ci2 starts bisection 2023-08-01 00:20:19.006177974 +0000 UTC m=+117201.923895698 bisecting fixing commit since d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27 ensuring issue is reproducible on original commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 141d19a1664c5713f47d7333d76b74a915ac5bdeaa31dd2f8d7eccaf4e29cdd4 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2f3b6228c956d7f8e5902e1e5f7f65b33de672aff6efaa3522b9a46c904f5dcd all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=7498 full=9690 leaves diff=1935 split chunks (needed=false): <1935> split chunk #0 of len 1935 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 208a217fb1de5671e3bb2e14ffb5321d738eca1168c45b0ae2ee29a240ec460e all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1fb42eb7b41edbec82d5f070757b195eb73ed4b7c23a19d174b863af6448547 all runs: boot failed: can't ssh into the instance unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d8a5971af71095be4ba41269559d3336588ada43937983446126cb2a32cf28a2 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 068ef9fd34b915e643d74853faa24d893398038f9193eacf1a5e5b192e525509 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4c7f703618ff66ee0731aa73807e8365df7c4a280563b142761655226139c54 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] the chunk can be dropped minimized to 774 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_DOCK ACPI_VIDEO ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME AR5523 ASM_MODVERSIONS ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATA_PIIX ATH10K ATH10K_CE ATH10K_PCI ATH10K_SNOC ATH10K_USB ATH11K ATH11K_AHB ATH11K_PCI ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AX25 AX25_DAMA_SLAVE BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BINFMT_MISC BLK_CGROUP_IOCOST BLK_CGROUP_IOLATENCY BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_SR BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_RDMA BLK_RQ_ALLOC_TIME BLK_WBT BLK_WBT_MQ BONDING BPF_JIT_ALWAYS_ON BPF_STREAM_PARSER BPQETHER BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_MRP BRIDGE_NF_EBTABLES BSD_DISKLABEL BTRFS_ASSERT BTRFS_FS_REF_VERIFY BT_6LOWPAN BT_ATH3K BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB_MTK BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIVHCI BT_HS BT_LE BT_MSFTEXT BT_MTK BT_RFCOMM BT_RFCOMM_TTY CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN_8DEV_USB CAN_EMS_USB CAN_GS_USB CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_PEAK_USB CAN_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_HAS_ZERO_CALL_USED_REGS CDROM CEC_CORE CEC_NOTIFIER CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_NET_CLASSID CGROUP_NET_PRIO CGROUP_RDMA CHARGER_BQ24190 CHARGER_ISP1704 CHECKPOINT_RESTORE CHECK_SIGNATURE CHR_DEV_SG CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLS_U32_MARK CLS_U32_PERF CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES CONNECTOR COUNTER CPU_FREQ_DEFAULT_GOV_USERSPACE CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AES_ARM64 CRYPTO_AES_TI CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_CAMELLIA CRYPTO_CFB CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CRC32 CRYPTO_CTS CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_VIRTIO CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECRDSA CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_NHPOLY1305 CRYPTO_OFB CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_NEON CRYPTO_POLYVAL CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SEQIV CRYPTO_SM2 CRYPTO_SM4_ARM64_CE CRYPTO_SM4_ARM64_CE_BLK CRYPTO_SM4_ARM64_NEON_BLK CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_COMMON CRYPTO_USER CRYPTO_USER_API_AEAD CRYPTO_USER_API_HASH CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCB DEFAULT_CUBIC DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_ANALOGIX_DP DRM_BOCHS DRM_BRIDGE DRM_CDNS_MHDP8546 DRM_CDNS_MHDP8546_J721E DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_CONNECTOR DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS DRM_DW_HDMI DRM_DW_HDMI_AHB_AUDIO DRM_DW_HDMI_CEC DRM_DW_HDMI_I2S_AUDIO DRM_DW_MIPI_DSI DRM_ETNAVIV DRM_ETNAVIV_THERMAL DRM_EXYNOS DRM_EXYNOS5433_DECON DRM_EXYNOS7_DECON DRM_EXYNOS_DSI DRM_EXYNOS_HDMI DRM_EXYNOS_MIC DRM_FBDEV_EMULATION DRM_GEM_DMA_HELPER DRM_GEM_SHMEM_HELPER DRM_HDLCD DRM_HISI_HIBMC DRM_HISI_KIRIN DRM_I2C_ADV7511 DRM_I2C_ADV7511_AUDIO DRM_I2C_ADV7511_CEC DRM_I2C_CH7006 DRM_I2C_NXP_TDA998X DRM_I2C_SIL164 DRM_IMX_DCSS DRM_KMS_HELPER DRM_KOMEDA DRM_LEGACY DRM_LIMA DRM_LONTIUM_LT8912B DRM_LONTIUM_LT9611 DRM_LONTIUM_LT9611UXC DRM_MALI_DISPLAY DRM_MEDIATEK DRM_MEDIATEK_HDMI DRM_MESON DRM_MESON_DW_HDMI DRM_MIPI_DSI DRM_MSM DRM_MSM_DP DRM_MSM_DPU DRM_MSM_DSI DRM_MSM_DSI_10NM_PHY DRM_MSM_DSI_14NM_PHY DRM_MSM_DSI_20NM_PHY DRM_MSM_DSI_28NM_8960_PHY DRM_MSM_DSI_28NM_PHY DRM_MSM_DSI_7NM_PHY DRM_MSM_GPU_STATE DRM_MSM_HDMI DRM_MSM_HDMI_HDCP DRM_MSM_MDP4 DRM_MSM_MDP5 DRM_MSM_MDSS DRM_MXS DRM_MXSFB DRM_NOMODESET DRM_NOUVEAU DRM_NOUVEAU_BACKLIGHT DRM_NWL_MIPI_DSI DRM_PANEL DRM_PANEL_BOE_TV101WUM_NL6 DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_LVDS DRM_PANEL_MANTIX_MLAF057WE51 DRM_PANEL_RAYDIUM_RM67191 DRM_PANEL_SIMPLE DRM_PANEL_SITRONIX_ST7703 DRM_PANEL_TRULY_NT35597_WQXGA DRM_PANFROST DRM_PARADE_PS8640 DRM_PL111 DRM_RCAR_CMM DRM_RCAR_DU DRM_RCAR_DW_HDMI DRM_RCAR_LVDS DRM_RCAR_MIPI_DSI DRM_RCAR_USE_CMM DRM_RCAR_USE_LVDS DRM_RCAR_USE_MIPI_DSI DRM_RCAR_VSP DRM_RCAR_WRITEBACK DRM_SCHED DRM_SII902X DRM_SIMPLEDRM DRM_SIMPLE_BRIDGE DRM_SUN4I DRM_SUN6I_DSI DRM_SUN8I_DW_HDMI DRM_SUN8I_MIXER DRM_SUN8I_TCON_TOP DRM_TEGRA DRM_THINE_THC63LVD1024 DRM_TIDSS DRM_TI_SN65DSI86 DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_V3D DRM_VC4 DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB 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 E100 ECRYPT_FS ECRYPT_FS_MESSAGING 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_POSIX_ACL EXT3_FS_SECURITY EXT4_FS_SECURITY 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 FB_DEFERRED_IO FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VIRTUAL FDDI FIB_RULES FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FRAMEBUFFER_CONSOLE_ROTATION FRONTSWAP FSCACHE FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FW_LOADER_COMPRESS FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GVE HAMRADIO HAVE_ARCH_USERFAULTFD_MINOR HAVE_IMA_KEXEC HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HIDRAW 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_GYRATION 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_NTI HID_NTRIG HID_ORTEK HID_PENMOUNT HID_PETALYNX HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PID HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SAMSUNG 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_SUNPLUS HID_THINGM HID_TIVO HID_TOPSEED HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPFS_FS I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB 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_AH INET6_ESP INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_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_RTRS_CLIENT INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_JOYSTICK 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 IOSCHED_BFQ IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_IPV6HEADER IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL 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_ADVANCED_ROUTER IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE IP_MROUTE_COMMON 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_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_PIMSM_V1 IP_PIMSM_V2 IP_PNP_RARP IP_ROUTE_CLASSID IP_ROUTE_MULTIPATH IP_ROUTE_VERBOSE 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_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_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI ISDN_CAPI_MIDDLEWARE ISO9660_FS JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOLIET JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL LAPB LCD_CLASS_DEVICE MAC80211 MAC80211_LEDS MAC802154 MEDIA_RADIO_SUPPORT MEDIA_TEST_SUPPORT MFD_DLN2 MFD_VIPERBOARD MPTCP NET_CLS_U32 NET_IPGRE_DEMUX NET_SCH_DEFAULT NFT_FWD_NETDEV NF_CONNTRACK_FTP NF_CONNTRACK_SIP NF_TABLES NF_TABLES_NETDEV PARTITION_ADVANCED RADIO_ADAPTERS RADIO_SI4713 RFKILL SND SND_SOC SOUND TCP_CONG_ADVANCED TLS TLS_DEVICE TRUSTED_KEYS WAN WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH XFRM ZONE_DEVICE] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing current HEAD d2a6dc4eaf6d50ba32a9b39b4c6ec713a92072ab testing commit d2a6dc4eaf6d50ba32a9b39b4c6ec713a92072ab gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 959032c134827bad4813614223eec106d568d046b50dbcf5eaca1f754bd74536 run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: boot failed: can't ssh into the instance false negative chance: 0.000 # git bisect start d2a6dc4eaf6d50ba32a9b39b4c6ec713a92072ab d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb Bisecting: 891 revisions left to test after this (roughly 10 steps) [657a83f079ba69c49491338782b83509749da483] wifi: iwlwifi: pull from TXQs with softirqs disabled testing commit 657a83f079ba69c49491338782b83509749da483 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b8b44b017e408e8e3da63799f01fb48f85aa275841f4c0b0623e07c0214038da all runs: OK false negative chance: 0.000 # git bisect bad 657a83f079ba69c49491338782b83509749da483 Bisecting: 445 revisions left to test after this (roughly 9 steps) [447f325497dcd41fd17cf415c1d1f5c79d192f48] zswap: do not shrink if cgroup may not zswap testing commit 447f325497dcd41fd17cf415c1d1f5c79d192f48 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 466ec2e2f23477f52105522b609b701d2a99585781b97602c09590ddd45476b0 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] # git bisect good 447f325497dcd41fd17cf415c1d1f5c79d192f48 Bisecting: 222 revisions left to test after this (roughly 8 steps) [6d1eec1f2dd71a218b7a579f862337f4c739ffef] mmc: usdhi60rol0: fix deferred probing testing commit 6d1eec1f2dd71a218b7a579f862337f4c739ffef gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b59e1da704bc055895345aa41efa2d28d3bfb5a62ad04adfccf767183d3db5cc all runs: OK false negative chance: 0.000 # git bisect bad 6d1eec1f2dd71a218b7a579f862337f4c739ffef Bisecting: 111 revisions left to test after this (roughly 7 steps) [ab1bbd79f48ec35fe17c04a657ca53216cc8f7d1] Revert "net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy" testing commit ab1bbd79f48ec35fe17c04a657ca53216cc8f7d1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c2e45c3ef93babb0ab5f027000337c4a766778f14f66cb19364deaa29ac314c all runs: OK false negative chance: 0.000 # git bisect bad ab1bbd79f48ec35fe17c04a657ca53216cc8f7d1 Bisecting: 55 revisions left to test after this (roughly 6 steps) [b4e5d0c4cf07caef4b596a7afe0b4ad8e15d8283] net/sched: simplify tcf_pedit_act testing commit b4e5d0c4cf07caef4b596a7afe0b4ad8e15d8283 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b139ed5fc3d34702a73c5a00ef97aae0863c9089b32b9fcebc5da3007b9a950 all runs: OK false negative chance: 0.000 # git bisect bad b4e5d0c4cf07caef4b596a7afe0b4ad8e15d8283 Bisecting: 27 revisions left to test after this (roughly 5 steps) [21863dc45aed8d68a2573cce032ecbc8fe7c5bf5] drm/amdgpu: add missing radeon secondary PCI ID testing commit 21863dc45aed8d68a2573cce032ecbc8fe7c5bf5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3e77ae5d0e83a154148685c331c685d6fc214340a63cd49a9df43746ad85312 all runs: OK false negative chance: 0.000 # git bisect bad 21863dc45aed8d68a2573cce032ecbc8fe7c5bf5 Bisecting: 13 revisions left to test after this (roughly 4 steps) [9e1c7968a27512168951b7cebd14d814f98747d9] btrfs: can_nocow_file_extent should pass down args->strict from callers testing commit 9e1c7968a27512168951b7cebd14d814f98747d9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 17d1ca11ecced68a533af747512a0c8726ff5588cd34d22c41234291a57c4627 all runs: OK false negative chance: 0.000 # git bisect bad 9e1c7968a27512168951b7cebd14d814f98747d9 Bisecting: 6 revisions left to test after this (roughly 3 steps) [c9c3163c7ab901fb1f184a821285851534ba46e2] io_uring/net: save msghdr->msg_control for retries testing commit c9c3163c7ab901fb1f184a821285851534ba46e2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c0b91fe4bbf16dfbf3b80d8c90f83dbc06447fc0597929c493a124fb5d0ea8e all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] # git bisect good c9c3163c7ab901fb1f184a821285851534ba46e2 Bisecting: 3 revisions left to test after this (roughly 2 steps) [352f62431ad3ac59ef252594948a861c64386226] riscv/purgatory: remove PGO flags testing commit 352f62431ad3ac59ef252594948a861c64386226 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f85d279c4aa51acd9ade1f3a9cbd7272a1b3eba78472fe28d481ac7ba5cd4805 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] # git bisect good 352f62431ad3ac59ef252594948a861c64386226 Bisecting: 1 revision left to test after this (roughly 1 step) [4389fb6b6a9d31704cc576b7671b6dfe9ac9f966] btrfs: do not ASSERT() on duplicated global roots testing commit 4389fb6b6a9d31704cc576b7671b6dfe9ac9f966 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b6ece228eda16dad6bcdf3a8f1e78baf809c0ef5bda0dcc470057fa2dfd63a37 all runs: OK false negative chance: 0.000 # git bisect bad 4389fb6b6a9d31704cc576b7671b6dfe9ac9f966 Bisecting: 0 revisions left to test after this (roughly 0 steps) [7e23b1ec720aa572a94554ce1444cb756d2e0ed8] powerpc/purgatory: remove PGO flags testing commit 7e23b1ec720aa572a94554ce1444cb756d2e0ed8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed119ceb38fb92aeb6ffad62989aa78e25035ad80d2e71721558774da27ab9c5 all runs: crashed: kernel BUG in btrfs_global_root_delete representative crash: kernel BUG in btrfs_global_root_delete, types: [BUG] # git bisect good 7e23b1ec720aa572a94554ce1444cb756d2e0ed8 4389fb6b6a9d31704cc576b7671b6dfe9ac9f966 is the first bad commit commit 4389fb6b6a9d31704cc576b7671b6dfe9ac9f966 Author: Qu Wenruo Date: Sun Jun 11 08:09:13 2023 +0800 btrfs: do not ASSERT() on duplicated global roots commit 745806fb4554f334e6406fa82b328562aa48f08f upstream. [BUG] Syzbot reports a reproducible ASSERT() when using rescue=usebackuproot mount option on a corrupted fs. The full report can be found here: https://syzkaller.appspot.com/bug?extid=c4614eae20a166c25bf0 BTRFS error (device loop0: state C): failed to load root csum assertion failed: !tmp, in fs/btrfs/disk-io.c:1103 ------------[ cut here ]------------ kernel BUG at fs/btrfs/ctree.h:3664! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3608 Comm: syz-executor356 Not tainted 6.0.0-rc7-syzkaller-00029-g3800a713b607 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:assertfail+0x1a/0x1c fs/btrfs/ctree.h:3663 RSP: 0018:ffffc90003aaf250 EFLAGS: 00010246 RAX: 0000000000000032 RBX: 0000000000000000 RCX: f21c13f886638400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888021c640a0 R08: ffffffff816bd38d R09: ffffed10173667f1 R10: ffffed10173667f1 R11: 1ffff110173667f0 R12: dffffc0000000000 R13: ffff8880229c21f7 R14: ffff888021c64060 R15: ffff8880226c0000 FS: 0000555556a73300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a2637d7a00 CR3: 00000000709c4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_global_root_insert+0x1a7/0x1b0 fs/btrfs/disk-io.c:1103 load_global_roots_objectid+0x482/0x8c0 fs/btrfs/disk-io.c:2467 load_global_roots fs/btrfs/disk-io.c:2501 [inline] btrfs_read_roots fs/btrfs/disk-io.c:2528 [inline] init_tree_roots+0xccb/0x203c fs/btrfs/disk-io.c:2939 open_ctree+0x1e53/0x33df fs/btrfs/disk-io.c:3574 btrfs_fill_super+0x1c6/0x2d0 fs/btrfs/super.c:1456 btrfs_mount_root+0x885/0x9a0 fs/btrfs/super.c:1824 legacy_get_tree+0xea/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1530 fc_mount fs/namespace.c:1043 [inline] vfs_kern_mount+0xc9/0x160 fs/namespace.c:1073 btrfs_mount+0x3d3/0xbb0 fs/btrfs/super.c:1884 [CAUSE] Since the introduction of global roots, we handle csum/extent/free-space-tree roots as global roots, even if no extent-tree-v2 feature is enabled. So for regular csum/extent/fst roots, we load them into fs_info::global_root_tree rb tree. And we should not expect any conflicts in that rb tree, thus we have an ASSERT() inside btrfs_global_root_insert(). But rescue=usebackuproot can break the assumption, as we will try to load those trees again and again as long as we have bad roots and have backup roots slot remaining. So in that case we can have conflicting roots in the rb tree, and triggering the ASSERT() crash. [FIX] We can safely remove that ASSERT(), as the caller will properly put the offending root. To make further debugging easier, also add two explicit error messages: - Error message for conflicting global roots - Error message when using backup roots slot Reported-by: syzbot+a694851c6ab28cbcfb9c@syzkaller.appspotmail.com Fixes: abed4aaae4f7 ("btrfs: track the csum, extent, and free space trees in a rb tree") CC: stable@vger.kernel.org # 6.1+ Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman fs/btrfs/disk-io.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: b6ece228eda16dad6bcdf3a8f1e78baf809c0ef5bda0dcc470057fa2dfd63a37 parent signature: ed119ceb38fb92aeb6ffad62989aa78e25035ad80d2e71721558774da27ab9c5 revisions tested: 19, total time: 6h33m41.113969892s (build: 4h22m49.409681109s, test: 1h57m16.08305875s) first good commit: 4389fb6b6a9d31704cc576b7671b6dfe9ac9f966 btrfs: do not ASSERT() on duplicated global roots recipients (to): ["dsterba@suse.com" "gregkh@linuxfoundation.org" "wqu@suse.com"] recipients (cc): []