ci starts bisection 2023-11-19 17:09:44.387289606 +0000 UTC m=+516747.362455428
bisecting fixing commit since ae230642190a51b85656d6da2df744d534d59544
building syzkaller on 80298b6ff976aafe8f55904f88dabecb4c39d037
ensuring issue is reproducible on original commit ae230642190a51b85656d6da2df744d534d59544

testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a5ebe9c2897704da0a37ccb4ce2c94be1ab5c68b6d3e66d2f699b21607c55788
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in __lru_add_drain_all
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in __lru_add_drain_all
run #9: crashed: INFO: task hung in __lru_add_drain_all
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in __lru_add_drain_all
run #13: crashed: INFO: task hung in synchronize_rcu
run #14: OK
run #15: crashed: INFO: task hung in synchronize_rcu
run #16: crashed: INFO: task hung in synchronize_rcu
run #17: crashed: INFO: task hung in synchronize_rcu
run #18: crashed: INFO: task hung in synchronize_rcu
run #19: crashed: INFO: task hung in __lru_add_drain_all
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 936c17d3df460ca2c34e29d965a7e26b56a308875f438f156895d3bc6e038629
all runs: OK
false negative chance: 0.000
kconfig minimization: base=3923 full=7600 leaves diff=2006
split chunks (needed=false): <2006>
split chunk #0 of len 2006 into 5 parts
testing without sub-chunk 1/5
testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ee10d05d99a8b1946efd8a6eaead8a39106cb692d55c6b52939fde70ca0c0907
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in __lru_add_drain_all
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6836eacffe45f1699ada8719cb1c62a6effcb88e5d50c59a4d252841cfc95836
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 16aa06e314a47a62e456798f07ccd5531a3d67988e638354e5096da5e851f490
run #0: crashed: INFO: task hung in synchronize_rcu
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
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
testing without sub-chunk 4/5
testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bba873046ff5bc64264d97948259e96ea7ef068543b7c2cbe9131e3d78bdaf0c
run #0: crashed: INFO: task hung in synchronize_rcu
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
testing without sub-chunk 5/5
testing commit ae230642190a51b85656d6da2df744d534d59544 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4c5b27296e465a32559c243ffec067d5f4abb4f2ff8064a6d34f1077471a5b66
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in __lru_add_drain_all
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in __lru_add_drain_all
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in __lru_add_drain_all
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in synchronize_rcu
run #13: crashed: INFO: task hung in synchronize_rcu
run #14: crashed: INFO: task hung in __lru_add_drain_all
run #15: crashed: INFO: task hung in synchronize_rcu
run #16: crashed: INFO: task hung in synchronize_rcu
run #17: crashed: INFO: task hung in __lru_add_drain_all
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
the chunk can be dropped
minimized to 804 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BRIDGE BRIDGE_NETFILTER CAN CC_HAS_UBSAN_BOUNDS CFG80211 CHECKPOINT_RESTORE CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB FSCACHE GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HSR IIO IMA IMA_APPRAISE IMA_APPRAISE_MODSIG INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_JOYSTICK INPUT_MOUSE INPUT_TABLET INPUT_TOUCHSCREEN INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_SIGNATURE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SCTP IP_SET IP_VS IP_VS_PROTO_SCTP 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_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE 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_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_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOCALVERSION_AUTO LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LRU_GEN LRU_GEN_ENABLED LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_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_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_RETU MFD_SYSCON MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MICROCODE_AMD MICROCODE_INTEL 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 MMU_NOTIFIER MODULE_SIG_SHA1 MODULE_SRCVERSION_ALL MODVERSIONS MOST 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_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLABEL 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_IPT 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_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_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_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_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_DCCP 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_ARP NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_POOL_STATS PAGE_REPORTING 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 PER_VMA_LOCK_STATS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TARGET_CORE TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UBSAN_ONLY_BOUNDS UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_DWC2 USB_GADGET 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 WWAN X25 X86_X32_ABI ZONE_DEVICE]
testing current HEAD ac40916a3f7243efbe6e129ebf495b5c33a3adfe
testing commit ac40916a3f7243efbe6e129ebf495b5c33a3adfe gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: aab77ee9ca878c83c0b429a32821c4fa559f632f97f44209d030cc39da2a3221
all runs: OK
false negative chance: 0.000
# git bisect start ac40916a3f7243efbe6e129ebf495b5c33a3adfe ae230642190a51b85656d6da2df744d534d59544
Bisecting: 22390 revisions left to test after this (roughly 15 steps)
[c6a906cce61a8015b622707f9c12003f90673399] soc: renesas: Kconfig: For ARCH_R9A07G043 select the required configs if dependencies are met

determine whether the revision contains the guilty commit
revision ae230642190a51b85656d6da2df744d534d59544 crashed and is reachable
testing commit c6a906cce61a8015b622707f9c12003f90673399 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d25c35958f469b9e94e6e4962fa08810980629bdd18ebdb629d5aba3f6fbee60
all runs: OK
false negative chance: 0.000
# git bisect bad c6a906cce61a8015b622707f9c12003f90673399
Bisecting: 11174 revisions left to test after this (roughly 14 steps)
[09c4a16d020f0d8ad9160e6d4db47fb890e2e487] Merge branch 'mptcp-selftests'

determine whether the revision contains the guilty commit
revision ae230642190a51b85656d6da2df744d534d59544 crashed and is reachable
testing commit 09c4a16d020f0d8ad9160e6d4db47fb890e2e487 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b96093225d8f95aa77721ec65501a73e4f0671dd59505aa58bb9b36a0c7580c4
all runs: OK
false negative chance: 0.000
# git bisect bad 09c4a16d020f0d8ad9160e6d4db47fb890e2e487
Bisecting: 5558 revisions left to test after this (roughly 13 steps)
[b775d6c5859affe00527cbe74263de05cfe6b9f9] Merge tag 'mips_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

determine whether the revision contains the guilty commit
revision ae230642190a51b85656d6da2df744d534d59544 crashed and is reachable
testing commit b775d6c5859affe00527cbe74263de05cfe6b9f9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cbce50e551f1c47cb583c6bbf4fa1bd2c0f0dc9f8f5a1da7451f13f6ac4ce760
all runs: basic kernel testing failed: UBSAN: array-index-out-of-bounds in alloc_pid
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip b775d6c5859affe00527cbe74263de05cfe6b9f9
Bisecting: 5558 revisions left to test after this (roughly 13 steps)
[c571fbb5b59a3741e48014faa92c2f14bc59fe50] f2fs: add helper to check compression level

determine whether the revision contains the guilty commit
checking the merge base ac9a78681b921877518763ba0e89202254349d1b
no existing result, test the revision
testing commit ac9a78681b921877518763ba0e89202254349d1b gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8b844f97a403d49636d6db0cef8a66437137bbce01aebfbd6edeb40d930ce66f
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in __lru_add_drain_all
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: crashed: INFO: task hung in corrupted
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
testing commit c571fbb5b59a3741e48014faa92c2f14bc59fe50 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 36384a9ba67a794e87581ba462bd1e03c1ad87c79ad5cc60b23c61a881069da3
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in __lru_add_drain_all
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in __lru_add_drain_all
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in __lru_add_drain_all
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
# git bisect good c571fbb5b59a3741e48014faa92c2f14bc59fe50
Bisecting: 5587 revisions left to test after this (roughly 13 steps)
[18f38fedfa71b5b7e954fc8f1e31bda75d8f1d7c] Merge tag 'devicetree-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 18f38fedfa71b5b7e954fc8f1e31bda75d8f1d7c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2486f0da3b20b159b8b1bb885bb39d61aa7a30b604ce84cf392b0a14c92a7bf7
all runs: basic kernel testing failed: UBSAN: array-index-out-of-bounds in alloc_pid
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 18f38fedfa71b5b7e954fc8f1e31bda75d8f1d7c
Bisecting: 5587 revisions left to test after this (roughly 13 steps)
[b2c28785b125acb28a681462510297410cbbabd7] ASoC: dt-bindings: microchip,sama7g5-pdmc: Simplify "microchip,mic-pos" constraints

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit b2c28785b125acb28a681462510297410cbbabd7 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1180b207534dc6ca5a0c66a3bb7d95c8d474fe369db512c15f59c780b51b621e
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in __lru_add_drain_all
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
# git bisect good b2c28785b125acb28a681462510297410cbbabd7
Bisecting: 5527 revisions left to test after this (roughly 12 steps)
[473341469042b39535ee800a19c45110ebc46346] KVM: arm64: Save ID registers' sanitized value per guest

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 473341469042b39535ee800a19c45110ebc46346 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c4b8a2518ab5010647a897fa35e28f6ddb1361dc8ef7853b05a167eadb87be60
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
# git bisect good 473341469042b39535ee800a19c45110ebc46346
Bisecting: 5521 revisions left to test after this (roughly 12 steps)
[4c7bfbcf7516b0804ba0204e865f885baca604e4] ALSA: emu10k1: simplify snd_emu10k1_audigy_dsp_convert_32_to_2x16()

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 4c7bfbcf7516b0804ba0204e865f885baca604e4 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f0c0a4d4e7277a1ef412a47fc076a79fa44565841a6d32a6e964a7e5c2fa3507
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in __lru_add_drain_all
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in __lru_add_drain_all
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: crashed: INFO: task hung in corrupted
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good 4c7bfbcf7516b0804ba0204e865f885baca604e4
Bisecting: 5521 revisions left to test after this (roughly 12 steps)
[98be618ad03010b1173fc3c35f6cbb4447ee2b07] Merge tag 'Smack-for-6.5' of https://github.com/cschaufler/smack-next

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 98be618ad03010b1173fc3c35f6cbb4447ee2b07 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a2b858d34ead78b6305708f38f2e0f1012a3bdce44eaf918b9c7d818c4217436
all runs: OK
false negative chance: 0.000
# git bisect bad 98be618ad03010b1173fc3c35f6cbb4447ee2b07
Bisecting: 851 revisions left to test after this (roughly 10 steps)
[cd336f6562d3d7646a9cf071b902db200a1dd77b] Merge tag 'timers-core-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit cd336f6562d3d7646a9cf071b902db200a1dd77b gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bcf54aade1edf8835e6719c3c672f2b6e868a25c9a817ab61815de9138de9f34
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good cd336f6562d3d7646a9cf071b902db200a1dd77b
Bisecting: 432 revisions left to test after this (roughly 9 steps)
[af96134dc8562f9fcbb8358af36f6086619a29ab] Merge tag 'rcu.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

determine whether the revision contains the guilty commit
revision cd336f6562d3d7646a9cf071b902db200a1dd77b crashed and is reachable
testing commit af96134dc8562f9fcbb8358af36f6086619a29ab gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 60aeaaa7e18f470da58d721aa7ff98b274812a066278dfd595ef142e1227138c
all runs: OK
false negative chance: 0.000
# git bisect bad af96134dc8562f9fcbb8358af36f6086619a29ab
Bisecting: 163 revisions left to test after this (roughly 8 steps)
[2605e80d3438c77190f55b821c6575048c68268e] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 2605e80d3438c77190f55b821c6575048c68268e gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5d360cbbf38efe3ecedc9102012b79be6508700f94b0ff2b467aa58c6e09d8ec
run #0: crashed: INFO: task hung in synchronize_rcu
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good 2605e80d3438c77190f55b821c6575048c68268e
Bisecting: 81 revisions left to test after this (roughly 6 steps)
[40e8e98f512fc76891ae2328a63e2e4ffdbe3010] Merge tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

determine whether the revision contains the guilty commit
revision 2605e80d3438c77190f55b821c6575048c68268e crashed and is reachable
testing commit 40e8e98f512fc76891ae2328a63e2e4ffdbe3010 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0b74e6ecdb8a6d0825b17edb6cafa50f66701acf448dae14d68529fb2ed87ac0
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good 40e8e98f512fc76891ae2328a63e2e4ffdbe3010
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[a8460ba59464c038c817844f67a74fe847b56613] Merge tag 'thermal-v6.5-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux into thermal

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit a8460ba59464c038c817844f67a74fe847b56613 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 74f0f779e0be52b4ee709b2d783b56a7a523d8bb01f7933ff3fc172de91b10fe
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in synchronize_rcu
run #2: crashed: INFO: task hung in __lru_add_drain_all
run #3: crashed: INFO: task hung in __lru_add_drain_all
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in __lru_add_drain_all
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good a8460ba59464c038c817844f67a74fe847b56613
Bisecting: 7 revisions left to test after this (roughly 4 steps)
[2e31da752c6d0e892f2a9232e18da816d04ee691] Merge branches 'doc.2023.05.10a', 'fixes.2023.05.11a', 'kvfree.2023.05.10a', 'nocb.2023.05.11a', 'rcu-tasks.2023.05.10a', 'torture.2023.05.15a' and 'rcu-urgent.2023.06.06a' into HEAD

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 2e31da752c6d0e892f2a9232e18da816d04ee691 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
failed building 2e31da752c6d0e892f2a9232e18da816d04ee691: drivers/infiniband/sw/rxe/rxe_verbs.c:1359:21: error: macro "kfree_rcu" requires 2 arguments, but only 1 given
drivers/infiniband/sw/rxe/rxe_verbs.c:1359:9: error: 'kfree_rcu' undeclared (first use in this function); did you mean 'kfree_skb'?
# git bisect skip 2e31da752c6d0e892f2a9232e18da816d04ee691
Bisecting: 7 revisions left to test after this (roughly 4 steps)
[f5bb4e381290883a014a9e865ee2c430447ef953] platform/chrome: Switch i2c drivers back to use .probe()

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit f5bb4e381290883a014a9e865ee2c430447ef953 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b371f8c81757be6afbf8d91b2d39072d4aed6597c51dbeb82af9de36a2c89ce4
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in __lru_add_drain_all
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in __lru_add_drain_all
run #10: crashed: INFO: task hung in __lru_add_drain_all
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good f5bb4e381290883a014a9e865ee2c430447ef953
Bisecting: 28 revisions left to test after this (roughly 4 steps)
[401b0de3ae4fa49d1014c8941e26d9a25f37e7cf] rcu-tasks: Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 401b0de3ae4fa49d1014c8941e26d9a25f37e7cf gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 30f835062b416aed04c7920f1d8fdf4a72bd3973bdc5227ba6da23d20ad0645d
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in __lru_add_drain_all
run #3: crashed: INFO: task hung in __lru_add_drain_all
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in __lru_add_drain_all
run #6: crashed: INFO: task hung in __lru_add_drain_all
run #7: crashed: INFO: task hung in __lru_add_drain_all
run #8: crashed: INFO: task hung in __lru_add_drain_all
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in synchronize_rcu
run #13: crashed: INFO: task hung in synchronize_rcu
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good 401b0de3ae4fa49d1014c8941e26d9a25f37e7cf
Bisecting: 20 revisions left to test after this (roughly 4 steps)
[6b706e5603c44ff0b6f43c2e26e0d590e1d265f8] rcu/kvfree: Make drain_page_cache() take early return if cache is disabled

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 6b706e5603c44ff0b6f43c2e26e0d590e1d265f8 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
failed building 6b706e5603c44ff0b6f43c2e26e0d590e1d265f8: drivers/infiniband/sw/rxe/rxe_verbs.c:1359:21: error: macro "kfree_rcu" requires 2 arguments, but only 1 given
drivers/infiniband/sw/rxe/rxe_verbs.c:1359:9: error: 'kfree_rcu' undeclared (first use in this function); did you mean 'kfree_skb'?
# git bisect skip 6b706e5603c44ff0b6f43c2e26e0d590e1d265f8
Bisecting: 20 revisions left to test after this (roughly 4 steps)
[5c83cedbaaad6dfe290e50658a204556ac5ac683] rcu/nocb: Protect lazy shrinker against concurrent (de-)offloading

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 5c83cedbaaad6dfe290e50658a204556ac5ac683 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 83e6d4d039c6e45da8a3a1a2b9474760e53216fe3c7dd00ce64bd4e9a8e98ee4
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in synchronize_rcu
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in __lru_add_drain_all
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in synchronize_rcu
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in synchronize_rcu
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in synchronize_rcu
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
# git bisect good 5c83cedbaaad6dfe290e50658a204556ac5ac683
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[1e237994d9c9a5ae47ae13030585a413a29469e6] rcu/kvfree: Invoke debug_rcu_bhead_unqueue() after checking bnode->gp_snap

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 1e237994d9c9a5ae47ae13030585a413a29469e6 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
failed building 1e237994d9c9a5ae47ae13030585a413a29469e6: drivers/infiniband/sw/rxe/rxe_verbs.c:1359:21: error: macro "kfree_rcu" requires 2 arguments, but only 1 given
drivers/infiniband/sw/rxe/rxe_verbs.c:1359:9: error: 'kfree_rcu' undeclared (first use in this function); did you mean 'kfree_skb'?
# git bisect skip 1e237994d9c9a5ae47ae13030585a413a29469e6
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[5fc8cbe4cf0fd34ded8045c385790c3bf04f6785] rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 5fc8cbe4cf0fd34ded8045c385790c3bf04f6785 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a60d0cea8c30170bfb9ac895df356043daf8454183158f3f75efbb4b757428d2
run #0: crashed: INFO: task hung in synchronize_rcu
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in synchronize_rcu
run #3: crashed: INFO: task hung in __lru_add_drain_all
run #4: crashed: INFO: task hung in synchronize_rcu
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in synchronize_rcu
run #7: crashed: INFO: task hung in __lru_add_drain_all
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in __lru_add_drain_all
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in synchronize_rcu
run #13: crashed: INFO: task hung in synchronize_rcu
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in synchronize_rcu, types: [HANG]
# git bisect good 5fc8cbe4cf0fd34ded8045c385790c3bf04f6785
Bisecting: 18 revisions left to test after this (roughly 4 steps)
[9e5d61c013a2c8b18f1205b6cd488a24ebce2d39] doc/rcutorture: Add description of rcutorture.stall_cpu_block

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
testing commit 9e5d61c013a2c8b18f1205b6cd488a24ebce2d39 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dfb825a03699eee42a9dc9260d963d0457b3f83bca10410f6f73fda593dea8e6
run #0: crashed: INFO: task hung in __lru_add_drain_all
run #1: crashed: INFO: task hung in __lru_add_drain_all
run #2: crashed: INFO: task hung in __lru_add_drain_all
run #3: crashed: INFO: task hung in __lru_add_drain_all
run #4: crashed: INFO: task hung in __lru_add_drain_all
run #5: crashed: INFO: task hung in synchronize_rcu
run #6: crashed: INFO: task hung in __lru_add_drain_all
run #7: crashed: INFO: task hung in __lru_add_drain_all
run #8: crashed: INFO: task hung in synchronize_rcu
run #9: crashed: INFO: task hung in corrupted
run #10: crashed: INFO: task hung in synchronize_rcu
run #11: crashed: INFO: task hung in synchronize_rcu
run #12: crashed: INFO: task hung in synchronize_rcu
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in __lru_add_drain_all, types: [HANG]
# git bisect good 9e5d61c013a2c8b18f1205b6cd488a24ebce2d39
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[51823ca651364f68bd3ad33d848c1542fffdd627] doc: Get rcutree module parameters back into alpha order

determine whether the revision contains the guilty commit
revision ac9a78681b921877518763ba0e89202254349d1b crashed and is reachable
reproducer is flaky (0.15 repro chance estimate)
revisions tested: 28, total time: 12h4m57.290301982s (build: 6h27m54.215614986s, test: 5h17m13.317136511s)
error: bisection is taking too long (>12h0m0s), aborting