ci starts bisection 2025-09-28 08:44:43.275071902 +0000 UTC m=+124149.329299758
bisecting cause commit starting from 347e9f5043c89695b01e66b3ed111755afcf1911
building syzkaller on 03fcfc4b7385b545a89a3fc62bef4e1ec7532e0d
ensuring issue is reproducible on original commit 347e9f5043c89695b01e66b3ed111755afcf1911

testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e1d9398bdf409fca514197be484109b244407c10df69ff055cc103ddf482a5f9
run #0: crashed: INFO: task hung in blk_trace_setup
run #1: crashed: INFO: task hung in blk_trace_setup
run #2: crashed: INFO: task hung in blk_trace_setup
run #3: crashed: INFO: task hung in blk_trace_setup
run #4: crashed: INFO: task hung in blk_trace_setup
run #5: crashed: INFO: task hung in blk_trace_setup
run #6: crashed: INFO: task hung in blk_trace_setup
run #7: crashed: INFO: task hung in blk_trace_setup
run #8: crashed: INFO: task hung in blk_trace_setup
run #9: crashed: INFO: task hung in blk_trace_setup
run #10: crashed: INFO: task hung in blk_trace_setup
run #11: crashed: INFO: task hung in blk_trace_setup
run #12: crashed: INFO: task hung in blk_trace_setup
run #13: crashed: INFO: task hung in blk_trace_setup
run #14: crashed: INFO: task hung in blk_trace_setup
run #15: crashed: INFO: task hung in blk_trace_setup
run #16: crashed: INFO: task hung in blk_trace_setup
run #17: crashed: INFO: task hung in blk_trace_setup
run #18: crashed: INFO: task hung in blk_trace_setup
run #19: crashed: lost connection to test machine
representative crash: INFO: task hung in blk_trace_setup, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1fe99708f49cd1b4deb56d9f05e6ea2bd8d0c8e68cb7babd1bafae77f5ebdf43
all runs: OK
false negative chance: 0.000
kconfig minimization: base=4099 full=8481 leaves diff=2185
split chunks (needed=false): <2185>
split chunk #0 of len 2185 into 5 parts
testing without sub-chunk 1/5
testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: cc11beea464a87ed8ff4b8d6ec122d8d6474ee1de184c44867edffa8b265b4a3
run #0: crashed: INFO: task hung in blk_trace_setup
run #1: crashed: INFO: task hung in blk_trace_setup
run #2: crashed: INFO: task hung in blk_trace_setup
run #3: crashed: INFO: task hung in blk_trace_setup
run #4: crashed: INFO: task hung in blk_trace_setup
run #5: crashed: INFO: task hung in blk_trace_setup
run #6: crashed: INFO: task hung in blk_trace_setup
run #7: crashed: INFO: task hung in blk_trace_setup
run #8: crashed: INFO: task hung in blk_trace_setup
run #9: OK
representative crash: INFO: task hung in blk_trace_setup, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e7899d57653f69fe9601e52dfa82e7fdc8b5fc1bee0b6daecf90a0e4e13ce0d5
run #0: crashed: INFO: task hung in blk_trace_setup
run #1: crashed: INFO: task hung in blk_trace_setup
run #2: crashed: INFO: task hung in blk_trace_setup
run #3: crashed: INFO: task hung in blk_trace_setup
run #4: crashed: INFO: task hung in blk_trace_setup
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in blk_trace_setup, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6704c468f002f867300dcc9572a6c2a35fe90b5b696b1cccfa092e3b6cf9bc28
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 9226a7a1b952bbc710565a157e5261e232cbe953e065e0f828ceb4c8ec228b79
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
testing commit 347e9f5043c89695b01e66b3ed111755afcf1911 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 35a0e9d0e63f82b4a5d675527811c62cca898aa97ea73582ce9aea403eec9cd5
all runs: OK
false negative chance: 0.000
minimized to 1311 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BRIDGE BRIDGE_NETFILTER BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CAN CARDBUS CFG80211 CFG80211_WEXT CHECKPOINT_RESTORE CMA COMMON_CLK CONTIG_ALLOC DAX DLM 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 HID_ZEROPLUS HSR I2C_MUX 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 IOMMUFD IP6_NF_RAW IPV6_MULTIPLE_TABLES IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_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 IRQ_REMAP 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_GENERIC_PRIVATE_MEM KVM_HYPERV KVM_INTEL KVM_MMIO KVM_MMU_LOCKLESS_AGING KVM_PRIVATE_MEM KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_X86 KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_CLASS_MULTICOLOR LEGACY_PTYS LIBNVDIMM LINEAR_RANGES LLC LLC2 LOCALVERSION_AUTO 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_CAMERA_SUPPORT MEDIA_CEC_SUPPORT 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_TEST_SUPPORT 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 MFD_VIPERBOARD MHI_BUS MHI_WWAN_CTRL MHP_DEFAULT_ONLINE_TYPE_ONLINE_AUTO MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MIN_HEAP MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MITIGATION_TSA MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MM_ID 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_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_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_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_COMPAT_ARP 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 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 NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS 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 PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM 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 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USB_MUSB_HDRC USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB 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WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS WWAN X25 X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC]
picked [v6.15 v6.14 v6.13 v6.11 v6.9 v6.7 v6.5 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 38 release tags
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 944bba0b46d400aa6d3a6ab9095e5614788996766f6ac8a8690c41f0a76deace
run #0: crashed: INFO: task hung in blk_trace_setup
run #1: crashed: INFO: task hung in blk_trace_setup
run #2: crashed: INFO: task hung in blk_trace_setup
run #3: crashed: INFO: task hung in blk_trace_setup
run #4: crashed: INFO: task hung in blk_trace_setup
run #5: crashed: INFO: task hung in blk_trace_setup
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in blk_trace_setup, 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: d69fa7ed91ecf64883eccdd160f292c1016a2662a12b5c4f15779e6c77253c47
run #0: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #1: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #2: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #3: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #4: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #5: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
run #6: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
run #7: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
run #8: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
run #9: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
representative crash: UBSAN: signed-integer-overflow in __ip_select_ident, types: [UBSAN]
testing release v6.13
testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 829aefb73ec3749993dff32b15918336180c6a06fb013eb2f36ccc226ce1a89a
all runs: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing release v6.11
testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 84ed4881f05fc1462f6a787abf2d5cc1ee01fc18a866adba8a9082e780242562
run #0: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #1: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #2: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #3: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #4: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #5: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #6: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #7: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #8: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #9: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
representative crash: UBSAN: signed-integer-overflow in __ip_select_ident, types: [UBSAN]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 1
testing release v6.9
testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 46b07ebd059d3f4a1b6a0174d57e17cb83d8b7415ecf91e1ac95631776a4817d
run #0: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #1: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #2: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #3: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #4: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #5: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #6: basic kernel testing failed: UBSAN: signed-integer-overflow in __ip_select_ident
run #7: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
run #8: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
run #9: crashed: UBSAN: signed-integer-overflow in __ip_select_ident
representative crash: UBSAN: signed-integer-overflow in __ip_select_ident, types: [UBSAN]
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 3
testing release v6.7
testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 0dd3ee31125508cd67f7e7172247f05b7fd1753a: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
drivers/nvme/target/fc.c:150:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
testing release v6.5
testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 2dde18cd1d8fac735875f2e4987f11817cc0bc2c: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
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
failed building 457391b0380335d5e9a5babdec90ac53928b23b4: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
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
kernel signature: d32276d66ad0af6b98a1930f13a13e7bb08c2e455f9467c9c9f6a5c73cf3349e
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
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
kernel signature: f59c3ad91f6012deabd69568f66e3b5acee6ca849a9c2a0bb078639e0964feff
all runs: OK
false negative chance: 0.001
# git bisect start 4fe89d07dcc2804c8b562f6c7896a45643d34b2f f443e374ae131c168a065ea1748feac6b2e76613
Bisecting: 24239 revisions left to test after this (roughly 15 steps)
[ae862183285cbb2ef9032770d98ffa9becffe9d5] Merge tag 'arm-dt-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

testing commit ae862183285cbb2ef9032770d98ffa9becffe9d5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d02e49eeabc3b598c1cd50e21866dada0802f287db8e7ffb9ccd4b4ec1b38f26
all runs: OK
false negative chance: 0.001
# git bisect good ae862183285cbb2ef9032770d98ffa9becffe9d5
Bisecting: 11297 revisions left to test after this (roughly 14 steps)
[f86d1fbbe7858884d6754534a0afbb74fc30bc26] Merge tag 'net-next-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

testing commit f86d1fbbe7858884d6754534a0afbb74fc30bc26 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 04bec44a9998cee44d312fc648ee98b329f8f73fed9c59c3b485fb0308a18f9f
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
# git bisect bad f86d1fbbe7858884d6754534a0afbb74fc30bc26
Bisecting: 6473 revisions left to test after this (roughly 13 steps)
[d516e221e2fb88cd31c7ea29d743045efc4e69dd] Merge tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-block

testing commit d516e221e2fb88cd31c7ea29d743045efc4e69dd gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7855e01877ed2edce8fa4fbd214086b4126dc63cd4e9b7ec9ef4aec3e99bc5eb
all runs: OK
false negative chance: 0.001
# git bisect good d516e221e2fb88cd31c7ea29d743045efc4e69dd
Bisecting: 3263 revisions left to test after this (roughly 12 steps)
[7c6327c77d509e78bff76f2a4551fcfee851682e] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit 7c6327c77d509e78bff76f2a4551fcfee851682e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 9efe05d0ca7eb0c9fcd3c80061f628419bd246e6552affcfe78c2cc37ddbc829
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
# git bisect bad 7c6327c77d509e78bff76f2a4551fcfee851682e
Bisecting: 1463 revisions left to test after this (roughly 11 steps)
[816cd1688331e0ffa1927889c15e7ed56650a183] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit 816cd1688331e0ffa1927889c15e7ed56650a183 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: a1c4b13899d44f4731f47a5aad4ae03a7bf1463290a52972d531f9eb9a4f8c1f
all runs: OK
false negative chance: 0.001
# git bisect good 816cd1688331e0ffa1927889c15e7ed56650a183
Bisecting: 774 revisions left to test after this (roughly 10 steps)
[5030a9a03f0107f645772450bcba521b2ec19a51] dt-bindings: net: fsl,fec: Add nvmem-cells / nvmem-cell-names properties

testing commit 5030a9a03f0107f645772450bcba521b2ec19a51 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: abacaf87c397d5e1bb4b17cddba3d76b5555ca444544dbb8eb41cc4aec0c5505
all runs: OK
false negative chance: 0.001
# git bisect good 5030a9a03f0107f645772450bcba521b2ec19a51
Bisecting: 439 revisions left to test after this (roughly 9 steps)
[069448b2fd0a40b5252915dc10ae561c4b5c8c5a] net/mlx5e: Move mlx5e_init_l2_addr to en_main

testing commit 069448b2fd0a40b5252915dc10ae561c4b5c8c5a gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 535a5f7981b86379f96ea894193834ba630be1690c8d91f9decff49ee53afdb7
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: ignore: lost connection to test machine
false negative chance: 0.002
# git bisect good 069448b2fd0a40b5252915dc10ae561c4b5c8c5a
Bisecting: 219 revisions left to test after this (roughly 8 steps)
[910746444313dc463396cd63024cdf54ef04ef39] net: dsa: qca8k: move qca8k bulk read/write helper to common code

testing commit 910746444313dc463396cd63024cdf54ef04ef39 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0841815b43e9bc22bec167a08764c7c6e6547463d18409285b7fdf56ea9fad84
all runs: OK
false negative chance: 0.001
# git bisect good 910746444313dc463396cd63024cdf54ef04ef39
Bisecting: 107 revisions left to test after this (roughly 7 steps)
[84a8d931ab213250932959c4f929a7e7e670b8a7] Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

testing commit 84a8d931ab213250932959c4f929a7e7e670b8a7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 80d9900ef0831154a49215430c93337d0d0300960e0476903bfd2c1b001e55e3
all runs: OK
false negative chance: 0.001
# git bisect good 84a8d931ab213250932959c4f929a7e7e670b8a7
Bisecting: 53 revisions left to test after this (roughly 6 steps)
[ad3564ccc3670843c913b01ada77c167233bd5b5] dt-bindings: net: fsl,fec: Add i.MX8ULP FEC items

testing commit ad3564ccc3670843c913b01ada77c167233bd5b5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c8a3c9b059f76ffed2f4131bbf37c0fca6f85213aaba8d2d763d55b761bc4921
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
# git bisect bad ad3564ccc3670843c913b01ada77c167233bd5b5
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[6a37a28b1864c447a20a1609f90f3e2dfaff0705] can: v(x)can: add software tx timestamps

testing commit 6a37a28b1864c447a20a1609f90f3e2dfaff0705 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e309910cde6efb5b3b0cb15e448fdac6f9c228249454cbeeea5a64b2478ce61d
all runs: OK
false negative chance: 0.001
# git bisect good 6a37a28b1864c447a20a1609f90f3e2dfaff0705
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[7b584fbb36362340a2d9cfe459e447619eecebea] can: can327: fix a broken link to Documentation

testing commit 7b584fbb36362340a2d9cfe459e447619eecebea gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 5f06e0c67e4f243f3efa40eb92040ea42a29925dedcbb52b0326b1f03d43cd0d
all runs: OK
false negative chance: 0.001
# git bisect good 7b584fbb36362340a2d9cfe459e447619eecebea
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[09b278462f16569c63dd78ffa29bbfe048b4e604] net: devlink: enable parallel ops on netlink interface

testing commit 09b278462f16569c63dd78ffa29bbfe048b4e604 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 63f401f96ccd402c856c26392f31c0cf5ffcbecd138555e6e08cf43654b2a0a7
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
# git bisect bad 09b278462f16569c63dd78ffa29bbfe048b4e604
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[02a7cb2866dd6e3ac7645b594289e1c308b68c4e] udp: Remove redundant __udp_sysctl_init() call from udp_init().

testing commit 02a7cb2866dd6e3ac7645b594289e1c308b68c4e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e0647e8dc7317f7cb9dd06f4ca65fcad0110addb4db550885656388e1095cf60
all runs: OK
false negative chance: 0.001
# git bisect good 02a7cb2866dd6e3ac7645b594289e1c308b68c4e
Bisecting: 1 revision left to test after this (roughly 1 step)
[644a66c60f02f302d82c3008ae2ffe67cf495383] net: devlink: convert reload command to take implicit devlink->lock

testing commit 644a66c60f02f302d82c3008ae2ffe67cf495383 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1de4091ac4d30ef0ae6095612a492e520ac2d7f27471bb4353f5c36512ad71c3
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
# git bisect bad 644a66c60f02f302d82c3008ae2ffe67cf495383
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[c2368b19807affd7621f7c4638cd2e17fec13021] net: devlink: introduce "unregistering" mark and use it during devlinks iteration

testing commit c2368b19807affd7621f7c4638cd2e17fec13021 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e76661b538fa5f544d2fa6e7da0f2e3e0416c675b82c9e5bb62d95750c89cfd9
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
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: rcu detected stall in corrupted, types: [HANG]
# git bisect bad c2368b19807affd7621f7c4638cd2e17fec13021
c2368b19807affd7621f7c4638cd2e17fec13021 is the first bad commit
commit c2368b19807affd7621f7c4638cd2e17fec13021
Author: Jiri Pirko <jiri@nvidia.com>
Date:   Fri Jul 29 09:10:35 2022 +0200

    net: devlink: introduce "unregistering" mark and use it during devlinks iteration
    
    Add new mark called "unregistering" to be set at the beginning of
    devlink_unregister() function. Check this mark during devlinks
    iteration in order to prevent getting a reference of devlink which is
    being currently unregistered.
    
    Signed-off-by: Jiri Pirko <jiri@nvidia.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/core/devlink.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

accumulated error probability: 0.01
culprit signature: e76661b538fa5f544d2fa6e7da0f2e3e0416c675b82c9e5bb62d95750c89cfd9
parent  signature: e0647e8dc7317f7cb9dd06f4ca65fcad0110addb4db550885656388e1095cf60
reproducer is flaky (0.45 repro chance estimate)
revisions tested: 30, total time: 11h26m38.209340008s (build: 6h56m40.463626422s, test: 4h6m2.688943053s)
first bad commit: c2368b19807affd7621f7c4638cd2e17fec13021 net: devlink: introduce "unregistering" mark and use it during devlinks iteration
recipients (to): ["davem@davemloft.net" "davem@davemloft.net" "jiri@nvidia.com" "jiri@nvidia.com" "kuba@kernel.org" "netdev@vger.kernel.org" "pabeni@redhat.com"]
recipients (cc): ["linux-kernel@vger.kernel.org"]
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P3777 } 2667 jiffies s: 7301 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):