ci2 starts bisection 2025-12-15 14:10:36.224768362 +0000 UTC m=+1644048.401891439 bisecting cause commit starting from 8f0b4cce4481fb22653697cced8d0d04027cb1e8 building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4 ensuring issue is reproducible on original commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: a017f095562d52f9ed60b6d7c34fbad0dd927314d56a157a8d6900637300e389 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: INFO: task hung in nilfs_segctor_thread run #2: crashed: INFO: task hung in nilfs_segctor_thread run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread run #10: crashed: INFO: task hung in nilfs_segctor_thread run #11: crashed: INFO: task hung in nilfs_segctor_thread run #12: crashed: INFO: task hung in nilfs_segctor_thread run #13: crashed: INFO: task hung in nilfs_segctor_thread run #14: crashed: INFO: task hung in nilfs_segctor_thread run #15: crashed: INFO: task hung in nilfs_segctor_thread run #16: crashed: INFO: task hung in nilfs_segctor_thread run #17: crashed: INFO: task hung in nilfs_segctor_thread run #18: crashed: INFO: task hung in nilfs_segctor_thread run #19: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 44001c3e5808964e55a15509e74048f9425829cfe277f24f6361e50c79b5b84d run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] the bug reproduces without the instrumentation disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed kconfig minimization: base=4109 full=8375 leaves diff=2129 split chunks (needed=false): <2129> split chunk #0 of len 2129 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7d10e4c45a6b9ff77c28cbbb0ba171f86fdc5d95509edbafad46e3923ac5fb49 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 30f6cee7e554c8735ae72803be60fa94c3594542b03cd636c9e9eaf9ce54b49c run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: dfdcc995a4d36883ebd7de9ec6356081138a0f473d9b48403cad96add3146ad3 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4 testing without sub-chunk 4/5 disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2175a9484835c7beeec0a3c2ad073f7bc8cf0ee3317d12c8b5be1eec8c012f3a run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc 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: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 23e65811aa0fb06f3bfd9543cffae278818945d7a0ddcf83b6a72eaa762fd533 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] the chunk can be dropped minimized to 852 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BPF_SYSCALL BRIDGE BRIDGE_NETFILTER BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CAN CFG80211 CHECKPOINT_RESTORE CMA DAX DIBS DLM DMABUF_HEAPS DRM DVB_CORE ENCRYPTED_KEYS EXTCON FB_CORE GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_LOGITECH HID_NINTENDO HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER HSR IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_JOYSTICK INPUT_MOUSE INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IPV6_MULTIPLE_TABLES IP_NF_TARGET_SYNPROXY 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_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 IRQ_BYPASS_MANAGER IRQ_POLL IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISDN ISDN_CAPI 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 JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_PXRC JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMMON KVM_COMPAT KVM_ELIDE_TLB_FLUSH_IF_YOUNG KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRE_FAULT_MEMORY KVM_GUEST_MEMFD KVM_HYPERV KVM_IOAPIC KVM_MMIO KVM_MMU_LOCKLESS_AGING KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_X86 KVM_XEN L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_CLASS_MULTICOLOR LEGACY_PTYS LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MCTP MDIO_MVUSB MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_DEFAULT_ONLINE_TYPE_ONLINE_AUTO MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MODULE_SRCVERSION_ALL MOST MOST_USB_HDM MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MTD_UBI MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_CONNCOUNT NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_NAT NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GATE NET_ACT_IFE NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CRC32C NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SHAPER NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VENDOR_MUCSE NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_EXTHDR_DCCP NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV 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_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 OPTEE_STATIC_PROTMEM_POOL 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 POSIX_AUX_CLOCKS 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 PREEMPT_RT 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 RAMDAX RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP 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 RUSTC_HAS_SLICE_AS_FLATTENED 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_DEFAULT_COOKIE_HMAC_SHA256 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 SMC_HS_CTRL_BPF 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_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_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP 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_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 TEE_DMABUF_HEAPS TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS 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 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 UNWIND_USER 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_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WAN WATCH_QUEUE WIRELESS WLAN WLAN_VENDOR_PURELIFI WWAN X25 ZONE_DEVICE] disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed picked [v6.18 v6.17 v6.16 v6.14 v6.12 v6.10 v6.8 v6.6 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 41 release tags testing release v6.18 testing commit 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: cba27996e9a76cad68fa7dcc6eb5f9f31e6f59101b5ef23e8c649bf8b5902dcf run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.17 testing commit e5f0a698b34ed76002dc5cff3804a61c80233a7a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: beb72c85e9c8898c3d1f318a4ee0e79caa1549e1316b1ee81d5bed1c0b7a870a run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4 testing release v6.16 testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9c0e1e0f988b28977d2ddb64ad3b5535d929e49863f609af6bb90ccf3bbfbda2 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e149973d661b058eb80ca1d13e3223d76547cb6fb0ff8f9d38dcde8b682596fa run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 18596bb68362cf3d3a3759f9ed1216d06a4b8f947ce462653bdd49c8ebd1267c run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 286684a447beb480beaed3fc9f442ba0f0f5f4340386a4a2479a4f06feb5aa1f run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: INFO: task hung in nilfs_segctor_thread run #2: crashed: INFO: task hung in nilfs_segctor_thread run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.8 testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3dcc6fd39b804d345c9b7a55f444c077364e9f028fc31c10c947cf0f0a8cfaa2 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 failed building ffc253263a1375a65fa6c9f62a893e9767fbebfa: ./include/linux/vmstat.h:508:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] ./include/linux/vmstat.h:515:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] ./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion] ./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] ./include/linux/vmstat.h./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] ./include/linux/vmstat.h:522:36: error: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Werror,-Wenum-enum-conversion] 536 | retur./include/linux/vmstat.h:527:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] ./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] 5./include/linux/vmstat.h:536:43: error: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Werror,-Wenum-enum-conversion] testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 478e1e02650b997046ee6c7d9d29d00cb294efe2d7f024690c52e85338ef9244 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: INFO: task hung in nilfs_segctor_thread run #2: crashed: INFO: task hung in nilfs_segctor_thread run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 failed building 4fe89d07dcc2804c8b562f6c7896a45643d34b2f: ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 failed building f443e374ae131c168a065ea1748feac6b2e76613: scripts/sign-file.c:89:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations] /usr/include/openssl/err.h:422:1: note: 'ERR_get_error_line' has been explicitly marked deprecated here scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations] certs/extract-cert.c:46:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations] certs/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations] ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40025e8a5c43a95ab5e02db199b04b472d478b5cd72bcb974a95ef9ece89f5f6 all runs: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfb46629b34ba523eac185304b05aec863835a547b4c9547ba70c40fb4e24878 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect start 7d2a07b769330c34b4deabeed939325c77a7ec2f f40ddce88593482919761f74910f42f4b84c004b Bisecting: 24610 revisions left to test after this (roughly 15 steps) [85f3f17b5db2dd9f8a094a0ddc665555135afd22] Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.13 testing commit 85f3f17b5db2dd9f8a094a0ddc665555135afd22 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57505db51c77c727184d6cda02048d15a1403725e73961fa56166e9d33c0721d all runs: OK false negative chance: 0.000 # git bisect good 85f3f17b5db2dd9f8a094a0ddc665555135afd22 Bisecting: 12854 revisions left to test after this (roughly 14 steps) [222013f9ac30b9cec44301daa8dbd0aae38abffb] cryptoloop: add a deprecation warning testing commit 222013f9ac30b9cec44301daa8dbd0aae38abffb gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1145d8163925d3d2f14bd5d0ac847d834f9caa049b55e6ec38c32bbf868db49a run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: INFO: task hung in nilfs_segctor_thread run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] # git bisect bad 222013f9ac30b9cec44301daa8dbd0aae38abffb Bisecting: 5901 revisions left to test after this (roughly 13 steps) [a79cdfba68a13b731004f0aafe1155a83830d472] Merge tag 'nfsd-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux testing commit a79cdfba68a13b731004f0aafe1155a83830d472 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8a2e319d628597c2f3258aece9cda6b944555f4d11e5b24d42d8ab7e9600da5 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc 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: OK false negative chance: 0.000 # git bisect good a79cdfba68a13b731004f0aafe1155a83830d472 Bisecting: 2952 revisions left to test after this (roughly 12 steps) [f39bd8534594535f6fd968ee7e05d6a70b74d1a9] mm/gup_benchmark: support threading testing commit f39bd8534594535f6fd968ee7e05d6a70b74d1a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f095c174f424f0bf71cd1a910f7670ca5f4c29f2de44640f36bfd1416e7b3f0 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc 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: OK false negative chance: 0.000 # git bisect good f39bd8534594535f6fd968ee7e05d6a70b74d1a9 Bisecting: 1457 revisions left to test after this (roughly 11 steps) [31e798fd6f0ff0acdc49c1a358b581730936a09a] Merge tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 31e798fd6f0ff0acdc49c1a358b581730936a09a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b62eb96ef5ded326b4658f899e6cd1bc19036cacd4e2985452bf53a9a1113ab run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 31e798fd6f0ff0acdc49c1a358b581730936a09a Bisecting: 712 revisions left to test after this (roughly 10 steps) [5e6928249b81b4d8727ab6a4037a171d15455cb0] Merge tag 'acpi-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm testing commit 5e6928249b81b4d8727ab6a4037a171d15455cb0 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 074c408cf2b63177deb6f2a2ede1f6ed56aa15d8175f6fcc4ce78f50e21e63d4 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 5e6928249b81b4d8727ab6a4037a171d15455cb0 Bisecting: 356 revisions left to test after this (roughly 9 steps) [776ba3ad659e4955079f57f8d859e7994ea35076] Merge tag 'platform-drivers-x86-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit 776ba3ad659e4955079f57f8d859e7994ea35076 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 65a7af43f495b7b8ca9a1ae744786fd7b12150e1cae1fbab2b5f080e7d6ff286 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 776ba3ad659e4955079f57f8d859e7994ea35076 Bisecting: 152 revisions left to test after this (roughly 8 steps) [df668a5fe461bb9d7e899c538acc7197746038f4] Merge tag 'for-5.14/block-2021-06-29' of git://git.kernel.dk/linux-block testing commit df668a5fe461bb9d7e899c538acc7197746038f4 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ef168b6cfb76218a1aadaf93793117a7591c61f7440c5737574fe9abb3766a8 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc 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: OK false negative chance: 0.000 # git bisect good df668a5fe461bb9d7e899c538acc7197746038f4 Bisecting: 76 revisions left to test after this (roughly 6 steps) [8abd7e2a753ad5ae59c3ca918e71f437c0c4b344] nvmet: remove zeroout memset call for struct testing commit 8abd7e2a753ad5ae59c3ca918e71f437c0c4b344 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1c7712e94f2414d3f329331f5da1247932deec12bf160a55d3d222dc0e0de71f run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 8abd7e2a753ad5ae59c3ca918e71f437c0c4b344 Bisecting: 38 revisions left to test after this (roughly 5 steps) [585af8ede7035379b712cacca80e9c2c34853d4b] loop: remove unused variable in loop_set_status() testing commit 585af8ede7035379b712cacca80e9c2c34853d4b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66bbf216a1b541ef3c8c121711db7310445e8f7fdb530eeada57a12a7c3ecd91 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: INFO: task hung in nilfs_segctor_thread run #2: crashed: INFO: task hung in nilfs_segctor_thread run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] # git bisect bad 585af8ede7035379b712cacca80e9c2c34853d4b Bisecting: 18 revisions left to test after this (roughly 4 steps) [d6da83d072c187d6a69d5a49e2320f62920889d7] loop: remove the l argument to loop_add testing commit d6da83d072c187d6a69d5a49e2320f62920889d7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b958ba600a9a79a107cabce6c5ad4891c9ad03d7d4a6f9b137587eb6bad820db all runs: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] # git bisect bad d6da83d072c187d6a69d5a49e2320f62920889d7 Bisecting: 9 revisions left to test after this (roughly 3 steps) [cc25592caa5dfbb3ae17ef616a8c8f2e910ae549] mtip32xx: use blk_mq_alloc_disk and blk_cleanup_disk testing commit cc25592caa5dfbb3ae17ef616a8c8f2e910ae549 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce67df0ac43c566bd917e85ce93f42bf96716a7fd372a3d7259e6bb88b127974 all runs: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] # git bisect bad cc25592caa5dfbb3ae17ef616a8c8f2e910ae549 Bisecting: 4 revisions left to test after this (roughly 2 steps) [3c3ee16532c1be92350a2a88bd19283b7bdf32e9] nvmet: use NVMET_MAX_NAMESPACES to set nn value testing commit 3c3ee16532c1be92350a2a88bd19283b7bdf32e9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d857c0c24fee603a60597ed000cf465bb9518fa94e046cdbe2b0f531a3078c84 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 3c3ee16532c1be92350a2a88bd19283b7bdf32e9 Bisecting: 2 revisions left to test after this (roughly 1 step) [5ed9b357024dc43f75099f597187df05bcd5173c] Merge tag 'nvme-5.14-2021-06-22' of git://git.infradead.org/nvme into for-5.14/drivers testing commit 5ed9b357024dc43f75099f597187df05bcd5173c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f1c500a8ea76adeabb962c18566dbe9f8559e92a42bc8f4fbe35fdb9125ce23 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] # git bisect bad 5ed9b357024dc43f75099f597187df05bcd5173c Bisecting: 0 revisions left to test after this (roughly 0 steps) [2b9ac22b12a266eb4fec246a07b504dd4983b16b] loop: Fix missing discard support when using LOOP_CONFIGURE testing commit 2b9ac22b12a266eb4fec246a07b504dd4983b16b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 35860de6b5fc72dc90c7b473b3b068ff71d66fc713bf026126a2a0aad7b6f991 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: INFO: task hung in nilfs_segctor_thread run #3: crashed: INFO: task hung in nilfs_segctor_thread run #4: crashed: INFO: task hung in nilfs_segctor_thread run #5: crashed: INFO: task hung in nilfs_segctor_thread run #6: crashed: INFO: task hung in nilfs_segctor_thread run #7: crashed: INFO: task hung in nilfs_segctor_thread run #8: crashed: INFO: task hung in nilfs_segctor_thread run #9: crashed: INFO: task hung in nilfs_segctor_thread representative crash: INFO: task hung in nilfs_segctor_thread, types: [HANG] # git bisect bad 2b9ac22b12a266eb4fec246a07b504dd4983b16b 2b9ac22b12a266eb4fec246a07b504dd4983b16b is the first bad commit commit 2b9ac22b12a266eb4fec246a07b504dd4983b16b Author: Kristian Klausen Date: Fri Jun 18 13:51:57 2021 +0200 loop: Fix missing discard support when using LOOP_CONFIGURE Without calling loop_config_discard() the discard flag and parameters aren't set/updated for the loop device and worst-case they could indicate discard support when it isn't the case (ex: if the LOOP_SET_STATUS ioctl was used with a different file prior to LOOP_CONFIGURE). Cc: # 5.8.x- Fixes: 3448914e8cc5 ("loop: Add LOOP_CONFIGURE ioctl") Signed-off-by: Kristian Klausen Link: https://lore.kernel.org/r/20210618115157.31452-1-kristian@klausen.dk Signed-off-by: Jens Axboe drivers/block/loop.c | 1 + 1 file changed, 1 insertion(+) accumulated error probability: 0.00 parent commit e0d245e2230998e66dfda10fb8c413f29196eb1c wasn't tested testing commit e0d245e2230998e66dfda10fb8c413f29196eb1c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1bebd187eaab7f57116f37d662def2e7b79f95a06ba358d13e9becf23a14a47c culprit signature: 35860de6b5fc72dc90c7b473b3b068ff71d66fc713bf026126a2a0aad7b6f991 parent signature: 1bebd187eaab7f57116f37d662def2e7b79f95a06ba358d13e9becf23a14a47c revisions tested: 32, total time: 9h32m39.631871857s (build: 3h57m50.824812424s, test: 5h14m22.974709635s) first bad commit: 2b9ac22b12a266eb4fec246a07b504dd4983b16b loop: Fix missing discard support when using LOOP_CONFIGURE recipients (to): ["axboe@kernel.dk" "kristian@klausen.dk"] recipients (cc): [] crash: INFO: task hung in nilfs_segctor_thread INFO: task segctord:5994 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:segctord state:D stack:14744 pid: 5994 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4339 [inline] __schedule+0x323/0x8f0 kernel/sched/core.c:5147 schedule+0x41/0xa0 kernel/sched/core.c:5226 rwsem_down_write_slowpath+0x247/0x630 kernel/locking/rwsem.c:1106 nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2479 [inline] nilfs_segctor_thread+0x139/0x680 fs/nilfs2/segment.c:2563 kthread+0x14b/0x170 kernel/kthread.c:313 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:294 Showing all locks held in the system: 1 lock held by khungtaskd/460: #0: ffffffff845a1880 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2 kernel/locking/lockdep.c:6334 1 lock held by klogd/2823: #0: ffff88813bd2c5d8 (&rq->lock){....}-{2:2}, at: rq_lock kernel/sched/sched.h:1334 [inline] #0: ffff88813bd2c5d8 (&rq->lock){....}-{2:2}, at: __schedule+0xc4/0x8f0 kernel/sched/core.c:5061 2 locks held by getty/3026: #0: ffff888142394898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x60 drivers/tty/tty_ldisc.c:267 #1: ffffc900056cf2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x7e4/0x960 drivers/tty/n_tty.c:2179 2 locks held by syz.2.17/5992: 1 lock held by segctord/5994: #0: ffff88811570aaa0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 2 locks held by syz.3.18/6495: 1 lock held by segctord/6497: #0: ffff8881192802a0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 2 locks held by syz.4.19/6878: 1 lock held by segctord/6880: #0: ffff888117f6a2a0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 2 locks held by syz.5.20/7255: 1 lock held by segctord/7257: #0: ffff888118d5d2a0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 2 locks held by syz.6.21/7637: 1 lock held by segctord/7639: #0: ffff8881155a02a0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 2 locks held by syz.7.22/8017: 1 lock held by segctord/8019: #0: ffff888119765aa0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 2 locks held by syz.8.23/8398: 1 lock held by segctord/8400: #0: ffff8881437862a0 (&nilfs->ns_segctor_sem){....}-{3:3}, at: nilfs_transaction_lock+0xd1/0x270 fs/nilfs2/segment.c:357 3 locks held by udevd/8763: #0: ffff888105b75ce0 (&bdev->bd_mutex){....}-{3:3}, at: blkdev_get_by_dev fs/block_dev.c:1450 [inline] #0: ffff888105b75ce0 (&bdev->bd_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x16f/0x320 fs/block_dev.c:1423 #1: ffffffff84687028 (loop_ctl_mutex){....}-{3:3}, at: lo_open+0x1a/0xc0 drivers/block/loop.c:1891 #2: ffff888106bd1be0 (&lo->lo_mutex){....}-{3:3}, at: lo_open drivers/block/loop.c:1899 [inline] #2: ffff888106bd1be0 (&lo->lo_mutex){....}-{3:3}, at: lo_open+0x59/0xc0 drivers/block/loop.c:1881 1 lock held by syz.9.24/8777: #0: ffff888106bd1be0 (&lo->lo_mutex){....}-{3:3}, at: loop_configure+0x9b/0x860 drivers/block/loop.c:1096 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 460 Comm: khungtaskd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0xdd/0x14c lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x44/0x88 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x13b/0x140 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline] watchdog+0x7fb/0x810 kernel/hung_task.c:294 kthread+0x14b/0x170 kernel/kthread.c:313 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:294 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5992 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:trace_lock_acquire include/trace/events/lock.h:13 [inline] RIP: 0010:lock_acquire+0x107/0x130 kernel/locking/lockdep.c:5483 Code: 63 03 48 85 c0 74 1e 48 8b 78 08 ff 74 24 38 41 51 45 89 c1 41 89 c8 89 d1 89 f2 48 89 ee e8 60 e1 ff ff 59 5e e9 17 ff ff ff <48> 8b 05 c2 aa 63 03 e9 22 ff ff ff e8 88 fe 11 02 eb 96 65 c7 05 RSP: 0018:ffffc90000d93980 EFLAGS: 00000047 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff89443208 RBP: ffffffff89443208 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff81121f8d R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f92b51ec6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b36e73000 CR3: 000000010b53a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x26/0x40 kernel/locking/spinlock.c:159 __debug_check_no_obj_freed lib/debugobjects.c:975 [inline] debug_check_no_obj_freed+0xab/0x220 lib/debugobjects.c:1018 slab_free_hook mm/slub.c:1557 [inline] slab_free_freelist_hook+0x100/0x1b0 mm/slub.c:1607 slab_free mm/slub.c:3167 [inline] kmem_cache_free+0x84/0x4a0 mm/slub.c:3183 mempool_free+0x48/0xd0 mm/mempool.c:500 bio_free+0x46/0x70 block/bio.c:234 bio_put block/bio.c:605 [inline] __bio_chain_endio block/bio.c:282 [inline] bio_endio+0x135/0x250 block/bio.c:1401 submit_bio_checks+0x31d/0x710 block/blk-core.c:909 submit_bio_noacct+0x32/0x660 block/blk-core.c:1032 submit_bio+0x121/0x220 block/blk-core.c:1109 blk_next_bio block/blk-lib.c:19 [inline] __blkdev_issue_discard+0x1db/0x3a0 block/blk-lib.c:97 blkdev_issue_discard+0x59/0xe0 block/blk-lib.c:139 nilfs_sufile_trim_fs+0x3ea/0x710 fs/nilfs2/sufile.c:1134 nilfs_ioctl_trim_fs fs/nilfs2/ioctl.c:1071 [inline] nilfs_ioctl+0x4de/0xb90 fs/nilfs2/ioctl.c:1305 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl fs/ioctl.c:1055 [inline] __x64_sys_ioctl+0xff/0x140 fs/ioctl.c:1055 do_syscall_64+0x41/0x80 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f92b537c749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f92b51ec038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f92b55d2fa0 RCX: 00007f92b537c749 RDX: 00002000000004c0 RSI: 00000000c0185879 RDI: 0000000000000005 RBP: 00007f92b5400f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f92b55d3038 R14: 00007f92b55d2fa0 R15: 00007fffd53dd728