October 2019 - Linux-stable-mirror

[PATCH 3/3] tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations

by Jarkko Sakkinen

From: Vadim Sukhomlinov <sukhomlinov(a)google.com> commit db4d8cb9c9f2af71c4d087817160d866ed572cc9 upstream TPM 2.0 Shutdown involve sending TPM2_Shutdown to TPM chip and disabling future TPM operations. TPM 1.2 behavior was different, future TPM operations weren't disabled, causing rare issues. This patch ensures that future TPM operations are disabled. Fixes: d1bd4a792d39 ("tpm: Issue a TPM2_Shutdown for TPM2 devices.") Cc: stable(a)vger.kernel.org Signed-off-by: Vadim Sukhomlinov <sukhomlinov(a)google.com> [dianders: resolved merge conflicts with mainline] Signed-off-by: Douglas Anderson <dianders(a)chromium.org> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com> --- drivers/char/tpm/tpm-chip.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 0eca20c5a80c..dcf5bb153495 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -158,12 +158,13 @@ static int tpm_class_shutdown(struct device *dev) { struct tpm_chip *chip = container_of(dev, struct tpm_chip, dev); + down_write(&chip->ops_sem); if (chip->flags & TPM_CHIP_FLAG_TPM2) { - down_write(&chip->ops_sem); tpm2_shutdown(chip, TPM2_SU_CLEAR); chip->ops = NULL; - up_write(&chip->ops_sem); } + chip->ops = NULL; + up_write(&chip->ops_sem); return 0; } -- 2.20.1

5 years

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[PATCH 3/3] tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations

by Jarkko Sakkinen

From: Vadim Sukhomlinov <sukhomlinov(a)google.com> commit db4d8cb9c9f2af71c4d087817160d866ed572cc9 upstream TPM 2.0 Shutdown involve sending TPM2_Shutdown to TPM chip and disabling future TPM operations. TPM 1.2 behavior was different, future TPM operations weren't disabled, causing rare issues. This patch ensures that future TPM operations are disabled. Fixes: d1bd4a792d39 ("tpm: Issue a TPM2_Shutdown for TPM2 devices.") Cc: stable(a)vger.kernel.org Signed-off-by: Vadim Sukhomlinov <sukhomlinov(a)google.com> [dianders: resolved merge conflicts with mainline] Signed-off-by: Douglas Anderson <dianders(a)chromium.org> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com> --- drivers/char/tpm/tpm-chip.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 0eca20c5a80c..dcf5bb153495 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -158,12 +158,13 @@ static int tpm_class_shutdown(struct device *dev) { struct tpm_chip *chip = container_of(dev, struct tpm_chip, dev); + down_write(&chip->ops_sem); if (chip->flags & TPM_CHIP_FLAG_TPM2) { - down_write(&chip->ops_sem); tpm2_shutdown(chip, TPM2_SU_CLEAR); chip->ops = NULL; - up_write(&chip->ops_sem); } + chip->ops = NULL; + up_write(&chip->ops_sem); return 0; } -- 2.20.1

5 years

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✅ PASS: Stable queue: queue-5.3

by CKI Project

Hello, We ran automated tests on a patchset that was proposed for merging into this kernel tree. The patches were applied to: Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 0e7d6367ac13 - Linux 5.3.2 The results of these automated tests are provided below. Overall result: PASSED Merge: OK Compile: OK Tests: OK All kernel binaries, config files, and logs are available for download here: https://artifacts.cki-project.org/pipelines/201555 Please reply to this email if you have any questions about the tests that we ran or if you have any suggestions on how to make future tests more effective. ,-. ,-. ( C ) ( K ) Continuous `-',-.`-' Kernel ( I ) Integration `-' ______________________________________________________________________________ Merge testing ------------- We cloned this repository and checked out the following commit: Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 0e7d6367ac13 - Linux 5.3.2 We grabbed the b8df56437954 commit of the stable queue repository. We then merged the patchset with `git am`: arcnet-provide-a-buffer-big-enough-to-actually-receive-packets.patch cdc_ncm-fix-divide-by-zero-caused-by-invalid-wmaxpacketsize.patch ipv6-do-not-free-rt-if-fib_lookup_noref-is-set-on-suppress-rule.patch macsec-drop-skb-sk-before-calling-gro_cells_receive.patch net-phy-fix-dp83865-10-mbps-hdx-loopback-disable-function.patch net-qrtr-stop-rx_worker-before-freeing-node.patch net-sched-act_sample-don-t-push-mac-header-on-ip6gre-ingress.patch net_sched-add-max-len-check-for-tca_kind.patch net-stmmac-fix-page-pool-size.patch nfp-flower-fix-memory-leak-in-nfp_flower_spawn_vnic_reprs.patch nfp-flower-prevent-memory-leak-in-nfp_flower_spawn_phy_reprs.patch openvswitch-change-type-of-upcall_pid-attribute-to-nla_unspec.patch ppp-fix-memory-leak-in-ppp_write.patch sch_netem-fix-a-divide-by-zero-in-tabledist.patch selftests-update-fib_tests-to-handle-missing-ping6.patch skge-fix-checksum-byte-order.patch tcp_bbr-fix-quantization-code-to-not-raise-cwnd-if-not-probing-bandwidth.patch usbnet-ignore-endpoints-with-invalid-wmaxpacketsize.patch usbnet-sanity-checking-of-packet-sizes-and-device-mtu.patch net-rds-check-laddr_check-before-calling-it.patch net-mlx5e-fix-matching-on-tunnel-addresses-type.patch ipv6-fix-a-typo-in-fib6_rule_lookup.patch selftests-update-fib_nexthop_multiprefix-to-handle-missing-ping6.patch net-phy-micrel-add-asym-pause-workaround-for-ksz9021.patch net-sched-cbs-fix-not-adding-cbs-instance-to-list.patch ipv4-revert-removal-of-rt_uses_gateway.patch net_sched-add-policy-validation-for-action-attributes.patch vrf-do-not-attempt-to-create-ipv6-mcast-rule-if-ipv6-is-disabled.patch net-mlx5e-fix-traffic-duplication-in-ethtool-steering.patch net-sched-fix-possible-crash-in-tcf_action_destroy.patch tcp-better-handle-tcp_user_timeout-in-syn_sent-state.patch net-mlx5-add-device-id-of-upcoming-bluefield-2.patch misdn-enforce-cap_net_raw-for-raw-sockets.patch 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m68k-prevent-some-compiler-warnings-in-coldfire-buil.patch arm-dts-imx7d-cl-som-imx7-make-ethernet-work-again.patch arm64-dts-qcom-qcs404-evb-mark-wcss-clocks-protected.patch arm-dts-imx7-colibri-disable-hs400.patch x86-platform-intel-iosf_mbi-rewrite-locking.patch media-radio-si470x-kill-urb-on-error.patch media-hdpvr-add-terminating-0-at-end-of-string.patch asoc-uniphier-fix-double-reset-assersion-when-transi.patch powerpc-makefile-always-pass-synthetic-to-nm-if-supp.patch tools-headers-fixup-bitsperlong-per-arch-includes.patch asoc-sun4i-i2s-don-t-use-the-oversample-to-calculate.patch asoc-mchp-i2s-mcc-wait-for-rx-tx-rdy-only-if-control.patch led-triggers-fix-a-memory-leak-bug.patch asoc-mchp-i2s-mcc-fix-unprepare-of-gclk.patch nbd-add-missing-config-put.patch acpi-apei-release-resources-if-gen_pool_add-fails.patch arm64-entry-move-ct_user_exit-before-any-other-excep.patch s390-kasan-provide-uninstrumented-__strlen.patch media-mceusb-fix-eliminate-tx-ir-signal-length-limit.patch media-dvb-frontends-use-ida-for-pll-number.patch posix-cpu-timers-sanitize-bogus-warnons.patch media-dvb-core-fix-a-memory-leak-bug.patch edac-amd64-support-more-than-two-controllers-for-chi.patch cpufreq-imx-cpufreq-dt-add-i.mx8mn-support.patch libperf-fix-alignment-trap-with-xyarray-contents-in-.patch edac-amd64-recognize-dram-device-type-ecc-capability.patch edac-amd64-decode-syndrome-before-translating-addres.patch arm-at91-move-platform-specific-asm-offset.h-to-arch.patch soc-renesas-rmobile-sysc-set-genpd_flag_always_on-fo.patch soc-renesas-enable-arm_errata_754322-for-affected-co.patch pm-devfreq-fix-kernel-oops-on-governor-module-load.patch arm-omap2-move-platform-specific-asm-offset.h-to-arc.patch pm-devfreq-passive-use-non-devm-notifiers.patch pm-devfreq-exynos-bus-correct-clock-enable-sequence.patch media-cec-notifier-clear-cec_adap-in-cec_notifier_un.patch media-saa7146-add-cleanup-in-hexium_attach.patch media-cpia2_usb-fix-memory-leaks.patch media-saa7134-fix-terminology-around-saa7134_i2c_eep.patch perf-trace-beauty-ioctl-fix-off-by-one-error-in-cmd-.patch perf-report-fix-ns-time-sort-key-output.patch perf-script-fix-memory-leaks-in-list_scripts.patch media-aspeed-video-address-a-protential-usage-of-an-.patch media-ov9650-add-a-sanity-check.patch leds-lm3532-fixes-for-the-driver-for-stability.patch asoc-es8316-fix-headphone-mixer-volume-table.patch acpi-cppc-do-not-require-the-_psd-method.patch sched-cpufreq-align-trace-event-behavior-of-fast-swi.patch arm64-dts-meson-fix-boards-regulators-states-format.patch x86-apic-vector-warn-when-vector-space-exhaustion-br.patch arm64-kpti-ensure-patched-kernel-text-is-fetched-fro.patch perf-evlist-use-unshare-clone_fs-in-sb-threads-to-le.patch arm64-use-correct-ll-sc-atomic-constraints.patch jump_label-don-t-warn-on-__exit-jump-entries.patch x86-mm-pti-do-not-invoke-pti-functions-when-pti-is-d.patch asoc-fsl_ssi-fix-clock-control-issue-in-master-mode.patch x86-mm-pti-handle-unaligned-address-gracefully-in-pt.patch nvmet-fix-data-units-read-and-written-counters-in-sm.patch nvme-multipath-fix-ana-log-nsid-lookup-when-nsid-is-.patch alsa-firewire-motu-add-support-for-motu-4pre.patch iommu-amd-silence-warnings-under-memory-pressure.patch asoc-intel-haswell-adjust-machine-device-private-con.patch libata-ahci-drop-pcs-quirk-for-denverton-and-beyond.patch iommu-iova-avoid-false-sharing-on-fq_timer_on.patch libtraceevent-change-users-plugin-directory.patch asoc-dt-bindings-sun4i-spdif-fix-dma-names-warning.patch arm-dts-exynos-mark-ldo10-as-always-on-on-peach-pit-.patch x86-amd_nb-add-pci-device-ids-for-family-17h-model-7.patch acpi-custom_method-fix-memory-leaks.patch acpi-pci-fix-acpi_pci_irq_enable-memory-leak.patch closures-fix-a-race-on-wakeup-from-closure_sync.patch hwmon-k10temp-add-support-for-amd-family-17h-model-7.patch hwmon-acpi_power_meter-change-log-level-for-unsafe-s.patch md-raid1-fail-run-raid1-array-when-active-disk-less-.patch dmaengine-ti-edma-do-not-reset-reserved-param-slots.patch kprobes-prohibit-probing-on-bug-and-warn-address.patch x86-mm-fix-cpumask_of_node-error-condition.patch irqchip-sifive-plic-set-max-threshold-for-ignored-ha.patch s390-crypto-xts-aes-s390-fix-extra-run-time-crypto-s.patch irqchip-gic-v3-its-fix-lpi-release-for-multi-msi-dev.patch x86-cpu-add-tiger-lake-to-intel-family.patch platform-x86-intel_pmc_core-do-not-ioremap-ram.patch platform-x86-intel_pmc_core_pltdrv-module-removal-wa.patch soc-simple-card-utils-set-0hz-to-sysclk-when-shutdow.patch asoc-dmaengine-make-the-pcm-name-equal-to-pcm-id-if-.patch tools-power-x86-intel-speed-select-fix-memory-leak.patch spi-bcm2835-work-around-done-bit-erratum.patch io_uring-fix-wrong-sequence-setting-logic.patch block-make-rq-sector-size-accessible-for-block-stats.patch raid5-don-t-set-stripe_handle-to-stripe-which-is-in-.patch mmc-core-clarify-sdio_irq_pending-flag-for-mmc_cap2_.patch sched-psi-correct-overly-pessimistic-size-calculatio.patch mmc-sdhci-fix-incorrect-switch-to-hs-mode.patch mmc-core-add-helper-function-to-indicate-if-sdio-irq.patch mmc-dw_mmc-re-store-sdio-irqs-mask-at-system-resume.patch raid5-don-t-increment-read_errors-on-eilseq-return.patch mmc-mtk-sd-re-store-sdio-irqs-mask-at-system-resume.patch libertas-add-missing-sentinel-at-end-of-if_usb.c-fw_.patch e1000e-add-workaround-for-possible-stalled-packet.patch alsa-hda-add-a-quirk-model-for-fixing-huawei-mateboo.patch alsa-hda-drop-unsol-event-handler-for-intel-hdmi-cod.patch drm-amd-powerplay-smu7-enforce-minimal-vbitimeout-v2.patch media-ttusb-dec-fix-info-leak-in-ttusb_dec_send_comm.patch drm-fix-module-name-in-edid_firmware-log-message.patch alsa-hda-realtek-blacklist-pc-beep-for-lenovo-thinkc.patch iommu-amd-override-wrong-ivrs-ioapic-on-raven-ridge-.patch zd1211rw-remove-false-assertion-from-zd_mac_clear.patch btrfs-delayed-inode-kill-the-bug_on-in-btrfs_delete_.patch btrfs-extent-tree-make-sure-we-only-allocate-extents.patch btrfs-tree-checker-add-root_item-check.patch btrfs-detect-unbalanced-tree-with-empty-leaf-before-.patch kvm-nested-kvm-mmus-need-pae-root-too.patch media-omap3isp-set-device-on-omap3isp-subdevs.patch pm-devfreq-passive-fix-compiler-warning.patch arm-dts-logicpd-torpedo-baseboard-fix-missing-video.patch arm-omap2plus_defconfig-fix-missing-video.patch iwlwifi-fw-don-t-send-geo_tx_power_limit-command-to-fw-version-36.patch alsa-firewire-tascam-handle-error-code-when-getting-current-source-of-clock.patch alsa-firewire-tascam-check-intermediate-state-of-clock-status-and-retry.patch scsi-scsi_dh_rdac-zero-cdb-in-send_mode_select.patch scsi-qla2xxx-fix-relogin-to-prevent-modifying-scan_state-flag.patch printk-do-not-lose-last-line-in-kmsg-buffer-dump.patch ib-mlx5-free-mpi-in-mp_slave-mode.patch ib-hfi1-define-variables-as-unsigned-long-to-fix-kasan-warning.patch ib-hfi1-do-not-update-hcrc-for-a-kdeth-packet-during-fault-injection.patch rdma-fix-double-free-in-srq-creation-error-flow.patch randstruct-check-member-structs-in-is_pure_ops_struct.patch arm-dts-am3517-evm-fix-missing-video.patch rcu-tree-fix-sched_fifo-params.patch alsa-hda-realtek-pci-quirk-for-medion-e4254.patch blk-mq-add-callback-of-.cleanup_rq.patch scsi-implement-.cleanup_rq-callback.patch Compile testing --------------- We compiled the kernel for 3 architectures: aarch64: make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg ppc64le: make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg x86_64: make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg Hardware testing ---------------- We booted each kernel and ran the following tests: aarch64: Host 1: ✅ Boot test ✅ xfstests: xfs ✅ selinux-policy: serge-testsuite ✅ lvm thinp sanity ✅ storage: software RAID testing 🚧 ✅ Storage blktests Host 2: ⚡ Internal infrastructure issues prevented one or more tests (marked with ⚡⚡⚡) from running on this architecture. This is not the fault of the kernel that was tested. ✅ Boot test ✅ Podman system integration test (as root) ✅ Podman system integration test (as user) ✅ Loopdev Sanity ✅ jvm test suite ✅ AMTU (Abstract Machine Test Utility) ✅ Ethernet drivers sanity ✅ Networking socket: fuzz ✅ Networking TCP: keepalive test ✅ audit: audit testsuite test ✅ httpd: mod_ssl smoke sanity ✅ iotop: sanity ✅ tuned: tune-processes-through-perf ✅ Usex - version 1.9-29 ✅ storage: SCSI VPD 🚧 ⚡⚡⚡ LTP lite 🚧 ⚡⚡⚡ POSIX pjd-fstest suites 🚧 ⚡⚡⚡ Memory function: kaslr 🚧 ⚡⚡⚡ Networking MACsec: sanity 🚧 ⚡⚡⚡ Networking route: pmtu 🚧 ⚡⚡⚡ ALSA PCM loopback test 🚧 ⚡⚡⚡ ALSA Control (mixer) Userspace Element test 🚧 ⚡⚡⚡ storage: dm/common 🚧 ⚡⚡⚡ Networking route_func: local 🚧 ⚡⚡⚡ Networking route_func: forward 🚧 ⚡⚡⚡ Networking ipsec: basic netns transport 🚧 ⚡⚡⚡ Networking ipsec: basic netns tunnel ppc64le: Host 1: ✅ Boot test ✅ Podman system integration test (as root) ✅ Podman system integration test (as user) ✅ Loopdev Sanity ✅ jvm test suite ✅ AMTU (Abstract Machine Test Utility) ✅ Ethernet drivers sanity ✅ Networking socket: fuzz ✅ Networking TCP: keepalive test ✅ audit: audit testsuite test ✅ httpd: mod_ssl smoke sanity ✅ iotop: sanity ✅ tuned: tune-processes-through-perf ✅ Usex - version 1.9-29 🚧 ✅ LTP lite 🚧 ✅ POSIX pjd-fstest suites 🚧 ✅ Memory function: kaslr 🚧 ✅ Networking MACsec: sanity 🚧 ✅ Networking route: pmtu 🚧 ✅ Networking ipsec: basic netns tunnel 🚧 ✅ ALSA PCM loopback test 🚧 ✅ ALSA Control (mixer) Userspace Element test 🚧 ✅ storage: dm/common 🚧 ✅ Networking route_func: local 🚧 ✅ Networking route_func: forward Host 2: ✅ Boot test ✅ xfstests: xfs ✅ selinux-policy: serge-testsuite ✅ lvm thinp sanity ✅ storage: software RAID testing 🚧 ❌ Storage blktests x86_64: Host 1: ✅ Boot test ✅ xfstests: xfs ✅ selinux-policy: serge-testsuite ✅ lvm thinp sanity ✅ storage: software RAID testing 🚧 ✅ IOMMU boot test 🚧 ✅ Storage blktests Host 2: ✅ Boot test ✅ Podman system integration test (as root) ✅ Podman system integration test (as user) ✅ Loopdev Sanity ✅ jvm test suite ✅ AMTU (Abstract Machine Test Utility) ✅ Ethernet drivers sanity ✅ Networking socket: fuzz ✅ Networking TCP: keepalive test ✅ audit: audit testsuite test ✅ httpd: mod_ssl smoke sanity ✅ iotop: sanity ✅ tuned: tune-processes-through-perf ✅ pciutils: sanity smoke test ✅ Usex - version 1.9-29 ✅ storage: SCSI VPD ✅ stress: stress-ng 🚧 ✅ LTP lite 🚧 ✅ POSIX pjd-fstest suites 🚧 ✅ Memory function: kaslr 🚧 ✅ Networking MACsec: sanity 🚧 ✅ Networking route: pmtu 🚧 ✅ ALSA PCM loopback test 🚧 ✅ ALSA Control (mixer) Userspace Element test 🚧 ✅ storage: dm/common 🚧 ✅ Networking route_func: local 🚧 ✅ Networking route_func: forward 🚧 ✅ Networking ipsec: basic netns transport 🚧 ✅ Networking ipsec: basic netns tunnel Test sources: https://github.com/CKI-project/tests-beaker 💚 Pull requests are welcome for new tests or improvements to existing tests! Waived tests ------------ If the test run included waived tests, they are marked with 🚧. Such tests are executed but their results are not taken into account. Tests are waived when their results are not reliable enough, e.g. when they're just introduced or are being fixed.

5 years

1
0
0 0

FAILED: patch "[PATCH] staging: erofs: fix an error handling in erofs_readdir()" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From acb383f1dcb4f1e79b66d4be3a0b6f519a957b0d Mon Sep 17 00:00:00 2001 From: Gao Xiang <gaoxiang25(a)huawei.com> Date: Sun, 18 Aug 2019 20:54:57 +0800 Subject: [PATCH] staging: erofs: fix an error handling in erofs_readdir() Richard observed a forever loop of erofs_read_raw_page() [1] which can be generated by forcely setting ->u.i_blkaddr to 0xdeadbeef (as my understanding block layer can handle access beyond end of device correctly). After digging into that, it seems the problem is highly related with directories and then I found the root cause is an improper error handling in erofs_readdir(). Let's fix it now. [1] https://lore.kernel.org/r/1163995781.68824.1566084358245.JavaMail.zimbra@no… Reported-by: Richard Weinberger <richard(a)nod.at> Fixes: 3aa8ec716e52 ("staging: erofs: add directory operations") Cc: <stable(a)vger.kernel.org> # 4.19+ Reviewed-by: Chao Yu <yuchao0(a)huawei.com> Signed-off-by: Gao Xiang <gaoxiang25(a)huawei.com> Link: https://lore.kernel.org/r/20190818125457.25906-1-hsiangkao@aol.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c index 5f38382637e6..77ef856df9f3 100644 --- a/drivers/staging/erofs/dir.c +++ b/drivers/staging/erofs/dir.c @@ -82,8 +82,15 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) unsigned int nameoff, maxsize; dentry_page = read_mapping_page(mapping, i, NULL); - if (IS_ERR(dentry_page)) - continue; + if (dentry_page == ERR_PTR(-ENOMEM)) { + err = -ENOMEM; + break; + } else if (IS_ERR(dentry_page)) { + errln("fail to readdir of logical block %u of nid %llu", + i, EROFS_V(dir)->nid); + err = -EFSCORRUPTED; + break; + } de = (struct erofs_dirent *)kmap(dentry_page);

5 years

1
0
0 0

FAILED: patch "[PATCH] x86: KVM: svm: Fix a check in nested_svm_vmrun()" failed to apply to 5.3-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From a061985b81a20248da60589d01375ebe9bec4dfc Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter(a)oracle.com> Date: Tue, 27 Aug 2019 12:38:52 +0300 Subject: [PATCH] x86: KVM: svm: Fix a check in nested_svm_vmrun() We refactored this code a bit and accidentally deleted the "-" character from "-EINVAL". The kvm_vcpu_map() function never returns positive EINVAL. Fixes: c8e16b78c614 ("x86: KVM: svm: eliminate hardcoded RIP advancement from vmrun_interception()") Cc: stable(a)vger.kernel.org Signed-off-by: Dan Carpenter <dan.carpenter(a)oracle.com> Reviewed-by: Vitaly Kuznetsov <vkuznets(a)redhat.com> Reviewed-by: Sean Christopherson <sean.j.christopherson(a)intel.com> Signed-off-by: Paolo Bonzini <pbonzini(a)redhat.com> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index fdeaf8f44949..2854aafc489e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3598,7 +3598,7 @@ static int nested_svm_vmrun(struct vcpu_svm *svm) vmcb_gpa = svm->vmcb->save.rax; ret = kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(vmcb_gpa), &map); - if (ret == EINVAL) { + if (ret == -EINVAL) { kvm_inject_gp(&svm->vcpu, 0); return 1; } else if (ret) {

5 years

3
2
0 0

[PATCH 2/2] soundwire: depend on ACPI || OF

by Michal Suchanek

Now devicetree is supposrted for probing sondwire as well. Fixes: a2e484585ad3 ("soundwire: core: add device tree support for slave devices") Signed-off-by: Michal Suchanek <msuchanek(a)suse.de> --- drivers/soundwire/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig index c73bfbaa2659..c8c80df090d1 100644 --- a/drivers/soundwire/Kconfig +++ b/drivers/soundwire/Kconfig @@ -5,7 +5,7 @@ menuconfig SOUNDWIRE tristate "SoundWire support" - depends on ACPI + depends on ACPI || OF help SoundWire is a 2-Pin interface with data and clock line ratified by the MIPI Alliance. SoundWire is used for transporting data -- 2.23.0

5 years

4
3
0 0

FAILED: patch "[PATCH] staging: erofs: fix an error handling in erofs_readdir()" failed to apply to 5.3-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From acb383f1dcb4f1e79b66d4be3a0b6f519a957b0d Mon Sep 17 00:00:00 2001 From: Gao Xiang <gaoxiang25(a)huawei.com> Date: Sun, 18 Aug 2019 20:54:57 +0800 Subject: [PATCH] staging: erofs: fix an error handling in erofs_readdir() Richard observed a forever loop of erofs_read_raw_page() [1] which can be generated by forcely setting ->u.i_blkaddr to 0xdeadbeef (as my understanding block layer can handle access beyond end of device correctly). After digging into that, it seems the problem is highly related with directories and then I found the root cause is an improper error handling in erofs_readdir(). Let's fix it now. [1] https://lore.kernel.org/r/1163995781.68824.1566084358245.JavaMail.zimbra@no… Reported-by: Richard Weinberger <richard(a)nod.at> Fixes: 3aa8ec716e52 ("staging: erofs: add directory operations") Cc: <stable(a)vger.kernel.org> # 4.19+ Reviewed-by: Chao Yu <yuchao0(a)huawei.com> Signed-off-by: Gao Xiang <gaoxiang25(a)huawei.com> Link: https://lore.kernel.org/r/20190818125457.25906-1-hsiangkao@aol.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c index 5f38382637e6..77ef856df9f3 100644 --- a/drivers/staging/erofs/dir.c +++ b/drivers/staging/erofs/dir.c @@ -82,8 +82,15 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) unsigned int nameoff, maxsize; dentry_page = read_mapping_page(mapping, i, NULL); - if (IS_ERR(dentry_page)) - continue; + if (dentry_page == ERR_PTR(-ENOMEM)) { + err = -ENOMEM; + break; + } else if (IS_ERR(dentry_page)) { + errln("fail to readdir of logical block %u of nid %llu", + i, EROFS_V(dir)->nid); + err = -EFSCORRUPTED; + break; + } de = (struct erofs_dirent *)kmap(dentry_page);

5 years

1
0
0 0

FAILED: patch "[PATCH] staging: erofs: avoid endless loop of invalid lookback" failed to apply to 5.3-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 598bb8913d015150b7734b55443c0e53e7189fc7 Mon Sep 17 00:00:00 2001 From: Gao Xiang <gaoxiang25(a)huawei.com> Date: Mon, 19 Aug 2019 18:34:26 +0800 Subject: [PATCH] staging: erofs: avoid endless loop of invalid lookback distance 0 As reported by erofs-utils fuzzer, Lookback distance should be a positive number, so it should be actually looked back rather than spinning. Fixes: 02827e1796b3 ("staging: erofs: add erofs_map_blocks_iter") Cc: <stable(a)vger.kernel.org> # 4.19+ Signed-off-by: Gao Xiang <gaoxiang25(a)huawei.com> Reviewed-by: Chao Yu <yuchao0(a)huawei.com> Link: https://lore.kernel.org/r/20190819103426.87579-7-gaoxiang25@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> diff --git a/drivers/staging/erofs/zmap.c b/drivers/staging/erofs/zmap.c index 7408e86823a4..774dacbc5b32 100644 --- a/drivers/staging/erofs/zmap.c +++ b/drivers/staging/erofs/zmap.c @@ -350,6 +350,12 @@ static int vle_extent_lookback(struct z_erofs_maprecorder *m, switch (m->type) { case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD: + if (unlikely(!m->delta[0])) { + errln("invalid lookback distance 0 at nid %llu", + vi->nid); + DBG_BUGON(1); + return -EFSCORRUPTED; + } return vle_extent_lookback(m, m->delta[0]); case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN: map->m_flags &= ~EROFS_MAP_ZIPPED;

5 years

1
0
0 0

[PATCH v2 2/2] soundwire: depend on ACPI || OF

by Michal Suchanek

Now devicetree is supported for probing soundwire as well. On platforms built with !ACPI !OF (ie s390x) the device still cannot be probed and gives a build warning. Cc: stable(a)vger.kernel.org Fixes: a2e484585ad3 ("soundwire: core: add device tree support for slave devices") Signed-off-by: Michal Suchanek <msuchanek(a)suse.de> --- drivers/soundwire/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig index c73bfbaa2659..c8c80df090d1 100644 --- a/drivers/soundwire/Kconfig +++ b/drivers/soundwire/Kconfig @@ -5,7 +5,7 @@ menuconfig SOUNDWIRE tristate "SoundWire support" - depends on ACPI + depends on ACPI || OF help SoundWire is a 2-Pin interface with data and clock line ratified by the MIPI Alliance. SoundWire is used for transporting data -- 2.23.0

5 years

1
0
0 0

FAILED: patch "[PATCH] staging: erofs: fix an error handling in erofs_readdir()" failed to apply to 5.2-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.2-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From acb383f1dcb4f1e79b66d4be3a0b6f519a957b0d Mon Sep 17 00:00:00 2001 From: Gao Xiang <gaoxiang25(a)huawei.com> Date: Sun, 18 Aug 2019 20:54:57 +0800 Subject: [PATCH] staging: erofs: fix an error handling in erofs_readdir() Richard observed a forever loop of erofs_read_raw_page() [1] which can be generated by forcely setting ->u.i_blkaddr to 0xdeadbeef (as my understanding block layer can handle access beyond end of device correctly). After digging into that, it seems the problem is highly related with directories and then I found the root cause is an improper error handling in erofs_readdir(). Let's fix it now. [1] https://lore.kernel.org/r/1163995781.68824.1566084358245.JavaMail.zimbra@no… Reported-by: Richard Weinberger <richard(a)nod.at> Fixes: 3aa8ec716e52 ("staging: erofs: add directory operations") Cc: <stable(a)vger.kernel.org> # 4.19+ Reviewed-by: Chao Yu <yuchao0(a)huawei.com> Signed-off-by: Gao Xiang <gaoxiang25(a)huawei.com> Link: https://lore.kernel.org/r/20190818125457.25906-1-hsiangkao@aol.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c index 5f38382637e6..77ef856df9f3 100644 --- a/drivers/staging/erofs/dir.c +++ b/drivers/staging/erofs/dir.c @@ -82,8 +82,15 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) unsigned int nameoff, maxsize; dentry_page = read_mapping_page(mapping, i, NULL); - if (IS_ERR(dentry_page)) - continue; + if (dentry_page == ERR_PTR(-ENOMEM)) { + err = -ENOMEM; + break; + } else if (IS_ERR(dentry_page)) { + errln("fail to readdir of logical block %u of nid %llu", + i, EROFS_V(dir)->nid); + err = -EFSCORRUPTED; + break; + } de = (struct erofs_dirent *)kmap(dentry_page);

5 years

1
0
0 0

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