ci starts bisection 2023-12-23 10:55:59.67466218 +0000 UTC m=+58987.271427384 bisecting cause commit starting from 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a building syzkaller on 3ad490ea48468e50fe91f6f6b2ca4cbc74d924bf ensuring issue is reproducible on original commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a testing commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 08a682b0547317c365cad69a81b01f01c0ba8315dbbad68745bc0cdbe5e84512 run #0: crashed: INFO: rcu detected stall in __do_softirq run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in tc_modify_qdisc run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc run #8: crashed: INFO: rcu detected stall in tc_modify_qdisc run #9: crashed: INFO: rcu detected stall in __do_softirq run #10: crashed: INFO: rcu detected stall in tc_modify_qdisc run #11: crashed: INFO: rcu detected stall in tc_modify_qdisc run #12: crashed: INFO: rcu detected stall in tc_modify_qdisc run #13: crashed: INFO: rcu detected stall in net_tx_action run #14: crashed: INFO: rcu detected stall in tc_modify_qdisc run #15: crashed: INFO: rcu detected stall in tc_modify_qdisc run #16: crashed: INFO: rcu detected stall in tc_modify_qdisc run #17: crashed: INFO: rcu detected stall in tc_modify_qdisc run #18: crashed: INFO: rcu detected stall in tc_modify_qdisc run #19: crashed: INFO: rcu detected stall in tc_modify_qdisc representative crash: INFO: rcu detected stall in __do_softirq, 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 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 85bf06d2b46e005eee8505f6eb9e96da4b0ccbf7f0ba76e2b413e3932560f767 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in sys_futex run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in tc_modify_qdisc run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc run #8: crashed: INFO: rcu detected stall in tc_modify_qdisc run #9: crashed: INFO: rcu detected stall in tc_modify_qdisc 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=3923 full=7658 leaves diff=2005 split chunks (needed=false): <2005> split chunk #0 of len 2005 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1a026bd38581ceb906c5e88331abfb815e274eb7927ad5a3020cb67bdc8330f run #0: crashed: INFO: rcu detected stall in addrconf_dad_work run #1: crashed: INFO: rcu detected stall in addrconf_dad_work run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in __do_softirq run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in tc_modify_qdisc run #7: crashed: INFO: rcu detected stall in sendmsg run #8: crashed: INFO: rcu detected stall in tc_modify_qdisc run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in addrconf_dad_work, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ddbb6ec8d8f5621ec97f2cee7c73df9c03989b93b56061e86839e593ec8531e run #0: crashed: INFO: rcu detected stall in netdev_run_todo run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in sendmsg run #3: crashed: INFO: rcu detected stall in sys_futex run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in tc_modify_qdisc run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc run #8: crashed: INFO: rcu detected stall in tc_modify_qdisc run #9: crashed: INFO: rcu detected stall in tc_modify_qdisc representative crash: INFO: rcu detected stall in netdev_run_todo, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bfa1b2a59d016634a603f71f354e4ab2cd94413a6d3e97f4740d16d73caa7503 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9e19e22d8bb9dced71ef87f4f9e6777b19888b2ae30a8f966066213e59ea7077 run #0: crashed: INFO: rcu detected stall in fsnotify_mark_destroy_workfn run #1: crashed: INFO: rcu detected stall in __do_softirq run #2: crashed: INFO: rcu detected stall in fsnotify_mark_destroy_workfn run #3: crashed: INFO: rcu detected stall in process_one_work run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in schedule_timeout run #6: crashed: INFO: rcu detected stall in fsnotify_mark_destroy_workfn run #7: crashed: INFO: rcu detected stall in cfg80211_wiphy_work run #8: crashed: INFO: rcu detected stall in __do_softirq run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in fsnotify_mark_destroy_workfn, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 2cf4f94d8e8646803f8fb0facf134b0cd7fb691a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1c84bc3e8987347e376c222db73798d53ec8d97ad6d61d6e8357e1566bc2feba run #0: crashed: INFO: rcu detected stall in sys_futex run #1: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #2: crashed: INFO: rcu detected stall in __do_softirq run #3: crashed: INFO: rcu detected stall in sys_futex run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in sys_futex run #7: crashed: INFO: rcu detected stall in __do_softirq run #8: crashed: INFO: rcu detected stall in debug_check_no_obj_freed run #9: crashed: INFO: rcu detected stall in gc_worker representative crash: INFO: rcu detected stall in sys_futex, types: [HANG] the chunk can be dropped minimized to 401 configs; suspects: [AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB_CORE FSCACHE HAMRADIO HSR INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_USER_ACCESS INPUT_JOYSTICK INPUT_MOUSE IP6_NF_RAW IPV6_MULTIPLE_TABLES IP_NF_RAW IP_SET IP_VS 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 IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_MMIO KVM_PROVE_MMU KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LRU_GEN LRU_GEN_ENABLED LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_SYSCON 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 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM 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_IPT NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_TABLES NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV PARTITION_ADVANCED PSAMPLE RC_CORE RC_DEVICES RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI] disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2d472b881af491e22fcbc17722c53cc819a4e09fac3f3c9b4d367702eb4f4a78 run #0: crashed: INFO: rcu detected stall in sys_clock_nanosleep run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #5: crashed: INFO: rcu detected stall in __do_softirq run #6: crashed: INFO: rcu detected stall in process_one_work run #7: crashed: INFO: rcu detected stall in net_tx_action run #8: crashed: INFO: rcu detected stall in sys_futex run #9: crashed: INFO: rcu detected stall in tc_modify_qdisc representative crash: INFO: rcu detected stall in sys_clock_nanosleep, types: [HANG] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2de26626b4d42fc3f4955f589691d6d9364e35252fc8822b4abad079a5f6a12 run #0: crashed: INFO: rcu detected stall in __do_softirq run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in __do_softirq run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in schedule run #7: crashed: INFO: rcu detected stall in __do_softirq run #8: crashed: INFO: rcu detected stall in __do_softirq run #9: crashed: INFO: rcu detected stall in tc_modify_qdisc representative crash: INFO: rcu detected stall in __do_softirq, types: [HANG] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 417bdf996d651902a4be90aa84d727e6510b2a6f940c0c9a96e0fed72b359180 run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc run #1: crashed: INFO: rcu detected stall in __do_softirq run #2: crashed: INFO: rcu detected stall in net_tx_action run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: INFO: rcu detected stall in dst_destroy run #6: crashed: INFO: rcu detected stall in process_one_work run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc run #8: crashed: INFO: rcu detected stall in sys_futex run #9: crashed: INFO: rcu detected stall in free_obj_work representative crash: INFO: rcu detected stall in tc_modify_qdisc, types: [HANG] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3fabb61172f1c238d941ffd04db598072e735c269a308bedd6b72455efedf368 run #0: crashed: INFO: rcu detected stall in schedule_idle run #1: crashed: INFO: rcu detected stall in process_one_work run #2: crashed: INFO: rcu detected stall in delayed_put_task_struct run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in sendmsg run #6: crashed: INFO: rcu detected stall in debug_check_no_obj_freed run #7: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #8: crashed: INFO: rcu detected stall in sys_futex run #9: crashed: INFO: rcu detected stall in process_one_work representative crash: INFO: rcu detected stall in schedule_idle, types: [HANG] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 451db15367ccb1f3865b80a11cdb2c5ce51cd20da5fab9a4040b728b911e5782 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in __do_softirq run #5: crashed: INFO: rcu detected stall in tc_modify_qdisc run #6: crashed: INFO: rcu detected stall in __do_softirq run #7: crashed: INFO: rcu detected stall in sys_futex run #8: crashed: INFO: rcu detected stall in debug_check_no_obj_freed run #9: crashed: INFO: rcu detected stall in wb_workfn representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f0d9628d91a562d9ac32c96c074e442b201a7d7203f4b4bf73c43525ef3300c6 run #0: crashed: INFO: rcu detected stall in mld_ifc_work run #1: crashed: INFO: rcu detected stall in mld_ifc_work run #2: crashed: INFO: rcu detected stall in smp_call_function run #3: crashed: INFO: rcu detected stall in sendmsg run #4: crashed: INFO: rcu detected stall in mld_ifc_work run #5: crashed: INFO: rcu detected stall in mld_ifc_work run #6: crashed: INFO: rcu detected stall in mld_ifc_work run #7: crashed: INFO: rcu detected stall in mld_ifc_work run #8: crashed: INFO: rcu detected stall in tc_modify_qdisc run #9: crashed: INFO: rcu detected stall in mld_ifc_work representative crash: INFO: rcu detected stall in mld_ifc_work, types: [HANG] testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77756c2670a6af3a4f960a40a3bed518debe770645af71e5e838228d18fee42c run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc run #1: crashed: INFO: rcu detected stall in mld_ifc_work run #2: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #3: crashed: BUG: soft lockup in smp_call_function run #4: crashed: BUG: soft lockup in smp_call_function run #5: crashed: BUG: soft lockup in smp_call_function run #6: crashed: BUG: soft lockup in smp_call_function run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2719724619" "root@10.128.1.8:./syz-executor2719724619"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.8, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.8 [10.128.1.8] port 22. debug1: connect to address 10.128.1.8 port 22: Connection timed out ssh: connect to host 10.128.1.8 port 22: Connection timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1863126105" "root@10.128.0.196:./syz-executor1863126105"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.196, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.196 [10.128.0.196] port 22. debug1: connect to address 10.128.0.196 port 22: Connection timed out ssh: connect to host 10.128.0.196 port 22: Connection timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3145405608" "root@10.128.10.34:./syz-executor3145405608"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.34, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.34 [10.128.10.34] port 22. debug1: connect to address 10.128.10.34 port 22: Connection timed out ssh: connect to host 10.128.10.34 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in tc_modify_qdisc, types: [HANG] testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 20694c9502aec1be370483b3e33dcbef3bd3d6e06a51af807a5c39aa3bd4b224 run #0: crashed: INFO: rcu detected stall in ieee80211_tasklet_handler run #1: crashed: INFO: rcu detected stall in deferred_put_nlk_sk run #2: crashed: INFO: rcu detected stall in packet_release run #3: crashed: INFO: rcu detected stall in netlink_sendmsg run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: BUG: soft lockup in futex run #6: crashed: BUG: soft lockup in smp_call_function run #7: crashed: BUG: soft lockup in smp_call_function run #8: crashed: no output from test machine run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3176616123" "root@10.128.10.17:./syz-executor3176616123"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.17, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.17 [10.128.10.17] port 22. debug1: connect to address 10.128.10.17 port 22: Connection timed out ssh: connect to host 10.128.10.17 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in ieee80211_tasklet_handler, types: [HANG] testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7f3e8221ebaa8a04ba08087878a4acfbdc6040725be744dbec5ca05f788688a run #0: crashed: INFO: rcu detected stall in deferred_put_nlk_sk run #1: crashed: INFO: rcu detected stall in netif_receive_skb_list run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in sendmsg run #4: crashed: INFO: rcu detected stall in net_tx_action run #5: crashed: INFO: rcu detected stall in net_tx_action run #6: crashed: INFO: rcu detected stall in futex run #7: crashed: INFO: rcu detected stall in ieee80211_tasklet_handler run #8: crashed: INFO: rcu detected stall in ieee80211_tasklet_handler run #9: crashed: no output from test machine representative crash: INFO: rcu detected stall in deferred_put_nlk_sk, types: [HANG] testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8a211b7e884c6e2ab7c370419b55f02aaa3ea8775103de23c20174219ae86c36 run #0: crashed: INFO: rcu detected stall in deferred_put_nlk_sk run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work run #3: crashed: INFO: rcu detected stall in nsim_dev_trap_report_work 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 representative crash: no output from test machine, types: [UNKNOWN] testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3629dbbdbb7b5c46c187ceaa0e5ab46b7b4eef4188d9b380325ae0c34c5e7935 run #0: crashed: INFO: rcu detected stall in ieee80211_tasklet_handler run #1: crashed: INFO: rcu detected stall in deferred_put_nlk_sk run #2: crashed: INFO: rcu detected stall in sys_futex run #3: crashed: INFO: rcu detected stall in netlink_sendmsg run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: no output from test machine run #6: crashed: INFO: rcu detected stall in tc_modify_qdisc run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3230576974" "root@10.128.0.66:./syz-executor3230576974"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.66, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.66 [10.128.0.66] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.0.66 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in ieee80211_tasklet_handler, types: [HANG UNKNOWN] testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: dc3b4b596b7498445e0e1c79036679d18b3e1cb2ee69c633b4b87f4d62a84938 run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in delayed_put_task_struct run #2: crashed: INFO: rcu detected stall in packet_release run #3: crashed: INFO: rcu detected stall in deferred_put_nlk_sk run #4: crashed: BUG: soft lockup in smp_call_function run #5: crashed: INFO: rcu detected stall in __put_task_struct run #6: crashed: no output from test machine run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4292988984" "root@10.128.0.68:./syz-executor4292988984"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.68, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.68 [10.128.0.68] port 22. debug1: connect to address 10.128.0.68 port 22: Connection timed out ssh: connect to host 10.128.0.68 port 22: Connection timed out scp: Connection closed run #8: crashed: no output from test machine run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4034967323" "root@10.128.10.53:./syz-executor4034967323"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.53, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.53 [10.128.10.53] port 22. debug1: connect to address 10.128.10.53 port 22: Connection timed out ssh: connect to host 10.128.10.53 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in do_idle, types: [HANG] testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ccee891050b2789f6099bec0666d54ce37795b7f094892cd276e1779396bb47a all runs: OK false negative chance: 0.000 # git bisect start 0ecfebd2b52404ae0c54a878c872bb93363ada36 8fe28cb58bcb235034b64cbbb7550a8a43fd88be Bisecting: 22163 revisions left to test after this (roughly 14 steps) [b5dd0c658c31b469ccff1b637e5124851e7a4a1c] Merge branch 'akpm' (patches from Andrew) testing commit b5dd0c658c31b469ccff1b637e5124851e7a4a1c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 45ca000592ad6f77f56c3d78b67effac176bbebf185d324e019e745311dce41f all runs: OK false negative chance: 0.000 # git bisect good b5dd0c658c31b469ccff1b637e5124851e7a4a1c Bisecting: 11579 revisions left to test after this (roughly 14 steps) [82efe439599439a5e1e225ce5740e6cfb777a7dd] Merge tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit 82efe439599439a5e1e225ce5740e6cfb777a7dd gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: df4fd821b78ee9bebf8f2b2a39e50f814b4990dddf6f619498b29df71e7a0f30 all runs: OK false negative chance: 0.000 # git bisect good 82efe439599439a5e1e225ce5740e6cfb777a7dd Bisecting: 5780 revisions left to test after this (roughly 13 steps) [ea5aee6d97fd2d4499b1eebc233861c1def70f06] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux testing commit ea5aee6d97fd2d4499b1eebc233861c1def70f06 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f6d6c0e9f96ee94d1d8781943f53bd87ad6319e731aac450d64b2d6832474882 run #0: crashed: INFO: rcu detected stall in __d_free run #1: crashed: INFO: rcu detected stall in worker_thread run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in __do_softirq run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3087587153" "root@10.128.1.173:./syz-executor3087587153"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.173, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.173 [10.128.1.173] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.1.173 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor643983155" "root@10.128.1.176:./syz-executor643983155"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.176, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.176 [10.128.1.176] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.1.176 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in __d_free, types: [HANG] # git bisect bad ea5aee6d97fd2d4499b1eebc233861c1def70f06 Bisecting: 2955 revisions left to test after this (roughly 12 steps) [2646719a48c21ba0cae82a3f57382a9573fd8400] Merge tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild testing commit 2646719a48c21ba0cae82a3f57382a9573fd8400 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 9f569804fc5c8f45251dcc32ef374809e572534e1cfc0aa698f4a1bdc8fc6785 run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc run #1: crashed: INFO: rcu detected stall in ieee80211_iface_work run #2: crashed: INFO: rcu detected stall in sys_futex run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: INFO: rcu detected stall in sys_futex run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: INFO: rcu detected stall in tc_modify_qdisc, types: [HANG UNKNOWN] # git bisect bad 2646719a48c21ba0cae82a3f57382a9573fd8400 Bisecting: 1421 revisions left to test after this (roughly 11 steps) [8c79f0ea5d6087645ed5ed5d638c338962052766] taprio: Fix potencial use of invalid memory during dequeue() testing commit 8c79f0ea5d6087645ed5ed5d638c338962052766 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6bff8d7c13eef52c4a5a7ac8a8ef2b9c0f5a52afc7b756849a526a5d02aed823 all runs: OK false negative chance: 0.000 # git bisect good 8c79f0ea5d6087645ed5ed5d638c338962052766 Bisecting: 694 revisions left to test after this (roughly 10 steps) [132d68d37d33f1d0b9c1f507c8b4d64c27ecec8a] Merge tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit 132d68d37d33f1d0b9c1f507c8b4d64c27ecec8a gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 413b45b7dbe599db99a976e4bc3215da6a7f0365f43ebc7134302f07e5b00316 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in sys_execve run #2: crashed: INFO: rcu detected stall in delayed_put_task_struct run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in __do_softirq run #5: crashed: INFO: rcu detected stall in __do_softirq run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1277954415" "root@10.128.0.195:./syz-executor1277954415"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.195, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.195 [10.128.0.195] port 22. debug1: connect to address 10.128.0.195 port 22: Connection timed out ssh: connect to host 10.128.0.195 port 22: Connection timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2046777832" "root@10.128.10.19:./syz-executor2046777832"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.19, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.19 [10.128.10.19] port 22. debug1: connect to address 10.128.10.19 port 22: Connection timed out ssh: connect to host 10.128.10.19 port 22: Connection timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4082643543" "root@10.128.10.33:./syz-executor4082643543"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.33, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.33 [10.128.10.33] port 22. debug1: connect to address 10.128.10.33 port 22: Connection timed out ssh: connect to host 10.128.10.33 port 22: Connection timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3059579589" "root@10.128.10.50:./syz-executor3059579589"] Executing: program /usr/bin/ssh host 10.128.10.50, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.50 [10.128.10.50] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.1 debug1: compat_banner: match: OpenSSH_9.1 pat OpenSSH* compat 0x04000000 debug1: Authenticating to 10.128.10.50:22 as 'root' debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory debug1: SSH2_MSG_KEXINIT sent representative crash: INFO: rcu detected stall in corrupted, types: [HANG] # git bisect bad 132d68d37d33f1d0b9c1f507c8b4d64c27ecec8a Bisecting: 362 revisions left to test after this (roughly 9 steps) [ba6223fc2f59a0a507e7a03203ab007042e13a4f] Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue testing commit ba6223fc2f59a0a507e7a03203ab007042e13a4f gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 61ea8dcb2d7705e5a837f4d68f1b9e3612c6b35c21c5aa0e1c23b5829c938f2e run #0: crashed: INFO: rcu detected stall in vmacache_update run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in debug_check_no_obj_freed run #3: crashed: INFO: rcu detected stall in __rseq_handle_notify_resume run #4: crashed: INFO: rcu detected stall in netlink_sendmsg run #5: crashed: INFO: rcu detected stall in sock_sendmsg run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4100476515" "root@10.128.10.17:./syz-executor4100476515"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.17, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.17 [10.128.10.17] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.10.17 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1755155038" "root@10.128.10.0:./syz-executor1755155038"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.0, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.0 [10.128.10.0] port 22. debug1: connect to address 10.128.10.0 port 22: Connection timed out ssh: connect to host 10.128.10.0 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in vmacache_update, types: [HANG] # git bisect bad ba6223fc2f59a0a507e7a03203ab007042e13a4f Bisecting: 181 revisions left to test after this (roughly 8 steps) [b85bd9a14c4b2722dc8764acdcce9b503e638760] rtw88: fix shift of more than 32 bits of a integer testing commit b85bd9a14c4b2722dc8764acdcce9b503e638760 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 2e7ce8c6d2ddc746fe852012bcc7f772db4c54536f27b69a22eab3e3d83b5c8c run #0: failed: failed to run binary in VM: broken console: Permission denied (publickey) run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good b85bd9a14c4b2722dc8764acdcce9b503e638760 Bisecting: 103 revisions left to test after this (roughly 7 steps) [18af9626d9f9ecc4d83951895fc6afa825d70bbe] Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue testing commit 18af9626d9f9ecc4d83951895fc6afa825d70bbe gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 795cb15191a2d6461a1b675fab0452f0eb623534590012abbe834bad47810b9e run #0: crashed: INFO: rcu detected stall in handle_mm_fault run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in __do_softirq run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in debug_check_no_obj_freed run #6: crashed: INFO: rcu detected stall in netdev_run_todo run #7: crashed: INFO: rcu detected stall in tc_modify_qdisc run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: INFO: rcu detected stall in handle_mm_fault, types: [HANG] # git bisect bad 18af9626d9f9ecc4d83951895fc6afa825d70bbe Bisecting: 38 revisions left to test after this (roughly 5 steps) [013fe01d45ed095189fd746e45fdf75016fec1f6] dt-bindings: net: dsa: Add documentation for NXP SJA1105 driver testing commit 013fe01d45ed095189fd746e45fdf75016fec1f6 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 795cb15191a2d6461a1b675fab0452f0eb623534590012abbe834bad47810b9e run #0: crashed: INFO: rcu detected stall in delayed_put_task_struct run #1: crashed: INFO: rcu detected stall in netlink_sendmsg run #2: crashed: INFO: rcu detected stall in find_vma run #3: crashed: INFO: rcu detected stall in __d_free run #4: crashed: INFO: rcu detected stall in __do_softirq run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: no output from test machine run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1411936376" "root@10.128.0.17:./syz-executor1411936376"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.17, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.17 [10.128.0.17] port 22. debug1: connect to address 10.128.0.17 port 22: Connection timed out ssh: connect to host 10.128.0.17 port 22: Connection timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3933364610" "root@10.128.0.82:./syz-executor3933364610"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.82, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.82 [10.128.0.82] port 22. debug1: connect to address 10.128.0.82 port 22: Connection timed out ssh: connect to host 10.128.0.82 port 22: Connection timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor22041267" "root@10.128.1.59:./syz-executor22041267"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.59, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.59 [10.128.1.59] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.1.59 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in delayed_put_task_struct, types: [HANG] # git bisect bad 013fe01d45ed095189fd746e45fdf75016fec1f6 Bisecting: 19 revisions left to test after this (roughly 4 steps) [6f16a4652262c2a27a241b30039c11ae01586641] net: mvpp2: cls: Remove extra whitespace in mvpp2_cls_flow_write testing commit 6f16a4652262c2a27a241b30039c11ae01586641 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 135ed2626d7a71413e6f32cb5d47cad4b146eeba505d171d3450b6ac145d865f run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in handle_mm_fault run #2: crashed: INFO: rcu detected stall in gc_worker 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 debug_check_no_obj_freed run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3973541680" "root@10.128.10.43:./syz-executor3973541680"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.43, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.43 [10.128.10.43] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.10.43 port 22 timed out scp: Connection closed run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1772568436" "root@10.128.10.42:./syz-executor1772568436"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.42, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.42 [10.128.10.42] port 22. debug1: connect to address 10.128.10.42 port 22: Connection timed out ssh: connect to host 10.128.10.42 port 22: Connection timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3347594500" "root@10.128.10.44:./syz-executor3347594500"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.44, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.44 [10.128.10.44] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.10.44 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1318933421" "root@10.128.10.46:./syz-executor1318933421"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.46, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.46 [10.128.10.46] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.10.46 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in do_idle, types: [HANG] # git bisect bad 6f16a4652262c2a27a241b30039c11ae01586641 Bisecting: 9 revisions left to test after this (roughly 3 steps) [a3246dc41aa3c9d799478ccc8dac5d19c509a923] net: ll_temac: Add support for non-native register endianness testing commit a3246dc41aa3c9d799478ccc8dac5d19c509a923 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 135ed2626d7a71413e6f32cb5d47cad4b146eeba505d171d3450b6ac145d865f run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: no output from test machine run #2: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor38686615" "root@10.128.1.140:./syz-executor38686615"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.140, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.140 [10.128.1.140] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.1.140 port 22 timed out scp: Connection closed run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2540909847" "root@10.128.1.114:./syz-executor2540909847"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.114, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.114 [10.128.1.114] port 22. debug1: connect to address 10.128.1.114 port 22: Connection timed out ssh: connect to host 10.128.1.114 port 22: Connection timed out scp: Connection closed run #6: crashed: no output from test machine run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2101365426" "root@10.128.10.47:./syz-executor2101365426"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.47, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.47 [10.128.10.47] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.10.47 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4271079176" "root@10.128.1.30:./syz-executor4271079176"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.30, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.30 [10.128.1.30] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.1.30 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1273987286" "root@10.128.10.40:./syz-executor1273987286"] Executing: program /usr/bin/ssh host 10.128.10.40, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.40 [10.128.10.40] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.1 debug1: compat_banner: match: OpenSSH_9.1 pat OpenSSH* compat 0x04000000 debug1: Authenticating to 10.128.10.40:22 as 'root' debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory debug1: SSH2_MSG_KEXINIT sent representative crash: no output from test machine, types: [UNKNOWN] # git bisect bad a3246dc41aa3c9d799478ccc8dac5d19c509a923 Bisecting: 4 revisions left to test after this (roughly 2 steps) [5b27aafa1ea011201625f5bcec62c791c59561bf] Merge branch 'net-sched-taprio-change-schedules' testing commit 5b27aafa1ea011201625f5bcec62c791c59561bf gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 135ed2626d7a71413e6f32cb5d47cad4b146eeba505d171d3450b6ac145d865f run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in smp_call_function run #2: crashed: INFO: rcu detected stall in ieee80211_iface_work run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2413206994" "root@10.128.1.28:./syz-executor2413206994"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.28, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.28 [10.128.1.28] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.1.28 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2091631313" "root@10.128.1.157:./syz-executor2091631313"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.157, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.157 [10.128.1.157] port 22. debug1: connect to address 10.128.1.157 port 22: Connection timed out ssh: connect to host 10.128.1.157 port 22: Connection timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3707468802" "root@10.128.1.159:./syz-executor3707468802"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.159, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.159 [10.128.1.159] port 22. debug1: connect to address 10.128.1.159 port 22: Connection timed out ssh: connect to host 10.128.1.159 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in do_idle, types: [HANG UNKNOWN] # git bisect bad 5b27aafa1ea011201625f5bcec62c791c59561bf Bisecting: 1 revision left to test after this (roughly 1 step) [6ca6a6654225f3cd001304d33429c817e0c0b85f] taprio: Add support for setting the cycle-time manually testing commit 6ca6a6654225f3cd001304d33429c817e0c0b85f gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: a9ece29efbad247fb845aec10c02dfd2aa47a154dcff29f36994ab43c6f12842 run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc run #1: crashed: INFO: rcu detected stall in sys_execve run #2: crashed: INFO: rcu detected stall in sys_futex run #3: crashed: INFO: rcu detected stall in schedule run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: INFO: rcu detected stall in corrupted 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: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor366801383" "root@10.128.0.155:./syz-executor366801383"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.155, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.155 [10.128.0.155] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u1 Connection timed out during banner exchange Connection to 10.128.0.155 port 22 timed out scp: Connection closed representative crash: INFO: rcu detected stall in tc_modify_qdisc, types: [HANG UNKNOWN] # git bisect bad 6ca6a6654225f3cd001304d33429c817e0c0b85f Bisecting: 0 revisions left to test after this (roughly 0 steps) [a3d43c0d56f1b94e74963a2fbadfb70126d92213] taprio: Add support adding an admin schedule testing commit a3d43c0d56f1b94e74963a2fbadfb70126d92213 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6022b6667ed2325771a6ae7508740743dfc311bbf1690704919a6a4df87e205a all runs: OK false negative chance: 0.000 # git bisect good a3d43c0d56f1b94e74963a2fbadfb70126d92213 6ca6a6654225f3cd001304d33429c817e0c0b85f is the first bad commit commit 6ca6a6654225f3cd001304d33429c817e0c0b85f Author: Vinicius Costa Gomes Date: Mon Apr 29 15:48:32 2019 -0700 taprio: Add support for setting the cycle-time manually IEEE 802.1Q-2018 defines that a the cycle-time of a schedule may be overridden, so the schedule is truncated to a determined "width". Signed-off-by: Vinicius Costa Gomes Signed-off-by: David S. Miller include/uapi/linux/pkt_sched.h | 1 + net/sched/sch_taprio.c | 59 ++++++++++++++++++++++++++++++++++++------ 2 files changed, 52 insertions(+), 8 deletions(-) accumulated error probability: 0.00 culprit signature: a9ece29efbad247fb845aec10c02dfd2aa47a154dcff29f36994ab43c6f12842 parent signature: 6022b6667ed2325771a6ae7508740743dfc311bbf1690704919a6a4df87e205a revisions tested: 35, total time: 7h54m37.067709128s (build: 2h51m30.146200213s, test: 4h48m35.702080145s) first bad commit: 6ca6a6654225f3cd001304d33429c817e0c0b85f taprio: Add support for setting the cycle-time manually recipients (to): ["davem@davemloft.net" "davem@davemloft.net" "jhs@mojatatu.com" "jiri@resnulli.us" "netdev@vger.kernel.org" "vinicius.gomes@intel.com" "xiyou.wangcong@gmail.com"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: INFO: rcu detected stall in tc_modify_qdisc rcu: INFO: rcu_sched detected stalls on CPUs/tasks: rcu: 1-...!: (1 ticks this GP) idle=336/1/0x4000000000000002 softirq=4442/4442 fqs=0 rcu: (detected by 0, t=10002 jiffies, g=1517, q=1798) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3443 Comm: syz-executor.0 Not tainted 5.1.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:lock_release+0x0/0x1c0 kernel/locking/lockdep.c:4220 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3b e7 3f 00 eb c5 4c 89 fa 4c 89 f6 48 89 df e8 0b f6 ff ff eb b5 e8 d4 21 fb ff 0f 1f 40 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 10 65 48 8b 04 25 RSP: 0018:ffff888237b03e68 EFLAGS: 00000002 RAX: 0000000000000000 RBX: ffffffff8358f008 RCX: 0000000000000000 RDX: ffffffff81512809 RSI: 0000000000000001 RDI: ffffffff8358f020 RBP: ffff888237b03e80 R08: 000000002def083b R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000054 R12: 0000000000000006 R13: ffffffff82879a80 R14: ffffffff8358f008 R15: 0000000000000006 FS: 00007f443353f6c0(0000) GS:ffff888237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44349e8da8 CR3: 000000022ed15000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_object_activate lib/debugobjects.c:498 [inline] debug_object_activate+0x159/0x1c0 lib/debugobjects.c:456 debug_hrtimer_activate kernel/time/hrtimer.c:407 [inline] debug_activate kernel/time/hrtimer.c:456 [inline] enqueue_hrtimer+0x20/0xb0 kernel/time/hrtimer.c:945 __run_hrtimer kernel/time/hrtimer.c:1404 [inline] __hrtimer_run_queues+0x281/0x2e0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0xf1/0x200 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x6d/0x160 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:skb_clone+0x0/0xb0 net/core/skbuff.c:1304 Code: 41 5e 41 5f 5d c3 48 c7 c6 48 c2 58 82 e8 f8 17 82 ff 0f 0b 45 31 c9 e9 dc fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <55> 48 85 ff 48 89 e5 41 54 41 89 f4 53 48 89 fb 74 13 8b 87 bc 00 RSP: 0018:ffffc90000e1b928 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000002 RBX: ffff88822f745d00 RCX: 0000000000000004 RDX: 00001ffffffffffe RSI: 0000000000000cc0 RDI: ffff88822f745d00 RBP: ffffc90000e1b950 R08: 0000000000000cc0 R09: 0000000000000000 R10: ffff88822f745d00 R11: 00000000000000d8 R12: 0000000000000d88 R13: 0000000000000cc0 R14: 00000000d40ad1c3 R15: ffff88822ecb8208 netlink_broadcast_filtered+0x35/0x400 net/netlink/af_netlink.c:1498 netlink_broadcast+0xe/0x10 net/netlink/af_netlink.c:1543 rtnetlink_send+0x40/0x80 net/core/rtnetlink.c:718 qdisc_notify.isra.13+0x91/0x120 net/sched/sch_api.c:983 tc_modify_qdisc+0x3cd/0x720 net/sched/sch_api.c:1629 rtnetlink_rcv_msg+0x2ed/0x3f0 net/core/rtnetlink.c:5214 netlink_rcv_skb+0x47/0x110 net/netlink/af_netlink.c:2486 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5232 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x1b0/0x250 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x208/0x3b0 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg net/socket.c:661 [inline] sock_sendmsg+0x2e/0x40 net/socket.c:656 ___sys_sendmsg+0x285/0x2e0 net/socket.c:2280 __sys_sendmsg+0x57/0xa0 net/socket.c:2318 __do_sys_sendmsg net/socket.c:2327 [inline] __se_sys_sendmsg net/socket.c:2325 [inline] __x64_sys_sendmsg+0x1a/0x20 net/socket.c:2325 do_syscall_64+0x4f/0x140 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f44339bcbe9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f443353f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4433adbf80 RCX: 00007f44339bcbe9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000006 RBP: 00007f4433a0847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f4433adbf80 R15: 00007ffddd213d38 rcu: rcu_sched kthread starved for 10002 jiffies! g1517 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_sched I14864 10 2 0x80080000 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x322/0x830 kernel/sched/core.c:3518 schedule+0x27/0x70 kernel/sched/core.c:3562 schedule_timeout+0x1f3/0x4a0 kernel/time/timer.c:1803 rcu_gp_fqs_loop kernel/rcu/tree.c:1971 [inline] rcu_gp_kthread+0x423/0x7f0 kernel/rcu/tree.c:2128 kthread+0x119/0x130 kernel/kthread.c:253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352