ci starts bisection 2025-08-15 00:21:38.02614596 +0000 UTC m=+41033.116811602 bisecting cause commit starting from 8f5ae30d69d7543eee0d70083daf4de8fe15d585 building syzkaller on 32a0e5edfeef60e894c453dc9e9ae45528626ef1 ensuring issue is reproducible on original commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 009025f00eb3b668e2c064742deb4ac89b14b7917f26a72efbf474113191efe2 run #0: crashed: INFO: rcu detected stall in schedule_timeout run #1: crashed: INFO: rcu detected stall in batadv_nc_worker run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in sys_symlink run #4: crashed: INFO: rcu detected stall in addrconf_dad_work run #5: crashed: INFO: rcu detected stall in kthread run #6: crashed: INFO: rcu detected stall in exit_to_user_mode_loop run #7: crashed: INFO: rcu detected stall in security_file_free run #8: crashed: INFO: rcu detected stall in inet6_rtm_newaddr run #9: crashed: INFO: rcu detected stall in schedule_timeout run #10: crashed: INFO: rcu detected stall in prepare_to_swait_event run #11: crashed: INFO: rcu detected stall in schedule_timeout run #12: crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in addrconf_dad_work run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in getpid run #19: crashed: INFO: rcu detected stall in sys_execve representative crash: INFO: rcu detected stall in schedule_timeout, 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 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b310e2f1ec3b86ad12aed58b1e238ba665b330d6e8544a58725fc87c7ba18725 all runs: OK false negative chance: 0.000 kconfig minimization: base=4093 full=8498 leaves diff=2191 split chunks (needed=false): <2191> split chunk #0 of len 2191 into 5 parts testing without sub-chunk 1/5 testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3c52b48a5d69f6740fa7c0966a9598f0fd279a1cb11a03de5b14779b38c5e2ac run #0: crashed: INFO: rcu detected stall in schedule_timeout run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in schedule_timeout run #3: crashed: INFO: rcu detected stall in kthread run #4: crashed: INFO: rcu detected stall in kthread run #5: crashed: INFO: rcu detected stall in sys_sendto run #6: crashed: INFO: rcu detected stall in kernfs_fop_write_iter run #7: crashed: WARNING in rcu_check_gp_start_stall run #8: crashed: INFO: rcu detected stall in kthread run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in schedule_timeout, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90e5ed4d25ffa8bc372abcf6b2007da09e6679be2c7ebde4080d9d43d45ded8d run #0: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in schedule_timeout 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 getpid run #6: crashed: INFO: rcu detected stall in exit_to_user_mode_loop run #7: crashed: INFO: rcu detected stall in watchdog run #8: crashed: INFO: rcu detected stall in watchdog run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in cfg80211_wiphy_work, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e6d94f127720b0eea8cb789e4b0e312c7f0de126d9cca4fd05789c291c085d1 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8d66a9807f4230c1d1d717df66e8bd18e6d59b69c35159da8926467933cb776b run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: OK run #7: OK run #8: OK run #9: OK representative crash: no output from test machine, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f94669f2ff4e95f3f8a89839f12ba0ffe2004f582040d7dbcea16e42c43edeb4 run #0: OK run #1: OK run #2: crashed: no output from test machine run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: no output from test machine, types: [UNKNOWN] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 minimized to 874 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BRIDGE BRIDGE_NETFILTER CAN CARDBUS CFG80211 CFG80211_WEXT CHECKPOINT_RESTORE CMA COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON FB_CORE GPIOLIB HAMRADIO HID_LOGITECH HID_ZEROPLUS HSR I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IOMMUFD IPV6_MULTIPLE_TABLES IP_NF_MATCH_TTL IP_NF_TARGET_ECN IP_NF_TARGET_SYNPROXY IP_ROUTE_CLASSID 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_MSI_LIB 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_IOAPIC 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_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_DIGITAL_TV_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_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 MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK 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_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY 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_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_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_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NOP_USB_XCEIV PARPORT PARTITION_ADVANCED PCCARD PCMCIA PHONET PSAMPLE RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RC_DEVICES RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM 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_MIDI2 USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE 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_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 USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_ASYNC V4L2_FWNODE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_ENABLE_FORK_OWNER_CONTROL VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CAMERA_LENS VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WAN WANT_DEV_COREDUMP WATCH_QUEUE WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS WWAN X25 X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X32_ABI 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 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 [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags testing release v6.16 testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41eabc0b2b1558261a2cfd5ff4efb85223d8f5433480f93f5b24e7053bbe4ac0 run #0: crashed: INFO: task hung in inet_rtm_newaddr run #1: crashed: INFO: task hung in linkwatch_event run #2: crashed: no output from test machine 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 inet_rtm_newaddr, types: [HANG UNKNOWN] testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 733e28f45001ed269bcb9158895032a5eb9ea90b93aa6f007a282862fdbfc937 run #0: crashed: INFO: task hung in addrconf_verify_work run #1: ignore: lost connection to test machine run #2: crashed: INFO: task hung in ret_from_fork 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 addrconf_verify_work, types: [HANG] unable to determine the verdict: 17 good runs (wanted 15), for bad wanted 10 in total, got 19 testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e7d40df070ab5f96bcedd332aba65254accf4470249014a2d64480c79f636138 run #0: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect start 038d61fd642278bab63ee8ef722c50d10ab01e8f 38fec10eb60d687e30c8c6b5420d86e8149f7557 Bisecting: 15940 revisions left to test after this (roughly 14 steps) [f9fa01229339daea915c8f2a3df8d6f6a89f9b84] Merge tag 'drm-misc-next-2025-05-08' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next testing commit f9fa01229339daea915c8f2a3df8d6f6a89f9b84 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b0dd8996522c7c67914606a124d628a1f4903868330c425e5c18c303b81bde61 run #0: ignore: lost connection to test machine run #1: ignore: lost connection to test machine run #2: crashed: INFO: task hung in jbd2_journal_commit_transaction run #3: crashed: INFO: task hung in jbd2_journal_commit_transaction run #4: crashed: INFO: task hung in jbd2_journal_commit_transaction run #5: crashed: INFO: task hung in jbd2_journal_commit_transaction run #6: crashed: no output from test machine run #7: crashed: INFO: task hung in jbd2_journal_commit_transaction run #8: crashed: INFO: task hung in jbd2_journal_commit_transaction run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: INFO: task hung in jbd2_journal_commit_transaction run #16: crashed: INFO: task hung in jbd2_journal_commit_transaction run #17: crashed: no output from test machine run #18: OK run #19: OK representative crash: INFO: task hung in jbd2_journal_commit_transaction, types: [HANG UNKNOWN] # git bisect bad f9fa01229339daea915c8f2a3df8d6f6a89f9b84 Bisecting: 8340 revisions left to test after this (roughly 13 steps) [390513642ee6763c7ada07f0a1470474986e6c1c] io_uring: always do atomic put from iowq testing commit 390513642ee6763c7ada07f0a1470474986e6c1c gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b586d04de9925f2a6aea2affa3e48313b25806946686234300e95342d5dcdc14 run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event run #2: basic kernel testing failed: possible deadlock in lapbeth_device_event run #3: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect good 390513642ee6763c7ada07f0a1470474986e6c1c Bisecting: 4177 revisions left to test after this (roughly 12 steps) [eb0ece16027f8223d5dc9aaf90124f70577bd22a] Merge tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit eb0ece16027f8223d5dc9aaf90124f70577bd22a gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3d7ba6fb08a0f97871c2e27c20be412b02a7c866c6e47b3b21495fb32d9c41e run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event run #2: basic kernel testing failed: possible deadlock in lapbeth_device_event run #3: basic kernel testing failed: possible deadlock in lapbeth_device_event run #4: ignore: lost connection to test machine run #5: ignore: lost connection to test machine run #6: ignore: lost connection to test machine 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 unable to determine the verdict: 13 good runs (wanted 15), for bad wanted 10 in total, got 13 # git bisect skip eb0ece16027f8223d5dc9aaf90124f70577bd22a Bisecting: 4177 revisions left to test after this (roughly 12 steps) [f269e5eac4dbf55d89409257ec794c9c3c51e515] drm/drm_mode_object: fix typo in kerneldoc testing commit f269e5eac4dbf55d89409257ec794c9c3c51e515 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77bcdb1ef163a03351721aca53422dcd621119c7372a699ce65312113284412e run #0: ignore: lost connection to test machine run #1: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect good f269e5eac4dbf55d89409257ec794c9c3c51e515 Bisecting: 4099 revisions left to test after this (roughly 12 steps) [d6b02199cde4b9cb99b311eeab1cdbe23165082c] Merge tag 'mm-nonmm-stable-2025-03-30-18-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit d6b02199cde4b9cb99b311eeab1cdbe23165082c gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b402858752051f8a9ce93d90a49c7bba9aa68abda6c03a54b643cb287d2f6f6a run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event run #2: basic kernel testing failed: possible deadlock in lapbeth_device_event run #3: basic kernel testing failed: possible deadlock in lapbeth_device_event run #4: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect good d6b02199cde4b9cb99b311eeab1cdbe23165082c Bisecting: 2049 revisions left to test after this (roughly 11 steps) [f4fce9ea8473ab8f91c0aa0855b9d51313b8000e] drm/udl: Treat vendor descriptor as u8 testing commit f4fce9ea8473ab8f91c0aa0855b9d51313b8000e gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1719654778b9a509488d507d097973de3bc151cbb26d251f7bc672de40b39120 run #0: crashed: INFO: task hung in jbd2_journal_commit_transaction run #1: crashed: INFO: task hung in jbd2_journal_commit_transaction run #2: crashed: INFO: task hung in jbd2_journal_commit_transaction run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: INFO: task hung in jbd2_journal_commit_transaction run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: crashed: no output from test machine run #18: crashed: no output from test machine run #19: ignore: lost connection to test machine representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad f4fce9ea8473ab8f91c0aa0855b9d51313b8000e Bisecting: 1041 revisions left to test after this (roughly 10 steps) [ddd0172f182e3e869a3a960e433578aeedcb37c9] Merge tag 'tty-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit ddd0172f182e3e869a3a960e433578aeedcb37c9 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa9421fed1fd5d8f125f277d952d507a7f8f15523e646e1a2c39f9fa87cf3423 run #0: crashed: INFO: task hung in jbd2_journal_commit_transaction run #1: crashed: INFO: task hung in jbd2_journal_commit_transaction run #2: crashed: no output from test machine run #3: crashed: INFO: task hung in jbd2_journal_commit_transaction run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: INFO: task hung in corrupted run #8: crashed: no output from test machine run #9: crashed: INFO: task hung in addrconf_verify_work run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: INFO: task hung in jbd2_journal_commit_transaction run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: crashed: no output from test machine run #18: OK run #19: OK representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad ddd0172f182e3e869a3a960e433578aeedcb37c9 Bisecting: 490 revisions left to test after this (roughly 9 steps) [28a1b05678f4e88de90b0987b06e13c454ad9bd6] Merge tag 'i2c-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux testing commit 28a1b05678f4e88de90b0987b06e13c454ad9bd6 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f80e27c3644ed6b8b4a5a0c927c3d79567b7c386da3b2f8f3fa98c9fe4218376 run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event run #2: basic kernel testing failed: possible deadlock in lapbeth_device_event run #3: basic kernel testing failed: possible deadlock in lapbeth_device_event 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 false negative chance: 0.000 # git bisect good 28a1b05678f4e88de90b0987b06e13c454ad9bd6 Bisecting: 242 revisions left to test after this (roughly 8 steps) [8a6b94032e0077ae15b21e7b42a9599bdc18ea22] Merge tag 'uml-for-linux-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux testing commit 8a6b94032e0077ae15b21e7b42a9599bdc18ea22 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ec185e5c13cd5bae027ea52ce22626e202fcee649abd5d109ed72b03b9d6858 run #0: crashed: INFO: task hung in jbd2_journal_commit_transaction run #1: crashed: INFO: task hung in jbd2_journal_commit_transaction run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: INFO: task hung in jbd2_journal_commit_transaction run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: OK run #17: OK run #18: OK run #19: OK representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad 8a6b94032e0077ae15b21e7b42a9599bdc18ea22 Bisecting: 124 revisions left to test after this (roughly 7 steps) [4b98d5dcd145aab10219b9f259b70110cd34f01a] Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost testing commit 4b98d5dcd145aab10219b9f259b70110cd34f01a gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed574967a19a28230d068bfe987f9aee2a013f78b39237b6eceb7610a79cb7f7 run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event 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 false negative chance: 0.000 # git bisect good 4b98d5dcd145aab10219b9f259b70110cd34f01a Bisecting: 74 revisions left to test after this (roughly 6 steps) [af54a3a151691a969b04396cff15afe70d4da824] Merge tag 'printk-for-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux testing commit af54a3a151691a969b04396cff15afe70d4da824 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2fcceeea36d8ae39d70fa8926ea4a72474b560036eb19949c7997f9ef616a378 run #0: crashed: INFO: task hung in jbd2_journal_commit_transaction run #1: crashed: INFO: task hung in jbd2_journal_commit_transaction run #2: crashed: INFO: task hung in jbd2_journal_commit_transaction run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: INFO: task hung in jbd2_journal_commit_transaction run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: OK run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: OK run #18: OK run #19: OK representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad af54a3a151691a969b04396cff15afe70d4da824 Bisecting: 25 revisions left to test after this (roughly 5 steps) [f278b6d5bb465c7fd66f3d103812947e55b376ed] Revert "tcp: avoid atomic operations on sk->sk_rmem_alloc" testing commit f278b6d5bb465c7fd66f3d103812947e55b376ed gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9dda53a9e4a5bb045e4c5f8d81eeea11501acac362f7946f78ee0c95627b2002 run #0: crashed: INFO: task hung in jbd2_journal_commit_transaction run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad f278b6d5bb465c7fd66f3d103812947e55b376ed Bisecting: 11 revisions left to test after this (roughly 4 steps) [88dec030dfcd72fa4322181eb64db06c514f33b1] selftests: net: use Path helpers in ping testing commit 88dec030dfcd72fa4322181eb64db06c514f33b1 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a710d8fcb8abc4cf585df5f4cd307e70e61098eb0f74387b5b30e11017241672 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: OK run #17: OK run #18: OK run #19: OK representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad 88dec030dfcd72fa4322181eb64db06c514f33b1 Bisecting: 5 revisions left to test after this (roughly 3 steps) [fab05835688526f9de123d1e98e4d1f838da4e22] net/mlx5e: SHAMPO, Make reserved size independent of page size testing commit fab05835688526f9de123d1e98e4d1f838da4e22 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80298a5e57688a0978e9b47c0c1b322a40580880104f646d419384e8180a2de4 run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event run #2: basic kernel testing failed: possible deadlock in lapbeth_device_event run #3: basic kernel testing failed: possible deadlock in lapbeth_device_event run #4: basic kernel testing failed: possible deadlock in lapbeth_device_event 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 false negative chance: 0.000 # git bisect good fab05835688526f9de123d1e98e4d1f838da4e22 Bisecting: 2 revisions left to test after this (roughly 2 steps) [7220e8f4d4eec0b2f682eef45e2d36c092738413] net: lapbether: use netdev_lockdep_set_classes() helper testing commit 7220e8f4d4eec0b2f682eef45e2d36c092738413 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5e753cd62df37a300c8d49f274b07504e4b18829e89ceaf3079e4429cc01ad3 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: INFO: task hung in jbd2_journal_commit_transaction run #17: crashed: no output from test machine run #18: crashed: no output from test machine run #19: crashed: INFO: task hung in synchronize_rcu representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad 7220e8f4d4eec0b2f682eef45e2d36c092738413 Bisecting: 1 revision left to test after this (roughly 1 step) [2ea396448f26d0d7d66224cb56500a6789c7ed07] net: usb: usbnet: restore usb%d name exception for local mac addresses testing commit 2ea396448f26d0d7d66224cb56500a6789c7ed07 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 54800e30665a7e26549879cd3b0fa033c45dee34fdc58b222088c3000b789ec0 run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event run #2: basic kernel testing failed: possible deadlock in lapbeth_device_event run #3: basic kernel testing failed: possible deadlock in lapbeth_device_event 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 false negative chance: 0.000 # git bisect good 2ea396448f26d0d7d66224cb56500a6789c7ed07 Bisecting: 0 revisions left to test after this (roughly 0 steps) [4f1eaabb4b66a1f7473f584e14e15b2ac19dfaf3] net: phy: broadcom: Correct BCM5221 PHY model detection testing commit 4f1eaabb4b66a1f7473f584e14e15b2ac19dfaf3 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b8147ba115371f027d4140665a41d15d5cfd696a2d15e10f5f0d6d515aa4a92 run #0: basic kernel testing failed: possible deadlock in lapbeth_device_event run #1: basic kernel testing failed: possible deadlock in lapbeth_device_event 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 false negative chance: 0.000 # git bisect good 4f1eaabb4b66a1f7473f584e14e15b2ac19dfaf3 7220e8f4d4eec0b2f682eef45e2d36c092738413 is the first bad commit commit 7220e8f4d4eec0b2f682eef45e2d36c092738413 Author: Eric Dumazet Date: Thu Mar 27 14:44:39 2025 +0000 net: lapbether: use netdev_lockdep_set_classes() helper drivers/net/wan/lapbether.c uses stacked devices. Like similar drivers, it must use netdev_lockdep_set_classes() to avoid LOCKDEP splats. This is similar to commit 9bfc9d65a1dc ("hamradio: use netdev_lockdep_set_classes() helper") Fixes: 7e4d784f5810 ("net: hold netdev instance lock during rtnetlink operations") Reported-by: syzbot+377b71db585c9c705f8e@syzkaller.appspotmail.com Closes: https://lore.kernel.org/lkml/67cd611c.050a0220.14db68.0073.GAE@google.com/T/#u Signed-off-by: Eric Dumazet Acked-by: Stanislav Fomichev Link: https://patch.msgid.link/20250327144439.2463509-1-edumazet@google.com Signed-off-by: Jakub Kicinski drivers/net/wan/lapbether.c | 2 ++ 1 file changed, 2 insertions(+) accumulated error probability: 0.00 culprit signature: b5e753cd62df37a300c8d49f274b07504e4b18829e89ceaf3079e4429cc01ad3 parent signature: 6b8147ba115371f027d4140665a41d15d5cfd696a2d15e10f5f0d6d515aa4a92 reproducer is flaky (0.60 repro chance estimate) revisions tested: 27, total time: 12h9m38.877589271s (build: 7h31m37.86737421s, test: 4h5m5.752066614s) first bad commit: 7220e8f4d4eec0b2f682eef45e2d36c092738413 net: lapbether: use netdev_lockdep_set_classes() helper recipients (to): ["edumazet@google.com" "kuba@kernel.org" "sdf@fomichev.me"] recipients (cc): [] crash: no output from test machine