ci starts bisection 2023-08-21 16:26:52.985967653 +0000 UTC m=+35.451209073 bisecting cause commit starting from 47d9bb711707d15b19fad18c8e2b4b027a264a3a building syzkaller on d216d8a03b50bef82eac746d227230835f061640 ensuring issue is reproducible on original commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c7ea245f32b274be26930362cb4bb77a78ac09e3cd8f91c8e3a277ac897cd26 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e778c7a6d61105906c099bc3ed455ddf5003389c074dcae7012f8c4060cf1f21 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3883 full=7691 leaves diff=2019 split chunks (needed=false): <2019> split chunk #0 of len 2019 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2001a897a3c2fd850e445d289c325be5e7ba81df7d7680f21baf9e414a340de all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fc6639649fc3da93ea6f08ebf5917355c5d1ab5a1721b439c79ca2cdf7e35d81 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 44fec0d3596d5288b4ba88f16cc736261f372f8e7106845369cf96564bb8ee7d all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 09bc95fe5c9f679a552cc5e4045cb96cf954830cf5855f4e894a9e795964b5bd all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 47d9bb711707d15b19fad18c8e2b4b027a264a3a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dfa7a02556572aa3903ad3e4ef034c375e64d6d05954d623c41ddab6f8326c88 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] the chunk can be dropped minimized to 404 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CMA COMMON_CLK DAX DLM DM_VERITY DM_VERITY_FEC DM_WRITECACHE 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_DEVICE FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS 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_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 GENERIC_PHY 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 HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE 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_EVENTFD HAVE_KVM_IRQCHIP HAVE_KVM_IRQFD 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_SPEEDLINK HID_STEELSERIES HID_THINGM 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 INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE 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_TEST 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 LAPB LCD_CLASS_DEVICE MAC802154 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_VIPERBOARD MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_FWD_NETDEV NF_TABLES NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a298122c069d60de9fcc2c5960b6e08cc728bd57ec551a3417b88298d5ef85f all runs: OK false negative chance: 0.000 # git bisect start 47d9bb711707d15b19fad18c8e2b4b027a264a3a 6995e2de6891c724bfeb2db33d7b87775f913ad1 Bisecting: 12974 revisions left to test after this (roughly 14 steps) [af1e2cffbd2ef338b1d2e7318cb2516cc6380303] Merge branch 'add-a-driver-for-the-marvell-88q2110-phy' testing commit af1e2cffbd2ef338b1d2e7318cb2516cc6380303 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3cb35cccd6128ca61631f45a3259083d99fd86b518c7caef8d49890381e243c1 all runs: OK false negative chance: 0.000 # git bisect good af1e2cffbd2ef338b1d2e7318cb2516cc6380303 Bisecting: 6884 revisions left to test after this (roughly 13 steps) [b3f5eecd49eb7d1a50d1731a01c079645c47f575] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git testing commit b3f5eecd49eb7d1a50d1731a01c079645c47f575 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c90492ee020f31dd323be6ae3872f660d54f539fe9218b7eba8c763ba5201644 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] # git bisect bad b3f5eecd49eb7d1a50d1731a01c079645c47f575 Bisecting: 3292 revisions left to test after this (roughly 12 steps) [2c7d60a0b9110b4cc3d4bfed1fd78931d1f986e2] Merge branch 'for-next/core' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux testing commit 2c7d60a0b9110b4cc3d4bfed1fd78931d1f986e2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 99235fe9c620b526c64f0d6ea020344df0af2d233a958ddc9c8b447ec1eea726 all runs: OK false negative chance: 0.000 # git bisect good 2c7d60a0b9110b4cc3d4bfed1fd78931d1f986e2 Bisecting: 1661 revisions left to test after this (roughly 11 steps) [9d3fb4e715981fbf314b038718e47e6d4ca881bc] Merge branch 'afs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git testing commit 9d3fb4e715981fbf314b038718e47e6d4ca881bc gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cc3435b9b41a7bde2742fae6d8c336b0b8307bab8106c7378331efdfe469dac0 all runs: OK false negative chance: 0.000 # git bisect good 9d3fb4e715981fbf314b038718e47e6d4ca881bc Bisecting: 882 revisions left to test after this (roughly 10 steps) [7fe0311e8c97c59a0a3146198d57d7b8530b0041] Merge branch 'for-next/pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git testing commit 7fe0311e8c97c59a0a3146198d57d7b8530b0041 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5b0c866e766530d017ca537ed49d58f18d9ad3c98b22045d8a3e3121253a208 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] # git bisect bad 7fe0311e8c97c59a0a3146198d57d7b8530b0041 Bisecting: 402 revisions left to test after this (roughly 9 steps) [2117f7cf9875b54e0e8f5d553bf450110126e1c3] Merge branch 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs.git testing commit 2117f7cf9875b54e0e8f5d553bf450110126e1c3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ddf9d626986541cb7241021f24d9f1451fa0e65e8a827c9696545f0126b15e51 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] # git bisect bad 2117f7cf9875b54e0e8f5d553bf450110126e1c3 Bisecting: 181 revisions left to test after this (roughly 8 steps) [96a7576197306836c9f6b542efddbff6858078db] Merge branch 'for_next' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git testing commit 96a7576197306836c9f6b542efddbff6858078db gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ae2712c982d49b71cfc9b0c4b7dd037c14d0570320302d25497a2a6b9253151 all runs: OK false negative chance: 0.000 # git bisect good 96a7576197306836c9f6b542efddbff6858078db Bisecting: 93 revisions left to test after this (roughly 7 steps) [eccb0b2fc568b529a0d1c20cda1eaa7a196c4aef] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git testing commit eccb0b2fc568b529a0d1c20cda1eaa7a196c4aef gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3fddd78640562acc92d781c27aa494ddb6cf850b03d48826df6e16ddc07a62ae all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] # git bisect bad eccb0b2fc568b529a0d1c20cda1eaa7a196c4aef Bisecting: 43 revisions left to test after this (roughly 6 steps) [99d6c5d892bfff3be40f83ec34d91d562125afd4] ext4: ext4_get_{dev}_journal return proper error value testing commit 99d6c5d892bfff3be40f83ec34d91d562125afd4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe560ba87e4d2f6c7694bae9a50b90977e81414d25678ca664d70a8469bb0b64 all runs: crashed: BUG: unable to handle kernel paging request in ext4_calculate_overhead representative crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead, types: [UNKNOWN] # git bisect bad 99d6c5d892bfff3be40f83ec34d91d562125afd4 Bisecting: 21 revisions left to test after this (roughly 5 steps) [de8bf0e5ee7482585450357c6d4eddec8efc5cb7] ext4: replace the traditional ternary conditional operator with with max()/min() testing commit de8bf0e5ee7482585450357c6d4eddec8efc5cb7 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d221f0f906287f1feee2df5a550ffa7d864bb6fc307e7a942efdc189386e17a all runs: OK false negative chance: 0.000 # git bisect good de8bf0e5ee7482585450357c6d4eddec8efc5cb7 Bisecting: 10 revisions left to test after this (roughly 4 steps) [29a511e49f33426c8d24700db4842234a84678b2] jbd2: move load_superblock() dependent functions testing commit 29a511e49f33426c8d24700db4842234a84678b2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dbe0f29561254fb60ddde7d041d541ec4bf055e7602ae80999bbbc7d9e41e6f0 all runs: OK false negative chance: 0.000 # git bisect good 29a511e49f33426c8d24700db4842234a84678b2 Bisecting: 5 revisions left to test after this (roughly 3 steps) [054d9c8fef14d476f1a9c6434de86813c5990052] jbd2: cleanup load_superblock() testing commit 054d9c8fef14d476f1a9c6434de86813c5990052 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a01b4f74ed7b142ad78598f7ce68ea2593ca2e7f49e1deb10335165a2b8241b all runs: OK false negative chance: 0.000 # git bisect good 054d9c8fef14d476f1a9c6434de86813c5990052 Bisecting: 2 revisions left to test after this (roughly 2 steps) [d9a45496019a73c240bd22912ae18a04b8496364] jbd2: drop useless error tag in jbd2_journal_wipe() testing commit d9a45496019a73c240bd22912ae18a04b8496364 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b6cfe0ca98ff9e21b4601401b390e0e95fd1fcbbf3d49efe170dcd505244873 all runs: OK false negative chance: 0.000 # git bisect good d9a45496019a73c240bd22912ae18a04b8496364 Bisecting: 0 revisions left to test after this (roughly 1 step) [e89c6fc9b191318238c2e211ee02be2fe943a69d] ext4: cleanup ext4_get_dev_journal() and ext4_get_journal() testing commit e89c6fc9b191318238c2e211ee02be2fe943a69d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 13303a26ae7f69e8277e7e1907e1c4f28906c775687979cf3d71a3ec8193682b all runs: OK false negative chance: 0.000 # git bisect good e89c6fc9b191318238c2e211ee02be2fe943a69d 99d6c5d892bfff3be40f83ec34d91d562125afd4 is the first bad commit commit 99d6c5d892bfff3be40f83ec34d91d562125afd4 Author: Zhang Yi Date: Fri Aug 11 14:36:10 2023 +0800 ext4: ext4_get_{dev}_journal return proper error value ext4_get_journal() and ext4_get_dev_journal() return NULL if they failed to init journal, making them return proper error value instead, also rename them to ext4_open_{inode,dev}_journal(). Signed-off-by: Zhang Yi Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20230811063610.2980059-13-yi.zhang@huaweicloud.com Signed-off-by: Theodore Ts'o fs/ext4/super.c | 51 ++++++++++++++++++++++++++++++--------------------- 1 file changed, 30 insertions(+), 21 deletions(-) accumulated error probability: 0.00 culprit signature: fe560ba87e4d2f6c7694bae9a50b90977e81414d25678ca664d70a8469bb0b64 parent signature: 13303a26ae7f69e8277e7e1907e1c4f28906c775687979cf3d71a3ec8193682b revisions tested: 22, total time: 8h38m10.877046339s (build: 5h36m31.405728801s, test: 2h43m37.391032185s) first bad commit: 99d6c5d892bfff3be40f83ec34d91d562125afd4 ext4: ext4_get_{dev}_journal return proper error value recipients (to): ["jack@suse.cz" "tytso@mit.edu" "yi.zhang@huawei.com"] recipients (cc): [] crash: BUG: unable to handle kernel paging request in ext4_calculate_overhead EXT4-fs (loop0): Test dummy encryption mode enabled EXT4-fs (loop0): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (394!=20869) EXT4-fs error (device loop0): ext4_get_journal_inode:5740: comm syz-executor.0: inode #33: comm syz-executor.0: iget: illegal inode # EXT4-fs (loop0): no journal found BUG: unable to handle page fault for address: ffffffffffffffdb #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 2eaf067 P4D 2eaf067 PUD 2eb1067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 2551 Comm: syz-executor.0 Not tainted 6.5.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:ext4_calculate_overhead+0x447/0x490 fs/ext4/super.c:4204 Code: 40 5c 04 0f 84 e2 fe ff ff 45 85 e4 0f 84 d9 fe ff ff 4c 89 f7 44 89 e6 e8 c6 ca ff ff 48 85 c0 48 89 c7 74 33 41 0f b6 4e 14 <48> 8b 40 50 41 8b 55 50 48 d3 f8 41 8b 4d 54 8d 44 02 ff d3 e8 48 RSP: 0018:ffffc900021abce8 EFLAGS: 00010286 RAX: ffffffffffffff8b RBX: 0000000000000001 RCX: 000000000000000a RDX: 0000000000000000 RSI: ffffffff82ae8522 RDI: ffffffffffffff8b RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff82efaf20 R10: ffffc900021abb00 R11: ffffffff82fdaf68 R12: 0000000000000021 R13: ffff88810eebb000 R14: ffff88810eeba000 R15: ffff88810bef1000 FS: 00007f74287d36c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffdb CR3: 000000010fa87000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_fill_super fs/ext4/super.c:5413 [inline] ext4_fill_super+0x2079/0x3090 fs/ext4/super.c:5664 get_tree_bdev+0x172/0x280 fs/super.c:1318 vfs_get_tree+0x1c/0x90 fs/super.c:1519 do_new_mount fs/namespace.c:3335 [inline] path_mount+0x48a/0xb80 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __x64_sys_mount+0x111/0x150 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7427a7e1ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f74287d2ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f74287d2f80 RCX: 00007f7427a7e1ea RDX: 00000000200000c0 RSI: 0000000020000040 RDI: 00007f74287d2f40 RBP: 00000000200000c0 R08: 00007f74287d2f80 R09: 0000000001000403 R10: 0000000001000403 R11: 0000000000000246 R12: 0000000020000040 R13: 00007f74287d2f40 R14: 00000000000005c4 R15: 0000000020000180 Modules linked in: CR2: ffffffffffffffdb ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_calculate_overhead+0x447/0x490 fs/ext4/super.c:4204 Code: 40 5c 04 0f 84 e2 fe ff ff 45 85 e4 0f 84 d9 fe ff ff 4c 89 f7 44 89 e6 e8 c6 ca ff ff 48 85 c0 48 89 c7 74 33 41 0f b6 4e 14 <48> 8b 40 50 41 8b 55 50 48 d3 f8 41 8b 4d 54 8d 44 02 ff d3 e8 48 RSP: 0018:ffffc900021abce8 EFLAGS: 00010286 RAX: ffffffffffffff8b RBX: 0000000000000001 RCX: 000000000000000a RDX: 0000000000000000 RSI: ffffffff82ae8522 RDI: ffffffffffffff8b RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff82efaf20 R10: ffffc900021abb00 R11: ffffffff82fdaf68 R12: 0000000000000021 R13: ffff88810eebb000 R14: ffff88810eeba000 R15: ffff88810bef1000 FS: 00007f74287d36c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffdb CR3: 000000010fa87000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 0f 84 e2 fe ff ff je 0xfffffee8 6: 45 85 e4 test %r12d,%r12d 9: 0f 84 d9 fe ff ff je 0xfffffee8 f: 4c 89 f7 mov %r14,%rdi 12: 44 89 e6 mov %r12d,%esi 15: e8 c6 ca ff ff call 0xffffcae0 1a: 48 85 c0 test %rax,%rax 1d: 48 89 c7 mov %rax,%rdi 20: 74 33 je 0x55 22: 41 0f b6 4e 14 movzbl 0x14(%r14),%ecx * 27: 48 8b 40 50 mov 0x50(%rax),%rax <-- trapping instruction 2b: 41 8b 55 50 mov 0x50(%r13),%edx 2f: 48 d3 f8 sar %cl,%rax 32: 41 8b 4d 54 mov 0x54(%r13),%ecx 36: 8d 44 02 ff lea -0x1(%rdx,%rax,1),%eax 3a: d3 e8 shr %cl,%eax 3c: 48 rex.W