ci starts bisection 2024-01-02 16:56:47.361655156 +0000 UTC m=+944634.958420364 bisecting cause commit starting from 610a9b8f49fbcf1100716370d3b5f6f884a2835a building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9 ensuring issue is reproducible on original commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40bcf6a801c646dbbf186879381896cd917eebd901e3ebd966c765dc15b26690 run #0: crashed: possible deadlock in hfs_find_init run #1: crashed: possible deadlock in hfs_find_init run #2: crashed: possible deadlock in hfs_find_init run #3: crashed: possible deadlock in hfs_find_init run #4: crashed: possible deadlock in hfs_find_init run #5: crashed: possible deadlock in hfs_find_init run #6: crashed: possible deadlock in hfs_find_init run #7: crashed: possible deadlock in hfs_find_init run #8: crashed: possible deadlock in hfs_find_init run #9: crashed: possible deadlock in hfs_find_init run #10: crashed: possible deadlock in hfs_find_init run #11: crashed: possible deadlock in hfs_find_init run #12: crashed: possible deadlock in hfs_find_init run #13: crashed: possible deadlock in hfs_extend_file run #14: crashed: possible deadlock in hfs_find_init run #15: crashed: possible deadlock in hfs_find_init run #16: crashed: possible deadlock in hfs_find_init run #17: crashed: possible deadlock in hfs_find_init run #18: crashed: possible deadlock in hfs_find_init run #19: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 08739aecf9119f884025035fee68691773a2ef029ec62410ab98b9043b1f950c all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=3923 full=7659 leaves diff=2005 split chunks (needed=false): <2005> split chunk #0 of len 2005 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a64a875bb89f1f052842e65ba3b3d3d05667d8ded578f4996dc662efed29f41 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bfd89cac1593d8a0da6372c0cd1ea91f24f4119141bbaf3f5eb0193dde7c886b all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bf5e9da0ee95fcf772ed3486af22279e5ad2d15dbbaa0102361c88ec2a7ec7d8 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e914c2f52cec07e5e9f829075320dc6c2b5ee48f68374cc2cd71fbd3bfd1673 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57e67e019f112c83c315e917f903c2849c615995228ba1b4e4b5282263a0309e all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] the chunk can be dropped minimized to 802 configs; suspects: [6LOWPAN AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM AX25 CFG80211 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE 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_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 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_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_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_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_LC IP_VS_MH IP_VS_NFCT 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_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 NTFS_FS NTFS_RW 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 PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING 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 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_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 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_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 49b70fd483b60ca3f9e4b20a8b6eb1eb465331a4b20ef6bd4ebc8019bfcf0d27 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5dcb39d89f2a8ac061e3a5a49299cf96b4c392a604e7d37179a9d2a89eba3397 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] 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: bc98fab6e7eee783279d373f1896a60d0cad24fdfe9c06872e56c3f8bb20238c all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1486d8317f686d21c8e6e6a76db17df735776ba5eecd0b4740a4927e13f618bf all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 042fb34996f34c46d2290a8c8de5868cae9726151089461a3b4a20c8f661acb5 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a96117dfb06e36f19782ebb063f59e7ebc80cbc9a86bee17f0e37f9734d56df all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c5bbc2929275c343828f83016e2756bf9b2582866009c008827e77c57dca1bd all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7b4c0a549fb7cabd99015b712825803dc2db89a22b20081f3836cc2d3ac9545 run #0: crashed: possible deadlock in hfs_find_init run #1: crashed: possible deadlock in hfs_find_init run #2: crashed: possible deadlock in hfs_extend_file run #3: crashed: possible deadlock in hfs_find_init run #4: crashed: possible deadlock in hfs_find_init run #5: crashed: possible deadlock in hfs_find_init run #6: crashed: possible deadlock in hfs_find_init run #7: crashed: possible deadlock in hfs_find_init run #8: crashed: possible deadlock in hfs_find_init run #9: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d0d97457cf53996b60d523e810a267241dc666b502019e7d63771a72a10259e all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 29bbedf2dd12bfd083c6585671a84c0d87a757d97d584ac9c2b4f0f8de0157b5 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 88a9a552c28152b00b5572b853e6b9b1f471028036c529fe41c4c79d28fcdc50 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b0292f885b6d1fb9d67806e6b15ac19be44ed49747583d9ebb6a112f1e978474 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 07c23573f44be5d236b66d6f3ec9e01196ef64cb8339c615737565cb8f21d7c9 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c85d14553bde6d9f14aabc1d06cfafcba9b16e29bdb6de033123ad32f81e8994 all runs: OK false negative chance: 0.000 # git bisect start 8fe28cb58bcb235034b64cbbb7550a8a43fd88be 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d Bisecting: 7502 revisions left to test after this (roughly 13 steps) [685f7e4f161425b137056abe35ba8ef7b669d83d] Merge tag 'powerpc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit 685f7e4f161425b137056abe35ba8ef7b669d83d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 4237f79cfdb61b3e83c5a1991c4e63b8c6ec025a48b700135a45d3764762bd6e all runs: OK false negative chance: 0.000 # git bisect good 685f7e4f161425b137056abe35ba8ef7b669d83d Bisecting: 3610 revisions left to test after this (roughly 12 steps) [93335e5911dbffccd3b74c4d214268c0fd2bc1b0] Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc testing commit 93335e5911dbffccd3b74c4d214268c0fd2bc1b0 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6ab9914a6411b93c8ad92c099d4bf7879f11707311c8400bbcaff85d0a59ed6a all runs: OK false negative chance: 0.000 # git bisect good 93335e5911dbffccd3b74c4d214268c0fd2bc1b0 Bisecting: 1804 revisions left to test after this (roughly 11 steps) [e12e00e388dee1d2a86e9b90f79a69f9acd2c9b0] Merge tag 'kbuild-fixes-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild testing commit e12e00e388dee1d2a86e9b90f79a69f9acd2c9b0 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 24c084a0eb493725a37e5789419d3dd4501551393c0e8a5a26cb4a1f4e256574 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] # git bisect bad e12e00e388dee1d2a86e9b90f79a69f9acd2c9b0 Bisecting: 897 revisions left to test after this (roughly 10 steps) [23a12ddee1ce28065b71f14ccc695b5a0c8a64ff] Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix testing commit 23a12ddee1ce28065b71f14ccc695b5a0c8a64ff gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d52f2af1c21b122fe8f08512f29db908e16cea26b7a8f75b612ff584c4ce2651 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] # git bisect bad 23a12ddee1ce28065b71f14ccc695b5a0c8a64ff Bisecting: 453 revisions left to test after this (roughly 9 steps) [64c0066c1e74650ca7bc90876fbc6bad3bf50c91] memblock: replace alloc_bootmem_pages_node with memblock_alloc_node testing commit 64c0066c1e74650ca7bc90876fbc6bad3bf50c91 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c382dfca02ef9fa61064ec45708af3ca1d093406a50e82d843018472f0611d97 run #0: crashed: possible deadlock in hfs_find_init run #1: crashed: possible deadlock in hfs_find_init run #2: crashed: possible deadlock in hfs_find_init run #3: crashed: possible deadlock in hfs_find_init run #4: crashed: possible deadlock in hfs_find_init run #5: crashed: possible deadlock in hfs_find_init run #6: crashed: possible deadlock in hfs_find_init run #7: crashed: possible deadlock in hfs_find_init run #8: crashed: possible deadlock in hfs_find_init run #9: OK representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] # git bisect bad 64c0066c1e74650ca7bc90876fbc6bad3bf50c91 Bisecting: 244 revisions left to test after this (roughly 8 steps) [b22b6beae6116e3a9c46ced312c626f6737a3fa6] Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc testing commit b22b6beae6116e3a9c46ced312c626f6737a3fa6 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e8688680b4aef861b92cd7fac45a741be3e93f1dab111d73dcf9f06847e45dad all runs: OK false negative chance: 0.000 # git bisect good b22b6beae6116e3a9c46ced312c626f6737a3fa6 Bisecting: 120 revisions left to test after this (roughly 7 steps) [85b5d4bcab8b46664f8e1993bd5919cb0f24a3ca] Merge tag 'for-4.20-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit 85b5d4bcab8b46664f8e1993bd5919cb0f24a3ca gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e8688680b4aef861b92cd7fac45a741be3e93f1dab111d73dcf9f06847e45dad all runs: OK false negative chance: 0.000 # git bisect good 85b5d4bcab8b46664f8e1993bd5919cb0f24a3ca Bisecting: 60 revisions left to test after this (roughly 6 steps) [b5c212374c85353a4412a08a958ecb6e0d2aa95f] fs/proc/vmcore.c: Convert to use vmf_error() testing commit b5c212374c85353a4412a08a958ecb6e0d2aa95f gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ab57d89c8ce359da325b3628dea8b986f9d3f60070a75c29796782543fc0f4e4 all runs: OK false negative chance: 0.000 # git bisect good b5c212374c85353a4412a08a958ecb6e0d2aa95f Bisecting: 30 revisions left to test after this (roughly 5 steps) [8cd3cb5061730af085a3f9890a3352f162b4e20c] hfs: update timestamp on truncate() testing commit 8cd3cb5061730af085a3f9890a3352f162b4e20c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 953eaf3878debbfea5689e765f0811e76d202fb8e5cf5e8e9567bc933bfe38f3 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] # git bisect bad 8cd3cb5061730af085a3f9890a3352f162b4e20c Bisecting: 14 revisions left to test after this (roughly 4 steps) [7f476715d05f53915f0390e074a6988ce6a12f36] lib/sg_pool.c: remove unnecessary null check when freeing object testing commit 7f476715d05f53915f0390e074a6988ce6a12f36 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: fbf15c69fdf8e19a3853f4314aa338f1f9a2864546fbc2cac4d32702a51c7310 all runs: OK false negative chance: 0.000 # git bisect good 7f476715d05f53915f0390e074a6988ce6a12f36 Bisecting: 7 revisions left to test after this (roughly 3 steps) [19a9d0f1acf75e8be8cfba19c1a34e941846fa2b] hfsplus: fix BUG on bnode parent update testing commit 19a9d0f1acf75e8be8cfba19c1a34e941846fa2b gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d9af35eaf7696577c80a0e1f2736bb9df4d049ffd8f5312d62d509303c31863d all runs: OK false negative chance: 0.000 # git bisect good 19a9d0f1acf75e8be8cfba19c1a34e941846fa2b Bisecting: 3 revisions left to test after this (roughly 2 steps) [54640c7502e5ed41fbf4eedd499e85f9acc9698f] hfs: prevent btree data loss on ENOSPC testing commit 54640c7502e5ed41fbf4eedd499e85f9acc9698f gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 74c77a19de3d856c73215e72b072aed1285fbd887152a80f6de36882e2466640 all runs: crashed: possible deadlock in hfs_find_init representative crash: possible deadlock in hfs_find_init, types: [LOCKDEP] # git bisect bad 54640c7502e5ed41fbf4eedd499e85f9acc9698f Bisecting: 1 revision left to test after this (roughly 1 step) [ef75bcc5763d130451a99825f247d301088b790b] hfs: fix BUG on bnode parent update testing commit ef75bcc5763d130451a99825f247d301088b790b gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 66056a71101f8ad0e586cf8eeb1e493fe52ce141d8080c880bc6effa579df0a5 all runs: OK false negative chance: 0.000 # git bisect good ef75bcc5763d130451a99825f247d301088b790b Bisecting: 0 revisions left to test after this (roughly 0 steps) [d92915c35bfaf763d78bf1d5ac7f183420e3bd99] hfsplus: prevent btree data loss on ENOSPC testing commit d92915c35bfaf763d78bf1d5ac7f183420e3bd99 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 850d00e10929d704c19315566c95f7db9b1b92596636fbf6860a21c9a79d22f9 all runs: OK false negative chance: 0.000 # git bisect good d92915c35bfaf763d78bf1d5ac7f183420e3bd99 54640c7502e5ed41fbf4eedd499e85f9acc9698f is the first bad commit commit 54640c7502e5ed41fbf4eedd499e85f9acc9698f Author: Ernesto A. Fernández Date: Tue Oct 30 15:06:17 2018 -0700 hfs: prevent btree data loss on ENOSPC Inserting a new record in a btree may require splitting several of its nodes. If we hit ENOSPC halfway through, the new nodes will be left orphaned and their records will be lost. This could mean lost inodes or extents. Henceforth, check the available disk space before making any changes. This still leaves the potential problem of corruption on ENOMEM. There is no need to reserve space before deleting a catalog record, as we do for hfsplus. This difference is because hfs index nodes have fixed length keys. Link: http://lkml.kernel.org/r/ab5fc8a7d5ffccfd5f27b1cf2cb4ceb6c110da74.1536269131.git.ernesto.mnd.fernandez@gmail.com Signed-off-by: Ernesto A. Fernández Cc: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds fs/hfs/btree.c | 41 +++++++++++++++++++++++++---------------- fs/hfs/btree.h | 1 + fs/hfs/catalog.c | 16 ++++++++++++++++ fs/hfs/extent.c | 4 ++++ 4 files changed, 46 insertions(+), 16 deletions(-) accumulated error probability: 0.00 culprit signature: 74c77a19de3d856c73215e72b072aed1285fbd887152a80f6de36882e2466640 parent signature: 850d00e10929d704c19315566c95f7db9b1b92596636fbf6860a21c9a79d22f9 revisions tested: 35, total time: 7h42m4.614364692s (build: 3h1m49.93520572s, test: 4h24m50.439587459s) first bad commit: 54640c7502e5ed41fbf4eedd499e85f9acc9698f hfs: prevent btree data loss on ENOSPC recipients (to): ["akpm@linux-foundation.org" "ernesto.mnd.fernandez@gmail.com" "torvalds@linux-foundation.org"] recipients (cc): [] crash: possible deadlock in hfs_find_init Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k IPVS: ftp: loaded support on port[0] = 21 ============================================ WARNING: possible recursive locking detected 4.19.0-syzkaller #0 Not tainted -------------------------------------------- syz-executor.0/3855 is trying to acquire lock: 000000009b2f2948 (&tree->tree_lock){+.+.}, at: hfs_find_init+0x4b/0x60 fs/hfs/bfind.c:28 but task is already holding lock: 00000000473ee1ac (&tree->tree_lock){+.+.}, at: hfs_find_init+0x4b/0x60 fs/hfs/bfind.c:28 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&tree->tree_lock); lock(&tree->tree_lock); *** DEADLOCK *** May be due to missing lock nesting notation 4 locks held by syz-executor.0/3855: #0: 00000000d52b63a4 (sb_writers#13){.+.+}, at: sb_start_write include/linux/fs.h:1597 [inline] #0: 00000000d52b63a4 (sb_writers#13){.+.+}, at: mnt_want_write+0x1f/0x50 fs/namespace.c:360 #1: 00000000bb820443 (&type->i_mutex_dir_key#8){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000bb820443 (&type->i_mutex_dir_key#8){+.+.}, at: do_last fs/namei.c:3321 [inline] #1: 00000000bb820443 (&type->i_mutex_dir_key#8){+.+.}, at: path_openat+0x4e8/0xc00 fs/namei.c:3534 #2: 00000000473ee1ac (&tree->tree_lock){+.+.}, at: hfs_find_init+0x4b/0x60 fs/hfs/bfind.c:28 #3: 00000000b034de39 (&HFS_I(tree->inode)->extents_lock){+.+.}, at: hfs_extend_file+0x40/0x280 fs/hfs/extent.c:395 stack backtrace: CPU: 1 PID: 3855 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x70/0x9a lib/dump_stack.c:113 print_deadlock_bug kernel/locking/lockdep.c:1761 [inline] check_deadlock kernel/locking/lockdep.c:1805 [inline] validate_chain kernel/locking/lockdep.c:2331 [inline] __lock_acquire.cold.42+0xc5/0x285 kernel/locking/lockdep.c:3341 lock_acquire+0x99/0x180 kernel/locking/lockdep.c:3844 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x6f/0x7b0 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hfs_find_init+0x4b/0x60 fs/hfs/bfind.c:28 hfs_ext_read_extent+0x59/0x1a0 fs/hfs/extent.c:200 hfs_extend_file+0x170/0x280 fs/hfs/extent.c:399 hfs_bmap_reserve+0x7b/0x90 fs/hfs/btree.c:231 hfs_cat_create+0x9c/0x2e0 fs/hfs/catalog.c:104 hfs_create+0x39/0x90 fs/hfs/dir.c:202 lookup_open+0x2be/0x8a0 fs/namei.c:3234 do_last fs/namei.c:3324 [inline] path_openat+0x4fe/0xc00 fs/namei.c:3534 do_filp_open+0x8e/0x100 fs/namei.c:3564 do_sys_open+0x17d/0x210 fs/open.c:1063 __do_sys_openat fs/open.c:1090 [inline] __se_sys_openat fs/open.c:1084 [inline] __x64_sys_openat+0x1b/0x20 fs/open.c:1084 do_syscall_64+0x54/0x160 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f33b2e38ce9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f33b29bb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f33b2f57f80 RCX: 00007f33b2e38ce9 RDX: 000000000000275a RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f33b2e8547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f33b2f57f80 R15: 00007ffd1d2bd6d8 hfs: request for non-existent node 16777216 in B*Tree hfs: request for non-existent node 16777216 in B*Tree hfs: inconsistency in B*Tree (5,0,1,0,1) hfs: request for non-existent node 16777216 in B*Tree hfs: request for non-existent node 16777216 in B*Tree hfs: inconsistency in B*Tree (5,0,1,0,1)