ci starts bisection 2025-02-13 21:59:34.56207731 +0000 UTC m=+111.305368208 bisecting cause commit starting from 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 building syzkaller on 2afad16efd9ec2029fe61dcd74d9d5154dce0f2e ensuring issue is reproducible on original commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e35aa5a289bd1c960260611a4d05fc7f614638c571ac282829c322ab2b373d2e all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26ce6f632cc19cfa41b2044e3324d1f58be5904803e7b98618e03114cab51f8c all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4062 full=8267 leaves diff=2120 split chunks (needed=false): <2120> split chunk #0 of len 2120 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d49e21dcd23849197f634b67efa4102c869115a47df2de245f1d30fd03df3d1 all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 7b7a883c7f4de1ee5040bd1c32aabaafde54d209: drivers/gpu/drm/bridge/aux-bridge.c:116: undefined reference to `devm_drm_of_get_bridge' testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f36f4cc8800f7f26af9302f4ea783b23049b53591b20bcf4b58d3f372aacf9f0 all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0ba2bd637c4649f4079e8a476263db278d43e3ea09d1ded49463a0b5649d2a79 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7eb3f82c9d4fbcedfaf738380b0601cd37b27610ac5ca86db8565d2099c02896 all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] the chunk can be dropped minimized to 848 configs; suspects: [6LOWPAN AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT ASUS_WMI ATM AX25 BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD 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 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_CXUSB_ANALOG 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 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 EXTCON_PTN5150 EXTCON_USBC_TUSB320 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_DEVICE 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 GENDWARFKSYMS GENERIC_PHY GENEVE GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS GVE HAMRADIO HARDENED_USERCOPY_DEFAULT_ON 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_KVM_READONLY_MEM 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_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_NVIDIA_SHIELD HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PLAYSTATION HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE 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_SIGMAMICRO HID_SMARTJOYPLUS HID_SPEEDLINK HID_STEAM HID_STEELSERIES HID_THINGM HID_THRUSTMASTER HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA 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_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST 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 IRQ_TIME_ACCOUNTING L2TP LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MAC802154 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_VIPERBOARD MMC MODVERSIONS MPTCP MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV 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 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 NVIDIA_SHIELD_FF 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_REPORTING 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 PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RAS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD 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_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO 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 SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS 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_HDA_SCODEC_COMPONENT 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_ELD 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_SOC_SDCA_OPTIONAL SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 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 SPARSEMEM_VMEMMAP_PREINIT SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI 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 STEAM_FF 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 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 TEE TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP 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_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PI3USB30532 TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 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 UCSI_CCG UCSI_STM32G0 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_CDNS2_UDC USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIRTIO_FS VXLAN WAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.13 v6.12 v6.11 v6.9 v6.7 v6.5 v6.3 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 36 release tags testing release v6.13 testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c75568b464b4ac80c034b8e73e866b3aa5e99a287a7ef6af500625486176267c all runs: OK false negative chance: 0.000 # git bisect start 7b7a883c7f4de1ee5040bd1c32aabaafde54d209 ffd294d346d185b70e28b1a28abe367bbfe53c04 Bisecting: 6884 revisions left to test after this (roughly 13 steps) [f10203927097ff9e5a251f170038fefa38e274b7] Merge tag 'soc-dt-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit f10203927097ff9e5a251f170038fefa38e274b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3339c2dd068c56279087156ca92352c01ca5c0c167b4d4c6cfc4504720e56d15 all runs: OK false negative chance: 0.000 # git bisect good f10203927097ff9e5a251f170038fefa38e274b7 Bisecting: 3444 revisions left to test after this (roughly 12 steps) [954a209f431c06b62718a49b403bd4c549f0d6fb] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm testing commit 954a209f431c06b62718a49b403bd4c549f0d6fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 692e3671513843b99f7334f6cbc04053b48826612e7bb777282bd43b6d3d0d15 all runs: OK false negative chance: 0.000 # git bisect good 954a209f431c06b62718a49b403bd4c549f0d6fb Bisecting: 1729 revisions left to test after this (roughly 11 steps) [107f116f3940d2c9e0693ef4e7441a6b3aaca677] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git testing commit 107f116f3940d2c9e0693ef4e7441a6b3aaca677 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97220c0be24b0a751df4d3a3b5b4ce46fed92eb886b7e1ea1ede31b29d34f3fe all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] # git bisect bad 107f116f3940d2c9e0693ef4e7441a6b3aaca677 Bisecting: 869 revisions left to test after this (roughly 10 steps) [be332be89552b84caa964ac09a9d2f488ae7bebb] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git testing commit be332be89552b84caa964ac09a9d2f488ae7bebb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ebb340026fb61ab5dbe7d74e8ea6098e532b308596292c83b7434f7d0c76614b all runs: OK false negative chance: 0.000 # git bisect good be332be89552b84caa964ac09a9d2f488ae7bebb Bisecting: 418 revisions left to test after this (roughly 9 steps) [40d02a2715180b6458640c740b009860cb6c3692] Merge branch 'docs-next' of git://git.lwn.net/linux.git testing commit 40d02a2715180b6458640c740b009860cb6c3692 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2d595dc3ccc7f88fc0fe9dccf18e49138147d84101799f5a8630be64752a939e all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] # git bisect bad 40d02a2715180b6458640c740b009860cb6c3692 Bisecting: 247 revisions left to test after this (roughly 8 steps) [86c73714eeb6362c52d54847bf08f8c6c2867a00] Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git testing commit 86c73714eeb6362c52d54847bf08f8c6c2867a00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f0bb46b75fe23951227403fbb5c1795331eaf7b036206f6858d5a885356537f2 all runs: OK false negative chance: 0.000 # git bisect good 86c73714eeb6362c52d54847bf08f8c6c2867a00 Bisecting: 135 revisions left to test after this (roughly 7 steps) [08c38a285889820ef18bcfb0bfc78ccde895a255] Merge branch 'for-next/pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git testing commit 08c38a285889820ef18bcfb0bfc78ccde895a255 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 49de3dce4be465287acf4f81c17182673163e0945565a16527dd1e9725be0c3f all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] # git bisect bad 08c38a285889820ef18bcfb0bfc78ccde895a255 Bisecting: 55 revisions left to test after this (roughly 6 steps) [af3c83e76a47d35565edc6f8fe2e7214a3d944c2] Merge branch 'kernel-6.15.tasklist_lock' into vfs.all testing commit af3c83e76a47d35565edc6f8fe2e7214a3d944c2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 032c4846e19cd709176170c1a6b872ed4060d44cae8f1e3707bd1ae16555aa26 all runs: OK false negative chance: 0.000 # git bisect good af3c83e76a47d35565edc6f8fe2e7214a3d944c2 Bisecting: 24 revisions left to test after this (roughly 5 steps) [fd8bb4d70418ccccde1c5f941d2f1f9a60b2c829] Merge branch 'vfs-6.15.iomap' into vfs.all testing commit fd8bb4d70418ccccde1c5f941d2f1f9a60b2c829 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50e6518689982f1260268743e332e7ee4824d04ad8a14f5d9f3cc636c4f92711 all runs: OK false negative chance: 0.000 # git bisect good fd8bb4d70418ccccde1c5f941d2f1f9a60b2c829 Bisecting: 14 revisions left to test after this (roughly 4 steps) [03eada973457d0d91e5b8b602d09e702639126ad] Merge branch 'fs-next' of linux-next testing commit 03eada973457d0d91e5b8b602d09e702639126ad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 214efaddc8bf23c4db15c1cae87f8991df71d5875b603e2e1b2e021b1b3f202a all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] # git bisect bad 03eada973457d0d91e5b8b602d09e702639126ad Bisecting: 4 revisions left to test after this (roughly 2 steps) [e78ffc3f7da575528e77427a60186f0bd2a6ed0a] Merge patch series "VFS: minor improvements to a couple of interfaces" testing commit e78ffc3f7da575528e77427a60186f0bd2a6ed0a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1cb11a8a4581b842a380b67b1fd184cdd27632711bd3ba1079ec32aa6ef32b3c all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] # git bisect bad e78ffc3f7da575528e77427a60186f0bd2a6ed0a Bisecting: 2 revisions left to test after this (roughly 1 step) [1ba8260dd914567fb65802334a0f447a25c836b7] VFS: repack LOOKUP_ bit flags. testing commit 1ba8260dd914567fb65802334a0f447a25c836b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0a2aa3e932a89b5bcaa891487a80ca067dd2c0e500196f3d69945121cf59715b all runs: OK false negative chance: 0.000 # git bisect good 1ba8260dd914567fb65802334a0f447a25c836b7 Bisecting: 0 revisions left to test after this (roughly 1 step) [22d9d5e93d0eaf7e8662602713b24e9b6171759f] VFS: add common error checks to lookup_one_qstr_excl() testing commit 22d9d5e93d0eaf7e8662602713b24e9b6171759f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5ea2d9cb8ce7aa7300388d138b6e1424c5d11c9cfe820fda0abafe8148751b55 all runs: crashed: BUG: unable to handle kernel paging request in lookup_one_qstr_excl representative crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl, types: [UNKNOWN] # git bisect bad 22d9d5e93d0eaf7e8662602713b24e9b6171759f Bisecting: 0 revisions left to test after this (roughly 0 steps) [1d7062332f03db518a6a9f9796c4425371b0ce1b] VFS: change kern_path_locked() and user_path_locked_at() to never return negative dentry testing commit 1d7062332f03db518a6a9f9796c4425371b0ce1b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21bc129003a590284a22ac4f6e9202279d9e604ce8e28af3a136b395bfd531ef all runs: OK false negative chance: 0.000 # git bisect good 1d7062332f03db518a6a9f9796c4425371b0ce1b 22d9d5e93d0eaf7e8662602713b24e9b6171759f is the first bad commit commit 22d9d5e93d0eaf7e8662602713b24e9b6171759f Author: NeilBrown Date: Fri Feb 7 14:36:48 2025 +1100 VFS: add common error checks to lookup_one_qstr_excl() Callers of lookup_one_qstr_excl() often check if the result is negative or positive. These changes can easily be moved into lookup_one_qstr_excl() by checking the lookup flags: LOOKUP_CREATE means it is NOT an error if the name doesn't exist. LOOKUP_EXCL means it IS an error if the name DOES exist. This patch adds these checks, then removes error checks from callers, and ensures that appropriate flags are passed. This subtly changes the meaning of LOOKUP_EXCL. Previously it could only accompany LOOKUP_CREATE. Now it can accompany LOOKUP_RENAME_TARGET as well. A couple of small changes are needed to accommodate this. The NFS change is functionally a no-op but ensures nfs_is_exclusive_create() does exactly what the name says. Signed-off-by: NeilBrown Link: https://lore.kernel.org/r/20250207034040.3402438-3-neilb@suse.de Signed-off-by: Christian Brauner fs/namei.c | 59 +++++++++++++++++------------------------------------ fs/nfs/dir.c | 3 ++- fs/smb/server/vfs.c | 26 +++++++++-------------- 3 files changed, 31 insertions(+), 57 deletions(-) accumulated error probability: 0.00 culprit signature: 5ea2d9cb8ce7aa7300388d138b6e1424c5d11c9cfe820fda0abafe8148751b55 parent signature: 21bc129003a590284a22ac4f6e9202279d9e604ce8e28af3a136b395bfd531ef revisions tested: 21, total time: 6h56m34.914928598s (build: 3h20m54.31478575s, test: 2h11m33.313167579s) first bad commit: 22d9d5e93d0eaf7e8662602713b24e9b6171759f VFS: add common error checks to lookup_one_qstr_excl() recipients (to): ["anna@kernel.org" "brauner@kernel.org" "linux-nfs@vger.kernel.org" "neilb@suse.de" "trondmy@kernel.org"] recipients (cc): ["brauner@kernel.org" "jack@suse.cz" "linkinjeon@kernel.org" "linux-cifs@vger.kernel.org" "linux-fsdevel@vger.kernel.org" "linux-kernel@vger.kernel.org" "senozhatsky@chromium.org" "sfrench@samba.org" "tom@talpey.com" "viro@zeniv.linux.org.uk"] crash: BUG: unable to handle kernel paging request in lookup_one_qstr_excl UDF-fs: error (device loop3): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: error (device loop3): udf_verify_fi: directory (ino 1376) has entry where CRC length (63772) does not match entry length (28) BUG: unable to handle page fault for address: ffffffffffffff8b #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 40ae067 P4D 40ae067 PUD 40b0067 PMD 0 Oops: Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 UID: 0 PID: 4243 Comm: syz.3.16 Not tainted 6.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__d_entry_type include/linux/dcache.h:416 [inline] RIP: 0010:d_is_miss include/linux/dcache.h:421 [inline] RIP: 0010:d_is_negative include/linux/dcache.h:467 [inline] RIP: 0010:lookup_one_qstr_excl+0xae/0x120 fs/namei.c:1701 Code: 01 00 48 85 c0 74 73 48 89 c3 49 8b 44 24 20 4c 8b 18 4c 89 e7 48 89 de 44 89 f2 41 ff d3 66 90 48 85 c0 75 5e b8 00 00 38 00 <23> 03 44 89 f1 81 e1 00 00 02 00 09 c1 74 16 41 f7 c6 00 00 04 00 RSP: 0018:ffffc900027dfe18 EFLAGS: 00010246 RAX: 0000000000380000 RBX: ffffffffffffff8b RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff83c19b8a RDI: 00000000ffffffff RBP: ffffffffffffff8b R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810c3a0158 R13: 0000000000060000 R14: 0000000000060000 R15: ffffc900027dfe50 FS: 00007f29436746c0(0000) GS:ffff88813ba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffff8b CR3: 000000010e1a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filename_create+0xce/0x150 fs/namei.c:4094 do_mkdirat+0xd0/0x1b0 fs/namei.c:4325 __do_sys_mkdirat fs/namei.c:4348 [inline] __se_sys_mkdirat fs/namei.c:4346 [inline] __x64_sys_mkdirat+0x27/0x30 fs/namei.c:4346 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x170 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f294278b657 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2943673e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f2943673ef0 RCX: 00007f294278b657 RDX: 00000000000001ff RSI: 0000400000000080 RDI: 00000000ffffff9c RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000400000000080 R13: 00007f2943673eb0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: ffffffffffffff8b ---[ end trace 0000000000000000 ]--- RIP: 0010:__d_entry_type include/linux/dcache.h:416 [inline] RIP: 0010:d_is_miss include/linux/dcache.h:421 [inline] RIP: 0010:d_is_negative include/linux/dcache.h:467 [inline] RIP: 0010:lookup_one_qstr_excl+0xae/0x120 fs/namei.c:1701 Code: 01 00 48 85 c0 74 73 48 89 c3 49 8b 44 24 20 4c 8b 18 4c 89 e7 48 89 de 44 89 f2 41 ff d3 66 90 48 85 c0 75 5e b8 00 00 38 00 <23> 03 44 89 f1 81 e1 00 00 02 00 09 c1 74 16 41 f7 c6 00 00 04 00 RSP: 0018:ffffc900027dfe18 EFLAGS: 00010246 RAX: 0000000000380000 RBX: ffffffffffffff8b RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff83c19b8a RDI: 00000000ffffffff RBP: ffffffffffffff8b R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810c3a0158 R13: 0000000000060000 R14: 0000000000060000 R15: ffffc900027dfe50 FS: 00007f29436746c0(0000) GS:ffff88813ba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffff8b CR3: 000000010e1a4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 01 00 add %eax,(%rax) 2: 48 85 c0 test %rax,%rax 5: 74 73 je 0x7a 7: 48 89 c3 mov %rax,%rbx a: 49 8b 44 24 20 mov 0x20(%r12),%rax f: 4c 8b 18 mov (%rax),%r11 12: 4c 89 e7 mov %r12,%rdi 15: 48 89 de mov %rbx,%rsi 18: 44 89 f2 mov %r14d,%edx 1b: 41 ff d3 call *%r11 1e: 66 90 xchg %ax,%ax 20: 48 85 c0 test %rax,%rax 23: 75 5e jne 0x83 25: b8 00 00 38 00 mov $0x380000,%eax * 2a: 23 03 and (%rbx),%eax <-- trapping instruction 2c: 44 89 f1 mov %r14d,%ecx 2f: 81 e1 00 00 02 00 and $0x20000,%ecx 35: 09 c1 or %eax,%ecx 37: 74 16 je 0x4f 39: 41 f7 c6 00 00 04 00 test $0x40000,%r14d