ci starts bisection 2023-10-07 11:53:35.590789582 +0000 UTC m=+23138.261488506 bisecting fixing commit since 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 building syzkaller on 2a0d0f29e37863d5cdb8e95c9fa2a83251ba3972 ensuring issue is reproducible on original commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ebc25abed87dfc54651cdd814f15487b974dcdf7188364a5a88b151b0ecf108 run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0098660a0 0xc009866230 0xc0098662d0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: crashed: possible deadlock in lock_mm_and_find_vma run #2: crashed: possible deadlock in lock_mm_and_find_vma run #3: crashed: possible deadlock in lock_mm_and_find_vma run #4: crashed: possible deadlock in lock_mm_and_find_vma run #5: crashed: possible deadlock in lock_mm_and_find_vma run #6: crashed: possible deadlock in lock_mm_and_find_vma run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in lock_mm_and_find_vma run #9: crashed: possible deadlock in lock_mm_and_find_vma run #10: crashed: possible deadlock in lock_mm_and_find_vma run #11: crashed: possible deadlock in exfat_get_block run #12: crashed: possible deadlock in exfat_get_block run #13: crashed: possible deadlock in exfat_get_block run #14: crashed: possible deadlock in exfat_get_block run #15: crashed: possible deadlock in exfat_get_block run #16: crashed: possible deadlock in exfat_get_block run #17: crashed: possible deadlock in exfat_get_block run #18: crashed: possible deadlock in exfat_get_block run #19: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ffb7a39c109112b229647d58e4f0ebd0df760e1ca685dc4e03da4166899f1998 all runs: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in exfat_get_block, 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=3877 full=7642 leaves diff=1995 split chunks (needed=false): <1995> split chunk #0 of len 1995 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: abb3e69f29e2d241647570fa83714597058f9794e10e681f1f2c3bef6bd0d127 run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc002a18b90 0xc002a18c80 0xc002a18d20] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: crashed: possible deadlock in exfat_get_block run #2: crashed: possible deadlock in exfat_get_block run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in exfat_get_block, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f4dc73fb449e12ba89f09be04a46df1413a89a76b0bd8db90a049b42924f846 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3bf4f7b722d557b1bcc0c8f00fc923e4ac0e0ce53ee4e82815a491f51a2cac8e run #0: crashed: possible deadlock in lock_mm_and_find_vma run #1: crashed: possible deadlock in exfat_get_block run #2: crashed: possible deadlock in exfat_get_block run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in lock_mm_and_find_vma run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b233488ecd1517266b0e333d7e3bc2852dbeab40d82c15b81b126937427a48df 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 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e3ad56104d707ffce819907b467bd1b477ed0bb4e89f89be26e26d1b4c712c6 run #0: crashed: possible deadlock in exfat_get_block run #1: crashed: possible deadlock in exfat_get_block run #2: crashed: possible deadlock in exfat_get_block run #3: crashed: possible deadlock in lock_mm_and_find_vma run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in exfat_get_block, types: [LOCKDEP] the chunk can be dropped minimized to 798 configs; suspects: [6LOWPAN AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM AX25 CFG80211 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE 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_DEFERRED_IO FB_IO_HELPERS FB_NOTIFY FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_HELPERS FB_SYS_HELPERS_DEFERRED 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 FRONTSWAP 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_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_NQ IP_VS_OVF 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 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_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_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_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 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_CONFIGFS_F_FS USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIRTIO_FS VXLAN WAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing current HEAD 82714078aee4ccbd6ee7579d5a21f8a72155d0fb testing commit 82714078aee4ccbd6ee7579d5a21f8a72155d0fb gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f91c565fa93f6da0cdb067bcf60ced59b90c519ef589b03bbdbf3bb3911b44c8 all runs: OK false negative chance: 0.000 # git bisect start 82714078aee4ccbd6ee7579d5a21f8a72155d0fb 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 Bisecting: 7951 revisions left to test after this (roughly 13 steps) [461f35f014466c4e26dca6be0f431f57297df3f2] Merge tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit 461f35f014466c4e26dca6be0f431f57297df3f2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b8a06a8c29e491cbc0f4e0a219395e515f25ce39cee6e3880669ddb5853b4202 all runs: OK false negative chance: 0.000 # git bisect bad 461f35f014466c4e26dca6be0f431f57297df3f2 Bisecting: 4415 revisions left to test after this (roughly 12 steps) [68cf01760bc0891074e813b9bb06d2696cac1c01] Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit 68cf01760bc0891074e813b9bb06d2696cac1c01 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d21431ebb2437421e5a32dec8d62014c8fef12b9bca2a253566e26530118a6ee all runs: OK false negative chance: 0.000 # git bisect bad 68cf01760bc0891074e813b9bb06d2696cac1c01 Bisecting: 1530 revisions left to test after this (roughly 11 steps) [b03a4342142be0c608061a91fa52ec21f6853152] Merge tag 'seccomp-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit b03a4342142be0c608061a91fa52ec21f6853152 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 189157b6764a476ffce0bbfb0bd5d7c73668f03d6e086fb38b560262927e5196 all runs: OK false negative chance: 0.000 # git bisect bad b03a4342142be0c608061a91fa52ec21f6853152 Bisecting: 767 revisions left to test after this (roughly 10 steps) [7793a88e881ffd4cde6d14eadc6485931d12a4cc] Merge tag 'batadv-net-pullrequest-20230816' of git://git.open-mesh.org/linux-merge determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit 7793a88e881ffd4cde6d14eadc6485931d12a4cc gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 60bcf83a4b8acfc6ab671e28d960f50279d9349835ef58352d0dc77cc5327ba7 all runs: OK false negative chance: 0.000 # git bisect bad 7793a88e881ffd4cde6d14eadc6485931d12a4cc Bisecting: 437 revisions left to test after this (roughly 9 steps) [30813656c6b827947be024484d6da8b18e50c186] Merge tag 'dmaengine-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit 30813656c6b827947be024484d6da8b18e50c186 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3cedd4826a9dcf20f96bb54169ed767634bc88a56110dc282d0e67d487ef475b all runs: OK false negative chance: 0.000 # git bisect bad 30813656c6b827947be024484d6da8b18e50c186 Bisecting: 164 revisions left to test after this (roughly 7 steps) [638c1913d2b01ab48159f0723fbf98483579934f] Merge tag 'cxl-fixes-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit 638c1913d2b01ab48159f0723fbf98483579934f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 29e1e1b224c754bbdcc92bfdd391d5f6be8927259554df6853d5e17f9599a7b6 all runs: OK false negative chance: 0.000 # git bisect bad 638c1913d2b01ab48159f0723fbf98483579934f Bisecting: 82 revisions left to test after this (roughly 6 steps) [3c50c8b240390907c9a33c86d25d850520db6dfa] test/vsock: remove vsock_perf executable on `make clean` determine whether the revision contains the guilty commit checking the merge base 57012c57536f8814dec92e74197ee96c3498d24e no existing result, test the revision testing commit 57012c57536f8814dec92e74197ee96c3498d24e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8ed2ae19a6aa71143fa6c60a13f8f6793dd61286deccf0c02597ec99825aa3b run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00074c5f0 0xc00074c730 0xc00074c870] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc004d8de50 0xc004d8df40 0xc002a18050] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: crashed: possible deadlock in lock_mm_and_find_vma run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] testing commit 3c50c8b240390907c9a33c86d25d850520db6dfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1692257ef099e2ee1a19981f7f4f1c6a502715764607b323e3ca6cb8bcb9803f run #0: crashed: possible deadlock in exfat_get_block run #1: crashed: possible deadlock in lock_mm_and_find_vma run #2: crashed: possible deadlock in lock_mm_and_find_vma run #3: crashed: possible deadlock in lock_mm_and_find_vma run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in exfat_get_block, types: [LOCKDEP] # git bisect good 3c50c8b240390907c9a33c86d25d850520db6dfa Bisecting: 41 revisions left to test after this (roughly 5 steps) [ec351c8f2e6211054e51e661589cddd1fe856425] Merge tag 'soc-fixes-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 crashed and is reachable testing commit ec351c8f2e6211054e51e661589cddd1fe856425 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7bb79149e349f3069f0dfaf502982a60a50996d51b64ea528fcb743fbcbb3a2b all runs: OK false negative chance: 0.000 # git bisect bad ec351c8f2e6211054e51e661589cddd1fe856425 Bisecting: 19 revisions left to test after this (roughly 4 steps) [c05cfd71df7c0adfaa60c153a75b23e6efbd3978] Merge tag 'imx-fixes-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes determine whether the revision contains the guilty commit checking the merge base fdf0eaf11452d72945af31804e2a1048ee1b574c no existing result, test the revision testing commit fdf0eaf11452d72945af31804e2a1048ee1b574c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bc2dba4d42c2b1c308ab7307f163fd6b7f5afb14d53fdfd7d97e5154ef90c68c run #0: crashed: possible deadlock in lock_mm_and_find_vma run #1: crashed: possible deadlock in lock_mm_and_find_vma run #2: crashed: possible deadlock in exfat_get_block run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] testing commit c05cfd71df7c0adfaa60c153a75b23e6efbd3978 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e2f2ff3587a10318d7c4f6845ac1615abce1f87715a5202c6a45be0116cebed6 run #0: crashed: possible deadlock in lock_mm_and_find_vma run #1: crashed: possible deadlock in lock_mm_and_find_vma run #2: crashed: possible deadlock in exfat_get_block run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] # git bisect good c05cfd71df7c0adfaa60c153a75b23e6efbd3978 Bisecting: 10 revisions left to test after this (roughly 3 steps) [4b954598a47ba07034aab9af8ddd485bdc3d5b16] Merge tag 'exfat-for-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat determine whether the revision contains the guilty commit revision 57012c57536f8814dec92e74197ee96c3498d24e crashed and is reachable testing commit 4b954598a47ba07034aab9af8ddd485bdc3d5b16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dff8ec2edbdc664f4c415dab1f072f5e5725d4faa205e8762020beaa78492ed0 all runs: OK false negative chance: 0.000 # git bisect bad 4b954598a47ba07034aab9af8ddd485bdc3d5b16 Bisecting: 3 revisions left to test after this (roughly 2 steps) [79d65ee53b968c006ad382a4d4c2dccd898706f9] Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi determine whether the revision contains the guilty commit revision fdf0eaf11452d72945af31804e2a1048ee1b574c crashed and is reachable testing commit 79d65ee53b968c006ad382a4d4c2dccd898706f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 013be0a3367c9910d10a8477404217e023a7b8ec5424af08f047c5da8512db5b run #0: crashed: possible deadlock in lock_mm_and_find_vma run #1: crashed: possible deadlock in exfat_get_block run #2: crashed: possible deadlock in exfat_get_block run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] # git bisect good 79d65ee53b968c006ad382a4d4c2dccd898706f9 Bisecting: 1 revision left to test after this (roughly 1 step) [d42334578eba1390859012ebb91e1e556d51db49] exfat: check if filename entries exceeds max filename length determine whether the revision contains the guilty commit checking the merge base 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 no existing result, test the revision testing commit 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 750c6386a2eb78da7debce624ccf9d5f4e39c9f1c7243dcb6d3512cc7ce84d9c run #0: crashed: possible deadlock in exfat_get_block run #1: crashed: possible deadlock in exfat_get_block run #2: crashed: possible deadlock in lock_mm_and_find_vma run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: OK representative crash: possible deadlock in exfat_get_block, types: [LOCKDEP] testing commit d42334578eba1390859012ebb91e1e556d51db49 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1c11f519bf507b669146238714fa88a94c3b6c5b089df86078ee9bdd5d52c515 run #0: crashed: possible deadlock in lock_mm_and_find_vma run #1: crashed: possible deadlock in exfat_get_block run #2: crashed: possible deadlock in lock_mm_and_find_vma run #3: crashed: possible deadlock in exfat_get_block run #4: crashed: possible deadlock in exfat_get_block run #5: crashed: possible deadlock in exfat_get_block run #6: crashed: possible deadlock in exfat_get_block run #7: crashed: possible deadlock in exfat_get_block run #8: crashed: possible deadlock in exfat_get_block run #9: crashed: possible deadlock in exfat_get_block representative crash: possible deadlock in lock_mm_and_find_vma, types: [LOCKDEP] # git bisect good d42334578eba1390859012ebb91e1e556d51db49 Bisecting: 0 revisions left to test after this (roughly 0 steps) [ff84772fd45d486e4fc78c82e2f70ce5333543e6] exfat: release s_lock before calling dir_emit() determine whether the revision contains the guilty commit revision d42334578eba1390859012ebb91e1e556d51db49 crashed and is reachable testing commit ff84772fd45d486e4fc78c82e2f70ce5333543e6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d2eeeb88bd0f95737fe94629f39a122889b44736b8abb9874c9ef13bf9b4636 all runs: OK false negative chance: 0.000 # git bisect bad ff84772fd45d486e4fc78c82e2f70ce5333543e6 ff84772fd45d486e4fc78c82e2f70ce5333543e6 is the first bad commit commit ff84772fd45d486e4fc78c82e2f70ce5333543e6 Author: Sungjong Seo Date: Fri Jul 14 17:43:54 2023 +0900 exfat: release s_lock before calling dir_emit() There is a potential deadlock reported by syzbot as below: ====================================================== WARNING: possible circular locking dependency detected 6.4.0-next-20230707-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor330/5073 is trying to acquire lock: ffff8880218527a0 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock_killable include/linux/mmap_lock.h:151 [inline] ffff8880218527a0 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5293 [inline] ffff8880218527a0 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x369/0x510 mm/memory.c:5344 but task is already holding lock: ffff888019f760e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_iterate+0x117/0xb50 fs/exfat/dir.c:232 which lock already depends on the new lock. Chain exists of: &mm->mmap_lock --> mapping.invalidate_lock#3 --> &sbi->s_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sbi->s_lock); lock(mapping.invalidate_lock#3); lock(&sbi->s_lock); rlock(&mm->mmap_lock); Let's try to avoid above potential deadlock condition by moving dir_emit*() out of sbi->s_lock coverage. Fixes: ca06197382bd ("exfat: add directory operations") Cc: stable@vger.kernel.org #v5.7+ Reported-by: syzbot+1741a5d9b79989c10bdc@syzkaller.appspotmail.com Link: https://lore.kernel.org/lkml/00000000000078ee7e060066270b@google.com/T/#u Tested-by: syzbot+1741a5d9b79989c10bdc@syzkaller.appspotmail.com Signed-off-by: Sungjong Seo Signed-off-by: Namjae Jeon fs/exfat/dir.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) accumulated error probability: 0.00 culprit signature: 1d2eeeb88bd0f95737fe94629f39a122889b44736b8abb9874c9ef13bf9b4636 parent signature: 1c11f519bf507b669146238714fa88a94c3b6c5b089df86078ee9bdd5d52c515 revisions tested: 24, total time: 6h52m48.677682122s (build: 2h28m45.041117954s, test: 4h7m26.162971889s) first good commit: ff84772fd45d486e4fc78c82e2f70ce5333543e6 exfat: release s_lock before calling dir_emit() recipients (to): ["linkinjeon@kernel.org" "sj1557.seo@samsung.com" "syzbot+1741a5d9b79989c10bdc@syzkaller.appspotmail.com"] recipients (cc): []