ci starts bisection 2024-02-14 00:23:43.009679892 +0000 UTC m=+42.046176011 bisecting cause commit starting from c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a building syzkaller on e66542d78f1cf0c783877440cd239a11fb73fb15 ensuring issue is reproducible on original commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: af454c9a3c62f747f0808138ca95479625b7ab89235281af4fc78a8116eacd16 run #0: crashed: INFO: task hung in evict run #1: crashed: INFO: task hung in evict run #2: crashed: INFO: task hung in evict run #3: crashed: INFO: task hung in evict run #4: crashed: INFO: task hung in evict run #5: crashed: INFO: task hung in evict run #6: crashed: INFO: task hung in evict run #7: crashed: INFO: task hung in evict run #8: crashed: INFO: task hung in evict run #9: crashed: INFO: task hung in evict run #10: crashed: INFO: task hung in evict run #11: crashed: INFO: task hung in evict run #12: crashed: INFO: task hung in evict run #13: crashed: INFO: task hung in evict run #14: crashed: INFO: task hung in evict run #15: crashed: INFO: task hung in evict run #16: crashed: INFO: task hung in evict run #17: crashed: INFO: task hung in evict run #18: crashed: INFO: task hung in evict run #19: boot failed: can't ssh into the instance representative crash: INFO: task hung in evict, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: efa5522e6511fef92836713e4e786dedcee02f85a9b050eb7752da6427227a3c all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3937 full=7962 leaves diff=2020 split chunks (needed=false): <2020> split chunk #0 of len 2020 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3aca99af75fcc1592aad8df985530fefb5c8b4fdeab07cfd3f7b1bfeb0c575eb run #0: crashed: INFO: task hung in corrupted run #1: crashed: INFO: task hung in evict run #2: crashed: INFO: task hung in evict run #3: crashed: INFO: task hung in evict run #4: crashed: INFO: task hung in evict run #5: crashed: INFO: task hung in evict run #6: crashed: INFO: task hung in evict run #7: crashed: INFO: task hung in evict run #8: crashed: INFO: task hung in evict run #9: crashed: INFO: task hung in evict representative crash: INFO: task hung in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f3245187470b182e225eb6bd5ff7b8cc04dfa48af63c7f59059900e847ceffc all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b48f999fcc2dbdeb7e41d7e8c6c196211fc404bdb5377887e4acbdf3e3fae6e all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7060ed21c3d77829c6fa6095172cc46e943fb1748b2e849ac595c07f2dfe9d9f all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c664e16bb1ba1c8cf1d7ecf3df5fd83bbb8ac15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3f176487506d61843fb179c882c2df793ed328327e92e4d8ff122a5bd109d1e all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] the chunk can be dropped minimized to 808 configs; suspects: [6LOWPAN AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM AX25 BLK_DEV_ZONED CFG80211 CMA COMMON_CLK DAX DLM DM_ZONED DRAGONRISE_FF DRM DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS DRM_DP_AUX_CHARDEV DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GCC_NO_STRINGOP_OVERFLOW GENERIC_PHY GENEVE GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS GVE HAMRADIO HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_CMEDIA HID_CORSAIR HID_CP2112 HID_DRAGONRISE HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MAGICMOUSE HID_MAYFLASH HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SMARTJOYPLUS HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_THRUSTMASTER HID_TIVO HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INFINIBAND_VIRT_DMA INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_TABLET INPUT_TOUCHSCREEN INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_TEST IOMMU_MM_DATA IOMMU_SVA IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_PROTO_TCP IRQ_TIME_ACCOUNTING L2TP LAPB LCD_CLASS_DEVICE LIBNVDIMM MAC802154 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD MMC MPTCP MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NFT_FWD_NETDEV NF_CONNTRACK_SNMP NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAGE_TABLE_ISOLATION PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RAS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIRTIO_FS VXLAN WAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.7 v6.6 v6.5 v6.3 v6.1 v5.19 v5.17 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 30 release tags testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48796e18b39bcbf54d826c82eed62298ceb856215acd327e3750b1c48eb5579b all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fcea8524c9c65c4c3e604c949f601ab215c320a78e0eac8ce8715f3637693693 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce46c0ad852afb6f9add1e6843d1155dee30b1e86902e16bf67f363aa6ec8d89 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 288f7ea0de6798815b0c713df33a54c19901e258500532c437c411d7dbf8d97f all runs: OK false negative chance: 0.000 # git bisect start 2dde18cd1d8fac735875f2e4987f11817cc0bc2c 457391b0380335d5e9a5babdec90ac53928b23b4 Bisecting: 15354 revisions left to test after this (roughly 14 steps) [d37537a1f7cf09e304fe7993cb5e732534a0fb22] Merge 6.4-rc5 into usb-next testing commit d37537a1f7cf09e304fe7993cb5e732534a0fb22 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bceed2cec72efa05c753e9e335e512add7841ded1e2b24611fdc9632dbfb8b17 all runs: OK false negative chance: 0.000 # git bisect good d37537a1f7cf09e304fe7993cb5e732534a0fb22 Bisecting: 7455 revisions left to test after this (roughly 13 steps) [1b722407a13b7f8658d2e26917791f32805980a2] Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm testing commit 1b722407a13b7f8658d2e26917791f32805980a2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bc5af24095d35414d0fbcdefab2a975626c2527bb33b911d1abd4a837eb7aec1 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 1b722407a13b7f8658d2e26917791f32805980a2 Bisecting: 4573 revisions left to test after this (roughly 12 steps) [6a8cbd9253abc1bd0df4d60c4c24fa555190376d] Merge tag 'v6.5-rc1-sysctl-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux testing commit 6a8cbd9253abc1bd0df4d60c4c24fa555190376d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38a365492243b3fd593d4d5bdff7d701f5c22505d791b13935c9da8903c237a0 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 6a8cbd9253abc1bd0df4d60c4c24fa555190376d Bisecting: 1652 revisions left to test after this (roughly 11 steps) [cd336f6562d3d7646a9cf071b902db200a1dd77b] Merge tag 'timers-core-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit cd336f6562d3d7646a9cf071b902db200a1dd77b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d104471b005868fd0457f99cf9c3a16523a7da210593cd87469a2b559e19a3d8 all runs: OK false negative chance: 0.000 # git bisect good cd336f6562d3d7646a9cf071b902db200a1dd77b Bisecting: 817 revisions left to test after this (roughly 10 steps) [729b39ec1bdb7e1ca594e14069d05f682d9ab868] Merge tag 'selinux-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux testing commit 729b39ec1bdb7e1ca594e14069d05f682d9ab868 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f5b1848b61613a87f29077630d34661c76c255d10501b9f6b1e058a72a4e2f88 all runs: OK false negative chance: 0.000 # git bisect good 729b39ec1bdb7e1ca594e14069d05f682d9ab868 Bisecting: 436 revisions left to test after this (roughly 9 steps) [acc72d59c7509540c27c49625cb4b5a8db1f1a84] mm/hugetlb: remove hugetlb_set_page_subpool() testing commit acc72d59c7509540c27c49625cb4b5a8db1f1a84 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 78463a9eab92d8fa5282b38196b9546465b6bc1659904f1354f82a82d5ec0940 all runs: OK false negative chance: 0.000 # git bisect good acc72d59c7509540c27c49625cb4b5a8db1f1a84 Bisecting: 244 revisions left to test after this (roughly 8 steps) [4171a9aa235988fc5cb19d84d493496cb73e6988] Merge tag 'regmap-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap testing commit 4171a9aa235988fc5cb19d84d493496cb73e6988 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a40ba186963f7eadb38a2a8ba8686de6ccc8a58b01e982f21b6e9c01567d238a all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 4171a9aa235988fc5cb19d84d493496cb73e6988 Bisecting: 103 revisions left to test after this (roughly 7 steps) [6e17c6de3ddf3073741d9c91a796ee696914d8a0] Merge tag 'mm-stable-2023-06-24-19-15' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 6e17c6de3ddf3073741d9c91a796ee696914d8a0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 830455a6fa73e8e26fb6ad40039f161e89222db5b6b87cdbdca5021213cc4500 all runs: OK false negative chance: 0.000 # git bisect good 6e17c6de3ddf3073741d9c91a796ee696914d8a0 Bisecting: 51 revisions left to test after this (roughly 6 steps) [a94181ec064b3ad1b6f573f5953e2011f8c90292] syscalls: add sys_ni_posix_timers prototype testing commit a94181ec064b3ad1b6f573f5953e2011f8c90292 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70bd7c1e3241a65c6a28824d8b56263bf9d114a4865cdaab82c40fa81a1157a9 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad a94181ec064b3ad1b6f573f5953e2011f8c90292 Bisecting: 25 revisions left to test after this (roughly 5 steps) [730211182ed083898fa5feb4b28459ffac4c9615] watchdog/hardlockup: change watchdog_nmi_enable() to void testing commit 730211182ed083898fa5feb4b28459ffac4c9615 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 35b488c0d460e5b44010348433deb1e0d238c2555cc6dbef79c78e2107cfbe16 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 730211182ed083898fa5feb4b28459ffac4c9615 Bisecting: 12 revisions left to test after this (roughly 4 steps) [525bb813a995283bef759659cfc00f3fc2d51e81] panic: hide unused global functions testing commit 525bb813a995283bef759659cfc00f3fc2d51e81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2058e86587e1ac52cda3d3c45675ecc73e85e496e4d775298041142870fd9af0 all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 525bb813a995283bef759659cfc00f3fc2d51e81 Bisecting: 6 revisions left to test after this (roughly 3 steps) [6b81459c9cb0e11e30b07ff0a171c27f3650eb82] squashfs: don't include buffer_head.h testing commit 6b81459c9cb0e11e30b07ff0a171c27f3650eb82 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87076cd63c448ad37f0828d1a7604fafcce63c52a92711fdae9b12c5bdd8903a all runs: OK false negative chance: 0.000 # git bisect good 6b81459c9cb0e11e30b07ff0a171c27f3650eb82 Bisecting: 3 revisions left to test after this (roughly 2 steps) [8f14a96386b2676a1ccdd9d2f1732fbd7248fa98] mm: page_poison: always declare __kernel_map_pages() function testing commit 8f14a96386b2676a1ccdd9d2f1732fbd7248fa98 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5cf3e19801e59c56dad751c1fbb2b654812e0e8e266f11662b9b7b987cbc29ad all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 8f14a96386b2676a1ccdd9d2f1732fbd7248fa98 Bisecting: 0 revisions left to test after this (roughly 1 step) [6ca0f81c0b96a5e29de48cb02062b5130d27dbe3] mm: percpu: unhide pcpu_embed_first_chunk prototype testing commit 6ca0f81c0b96a5e29de48cb02062b5130d27dbe3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ad2dbb9c3e30ff01dd035578ea80f7ad9add09c65b9fb79d2cc2b8e365147fb all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad 6ca0f81c0b96a5e29de48cb02062b5130d27dbe3 Bisecting: 0 revisions left to test after this (roughly 0 steps) [e994f5b677ee016a2535d9df826315122da1ae65] squashfs: cache partial compressed blocks testing commit e994f5b677ee016a2535d9df826315122da1ae65 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97701028d44253ef693c57cdf5d89a5792bd484cba87e43a19652eafe9ad1f3f all runs: crashed: INFO: task hung in evict representative crash: INFO: task hung in evict, types: [HANG] # git bisect bad e994f5b677ee016a2535d9df826315122da1ae65 e994f5b677ee016a2535d9df826315122da1ae65 is the first bad commit commit e994f5b677ee016a2535d9df826315122da1ae65 Author: Vincent Whitchurch Date: Wed May 17 16:18:19 2023 +0200 squashfs: cache partial compressed blocks Before commit 93e72b3c612adcaca1 ("squashfs: migrate from ll_rw_block usage to BIO"), compressed blocks read by squashfs were cached in the page cache, but that is not the case after that commit. That has lead to squashfs having to re-read a lot of sectors from disk/flash. For example, the first sectors of every metadata block need to be read twice from the disk. Once partially to read the length, and a second time to read the block itself. Also, in linear reads of large files, the last sectors of one data block are re-read from disk when reading the next data block, since the compressed blocks are of variable sizes and not aligned to device blocks. This extra I/O results in a degrade in read performance of, for example, ~16% in one scenario on my ARM platform using squashfs with dm-verity and NAND. Since the decompressed data is cached in the page cache or squashfs' internal metadata and fragment caches, caching _all_ compressed pages would lead to a lot of double caching and is undesirable. But make the code cache any disk blocks which were only partially requested, since these are the ones likely to include data which is needed by other file system blocks. This restores read performance in my test scenario. The compressed block caching is only applied when the disk block size is equal to the page size, to avoid having to deal with caching sub-page reads. [akpm@linux-foundation.org: fs/squashfs/block.c needs linux/pagemap.h] [vincent.whitchurch@axis.com: fix page update race] Link: https://lkml.kernel.org/r/20230526-squashfs-cache-fixup-v1-1-d54a7fa23e7b@axis.com [vincent.whitchurch@axis.com: fix page indices] Link: https://lkml.kernel.org/r/20230526-squashfs-cache-fixup-v1-2-d54a7fa23e7b@axis.com [akpm@linux-foundation.org: fix layout, per hch] Link: https://lkml.kernel.org/r/20230510-squashfs-cache-v4-1-3bd394e1ee71@axis.com Signed-off-by: Vincent Whitchurch Reviewed-by: Christoph Hellwig Reviewed-by: Phillip Lougher Signed-off-by: Andrew Morton fs/squashfs/block.c | 117 ++++++++++++++++++++++++++++++++++++++++--- fs/squashfs/squashfs_fs_sb.h | 1 + fs/squashfs/super.c | 17 +++++++ 3 files changed, 129 insertions(+), 6 deletions(-) accumulated error probability: 0.00 culprit signature: 97701028d44253ef693c57cdf5d89a5792bd484cba87e43a19652eafe9ad1f3f parent signature: 87076cd63c448ad37f0828d1a7604fafcce63c52a92711fdae9b12c5bdd8903a revisions tested: 26, total time: 11h42m25.644630729s (build: 4h5m26.072547798s, test: 4h44m55.071581071s) first bad commit: e994f5b677ee016a2535d9df826315122da1ae65 squashfs: cache partial compressed blocks recipients (to): ["akpm@linux-foundation.org" "hch@lst.de" "phillip@squashfs.org.uk" "vincent.whitchurch@axis.com"] recipients (cc): [] crash: INFO: task hung in evict INFO: task syz-executor.0:2834 blocked for more than 143 seconds. Not tainted 6.4.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:11416 pid:2834 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0x6d5/0x13f0 kernel/sched/core.c:6669 schedule+0x68/0xc0 kernel/sched/core.c:6745 io_schedule+0x3e/0x60 kernel/sched/core.c:8979 folio_wait_bit_common+0x200/0x4b0 mm/filemap.c:1301 folio_lock include/linux/pagemap.h:955 [inline] truncate_inode_pages_range+0x4eb/0x680 mm/truncate.c:422 evict+0xe1/0x2a0 fs/inode.c:667 dispose_list fs/inode.c:698 [inline] evict_inodes+0x183/0x1e0 fs/inode.c:748 generic_shutdown_super+0x3a/0x150 fs/super.c:479 kill_block_super+0x28/0x40 fs/super.c:1407 deactivate_locked_super+0x2f/0x90 fs/super.c:331 cleanup_mnt+0xe2/0x120 fs/namespace.c:1177 task_work_run+0x83/0xb0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xa4/0xc0 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x64/0xb0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x2c/0x1e0 kernel/entry/common.c:297 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x73/0xdd RIP: 0033:0x7fd7d8a7f0d7 RSP: 002b:00007ffe6cededb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd7d8a7f0d7 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe6cedee70 RBP: 00007ffe6cedee70 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe6cedff30 R13: 00007fd7d8ac93b9 R14: 000000000000ad67 R15: 0000000000000002 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff83fda168 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:518 [inline] #0: ffffffff83fda168 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x9c/0x460 kernel/rcu/tasks.h:563 1 lock held by khungtaskd/27: #0: ffffffff83fda040 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 include/trace/events/initcall.h:48 2 locks held by getty/2265: #0: ffff88810377b098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243 #1: ffffc90000bfb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x20e/0x8e0 drivers/tty/n_tty.c:2176 1 lock held by syz-executor.0/2834: #0: ffff8881027410e0 (&type->s_umount_key#47){....}-{3:3}, at: deactivate_super+0x2f/0x40 fs/super.c:361 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x83/0xd0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x146/0x160 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x8b/0x140 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0x4f4/0x520 kernel/hung_task.c:379 kthread+0xeb/0x100 kernel/kthread.c:379 ret_from_fork+0x2c/0x50 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10 Comm: kworker/u4:0 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:__default_send_IPI_dest_field+0x3e/0x60 arch/x86/kernel/apic/ipi.c:173 Code: 5f ff 00 10 00 00 74 0f f3 90 f7 04 25 00 c3 5f ff 00 10 00 00 75 f1 c1 e5 18 89 2c 25 10 c3 5f ff 09 de 89 34 25 00 c3 5f ff <5b> 5d e9 5b 88 c3 01 48 8b 05 f4 ca aa 02 4c 8b 58 28 e8 4b 83 c3 RSP: 0018:ffffc900000a3c30 EFLAGS: 00000002 RAX: ee37212045998400 RBX: 0000000000000800 RCX: ffff888102640000 RDX: 0000000000000800 RSI: 00000000000008fb RDI: 0000000000000002 RBP: 0000000002000000 R08: 0000000000000000 R09: 0005800000000000 R10: 0000000000000000 R11: ffffffff81068cf0 R12: 0000000000000001 R13: 0000000000000002 R14: 0000000000000000 R15: ffff88813bc2ea40 FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5a6b8ab200 CR3: 0000000003ea8000 CR4: 0000000000350ef0 Call Trace: _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:56 [inline] flat_send_IPI_mask+0x34/0x80 arch/x86/kernel/apic/apic_flat_64.c:64 arch_send_call_function_single_ipi arch/x86/include/asm/smp.h:109 [inline] send_call_function_single_ipi kernel/smp.c:112 [inline] smp_call_function_many_cond+0x51f/0x9d0 kernel/smp.c:810 on_each_cpu_cond_mask+0x3a/0x70 kernel/smp.c:996 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1770 [inline] text_poke_bp_batch+0x217/0x300 arch/x86/kernel/alternative.c:2032 text_poke_flush arch/x86/kernel/alternative.c:2161 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2168 arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked kernel/jump_label.c:235 [inline] static_key_disable+0x3f/0x60 kernel/jump_label.c:243 toggle_allocation_gate+0xe2/0x130 mm/kfence/core.c:836 process_one_work+0x247/0x490 kernel/workqueue.c:2405 worker_thread+0x218/0x370 kernel/workqueue.c:2552 kthread+0xeb/0x100 kernel/kthread.c:379 ret_from_fork+0x2c/0x50 arch/x86/entry/entry_64.S:308