ci2 starts bisection 2025-05-18 06:33:29.034472652 +0000 UTC m=+119789.123901873 bisecting cause commit starting from 172a9d94339cea832d89630b89d314e41d622bd8 building syzkaller on f41472b03ad1c28c33fa0dcb999ded4c60d1247d ensuring issue is reproducible on original commit 172a9d94339cea832d89630b89d314e41d622bd8 testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: fe6eb3e3e4ce36737863583c8038d1a6bc54d38486ad18e3b3de05de219772a2 all runs: crashed: INFO: task hung in process_measurement representative crash: INFO: task hung in process_measurement, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 3bd5489c4b79687b5814e7fba89792daf597055222e046bcfa5493a50ddceb9f all runs: crashed: INFO: task hung in process_measurement representative crash: INFO: task hung in process_measurement, types: [HANG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed kconfig minimization: base=4080 full=8322 leaves diff=2130 split chunks (needed=false): <2130> split chunk #0 of len 2130 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 4c90dc1946f1e78a6c7a487642b009f7b5e10883b6538148aef1fef16496f2a0 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 1dd20dda423766f4534e9c6d871ca3b71c7960cf70e756ebb102c8b17e0de544 all runs: crashed: INFO: task hung in do_truncate representative crash: INFO: task hung in do_truncate, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: a02d714e722e1c518eb033cef8fde3dba80e5615dcf0f16e8f29879e1497bb57 all runs: crashed: INFO: task hung in do_truncate representative crash: INFO: task hung in do_truncate, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 309ddddb97afd79dab999a3b438752777b293bd6adba3c17002fec89d5feab7c all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 172a9d94339cea832d89630b89d314e41d622bd8 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 87dde37b5e1400d9394ccacea536f9cb566f8c4939e9ca382f523659bd6732f1 all runs: crashed: INFO: task hung in do_truncate representative crash: INFO: task hung in do_truncate, types: [HANG] the chunk can be dropped minimized to 852 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_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_SHA1_NI AS_SHA256_NI AS_TPAUSE ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL 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 AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE 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_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_HIDP BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL BXT_WC_PMIC_OPREGION CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE 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_BPF CHARGER_ISP1704 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 CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC64 CRC64_ARCH CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32C CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_HKDF CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CHACHA_INTERNAL CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_POLY1305_INTERNAL CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3 CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_SM4_GENERIC CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEBUG_VFS DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID 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_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_FBDEV_EMULATION DVB_CORE ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_DRAGONRISE HID_NINTENDO HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_RTRS_CLIENT INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IOSCHED_BFQ IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_CLS_U32 NET_IPGRE NET_IPGRE_DEMUX NET_SCH_DEFAULT NFS_V4_1 NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_SCODEC_COMPONENT SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_ELD SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STEAM_FF STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEE TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_DEVICE TLS_TOE TMPFS_QUOTA TOOLS_SUPPORT_RELR 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 TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UCSI_STM32G0 UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_PHY USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VLAN_8021Q VXLAN WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed picked [v6.14 v6.13 v6.12 v6.10 v6.8 v6.6 v6.4 v6.2 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 37 release tags testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 83b5b5f4a8105f242f864f547e37020e374e3290202a2238a0ab6a07d2f45b30 all runs: crashed: INFO: task hung in do_truncate representative crash: INFO: task hung in do_truncate, types: [HANG] testing release v6.13 testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: fc0aa9c45994309324151d2501f3f776726625a914776fd59dd1cf8b79246c6a run #0: crashed: INFO: task hung in do_truncate run #1: crashed: INFO: task hung in do_truncate run #2: crashed: INFO: task hung in __closure_sync_timeout run #3: crashed: INFO: task hung in __closure_sync_timeout run #4: crashed: INFO: task hung in __closure_sync_timeout run #5: crashed: INFO: task hung in __closure_sync_timeout run #6: crashed: INFO: task hung in __closure_sync_timeout run #7: crashed: INFO: task hung in do_truncate run #8: crashed: INFO: task hung in __closure_sync_timeout run #9: crashed: INFO: task hung in __closure_sync_timeout representative crash: INFO: task hung in do_truncate, types: [HANG] testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 3cee4c629a97b010aaca7c26c328dae204468531b0997d160c1b600439abb938 all runs: crashed: INFO: task hung in __closure_sync_timeout representative crash: INFO: task hung in __closure_sync_timeout, types: [HANG] testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 8f019fe069c7c7bdf3a6e6b46bc79454be3451a056eab3456bebc8ae9d2f12e1 all runs: OK false negative chance: 0.000 # git bisect start adc218676eef25575469234709c2d87185ca223a 0c3836482481200ead7b416ca80c68a29cfdaabd Bisecting: 14868 revisions left to test after this (roughly 14 steps) [703896be3015db7f8fd8822b18909a5914209a70] Merge tag 'sound-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 703896be3015db7f8fd8822b18909a5914209a70 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: e7d11beca2ca14671c70d84d1ae9253ebe52a560dae661f808c13872358bf423 all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 703896be3015db7f8fd8822b18909a5914209a70 Bisecting: 6814 revisions left to test after this (roughly 13 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 5c84d78e976ae9d24fd01d591951dd63e2e90beb2a37b67f15e4f4c7ab69c573 all runs: OK false negative chance: 0.000 # git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 3536 revisions left to test after this (roughly 12 steps) [7846b618e0a4c3e08888099d1d4512722b39ca99] Merge tag 'rtc-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux testing commit 7846b618e0a4c3e08888099d1d4512722b39ca99 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: b3aaef4e4500f6a58fbe588b1c95f5be1b6491c2f6b8d799a4a4f8ebd84d7e6a all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 7846b618e0a4c3e08888099d1d4512722b39ca99 Bisecting: 1639 revisions left to test after this (roughly 11 steps) [53a5182c8a6805d3096336709ba5790d16f8c369] Merge tag 'for-6.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit 53a5182c8a6805d3096336709ba5790d16f8c369 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: d3b23c2b19ca6880064cee1cbfa1a561b32f0e814876c6ea4bc09613a97813eb all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 53a5182c8a6805d3096336709ba5790d16f8c369 Bisecting: 825 revisions left to test after this (roughly 10 steps) [3d51520954154a476bfdacf9427acd1d9538734c] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 3d51520954154a476bfdacf9427acd1d9538734c gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: d3cf2ff0aacc5bf8fb2dc747ad54e93f1632f6c1600dfafd61b2e4a35032dbbd all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 3d51520954154a476bfdacf9427acd1d9538734c Bisecting: 406 revisions left to test after this (roughly 9 steps) [dddebdece62ead1ac1112e6df375f56a1cb45f84] Merge tag 'vfs-6.11-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs testing commit dddebdece62ead1ac1112e6df375f56a1cb45f84 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: f5810ee14889206ae68097d4e2608b9adcc1c3bd3c790bee38888c65b02b36ca all runs: OK false negative chance: 0.000 # git bisect good dddebdece62ead1ac1112e6df375f56a1cb45f84 Bisecting: 180 revisions left to test after this (roughly 8 steps) [720261cfc7329406a50c2a8536e0039b9dd9a4e5] Merge tag 'bcachefs-2024-07-18.2' of https://evilpiepirate.org/git/bcachefs testing commit 720261cfc7329406a50c2a8536e0039b9dd9a4e5 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 3e7ca4edfaad61390a7da074b373b87274656b8264c2a19272033bdd9cd08f65 all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 720261cfc7329406a50c2a8536e0039b9dd9a4e5 Bisecting: 112 revisions left to test after this (roughly 7 steps) [efb2018e4d238cc205690ac62c0917d60d291e66] bcachefs: Kill bch2_assert_btree_nodes_not_locked() testing commit efb2018e4d238cc205690ac62c0917d60d291e66 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: cdd03b9daef7a395b629261d11eb2235a35de9f83008caefff1224d34092f4b2 all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad efb2018e4d238cc205690ac62c0917d60d291e66 Bisecting: 56 revisions left to test after this (roughly 6 steps) [9ab55df5991eb967f6b94f8e1b855ffacdc50668] bcachefs: Walk leaf to root in btree_gc testing commit 9ab55df5991eb967f6b94f8e1b855ffacdc50668 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: b75eb2a4d69a4a579acae4dbf4999b7f64b0a7f98fc47ab9e0b7fcbab9d77702 all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 9ab55df5991eb967f6b94f8e1b855ffacdc50668 Bisecting: 27 revisions left to test after this (roughly 5 steps) [2744e5c9eb1a1090b5f61c955e934c70bfe6b04c] bcachefs: KEY_TYPE_accounting testing commit 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 17c85c380b330728eead77aa756192621e32faaf00abce0a64d9977106e0d6e7 all runs: OK false negative chance: 0.000 # git bisect good 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c Bisecting: 13 revisions left to test after this (roughly 4 steps) [fb23d57a6dfc4e521c003dc542799f07d22d269e] bcachefs: Convert gc to new accounting testing commit fb23d57a6dfc4e521c003dc542799f07d22d269e gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 03981d632257db3e826b2b34accb0343e0e2fd94bdd14e6edd3085bcaf1e866d all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad fb23d57a6dfc4e521c003dc542799f07d22d269e Bisecting: 6 revisions left to test after this (roughly 3 steps) [6b39638b84b462e29e8008f5b5f6fad93e021544] bcachefs: Convert bch2_ioctl_fs_usage() to new accounting testing commit 6b39638b84b462e29e8008f5b5f6fad93e021544 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 5e37586b28caf5ed5ac190dcb0414b51a9dbe32d1efef49239733c093df45ee2 all runs: crashed: INFO: task hung in bch2_journal_reclaim_thread representative crash: INFO: task hung in bch2_journal_reclaim_thread, types: [HANG] # git bisect bad 6b39638b84b462e29e8008f5b5f6fad93e021544 Bisecting: 3 revisions left to test after this (roughly 2 steps) [1d16c605cc55ef26f0c65b362665a6c99080ccbc] bcachefs: Disk space accounting rewrite testing commit 1d16c605cc55ef26f0c65b362665a6c99080ccbc gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 1cacb78c9bb759a620429e11e89ac2be4241b90a3a3a0438e547bcd2b45c0511 all runs: crashed: INFO: task hung in __closure_sync representative crash: INFO: task hung in __closure_sync, types: [HANG] # git bisect bad 1d16c605cc55ef26f0c65b362665a6c99080ccbc Bisecting: 0 revisions left to test after this (roughly 1 step) [5d9667d1d6eaca3f6cd3c63cd6a0f309147c7f5c] bcachefs: btree write buffer knows how to accumulate bch_accounting keys testing commit 5d9667d1d6eaca3f6cd3c63cd6a0f309147c7f5c gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: afbe8ac1ab562ebfbb70a38e543d9377d6bd86cadc1c63da69852299ae02624f all runs: OK false negative chance: 0.000 # git bisect good 5d9667d1d6eaca3f6cd3c63cd6a0f309147c7f5c 1d16c605cc55ef26f0c65b362665a6c99080ccbc is the first bad commit commit 1d16c605cc55ef26f0c65b362665a6c99080ccbc Author: Kent Overstreet Date: Thu Nov 9 14:22:46 2023 -0500 bcachefs: Disk space accounting rewrite Main part of the disk accounting rewrite. This is a wholesale rewrite of the existing disk space accounting, which relies on percepu counters that are sharded by journal buffer, and rolled up and added to each journal write. With the new scheme, every set of counters is a distinct key in the accounting btree; this fixes scaling limitations of the old scheme, where counters took up space in each journal entry and required multiple percpu counters. Now, in memory accounting requires a single set of percpu counters - not multiple for each in flight journal buffer - and in the future we'll probably also have counters that don't use in memory percpu counters, they're not strictly required. An accounting update is now a normal btree update, using the btree write buffer path. At transaction commit time, we apply accounting updates to the in memory counters, which are percpu counters indexed in an eytzinger tree by the accounting key. Signed-off-by: Kent Overstreet fs/bcachefs/alloc_background.c | 79 ++++++-- fs/bcachefs/alloc_background.h | 27 ++- fs/bcachefs/bcachefs.h | 6 +- fs/bcachefs/bcachefs_format.h | 1 - fs/bcachefs/bcachefs_ioctl.h | 7 +- fs/bcachefs/btree_gc.c | 5 +- fs/bcachefs/btree_iter.c | 9 - fs/bcachefs/btree_trans_commit.c | 65 +++++-- fs/bcachefs/btree_types.h | 1 - fs/bcachefs/btree_update.h | 9 +- fs/bcachefs/buckets.c | 291 +++++----------------------- fs/bcachefs/buckets.h | 26 +-- fs/bcachefs/disk_accounting.c | 366 ++++++++++++++++++++++++++++++++++- fs/bcachefs/disk_accounting.h | 131 +++++++++++++ fs/bcachefs/disk_accounting_format.h | 3 +- fs/bcachefs/disk_accounting_types.h | 20 ++ fs/bcachefs/ec.c | 26 +-- fs/bcachefs/inode.c | 9 +- fs/bcachefs/recovery.c | 17 +- fs/bcachefs/recovery_passes.c | 1 + fs/bcachefs/recovery_passes_types.h | 1 + fs/bcachefs/replicas.c | 42 ++-- fs/bcachefs/replicas.h | 11 +- fs/bcachefs/replicas_types.h | 16 -- fs/bcachefs/super.c | 49 +++-- 25 files changed, 795 insertions(+), 423 deletions(-) create mode 100644 fs/bcachefs/disk_accounting_types.h accumulated error probability: 0.00 culprit signature: 1cacb78c9bb759a620429e11e89ac2be4241b90a3a3a0438e547bcd2b45c0511 parent signature: afbe8ac1ab562ebfbb70a38e543d9377d6bd86cadc1c63da69852299ae02624f revisions tested: 25, total time: 9h27m8.384726703s (build: 4h17m59.716467611s, test: 3h45m59.930863696s) first bad commit: 1d16c605cc55ef26f0c65b362665a6c99080ccbc bcachefs: Disk space accounting rewrite recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: INFO: task hung in __closure_sync INFO: task syz.2.16:4004 blocked for more than 143 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.16 state:D stack:10504 pid:4004 tgid:4003 ppid:3645 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x69f/0x1400 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0xac/0x140 kernel/sched/core.c:6840 __closure_sync+0x53/0x80 lib/closure.c:146 closure_sync include/linux/closure.h:195 [inline] bch2_btree_update_start+0x6a2/0x7c0 fs/bcachefs/btree_update_interior.c:1267 bch2_btree_split_leaf+0x4e/0x210 fs/bcachefs/btree_update_interior.c:1851 bch2_trans_commit_error+0x1b6/0x3f0 fs/bcachefs/btree_trans_commit.c:961 __bch2_trans_commit+0x736/0x1c50 fs/bcachefs/btree_trans_commit.c:1189 bch2_trans_commit fs/bcachefs/btree_update.h:183 [inline] bch2_btree_write_buffer_flush_locked+0xde9/0x1080 fs/bcachefs/btree_write_buffer.c:429 btree_write_buffer_flush_seq+0x2cc/0x330 fs/bcachefs/btree_write_buffer.c:510 bch2_btree_write_buffer_journal_flush+0x2e/0x60 fs/bcachefs/btree_write_buffer.c:525 journal_flush_pins+0x23d/0x390 fs/bcachefs/journal_reclaim.c:553 journal_flush_done+0x4b/0xe0 fs/bcachefs/journal_reclaim.c:806 bch2_journal_flush_pins+0x12e/0x150 fs/bcachefs/journal_reclaim.c:839 bch2_journal_flush_all_pins fs/bcachefs/journal_reclaim.h:76 [inline] __bch2_fs_read_only+0x84/0x180 fs/bcachefs/super.c:277 bch2_fs_read_only+0x276/0x440 fs/bcachefs/super.c:357 __bch2_fs_stop+0x50/0x230 fs/bcachefs/super.c:619 bch2_fs_stop fs/bcachefs/super.c:678 [inline] bch2_fs_open+0xf04/0x12d0 fs/bcachefs/super.c:2161 bch2_mount fs/bcachefs/fs.c:1924 [inline] bch2_fs_get_tree+0x266/0x650 fs/bcachefs/fs.c:2088 vfs_get_tree+0x26/0xb0 fs/super.c:1789 do_new_mount+0x132/0x360 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x13c/0x1a0 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8f/0x170 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4f09d9010a RSP: 002b:00007f4f0ab5fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f4f0ab5fef0 RCX: 00007f4f09d9010a RDX: 00002000000000c0 RSI: 0000200000005c80 RDI: 00007f4f0ab5feb0 RBP: 00002000000000c0 R08: 00007f4f0ab5fef0 R09: 0000000000000010 R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000005c80 R13: 00007f4f0ab5feb0 R14: 0000000000005a38 R15: 0000200000000100 INFO: task bch-reclaim/loo:4012 blocked for more than 143 seconds. Not tainted 6.10.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:bch-reclaim/loo state:D stack:14584 pid:4012 tgid:4012 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x69f/0x1400 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0xac/0x140 kernel/sched/core.c:6840 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x43a/0x9c0 kernel/locking/mutex.c:752 bch2_journal_reclaim_thread+0x73/0x160 fs/bcachefs/journal_reclaim.c:726 kthread+0xe9/0x100 kernel/kthread.c:389 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8457f798 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8457f798 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8457f798 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 kernel/locking/lockdep.c:6614 2 locks held by getty/2312: #0: ffff88810770d8a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243 #1: ffffc9000494f2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x18a/0x690 drivers/tty/n_tty.c:2211 5 locks held by syz.2.16/4004: #0: ffff88811a800278 (&c->state_lock){....}-{3:3}, at: __bch2_fs_stop+0x48/0x230 fs/bcachefs/super.c:618 #1: ffff88811a84afe8 (&j->reclaim_lock){....}-{3:3}, at: journal_flush_done+0x36/0xe0 fs/bcachefs/journal_reclaim.c:804 #2: ffff88811a8042d0 (&c->btree_trans_barrier){....}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #2: ffff88811a8042d0 (&c->btree_trans_barrier){....}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #2: ffff88811a8042d0 (&c->btree_trans_barrier){....}-{0:0}, at: __bch2_trans_get+0x24c/0x3a0 fs/bcachefs/btree_iter.c:3193 #3: ffff88811a804718 (&wb->flushing.lock){....}-{3:3}, at: btree_write_buffer_flush_seq+0x2c4/0x330 fs/bcachefs/btree_write_buffer.c:509 #4: ffff88811a826750 (&c->gc_lock){....}-{3:3}, at: bch2_btree_update_start+0x2e8/0x7c0 fs/bcachefs/btree_update_interior.c:1195 1 lock held by bch-reclaim/loo/4012: #0: ffff88811a84afe8 (&j->reclaim_lock){....}-{3:3}, at: bch2_journal_reclaim_thread+0x73/0x160 fs/bcachefs/journal_reclaim.c:726 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x7f/0xc0 lib/dump_stack.c:114 nmi_cpu_backtrace+0xe6/0x140 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x8e/0x140 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0x5dd/0x600 kernel/hung_task.c:379 kthread+0xe9/0x100 kernel/kthread.c:389 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 518 Comm: kworker/u8:5 Not tainted 6.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:update_rq_clock_pelt kernel/sched/pelt.h:119 [inline] RIP: 0010:update_rq_clock_task kernel/sched/core.c:747 [inline] RIP: 0010:update_rq_clock+0x9e/0xc0 kernel/sched/core.c:769 Code: f6 40 2c 02 75 36 48 b8 ff ff ff ff ff ff 3f 00 48 21 c1 48 63 83 68 0b 00 00 48 8b 04 c5 e0 e8 15 84 48 0f af 88 28 ba 01 00 <48> c1 f9 0a 48 01 8b c8 0a 00 00 5b c3 cc cc cc cc cc 48 89 df 5b RSP: 0000:ffffc90002323d20 EFLAGS: 00000006 RAX: ffff88813bd00000 RBX: ffff88813bd31b00 RCX: 000000010e572400 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff85766040 RBP: ffffc90002323dd0 R08: 0000000000000004 R09: 00000038ec346cb6 R10: 0000000000000002 R11: ffffffff8103f820 R12: ffff888100087000 R13: ffff888100090000 R14: ffff88813bd31b00 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f43abb79000 CR3: 0000000004444000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __schedule+0xe5/0x1400 kernel/sched/core.c:6660 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0xac/0x140 kernel/sched/core.c:6840 toggle_allocation_gate+0x9e/0x110 mm/kfence/core.c:828 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0x2c5/0x5c0 kernel/workqueue.c:3329 worker_thread+0x23f/0x2f0 kernel/workqueue.c:3409 kthread+0xe9/0x100 kernel/kthread.c:389 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244