work()
io_uring: fix ignoring xa_store errors
io_uring: fix double io_uring free
io_uring: make ctx cancel on exit targeted to actual ctx
media: sunxi-cir: ensure IR is handled when it is continuous
media: netup_unidvb: Don't leak SPI master in probe error path
media: ipu3-cio2: Remove traces of returned buffers
media: ipu3-cio2: Return actual subdev format
media: ipu3-cio2: Serialise access to pad format
media: ipu3-cio2: Validate mbus format in setting subdev format
media: ipu3-cio2: Make the field on subdev format V4L2_FIELD_NONE
Input: cyapa_gen6 - fix out-of-bounds stack access
ALSA: hda/ca0132 - Change Input Source enum strings.
ACPI: NFIT: Fix input validation of bus-family
PM: ACPI: PCI: Drop acpi_pm_set_bridge_wakeup()
Revert "ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks"
ACPI: PNP: compare the string length in the matching_id()
ALSA: hda: Fix regressions on clear and reconfig sysfs
ALSA: hda/ca0132 - Fix AE-5 rear headphone pincfg.
ALSA: hda/realtek: make bass spk volume adjustable on a yoga laptop
ALSA: hda/realtek - Enable headset mic of ASUS X430UN with ALC256
ALSA: hda/realtek - Enable headset mic of ASUS Q524UQK with ALC255
ALSA: hda/realtek - Add supported for more Lenovo ALC285 Headset Button
ALSA: pcm: oss: Fix a few more UBSAN fixes
ALSA/hda: apply jack fixup for the Acer Veriton N4640G/N6640G/N2510G
ALSA: hda/realtek: Add quirk for MSI-GP73
ALSA: hda/realtek: Apply jack fixup for Quanta NL3
ALSA: hda/realtek: Remove dummy lineout on Acer TravelMate P648/P658
ALSA: hda/realtek - Supported Dell fixed type headset
ALSA: usb-audio: Add VID to support native DSD reproduction on FiiO devices
ALSA: usb-audio: Disable sample read check if firmware doesn't give back
ALSA: usb-audio: Add alias entry for ASUS PRIME TRX40 PRO-S
ALSA: core: memalloc: add page alignment for iram
s390/smp: perform initial CPU reset also for SMT siblings
s390/kexec_file: fix diag308 subcode when loading crash kernel
s390/idle: add missing mt_cycles calculation
s390/idle: fix accounting with machine checks
s390/dasd: fix hanging device offline processing
s390/dasd: prevent inconsistent LCU device data
s390/dasd: fix list corruption of pavgroup group list
s390/dasd: fix list corruption of lcu list
binder: add flag to clear buffer on txn complete
ASoC: cx2072x: Fix doubly definitions of Playback and Capture streams
ASoC: AMD Renoir - add DMI table to avoid the ACP mic probe (broken BIOS)
ASoC: AMD Raven/Renoir - fix the PCI probe (PCI revision)
staging: comedi: mf6x4: Fix AI end-of-conversion detection
z3fold: simplify freeing slots
z3fold: stricter locking and more careful reclaim
perf/x86/intel: Add event constraint for CYCLE_ACTIVITY.STALLS_MEM_ANY
perf/x86/intel: Fix rtm_abort_event encoding on Ice Lake
perf/x86/intel/lbr: Fix the return type of get_lbr_cycles()
powerpc/perf: Exclude kernel samples while counting events in user space.
cpufreq: intel_pstate: Use most recent guaranteed performance values
crypto: ecdh - avoid unaligned accesses in ecdh_set_secret()
crypto: arm/aes-ce - work around Cortex-A57/A72 silion errata
m68k: Fix WARNING splat in pmac_zilog driver
Documentation: seqlock: s/LOCKTYPE/LOCKNAME/g
EDAC/i10nm: Use readl() to access MMIO registers
EDAC/amd64: Fix PCI component registration
cpuset: fix race between hotplug work and later CPU offline
dyndbg: fix use before null check
USB: serial: mos7720: fix parallel-port state restore
USB: serial: digi_acceleport: fix write-wakeup deadlocks
USB: serial: keyspan_pda: fix dropped unthrottle interrupts
USB: serial: keyspan_pda: fix write deadlock
USB: serial: keyspan_pda: fix stalled writes
USB: serial: keyspan_pda: fix write-wakeup use-after-free
USB: serial: keyspan_pda: fix tx-unthrottle use-after-free
USB: serial: keyspan_pda: fix write unthrottling
btrfs: do not shorten unpin len for caching block groups
btrfs: update last_byte_to_unpin in switch_commit_roots
btrfs: fix race when defragmenting leads to unnecessary IO
ext4: fix an IS_ERR() vs NULL check
ext4: fix a memory leak of ext4_free_data
ext4: fix deadlock with fs freezing and EA inodes
ext4: don't remount read-only with errors=continue on reboot
RISC-V: Fix usage of memblock_enforce_memory_limit
arm64: dts: ti: k3-am65: mark dss as dma-coherent
arm64: dts: marvell: keep SMMU disabled by default for Armada 7040 and 8040
KVM: arm64: Introduce handling of AArch32 TTBCR2 traps
KVM: x86: reinstate vendor-agnostic check on SPEC_CTRL cpuid bits
KVM: SVM: Remove the call to sev_platform_status() during setup
iommu/arm-smmu: Allow implementation specific write_s2cr
iommu/arm-smmu-qcom: Read back stream mappings
iommu/arm-smmu-qcom: Implement S2CR quirk
ARM: dts: pandaboard: fix pinmux for gpio user button of Pandaboard ES
ARM: dts: at91: sama5d2: fix CAN message ram offset and size
ARM: tegra: Populate OPP table for Tegra20 Ventana
xprtrdma: Fix XDRBUF_SPARSE_PAGES support
powerpc/32: Fix vmap stack - Properly set r1 before activating MMU on syscall too
powerpc: Fix incorrect stw{, ux, u, x} instructions in __set_pte_at
powerpc/rtas: Fix typo of ibm,open-errinjct in RTAS filter
powerpc/bitops: Fix possible undefined behaviour with fls() and fls64()
powerpc/feature: Add CPU_FTR_NOEXECUTE to G2_LE
powerpc/xmon: Change printk() to pr_cont()
powerpc/8xx: Fix early debug when SMC1 is relocated
powerpc/mm: Fix verification of MMU_FTR_TYPE_44x
powerpc/powernv/npu: Do not attempt NPU2 setup on POWER8NVL NPU
powerpc/powernv/memtrace: Don't leak kernel memory to user space
powerpc/powernv/memtrace: Fix crashing the kernel when enabling concurrently
ovl: make ioctl() safe
ima: Don't modify file descriptor mode on the fly
um: Remove use of asprinf in umid.c
um: Fix time-travel mode
ceph: fix race in concurrent __ceph_remove_cap invocations
SMB3: avoid confusing warning message on mount to Azure
SMB3.1.1: remove confusing mount warning when no SPNEGO info on negprot rsp
SMB3.1.1: do not log warning message if server doesn't populate salt
ubifs: wbuf: Don't leak kernel memory to flash
jffs2: Fix GC exit abnormally
jffs2: Fix ignoring mounting options problem during remounting
fsnotify: generalize handle_inode_event()
inotify: convert to handle_inode_event() interface
fsnotify: fix events reported to watching parent and child
jfs: Fix array index bounds check in dbAdjTree
drm/panfrost: Fix job timeout handling
drm/panfrost: Move the GPU reset bits outside the timeout handler
platform/x86: mlx-platform: remove an unused variable
drm/amdgpu: only set DP subconnector type on DP and eDP connectors
drm/amd/display: Fix memory leaks in S3 resume
drm/dp_aux_dev: check aux_dev before use in drm_dp_aux_dev_get_by_minor()
drm/i915: Fix mismatch between misplaced vma check and vma insert
iio: ad_sigma_delta: Don't put SPI transfer buffer on the stack
spi: pxa2xx: Fix use-after-free on unbind
spi: spi-sh: Fix use-after-free on unbind
spi: atmel-quadspi: Fix use-after-free on unbind
spi: spi-mtk-nor: Don't leak SPI master in probe error path
spi: ar934x: Don't leak SPI master in probe error path
spi: davinci: Fix use-after-free on unbind
spi: fsl: fix use of spisel_boot signal on MPC8309
spi: gpio: Don't leak SPI master in probe error path
spi: mxic: Don't leak SPI master in probe error path
spi: npcm-fiu: Disable clock in probe error path
spi: pic32: Don't leak DMA channels in probe error path
spi: rb4xx: Don't leak SPI master in probe error path
spi: rpc-if: Fix use-after-free on unbind
spi: sc18is602: Don't leak SPI master in probe error path
spi: spi-geni-qcom: Fix use-after-free on unbind
spi: spi-qcom-qspi: Fix use-after-free on unbind
spi: st-ssc4: Fix unbalanced pm_runtime_disable() in probe error path
spi: synquacer: Disable clock in probe error path
spi: mt7621: Disable clock in probe error path
spi: mt7621: Don't leak SPI master in probe error path
spi: atmel-quadspi: Disable clock in probe error path
spi: atmel-quadspi: Fix AHB memory accesses
soc: qcom: smp2p: Safely acquire spinlock without IRQs
mtd: spinand: Fix OOB read
mtd: parser: cmdline: Fix parsing of part-names with colons
mtd: core: Fix refcounting for unpartitioned MTDs
mtd: rawnand: qcom: Fix DMA sync on FLASH_STATUS register read
mtd: rawnand: meson: fix meson_nfc_dma_buffer_release() arguments
scsi: qla2xxx: Fix crash during driver load on big endian machines
scsi: lpfc: Fix invalid sleeping context in lpfc_sli4_nvmet_alloc()
scsi: lpfc: Fix scheduling call while in softirq context in lpfc_unreg_rpi
scsi: lpfc: Re-fix use after free in lpfc_rq_buf_free()
openat2: reject RESOLVE_BENEATH|RESOLVE_IN_ROOT
iio: buffer: Fix demux update
iio: adc: rockchip_saradc: fix missing clk_disable_unprepare() on error in rockchip_saradc_resume
iio: imu: st_lsm6dsx: fix edge-trigger interrupts
iio:light:rpr0521: Fix timestamp alignment and prevent data leak.
iio:light:st_uvis25: Fix timestamp alignment and prevent data leak.
iio:magnetometer:mag3110: Fix alignment and data leak issues.
iio:pressure:mpl3115: Force alignment of buffer
iio:imu:bmi160: Fix too large a buffer.
iio:imu:bmi160: Fix alignment and data leak issues
iio:adc:ti-ads124s08: Fix buffer being too long.
iio:adc:ti-ads124s08: Fix alignment and data leak issues.
md/cluster: block reshape with remote resync job
md/cluster: fix deadlock when node is doing resync job
pinctrl: sunxi: Always call chained_irq_{enter, exit} in sunxi_pinctrl_irq_handler
clk: ingenic: Fix divider calculation with div tables
clk: mvebu: a3700: fix the XTAL MODE pin to MPP1_9
clk: tegra: Do not return 0 on failure
counter: microchip-tcb-capture: Fix CMR value check
device-dax/core: Fix memory leak when rmmod dax.ko
dma-buf/dma-resv: Respect num_fences when initializing the shared fence list.
driver: core: Fix list corruption after device_del()
xen-blkback: set ring->xenblkd to NULL after kthread_stop()
xen/xenbus: Allow watches discard events before queueing
xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path()
xen/xenbus/xen_bus_type: Support will_handle watch callback
xen/xenbus: Count pending messages for each watch
xenbus/xenbus_backend: Disallow pending watch messages
memory: jz4780_nemc: Fix an error pointer vs NULL check in probe()
memory: renesas-rpc-if: Fix a node reference leak in rpcif_probe()
memory: renesas-rpc-if: Return correct value to the caller of rpcif_manual_xfer()
memory: renesas-rpc-if: Fix unbalanced pm_runtime_enable in rpcif_{enable,disable}_rpm
libnvdimm/namespace: Fix reaping of invalidated block-window-namespace labels
platform/x86: intel-vbtn: Allow switch events on Acer Switch Alpha 12
tracing: Disable ftrace selftests when any tracer is running
mt76: add back the SUPPORTS_REORDERING_BUFFER flag
of: fix linker-section match-table corruption
PCI: Fix pci_slot_release() NULL pointer dereference
regulator: axp20x: Fix DLDO2 voltage control register mask for AXP22x
remoteproc: sysmon: Ensure remote notification ordering
thermal/drivers/cpufreq_cooling: Update cpufreq_state only if state has changed
rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time
Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS"
null_blk: Fix zone size initialization
null_blk: Fail zone append to conventional zones
drm/edid: fix objtool warning in drm_cvt_modes()
x86/CPU/AMD: Save AMD NodeId as cpu_die_id
Linux 5.10.4Signed-off-by: Greg Kroah-Hartman
Change-Id: I25209e79d8b9faf5382087955a29b7404bdefe38 -
[ Upstream commit 66ab33bf6d4341574f88b511e856a73f6f2a921e ]
This can be triggered for example by adding the "-omand" mount option,
which will be rejected and virtio_fs_fill_super() will return an error.In such a case the allocations for fuse_conn and fuse_mount will leak due
to s_root not yet being set and so ->put_super() not being called.Fixes: a62a8ef9d97d ("virtio-fs: add virtiofs filesystem")
Signed-off-by: Miklos Szeredi
Signed-off-by: Sasha Levin
07 Nov, 2020
1 commit
-
Allows FUSE to report to inotify that it is acting as a layered filesystem.
The userspace component returns a string representing the location of the
underlying file. If the string cannot be resolved into a path, the top
level path is returned instead.Bug: 23904372
Bug: 171780975
Test: FileObserverTest and FileObserverTestLegacyPath on cuttlefish
Change-Id: Iabdca0bbedfbff59e9c820c58636a68ef9683d9f
Signed-off-by: Daniel Rosenberg
Signed-off-by: Alessio Balsini
03 Nov, 2020
5 commits
-
When using FUSE passthrough, read/write operations are directly forwarded
to the lower file system file through VFS, but there is no guarantee that
the process that is triggering the request has the right permissions to
access the lower file system. This would cause the read/write access to
fail.In passthrough file systems, where the FUSE daemon is responsible for the
enforcement of the lower file system access policies, often happens that
the process dealing with the FUSE file system doesn't have access to the
lower file system.
Being the FUSE daemon in charge of implementing the FUSE file operations,
that in the case of read/write operations usually simply results in the
copy of memory buffers from/to the lower file system respectively, these
operations are executed with the FUSE daemon privileges.This patch adds a reference to the FUSE daemon credentials, referenced at
FUSE_DEV_IOC_PASSTHROUGH_OPEN ioctl() time so that they can be used to
temporarily raise the user credentials when accessing lower file system
files in passthrough.
The process accessing the FUSE file with passthrough enabled temporarily
receives the privileges of the FUSE daemon while performing read/write
operations. Similar behavior is implemented in overlayfs.
These privileges will be reverted as soon as the IO operation completes.
This feature does not provide any higher security privileges to those
processes accessing the FUSE file system with passthrough enabled. This is
because it is still the FUSE daemon responsible for enabling or not the
passthrough feature at file open time, and should enable the feature only
after appropriate access policy checks.Bug: 168023149
Link: https://lore.kernel.org/lkml/20201026125016.1905945-6-balsini@android.com/
Signed-off-by: Alessio Balsini
Signed-off-by: Alessio Balsini
Change-Id: I1123f8113578eb8713f2b777a1b5ec76882bd762 -
Extend the passthrough feature by handling asynchronous IO both for read
and write operations.When an AIO request is received, if the request targets a FUSE file with
the passthrough functionality enabled, a new identical AIO request is
created. The new request targets the lower file system file and gets
assigned a special FUSE passthrough AIO completion callback.
When the lower file system AIO request is completed, the FUSE passthrough
AIO completion callback is executed and propagates the completion signal to
the FUSE AIO request by triggering its completion callback as well.Bug: 168023149
Link: https://lore.kernel.org/lkml/20201026125016.1905945-5-balsini@android.com/
Signed-off-by: Alessio Balsini
Signed-off-by: Alessio Balsini
Change-Id: I1e6b4602e0813c425a41f370c856d2e99e771277 -
All the read and write operations performed on fuse_files which have the
passthrough feature enabled are forwarded to the associated lower file
system file via VFS.Sending the request directly to the lower file system avoids the userspace
round-trip that, because of possible context switches and additional
operations might reduce the overall performance, especially in those cases
where caching doesn't help, for example in reads at random offsets.Verifying if a fuse_file has a lower file system file associated with can
be done by checking the validity of its passthrough_filp pointer. This
pointer is not NULL only if passthrough has been successfully enabled via
the appropriate ioctl().
When a read/write operation is requested for a FUSE file with passthrough
enabled, a new equivalent VFS request is generated, which instead targets
the lower file system file.
The VFS layer performs additional checks that allow for safer operations
but may cause the operation to fail if the process accessing the FUSE file
system does not have access to the lower file system.This change only implements synchronous requests in passthrough, returning
an error in the case of asynchronous operations, yet covering the majority
of the use cases.Bug: 168023149
Link: https://lore.kernel.org/lkml/20201026125016.1905945-4-balsini@android.com/
Signed-off-by: Alessio Balsini
Signed-off-by: Alessio Balsini
Change-Id: If76bb8725e1ac567f9dbe3edb79ebb4d43d77dfb -
Implement the FUSE passthrough ioctl() that associates the lower
(passthrough) file system file with the fuse_file.The file descriptor passed to the ioctl() by the FUSE daemon is used to
access the relative file pointer, that will be copied to the fuse_file data
structure to consolidate the link between the FUSE and lower file system.To enable the passthrough mode, userspace triggers the
FUSE_DEV_IOC_PASSTHROUGH_OPEN ioctl() and, if the call succeeds,
receives back an identifier that will be used at open/create response
time in the fuse_open_out field to associate the FUSE file to the lower
file system file.
The value returned by the ioctl() to userspace can be:
- > 0: success, the identifier can be used as part of an open/create
reply.
- < 0: an error occurred.
The value 0 has been left unused for backward compatibility: the
fuse_open_out field that is used to pass the passthrough_fh back to the
kernel uses the same bits that were previously as struct padding,
zero-initialized in the common libfuse implementation. Removing the 0
value fixes the ambiguity between the case in which 0 corresponds to a
real passthrough_fh or a missing implementation, simplifying the
userspace implementation.For the passthrough mode to be successfully activated, the lower file
system file must implement both read_ and write_iter file operations.
This extra check avoids special pseudo files to be targeted for this
feature.
Passthrough comes with another limitation: no further file system stacking
is allowed for those FUSE file systems using passthrough.Bug: 168023149
Link: https://lore.kernel.org/lkml/20201026125016.1905945-3-balsini@android.com/
Signed-off-by: Alessio Balsini
Signed-off-by: Alessio Balsini
Change-Id: Id6067dcb882d58daef5ffe44355c383cabeed547 -
Expose the FUSE_PASSTHROUGH interface to userspace and declare all the
basic data structures and functions as the skeleton on top of which the
FUSE passthrough functionality will be built.As part of this, introduce the new FUSE passthrough ioctl(), which
allows
the FUSE daemon to specify a direct connection between a FUSE file and a
lower file system file. Such ioctl() requires userspace to pass the file
descriptor of one of its opened files through the fuse_passthrough_out
data
structure introduced in this patch. This structure includes extra fields
for possible future extensions.
Also, add the passthrough functions for the set-up and tear-down of the
data structures and locks that will be used both when fuse_conns and
fuse_files are created/deleted.Bug: 168023149
Link: https://lore.kernel.org/lkml/20201026125016.1905945-2-balsini@android.com/
Signed-off-by: Alessio Balsini
Signed-off-by: Alessio Balsini
Change-Id: I6dd150b93607e10ed53f7e7975b35b6090080fa2
26 Oct, 2020
1 commit
-
…m/linux/kernel/git/mszeredi/fuse") into android-mainline
Steps on the way to 5.10-rc1
Resolves conflicts in:
fs/fuse/fuse_i.hSigned-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifa200ce8fae0e3b38c86351006824c62328c00f7
24 Oct, 2020
1 commit
-
…nux-block") into android-mainline
Steps on the way to 5.10-rc1
Resolves conflicts in:
include/linux/blk-crypto.hSigned-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I4012850c2e4b804d9e87e90b8e03a3b9ce21b5e7
20 Oct, 2020
1 commit
-
Pull fuse updates from Miklos Szeredi:
- Support directly accessing host page cache from virtiofs. This can
improve I/O performance for various workloads, as well as reducing
the memory requirement by eliminating double caching. Thanks to Vivek
Goyal for doing most of the work on this.- Allow automatic submounting inside virtiofs. This allows unique
st_dev/ st_ino values to be assigned inside the guest to files
residing on different filesystems on the host. Thanks to Max Reitz
for the patches.- Fix an old use after free bug found by Pradeep P V K.
* tag 'fuse-update-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (25 commits)
virtiofs: calculate number of scatter-gather elements accurately
fuse: connection remove fix
fuse: implement crossmounts
fuse: Allow fuse_fill_super_common() for submounts
fuse: split fuse_mount off of fuse_conn
fuse: drop fuse_conn parameter where possible
fuse: store fuse_conn in fuse_req
fuse: add submount support to
fuse: fix page dereference after free
virtiofs: add logic to free up a memory range
virtiofs: maintain a list of busy elements
virtiofs: serialize truncate/punch_hole and dax fault path
virtiofs: define dax address space operations
virtiofs: add DAX mmap support
virtiofs: implement dax read/write operations
virtiofs: introduce setupmapping/removemapping commands
virtiofs: implement FUSE_INIT map_alignment field
virtiofs: keep a list of free dax memory ranges
virtiofs: add a mount option to enable dax
virtiofs: set up virtio_fs dax_device
...
14 Oct, 2020
2 commits
-
virtiofs currently maps various buffers in scatter gather list and it looks
at number of pages (ap->pages) and assumes that same number of pages will
be used both for input and output (sg_count_fuse_req()), and calculates
total number of scatterlist elements accordingly.But looks like this assumption is not valid in all the cases. For example,
Cai Qian reported that trinity, triggers warning with virtiofs sometimes.
A closer look revealed that if one calls ioctl(fd, 0x5a004000, buf), it
will trigger following warning.WARN_ON(out_sgs + in_sgs != total_sgs)
In this case, total_sgs = 8, out_sgs=4, in_sgs=3. Number of pages is 2
(ap->pages), but out_sgs are using both the pages but in_sgs are using
only one page. In this case, fuse_do_ioctl() sets different size values
for input and output.args->in_args[args->in_numargs - 1].size == 6656
args->out_args[args->out_numargs - 1].size == 4096So current method of calculating how many scatter-gather list elements
will be used is not accurate. Make calculations more precise by parsing
size and ap->descs.Reported-by: Qian Cai
Signed-off-by: Vivek Goyal
Link: https://lore.kernel.org/linux-fsdevel/5ea77e9f6cb8c2db43b09fbd4158ab2d8c066a0a.camel@redhat.com/
Reviewed-by: Stefan Hajnoczi
Signed-off-by: Miklos Szeredi -
Pull block updates from Jens Axboe:
- Series of merge handling cleanups (Baolin, Christoph)
- Series of blk-throttle fixes and cleanups (Baolin)
- Series cleaning up BDI, seperating the block device from the
backing_dev_info (Christoph)- Removal of bdget() as a generic API (Christoph)
- Removal of blkdev_get() as a generic API (Christoph)
- Cleanup of is-partition checks (Christoph)
- Series reworking disk revalidation (Christoph)
- Series cleaning up bio flags (Christoph)
- bio crypt fixes (Eric)
- IO stats inflight tweak (Gabriel)
- blk-mq tags fixes (Hannes)
- Buffer invalidation fixes (Jan)
- Allow soft limits for zone append (Johannes)
- Shared tag set improvements (John, Kashyap)
- Allow IOPRIO_CLASS_RT for CAP_SYS_NICE (Khazhismel)
- DM no-wait support (Mike, Konstantin)
- Request allocation improvements (Ming)
- Allow md/dm/bcache to use IO stat helpers (Song)
- Series improving blk-iocost (Tejun)
- Various cleanups (Geert, Damien, Danny, Julia, Tetsuo, Tian, Wang,
Xianting, Yang, Yufen, yangerkun)* tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block: (191 commits)
block: fix uapi blkzoned.h comments
blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
blk-mq: get rid of the dead flush handle code path
block: get rid of unnecessary local variable
block: fix comment and add lockdep assert
blk-mq: use helper function to test hw stopped
block: use helper function to test queue register
block: remove redundant mq check
block: invoke blk_mq_exit_sched no matter whether have .exit_sched
percpu_ref: don't refer to ref->data if it isn't allocated
block: ratelimit handle_bad_sector() message
blk-throttle: Re-use the throtl_set_slice_end()
blk-throttle: Open code __throtl_de/enqueue_tg()
blk-throttle: Move service tree validation out of the throtl_rb_first()
blk-throttle: Move the list operation after list validation
blk-throttle: Fix IO hang for a corner case
blk-throttle: Avoid tracking latency if low limit is invalid
blk-throttle: Avoid getting the current time if tg->last_finish_time is 0
blk-throttle: Remove a meaningless parameter for throtl_downgrade_state()
block: Remove redundant 'return' statement
...
12 Oct, 2020
1 commit
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Re-add lost removal of fc from fuse_conn_list and the control filesystem.
Reported-by: kernel test robot
Fixes: fcee216beb9c ("fuse: split fuse_mount off of fuse_conn")
Signed-off-by: Miklos Szeredi
09 Oct, 2020
1 commit
-
FUSE servers can indicate crossmount points by setting FUSE_ATTR_SUBMOUNT
in fuse_attr.flags. The inode will then be marked as S_AUTOMOUNT, and the
.d_automount implementation creates a new submount at that location, so
that the submount gets a distinct st_dev value.Note that all submounts get a distinct superblock and a distinct st_dev
value, so for virtio-fs, even if the same filesystem is mounted more than
once on the host, none of its mount points will have the same st_dev. We
need distinct superblocks because the superblock points to the root node,
but the different host mounts may show different trees (e.g. due to
submounts in some of them, but not in others).Right now, this behavior is only enabled when fuse_conn.auto_submounts is
set, which is the case only for virtio-fs.Signed-off-by: Max Reitz
Signed-off-by: Miklos Szeredi
27 Sep, 2020
1 commit
-
…x/kernel/git/jejb/scsi") into 'android-mainline'
Fixes up a merge issue in:
net/ipv6/route.c
on the way to a 5.9-rc7 release.Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I4eb508eb3761b95ad8f39dd79f03b3352481ceaf
25 Sep, 2020
2 commits
-
Replace BDI_CAP_NO_ACCT_WB with a positive BDI_CAP_WRITEBACK_ACCT to
make the checks more obvious. Also remove the pointless
bdi_cap_account_writeback wrapper that just obsfucates the check.Signed-off-by: Christoph Hellwig
Reviewed-by: Jan Kara
Reviewed-by: Johannes Thumshirn
Signed-off-by: Jens Axboe -
Set up a readahead size by default, as very few users have a good
reason to change it. This means code, ecryptfs, and orangefs now
set up the values while they were previously missing it, while ubifs,
mtd and vboxsf manually set it to 0 to avoid readahead.Signed-off-by: Christoph Hellwig
Reviewed-by: Jan Kara
Acked-by: David Sterba [btrfs]
Acked-by: Richard Weinberger [ubifs, mtd]
Signed-off-by: Jens Axboe
18 Sep, 2020
6 commits
-
Submounts have their own superblock, which needs to be initialized.
However, they do not have a fuse_fs_context associated with them, and
the root node's attributes should be taken from the mountpoint's node.Extend fuse_fill_super_common() to work for submounts by making the @ctx
parameter optional, and by adding a @submount_finode parameter.(There is a plain "unsigned" in an existing code block that is being
indented by this commit. Extend it to "unsigned int" so checkpatch does
not complain.)Signed-off-by: Max Reitz
Signed-off-by: Miklos Szeredi -
We want to allow submounts for the same fuse_conn, but with different
superblocks so that each of the submounts has its own device ID. To do
so, we need to split all mount-specific information off of fuse_conn
into a new fuse_mount structure, so that multiple mounts can share a
single fuse_conn.We need to take care only to perform connection-level actions once (i.e.
when the fuse_conn and thus the first fuse_mount are established, or
when the last fuse_mount and thus the fuse_conn are destroyed). For
example, fuse_sb_destroy() must invoke fuse_send_destroy() until the
last superblock is released.To do so, we keep track of which fuse_mount is the root mount and
perform all fuse_conn-level actions only when this fuse_mount is
involved.Signed-off-by: Max Reitz
Reviewed-by: Stefan Hajnoczi
Signed-off-by: Miklos Szeredi -
With the last commit, all functions that handle some existing fuse_req
no longer need to be given the associated fuse_conn, because they can
get it from the fuse_req object.Signed-off-by: Max Reitz
Reviewed-by: Stefan Hajnoczi
Signed-off-by: Miklos Szeredi -
Every fuse_req belongs to a fuse_conn. Right now, we always know which
fuse_conn that is based on the respective device, but we want to allow
multiple (sub)mounts per single connection, and then the corresponding
filesystem is not going to be so trivial to obtain.Storing a pointer to the associated fuse_conn in every fuse_req will
allow us to trivially find any request's superblock (and thus
filesystem) even then.Signed-off-by: Max Reitz
Reviewed-by: Stefan Hajnoczi
Signed-off-by: Miklos Szeredi -
After unlock_request() pages from the ap->pages[] array may be put (e.g. by
aborting the connection) and the pages can be freed.Prevent use after free by grabbing a reference to the page before calling
unlock_request().The original patch was created by Pradeep P V K.
Reported-by: Pradeep P V K
Cc:
Signed-off-by: Miklos Szeredi -
the callers rely upon having any iov_iter_truncate() done inside
->direct_IO() countered by iov_iter_reexpand().Reported-by: Qian Cai
Tested-by: Qian Cai
Signed-off-by: Al Viro
10 Sep, 2020
12 commits
-
Add logic to free up a busy memory range. Freed memory range will be
returned to free pool. Add a worker which can be started to select
and free some busy memory ranges.Process can also steal one of its busy dax ranges if free range is not
available. I will refer it to as direct reclaim.If free range is not available and nothing can't be stolen from same
inode, caller waits on a waitq for free range to become available.For reclaiming a range, as of now we need to hold following locks in
specified order.down_write(&fi->i_mmap_sem);
down_write(&fi->dax->sem);We look for a free range in following order.
A. Try to get a free range.
B. If not, try direct reclaim.
C. If not, wait for a memory range to become freeSigned-off-by: Vivek Goyal
Signed-off-by: Liu Bo
Signed-off-by: Miklos Szeredi -
This list will be used selecting fuse_dax_mapping to free when number of
free mappings drops below a threshold.Signed-off-by: Vivek Goyal
Signed-off-by: Miklos Szeredi -
Currently in fuse we don't seem have any lock which can serialize fault
path with truncate/punch_hole path. With dax support I need one for
following reasons.1. Dax requirement
DAX fault code relies on inode size being stable for the duration of
fault and want to serialize with truncate/punch_hole and they explicitly
mention it.static vm_fault_t dax_iomap_pmd_fault(struct vm_fault *vmf, pfn_t *pfnp,
const struct iomap_ops *ops)
/*
* Check whether offset isn't beyond end of file now. Caller is
* supposed to hold locks serializing us with truncate / punch hole so
* this is a reliable test.
*/
max_pgoff = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);2. Make sure there are no users of pages being truncated/punch_hole
get_user_pages() might take references to page and then do some DMA
to said pages. Filesystem might truncate those pages without knowing
that a DMA is in progress or some I/O is in progress. So use
dax_layout_busy_page() to make sure there are no such references
and I/O is not in progress on said pages before moving ahead with
truncation.3. Limitation of kvm page fault error reporting
If we are truncating file on host first and then removing mappings in
guest lateter (truncate page cache etc), then this could lead to a
problem with KVM. Say a mapping is in place in guest and truncation
happens on host. Now if guest accesses that mapping, then host will
take a fault and kvm will either exit to qemu or spin infinitely.IOW, before we do truncation on host, we need to make sure that guest
inode does not have any mapping in that region or whole file.4. virtiofs memory range reclaim
Soon I will introduce the notion of being able to reclaim dax memory
ranges from a fuse dax inode. There also I need to make sure that
no I/O or fault is going on in the reclaimed range and nobody is using
it so that range can be reclaimed without issues.Currently if we take inode lock, that serializes read/write. But it does
not do anything for faults. So I add another semaphore fuse_inode->i_mmap_sem
for this purpose. It can be used to serialize with faults.As of now, I am adding taking this semaphore only in dax fault path and
not regular fault path because existing code does not have one. May
be existing code can benefit from it as well to take care of some
races, but that we can fix later if need be. For now, I am just focussing
only on DAX path which is new path.Also added logic to take fuse_inode->i_mmap_sem in
truncate/punch_hole/open(O_TRUNC) path to make sure file truncation and
fuse dax fault are mutually exlusive and avoid all the above problems.Signed-off-by: Vivek Goyal
Cc: Dave Chinner
Signed-off-by: Miklos Szeredi -
This is done along the lines of ext4 and xfs. I primarily wanted
->writepages hook at this time so that I could call into
dax_writeback_mapping_range(). This in turn will decide which pfns need to
be written back.Signed-off-by: Vivek Goyal
Signed-off-by: Miklos Szeredi -
Add DAX mmap() support.
Signed-off-by: Stefan Hajnoczi
Signed-off-by: Miklos Szeredi -
This patch implements basic DAX support. mmap() is not implemented
yet and will come in later patches. This patch looks into implemeting
read/write.We make use of interval tree to keep track of per inode dax mappings.
Do not use dax for file extending writes, instead just send WRITE message
to daemon (like we do for direct I/O path). This will keep write and
i_size change atomic w.r.t crash.Signed-off-by: Stefan Hajnoczi
Signed-off-by: Dr. David Alan Gilbert
Signed-off-by: Vivek Goyal
Signed-off-by: Liu Bo
Signed-off-by: Peng Tao
Cc: Dave Chinner
Signed-off-by: Miklos Szeredi -
The device communicates FUSE_SETUPMAPPING/FUSE_REMOVMAPPING alignment
constraints via the FUST_INIT map_alignment field. Parse this field and
ensure our DAX mappings meet the alignment constraints.We don't actually align anything differently since our mappings are
already 2MB aligned. Just check the value when the connection is
established. If it becomes necessary to honor arbitrary alignments in
the future we'll have to adjust how mappings are sized.The upshot of this commit is that we can be confident that mappings will
work even when emulating x86 on Power and similar combinations where the
host page sizes are different.Signed-off-by: Stefan Hajnoczi
Signed-off-by: Vivek Goyal
Signed-off-by: Miklos Szeredi -
Divide the dax memory range into fixed size ranges (2MB for now) and put
them in a list. This will track free ranges. Once an inode requires a
free range, we will take one from here and put it in interval-tree
of ranges assigned to inode.Signed-off-by: Vivek Goyal
Signed-off-by: Peng Tao
Signed-off-by: Miklos Szeredi -
Add a mount option to allow using dax with virtio_fs.
Signed-off-by: Vivek Goyal
Signed-off-by: Miklos Szeredi -
Setup a dax device.
Use the shm capability to find the cache entry and map it.
The DAX window is accessed by the fs/dax.c infrastructure and must have
struct pages (at least on x86). Use devm_memremap_pages() to map the
DAX window PCI BAR and allocate struct page.Signed-off-by: Stefan Hajnoczi
Signed-off-by: Dr. David Alan Gilbert
Signed-off-by: Vivek Goyal
Signed-off-by: Sebastien Boeuf
Signed-off-by: Liu Bo
Signed-off-by: Miklos Szeredi -
This option was introduced so that for virtio_fs we don't show any mounts
options fuse_show_options(). Because we don't offer any of these options
to be controlled by mounter.Very soon we are planning to introduce option "dax" which mounter should
be able to specify. And no_mount_options does not work anymore.Signed-off-by: Vivek Goyal
Signed-off-by: Miklos Szeredi -
This reduces code duplication and make it little easier to read code.
Signed-off-by: Vivek Goyal
Signed-off-by: Miklos Szeredi
04 Sep, 2020
1 commit
-
As stated in https://sourceforge.net/projects/fuse/, "the FUSE project has
moved to https://github.com/libfuse/" in 22-Dec-2015. Update URLs to
reflect this.Signed-off-by: André Almeida
Signed-off-by: Miklos Szeredi
12 Aug, 2020
1 commit
-
…l.org/pub/scm/linux/kernel/git/chrome-platform/linux") into android-mainline
Steps along the way to 5.9-rc1
Fixes conflicts in:
drivers/iommu/KconfigSigned-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I18e6789f4d31ebe065aeacd47411b31fa928f6b4