ci starts bisection 2024-10-17 01:46:49.921782403 +0000 UTC m=+27244.652332805 bisecting cause commit starting from 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 building syzkaller on bde2d81c291a93fb9eb33717672427393206c208 ensuring issue is reproducible on original commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 testing commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4fc37a7c38b00efa45a39b2be63c0d12b36b4cd6f19d02950b3d2ecb3d54bf71 run #0: crashed: INFO: rcu detected stall in worker_thread run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in worker_thread 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 do_sock_setsockopt run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: task hung in corrupted run #12: crashed: INFO: task hung in corrupted run #13: crashed: INFO: task hung in corrupted run #14: crashed: INFO: task hung in crda_timeout_work run #15: crashed: INFO: task hung in linkwatch_event run #16: OK run #17: OK run #18: crashed: INFO: rcu detected stall in corrupted run #19: OK representative crash: INFO: rcu detected stall in worker_thread, 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 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 11020b4a0436c3170fa0b1792fa9b49ede2f669e92bdfac6f6190743c8713ad8 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: task hung in corrupted run #3: crashed: INFO: task hung in corrupted run #4: crashed: INFO: task hung in corrupted run #5: crashed: INFO: task hung in new_device_store run #6: crashed: INFO: task hung in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: task hung in corrupted run #9: crashed: INFO: task hung in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4045 full=8192 leaves diff=2110 split chunks (needed=false): <2110> split chunk #0 of len 2110 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 111f48ed053ce9682e69672b1a232740460221b97f4f2e726bef5a65f65d9516 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: task hung in addrconf_dad_work run #2: crashed: INFO: task hung in corrupted run #3: crashed: INFO: task hung in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: task hung in corrupted run #7: crashed: INFO: task hung in corrupted run #8: crashed: INFO: task hung in corrupted run #9: crashed: BUG: workqueue lockup representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b4e049798c479e3b916e8748a1eb0ee1d98429d7530c295457193575b8e03559 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: task hung in del_device_store run #2: crashed: INFO: task hung in linkwatch_event run #3: crashed: INFO: task hung in linkwatch_event run #4: crashed: INFO: task hung in del_device_store run #5: crashed: INFO: task hung in corrupted run #6: crashed: INFO: task hung in wg_netns_pre_exit run #7: crashed: INFO: task hung in rtnetlink_rcv_msg run #8: crashed: INFO: task hung in linkwatch_event run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9270872b0cda3cfccbc2b55c006ca89b8c023814cb36fde3cb41a597b435e862 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 76df111a707c3ef32842879d7a2e8d8a6c6044fbedeae594e5ebb49291a16730 run #0: crashed: INFO: task hung in new_device_store run #1: crashed: INFO: task hung in linkwatch_event run #2: crashed: INFO: task hung in linkwatch_event run #3: crashed: INFO: task hung in nsim_create run #4: crashed: no output from test machine run #5: crashed: INFO: task hung in linkwatch_event run #6: crashed: INFO: task hung in tun_chr_close run #7: crashed: INFO: task hung in addrconf_dad_work run #8: OK run #9: OK representative crash: INFO: task hung in new_device_store, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f4b8c8d9f3152543654c3519bc9a7d565bbdb13f412933f0142622b6e625f83e all runs: OK false negative chance: 0.000 minimized to 844 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 FB_CORE GPIOLIB HAMRADIO HID_NINTENDO HID_ZEROPLUS HSR I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IOMMUFD IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS 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_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_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_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 LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_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 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_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON MFD_VIPERBOARD MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MODULE_SRCVERSION_ALL MODVERSIONS 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_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_DEVLINK NET_DEVMEM 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_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 NOP_USB_XCEIV PAGE_POOL 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_AMD5536UDC USB_ATM 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_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA 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 USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE 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_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY 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_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_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS WWAN X25 X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC 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 Z3FOLD Z3FOLD_DEPRECATED 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_Z3FOLD_DEPRECATED] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e99a832a848fbb1f4db49d878c959001550c23123085132b25fba1f1bc2a34a all runs: OK false negative chance: 0.000 # git bisect start 2f87d0916ce0d2925cedbc9e8f5d6291ba2ac7b2 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 7086 revisions left to test after this (roughly 13 steps) [176000734ee2978121fde22a954eb1eabb204329] Merge tag 'ata-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux testing commit 176000734ee2978121fde22a954eb1eabb204329 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34ea064e6dc68755443bf73b4e3e2a0fa500316a9e3a6977136a9c2cf41fc343 all runs: OK false negative chance: 0.000 # git bisect good 176000734ee2978121fde22a954eb1eabb204329 Bisecting: 3546 revisions left to test after this (roughly 12 steps) [962ad08780a5bfb3240bc793e565181eacfceafb] Merge tag 'pinctrl-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl testing commit 962ad08780a5bfb3240bc793e565181eacfceafb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b1fdb84ebbb0bba6d7c7db42cbd5162bff548d4df1f112dde5840fe322a66ca run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: task hung in new_device_store run #2: crashed: INFO: task hung in del_device_store run #3: crashed: INFO: task hung in linkwatch_event run #4: crashed: INFO: task hung in tun_chr_close run #5: crashed: INFO: task hung in tun_chr_close run #6: crashed: no output from test machine run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect bad 962ad08780a5bfb3240bc793e565181eacfceafb Bisecting: 1855 revisions left to test after this (roughly 11 steps) [1868f9d0260e9afaf7c6436d14923ae12eaea465] Merge tag 'for-linux-6.12-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux testing commit 1868f9d0260e9afaf7c6436d14923ae12eaea465 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: acc01f0de9c57acf55383f320c06cd6ce471f9695177ed3d24d6dcb5554b693e run #0: crashed: INFO: task hung in rtnetlink_rcv_msg run #1: crashed: INFO: task hung in addrconf_dad_work run #2: crashed: INFO: task hung in linkwatch_event run #3: crashed: INFO: task hung in worker_attach_to_pool 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: OK run #9: OK representative crash: INFO: task hung in rtnetlink_rcv_msg, types: [HANG UNKNOWN] # git bisect bad 1868f9d0260e9afaf7c6436d14923ae12eaea465 Bisecting: 779 revisions left to test after this (roughly 10 steps) [e55ef65510a401862b902dc979441ea10ae25c61] Merge tag 'amd-drm-next-6.12-2024-08-26' of https://gitlab.freedesktop.org/agd5f/linux into drm-next testing commit e55ef65510a401862b902dc979441ea10ae25c61 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4534c23f357577b875d01f3803b493602c7715ead17c3649839652fa69f61b43 run #0: crashed: 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: crashed: INFO: task hung in addrconf_dad_work run #8: OK run #9: OK representative crash: lost connection to test machine, types: [UNKNOWN HANG] # git bisect bad e55ef65510a401862b902dc979441ea10ae25c61 Bisecting: 448 revisions left to test after this (roughly 9 steps) [3f53d7e442197b7e7d56b470b02dfd37a8bc5c46] Merge tag 'drm-intel-gt-next-2024-08-23' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next testing commit 3f53d7e442197b7e7d56b470b02dfd37a8bc5c46 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e78f6eecb3cd03cd5ea470ea397bfcd23b31c696caf98f32b3d81caf8ea351e run #0: crashed: INFO: task hung in del_device_store 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: crashed: INFO: task hung in addrconf_dad_work run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in del_device_store, types: [HANG] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 3f53d7e442197b7e7d56b470b02dfd37a8bc5c46 Bisecting: 448 revisions left to test after this (roughly 9 steps) [6ef29715ac06fad7b3e43086cb4df97952c3a4de] drm/amdkfd: Change kfd/svm page fault drain handling testing commit 6ef29715ac06fad7b3e43086cb4df97952c3a4de gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 332d67e30426b896e6c5545219952840cdce4215e444126141dac94c9e7c36ba run #0: crashed: 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 representative crash: lost connection to test machine, types: [UNKNOWN] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 6ef29715ac06fad7b3e43086cb4df97952c3a4de Bisecting: 448 revisions left to test after this (roughly 9 steps) [17277da26623d4aa8bdda628d0024cf2f2e39ae6] drm/amdgpu: Remove debugfs amdgpu_reset_dump_register_list testing commit 17277da26623d4aa8bdda628d0024cf2f2e39ae6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92895ba64b90cfcd30dcd4f4e57c7843f18d24edf7df049bd1e8db5bc00646e5 run #0: OK run #1: OK run #2: crashed: INFO: task hung in addrconf_dad_work run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: crashed: INFO: task hung in linkwatch_event 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_dad_work, types: [HANG] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 17277da26623d4aa8bdda628d0024cf2f2e39ae6 Bisecting: 448 revisions left to test after this (roughly 9 steps) [8169b2097d88d99d7e4a72e20e4b549efe9eb8d7] drm/xe/uapi: Rename xe perf layer as xe observation layer testing commit 8169b2097d88d99d7e4a72e20e4b549efe9eb8d7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bcc403732c168fa6c07a4e450e3daa7ed059ed78cacd0c5763c13f433c205708 run #0: crashed: INFO: task hung in addrconf_dad_work 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: crashed: INFO: task hung in addrconf_dad_work 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_dad_work, types: [HANG] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 8169b2097d88d99d7e4a72e20e4b549efe9eb8d7 Bisecting: 448 revisions left to test after this (roughly 9 steps) [507293b1b207e419fc7ea4ff1d72c2f1db18e33c] drm/amd/display: Fix overlay with pre-blend color processing testing commit 507293b1b207e419fc7ea4ff1d72c2f1db18e33c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28fea8c439eabf659894b700d30521daff6d558e372ff3c4854321f57f6e8780 all runs: OK false negative chance: 0.000 # git bisect good 507293b1b207e419fc7ea4ff1d72c2f1db18e33c Bisecting: 333 revisions left to test after this (roughly 8 steps) [00b8a47d8ebe0419e649dc81b96033f6db6a4746] drm/panel: st7701: Rename macros testing commit 00b8a47d8ebe0419e649dc81b96033f6db6a4746 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c2b16042d35e95e0911f4ef1db0d3751aa566d6c75bbc8fc2e6368bfa165158 run #0: crashed: lost connection to test machine run #1: crashed: INFO: task hung in addrconf_dad_work 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: lost connection to test machine, types: [UNKNOWN HANG] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 00b8a47d8ebe0419e649dc81b96033f6db6a4746 Bisecting: 333 revisions left to test after this (roughly 8 steps) [9790bbe3ba48b659c0152f49552f6abc18f85bc8] drm/xe: Normalize NEEDS_64K BO flag testing commit 9790bbe3ba48b659c0152f49552f6abc18f85bc8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b9786aef2b9e04a7274eec4fd186acd72728d7e7fd4fb843f2832b4b1c64c40 run #0: crashed: INFO: task hung in new_device_store run #1: crashed: INFO: task hung in addrconf_dad_work run #2: OK run #3: OK run #4: OK run #5: crashed: INFO: task hung in linkwatch_event 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 new_device_store, types: [HANG] # git bisect bad 9790bbe3ba48b659c0152f49552f6abc18f85bc8 Bisecting: 32 revisions left to test after this (roughly 5 steps) [45d30c828c613441bfbe5c97ca766854152b7181] drm/xe/vf: Track writes to inaccessible registers from VF testing commit 45d30c828c613441bfbe5c97ca766854152b7181 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae2a29d6f06b7a79948e429bf579dc46ada0ca530965144ee7c3655cef615aee run #0: crashed: INFO: task hung in addrconf_dad_work run #1: OK run #2: OK run #3: OK run #4: OK run #5: crashed: INFO: task hung in addrconf_dad_work 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_dad_work, types: [HANG] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 45d30c828c613441bfbe5c97ca766854152b7181 Bisecting: 32 revisions left to test after this (roughly 5 steps) [bd85e00fa489f5374c2bad0eac15842d2ec68045] drm/xe/kunit: Kill xe_cur_kunit() testing commit bd85e00fa489f5374c2bad0eac15842d2ec68045 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ffecf36281f0e21fe6b1b53ef9e5b2c5d4e210256295fe00e2f3923648f130ad run #0: OK run #1: OK run #2: OK run #3: OK run #4: crashed: INFO: task hung in linkwatch_event run #5: OK run #6: OK run #7: crashed: INFO: task hung in addrconf_dad_work run #8: crashed: INFO: task hung in addrconf_dad_work run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: crashed: INFO: task hung in addrconf_dad_work run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in linkwatch_event, types: [HANG] # git bisect bad bd85e00fa489f5374c2bad0eac15842d2ec68045 Bisecting: 11 revisions left to test after this (roughly 4 steps) [3078d9c8b6a0939bc732fd1c36ef86c0178127dd] drm/xe: Use VF_CAP_REG for device wmb testing commit 3078d9c8b6a0939bc732fd1c36ef86c0178127dd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80586faf7abab6c5fe45332e56c9cebd8000c25b07ee8d521df1c9136c68e703 run #0: OK run #1: OK run #2: crashed: INFO: task hung in addrconf_dad_work run #3: OK run #4: OK run #5: crashed: INFO: task hung in addrconf_dad_work 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: crashed: INFO: task hung in addrconf_dad_work run #19: OK representative crash: INFO: task hung in addrconf_dad_work, types: [HANG] # git bisect bad 3078d9c8b6a0939bc732fd1c36ef86c0178127dd Bisecting: 6 revisions left to test after this (roughly 3 steps) [96e7ebb220f8a873321cfc5a87bc4533d36ec444] drm/xe: Add xe_exec_queue_last_fence_test_dep testing commit 96e7ebb220f8a873321cfc5a87bc4533d36ec444 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 360ec77af9b4c2a6803a1603c60d28b78ab4742b453cb95fa85280e1869245b6 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: OK run #10: OK run #11: OK run #12: crashed: INFO: task hung in addrconf_dad_work 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_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 96e7ebb220f8a873321cfc5a87bc4533d36ec444 Bisecting: 6 revisions left to test after this (roughly 3 steps) [04e9c0ce19ac68afd8be7fd54772db3b0356cf75] drm/xe: Add VM bind IOCTL error injection testing commit 04e9c0ce19ac68afd8be7fd54772db3b0356cf75 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b0e575f856d7d2148447958380d9ebcdf777e0d058d5e32ea9080f87661d713 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: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: crashed: INFO: task hung in linkwatch_event run #18: OK run #19: OK representative crash: INFO: task hung in linkwatch_event, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 04e9c0ce19ac68afd8be7fd54772db3b0356cf75 Bisecting: 6 revisions left to test after this (roughly 3 steps) [e8babb280b5ef904df54b3a90e5a7e3a9600c4a9] drm/xe: Convert multiple bind ops into single job testing commit e8babb280b5ef904df54b3a90e5a7e3a9600c4a9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9d92549a6abc45f38b903548102e1f48d50c9b9d74d7cc46c2624ee42e62d3b1 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: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: crashed: INFO: task hung in addrconf_dad_work run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in addrconf_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip e8babb280b5ef904df54b3a90e5a7e3a9600c4a9 Bisecting: 6 revisions left to test after this (roughly 3 steps) [a708f6501c692551e3d4ea618c44021f436730d9] drm/xe: Update PT layer with better error handling testing commit a708f6501c692551e3d4ea618c44021f436730d9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4475cf2d0aecf836d4b68463fab3ab1196dabfa111d6a740aab56525c1e6a00d run #0: OK run #1: crashed: INFO: task hung in addrconf_dad_work 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 addrconf_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip a708f6501c692551e3d4ea618c44021f436730d9 Bisecting: 6 revisions left to test after this (roughly 3 steps) [282e6f846d8c3fcf36293f68f38d814645c3b852] drm/xe: Update VM trace events testing commit 282e6f846d8c3fcf36293f68f38d814645c3b852 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe45280e6b0f6766ce1baa3375871f366842949fd5fc5ac4597be5259f4aa6cd run #0: OK run #1: OK run #2: crashed: INFO: task hung in addrconf_dad_work 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_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 282e6f846d8c3fcf36293f68f38d814645c3b852 Bisecting: 6 revisions left to test after this (roughly 3 steps) [9dae9751c7b0086963f5cbb82424b5e4cf58f123] drm/xe: Fix register definition order in xe_regs.h testing commit 9dae9751c7b0086963f5cbb82424b5e4cf58f123 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9533a0c4ba04018e9aaf2a849f6ab4a74bcac847975297dd8164f0972e4390ae 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: OK run #10: OK run #11: crashed: INFO: task hung in addrconf_dad_work 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_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 9dae9751c7b0086963f5cbb82424b5e4cf58f123 Bisecting: 6 revisions left to test after this (roughly 3 steps) [2e524668c440104633af1effcc85d1d6234c7ccf] drm/xe: Add xe_vm_pgtable_update_op to xe_vma_ops testing commit 2e524668c440104633af1effcc85d1d6234c7ccf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 85d0d57d613f1eb33115196dabafa3da9072f423bbc91c6054600ab22a64d23e run #0: OK run #1: crashed: INFO: task hung in addrconf_dad_work 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 addrconf_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 2e524668c440104633af1effcc85d1d6234c7ccf Bisecting: 6 revisions left to test after this (roughly 3 steps) [627c961d672d3304564455ba471f5e4405170eec] drm/xe: Add timeout to preempt fences testing commit 627c961d672d3304564455ba471f5e4405170eec gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a389166675c36786e678ceb57609f3ac91ecf67080f17194a5733338f1cf8c64 run #0: OK run #1: crashed: INFO: task hung in addrconf_dad_work 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 addrconf_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 627c961d672d3304564455ba471f5e4405170eec Bisecting: 6 revisions left to test after this (roughly 3 steps) [67d90d679eb3447f73e2a1fe55f7e6c6a44c9fa1] drm/xe: s/xe_tile_migrate_engine/xe_tile_migrate_exec_queue testing commit 67d90d679eb3447f73e2a1fe55f7e6c6a44c9fa1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10d329e601faa8a47d08045b7a5f636fdcc1027e149cf16c63d2ede503907f02 run #0: crashed: INFO: task hung in addrconf_dad_work 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 addrconf_dad_work, types: [HANG] unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 67d90d679eb3447f73e2a1fe55f7e6c6a44c9fa1 Bisecting: 6 revisions left to test after this (roughly 3 steps) [466a6c3855cf00653c14a92a6e9f8ae50077b77d] drm/xe: Kill regs/xe_sriov_regs.h testing commit 466a6c3855cf00653c14a92a6e9f8ae50077b77d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73e3f0a7226b74644263d9ce04c78bcb8c80ea15b46094c1e30916c85312dc4a all runs: OK false negative chance: 0.011 # git bisect good 466a6c3855cf00653c14a92a6e9f8ae50077b77d 3078d9c8b6a0939bc732fd1c36ef86c0178127dd is the first bad commit commit 3078d9c8b6a0939bc732fd1c36ef86c0178127dd Author: Michal Wajdeczko Date: Tue Jul 2 20:37:04 2024 +0200 drm/xe: Use VF_CAP_REG for device wmb To force a write barrier on the device memory, we write to the SOFTWARE_FLAGS_SPR33 register, but this particular register was selected because it was one of the writable and unused register. Since a write barrier should also work if we use the read-only register, switch to VF_CAP_REG register that is also marked as accessible for VFs. While at it, add simple kernel-doc for xe_device_wmb() function. Signed-off-by: Michal Wajdeczko Cc: Matt Roper Reviewed-by: Matt Roper Reviewed-by: Himal Prasad Ghimiray Link: https://patchwork.freedesktop.org/patch/msgid/20240702183704.1022-4-michal.wajdeczko@intel.com drivers/gpu/drm/xe/xe_device.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) accumulated error probability: 0.01 culprit signature: 80586faf7abab6c5fe45332e56c9cebd8000c25b07ee8d521df1c9136c68e703 parent signature: 73e3f0a7226b74644263d9ce04c78bcb8c80ea15b46094c1e30916c85312dc4a reproducer is flaky (0.20 repro chance estimate) revisions tested: 32, total time: 11h43m14.18853868s (build: 5h57m2.310283971s, test: 5h19m54.387158843s) first bad commit: 3078d9c8b6a0939bc732fd1c36ef86c0178127dd drm/xe: Use VF_CAP_REG for device wmb recipients (to): ["himal.prasad.ghimiray@intel.com" "matthew.d.roper@intel.com" "michal.wajdeczko@intel.com"] recipients (cc): [] crash: INFO: task hung in addrconf_dad_work INFO: task kworker/u8:6:2618 blocked for more than 144 seconds. Not tainted 6.10.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:6 state:D stack:11400 pid:2618 tgid:2618 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x634/0xa00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xac/0x140 kernel/sched/core.c:6837 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x44a/0x970 kernel/locking/mutex.c:752 addrconf_dad_work+0x51/0x8b0 net/ipv6/addrconf.c:4193 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0x3a4/0x8f0 kernel/workqueue.c:3312 worker_thread+0x35a/0x4d0 kernel/workqueue.c:3393 kthread+0x114/0x140 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz-executor:4927 blocked for more than 144 seconds. Not tainted 6.10.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:11792 pid:4927 tgid:4927 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x634/0xa00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xac/0x140 kernel/sched/core.c:6837 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x44a/0x970 kernel/locking/mutex.c:752 rtnl_lock net/core/rtnetlink.c:79 [inline] __rtnl_newlink net/core/rtnetlink.c:3720 [inline] rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x630/0x800 net/core/rtnetlink.c:6635 netlink_rcv_skb+0xe8/0x1c0 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x479/0x540 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x4df/0x5c0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xca/0xf0 net/socket.c:745 __sys_sendto+0x344/0x3e0 net/socket.c:2192 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0x28/0x30 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x1a0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45cdf67e33 RSP: 002b:00007ffd939c7108 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f45cec4c620 RCX: 00007f45cdf67e33 RDX: 000000000000003c RSI: 00007f45cec4c670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffd939c7124 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f45cec4c670 R15: 0000000000000000 INFO: task syz-executor:4944 blocked for more than 145 seconds. Not tainted 6.10.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:11560 pid:4944 tgid:4944 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x634/0xa00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xac/0x140 kernel/sched/core.c:6837 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x44a/0x970 kernel/locking/mutex.c:752 rtnl_lock net/core/rtnetlink.c:79 [inline] __rtnl_newlink net/core/rtnetlink.c:3720 [inline] rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x630/0x800 net/core/rtnetlink.c:6635 netlink_rcv_skb+0xe8/0x1c0 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x479/0x540 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x4df/0x5c0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xca/0xf0 net/socket.c:745 __sys_sendto+0x344/0x3e0 net/socket.c:2192 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0x28/0x30 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x1a0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7872e08e33 RSP: 002b:00007fff6aa08d38 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f7873aed620 RCX: 00007f7872e08e33 RDX: 0000000000000038 RSI: 00007f7873aed670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fff6aa08d54 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f7873aed670 R15: 0000000000000000 INFO: task syz-executor:4948 blocked for more than 146 seconds. Not tainted 6.10.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:11712 pid:4948 tgid:4948 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x634/0xa00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xac/0x140 kernel/sched/core.c:6837 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x44a/0x970 kernel/locking/mutex.c:752 rtnl_lock net/core/rtnetlink.c:79 [inline] __rtnl_newlink net/core/rtnetlink.c:3720 [inline] rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x630/0x800 net/core/rtnetlink.c:6635 netlink_rcv_skb+0xe8/0x1c0 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x479/0x540 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x4df/0x5c0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xca/0xf0 net/socket.c:745 __sys_sendto+0x344/0x3e0 net/socket.c:2192 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0x28/0x30 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x1a0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd89b4ace33 RSP: 002b:00007ffee0f44138 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fd89c191620 RCX: 00007fd89b4ace33 RDX: 000000000000003c RSI: 00007fd89c191670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffee0f44154 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fd89c191670 R15: 0000000000000000 Showing all locks held in the system: 3 locks held by kworker/0:0/8: #0: ffff888100078548 ((wq_completion)events){....}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888100078548 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x2fd/0x8f0 kernel/workqueue.c:3312 #1: ffffc9000004be48 ((linkwatch_work).work){....}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc9000004be48 ((linkwatch_work).work){....}-{0:0}, at: process_scheduled_works+0x324/0x8f0 kernel/workqueue.c:3312 #2: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: linkwatch_event+0xe/0x30 net/core/link_watch.c:276 1 lock held by khungtaskd/30: #0: ffffffff84bafb30 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff84bafb30 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff84bafb30 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 kernel/locking/lockdep.c:6614 3 locks held by kworker/u8:6/2618: #0: ffff8881073ae548 ((wq_completion)ipv6_addrconf){....}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff8881073ae548 ((wq_completion)ipv6_addrconf){....}-{0:0}, at: process_scheduled_works+0x2fd/0x8f0 kernel/workqueue.c:3312 #1: ffffc900078cbe48 ((work_completion)(&(&ifa->dad_work)->work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc900078cbe48 ((work_completion)(&(&ifa->dad_work)->work)){....}-{0:0}, at: process_scheduled_works+0x324/0x8f0 kernel/workqueue.c:3312 #2: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: addrconf_dad_work+0x51/0x8b0 net/ipv6/addrconf.c:4193 6 locks held by kworker/u8:7/2698: 2 locks held by dhcpcd/3098: #0: ffff88811b8ab670 (nlk_cb_mutex-ROUTE){....}-{3:3}, at: __netlink_dump_start+0x8c/0x390 net/netlink/af_netlink.c:2418 #1: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: netlink_dump+0x233/0x520 net/netlink/af_netlink.c:2336 2 locks held by getty/3156: #0: ffff8881134178a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x50 drivers/tty/tty_ldisc.c:243 #1: ffffc900081db2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x34e/0xf50 drivers/tty/n_tty.c:2201 3 locks held by kworker/0:5/4623: #0: ffff888100078548 ((wq_completion)events){....}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888100078548 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x2fd/0x8f0 kernel/workqueue.c:3312 #1: ffffc90001a2fe48 (deferred_process_work){....}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90001a2fe48 (deferred_process_work){....}-{0:0}, at: process_scheduled_works+0x324/0x8f0 kernel/workqueue.c:3312 #2: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 1 lock held by syz-executor/4927: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3720 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 1 lock held by syz-executor/4939: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3720 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 1 lock held by syz-executor/4944: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3720 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 1 lock held by syz-executor/4948: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3720 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x7f0/0x1430 net/core/rtnetlink.c:3743 1 lock held by syz-executor/5166: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5174: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5176: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5178: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5260: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5262: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5268: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5269: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5366: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5368: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5373: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5375: #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff84e20dd8 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x49b/0x800 net/core/rtnetlink.c:6632 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x10e/0x1b0 lib/dump_stack.c:114 nmi_cpu_backtrace+0x234/0x250 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x102/0x220 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0x8c4/0x900 kernel/hung_task.c:379 kthread+0x114/0x140 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24 Comm: ksoftirqd/1 Not tainted 6.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:check_preemption_disabled+0x4/0x120 lib/smp_processor_id.c:13 Code: 84 48 c7 c6 3e a1 62 84 eb 1c 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 <41> 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 RSP: 0018:ffffc900000d36c8 EFLAGS: 00000082 RAX: 0000000000000001 RBX: 0000000000000246 RCX: 000000008cd0f245 RDX: e2e1e86de20ca7de RSI: ffffffff844ef420 RDI: ffffffff845589fb RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: ffffffff84bafb30 FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c0 CR3: 00000001135b4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline] lock_acquire+0xe9/0x1f0 kernel/locking/lockdep.c:5756 rcu_lock_acquire include/linux/rcupdate.h:329 [inline] rcu_read_lock include/linux/rcupdate.h:781 [inline] l3mdev_fib_table include/net/l3mdev.h:136 [inline] inet_addr_type_dev_table+0x40/0x90 net/ipv4/fib_frontend.c:265 ip_route_me_harder+0x279/0x780 net/ipv4/netfilter.c:35 synproxy_send_tcp+0x178/0x240 net/netfilter/nf_synproxy_core.c:431 synproxy_send_client_synack+0x304/0x330 net/netfilter/nf_synproxy_core.c:484 nft_synproxy_eval_v4+0x1a8/0x1f0 net/netfilter/nft_synproxy.c:59 nft_synproxy_do_eval+0x170/0x3b0 net/netfilter/nft_synproxy.c:141 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x27e/0xb10 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x144/0x170 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0x52/0x160 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ip_local_deliver+0x154/0x1a0 net/ipv4/ip_input.c:254 NF_HOOK include/linux/netfilter.h:314 [inline] ip_rcv+0x59/0x160 net/ipv4/ip_input.c:569 __netif_receive_skb_one_core net/core/dev.c:5625 [inline] __netif_receive_skb+0xe4/0x210 net/core/dev.c:5739 process_backlog+0x174/0x2a0 net/core/dev.c:6068 __napi_poll+0x44/0x330 net/core/dev.c:6722 napi_poll net/core/dev.c:6791 [inline] net_rx_action+0x1f7/0x4c0 net/core/dev.c:6907 handle_softirqs+0xfe/0x2f0 kernel/softirq.c:554 run_ksoftirqd+0x28/0x40 kernel/softirq.c:928 smpboot_thread_fn+0x211/0x390 kernel/smpboot.c:164 kthread+0x114/0x140 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244