ci2 starts bisection 2025-03-19 09:41:47.070363805 +0000 UTC m=+24624.269244487 bisecting fixing commit since f67653019430833d5003f16817d7fa85272a6a76 building syzkaller on 79782afcff30fd0c0af8c2725d508b2c7150f3ed ensuring issue is reproducible on original commit f67653019430833d5003f16817d7fa85272a6a76 testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ca8d915bbc10d0ca8493a5596e52874e606af9cb436c350bcc27ee3d675ecae run #0: crashed: WARNING in __cfg80211_ibss_joined run #1: crashed: INFO: rcu detected stall in net_tx_action 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 net_tx_action run #5: crashed: INFO: rcu detected stall in net_tx_action run #6: crashed: BUG: soft lockup in tc_modify_qdisc run #7: crashed: BUG: soft lockup in tc_modify_qdisc run #8: crashed: INFO: rcu detected stall in net_tx_action run #9: crashed: INFO: rcu detected stall in net_tx_action run #10: crashed: INFO: rcu detected stall in gc_worker run #11: crashed: BUG: soft lockup in smp_call_function run #12: crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet run #13: crashed: INFO: rcu detected stall in batadv_bla_periodic_work run #14: crashed: INFO: rcu detected stall in smp_call_function run #15: crashed: BUG: soft lockup in sys_openat run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet run #18: crashed: BUG: soft lockup in gc_worker run #19: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in net_tx_action, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25b8a55c506ac4f136f9128e2bc101ef1d8cce92291e0f3d66aecbd065865537 run #0: crashed: INFO: rcu detected stall in sys_exit_group run #1: crashed: INFO: rcu detected stall in smp_call_function run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: task hung in regdb_fw_cb run #4: crashed: INFO: task hung in rtnetlink_rcv_msg run #5: crashed: INFO: rcu detected stall in do_idle run #6: crashed: INFO: rcu detected stall in do_idle run #7: crashed: INFO: task hung in netdev_run_todo run #8: crashed: INFO: rcu detected stall in do_idle 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1406067363" "root@10.128.1.96:./syz-executor1406067363"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.96, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.96 [10.128.1.96] port 22. debug1: connect to address 10.128.1.96 port 22: Connection timed out ssh: connect to host 10.128.1.96 port 22: Connection timed out scp: Connection closed representative crash: INFO: rcu detected stall in sys_exit_group, 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=3706 full=7269 leaves diff=1988 split chunks (needed=false): <1988> split chunk #0 of len 1988 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bf857de54d6f8d2a3bef2cbf585c46c8f2ea595ca995e95f0a50d568c60309a3 run #0: crashed: INFO: rcu detected stall in sys_exit_group run #1: crashed: INFO: rcu detected stall in do_idle run #2: crashed: INFO: task hung in crda_timeout_work run #3: crashed: INFO: rcu detected stall in security_file_open run #4: crashed: INFO: rcu detected stall in sys_syslog run #5: crashed: INFO: rcu detected stall in do_idle run #6: crashed: INFO: rcu detected stall in gc_worker run #7: crashed: INFO: rcu detected stall in smp_call_function run #8: crashed: INFO: task hung in corrupted run #9: crashed: INFO: rcu detected stall in sys_syslog representative crash: INFO: rcu detected stall in sys_exit_group, 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 f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 59a0a8de9759d1a3c47cfdf8caeeb6b7ad8dbd7f2ec296cf686de825d0409044 run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in smp_call_function run #2: crashed: BUG: soft lockup in gc_worker run #3: crashed: INFO: rcu detected stall in smp_call_function run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode run #6: crashed: INFO: rcu detected stall in sys_syslog run #7: crashed: INFO: rcu detected stall in gc_worker run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: no output from test machine representative crash: INFO: rcu detected stall in do_idle, 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 f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 369a258763bf1d9b5622ecafe5864c560dcba88b3663213d66085b0c76feeceb 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 f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dbcc141320335f383da112fb290a55007e52929bccc17b8d36a916f59a17d926 run #0: crashed: INFO: rcu detected stall in clone run #1: crashed: INFO: task hung in rtnetlink_rcv_msg run #2: crashed: INFO: task hung in __netlink_dump_start run #3: crashed: INFO: rcu detected stall in __do_softirq run #4: crashed: INFO: rcu detected stall in smp_call_function run #5: crashed: INFO: rcu detected stall in gc_worker run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in clone, 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 f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 35ba97dc3f415fcc23905175230925e9600729c37d2ab9002dd97d6ebc109e82 run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in gc_worker run #2: crashed: BUG: soft lockup in smp_call_function run #3: crashed: INFO: rcu detected stall in sys_syslog run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in do_idle run #7: crashed: INFO: task hung in rtnetlink_rcv_msg run #8: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor238265356" "root@10.128.0.119:./syz-executor238265356"] Executing: program /usr/bin/ssh host 10.128.0.119, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.119 [10.128.0.119] 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+deb12u4 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 10.128.0.119:22 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 debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: sntrup761x25519-sha512@openssh.com debug1: kex: host key algorithm: ssh-ed25519 debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: SSH2_MSG_KEX_ECDH_REPLY received debug1: Server host key: ssh-ed25519 SHA256:g5LT3corcdQiP3+7S3QNYL7lzLWO1gp/6X86Qtf82jk 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 Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. debug1: rekey out after 134217728 blocks debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: rekey in after 134217728 blocks debug1: Will attempt key: /root/.ssh/id_rsa debug1: Will attempt key: /root/.ssh/id_ecdsa debug1: Will attempt key: /root/.ssh/id_ecdsa_sk debug1: Will attempt key: /root/.ssh/id_ed25519 debug1: Will attempt key: /root/.ssh/id_ed25519_sk debug1: Will attempt key: /root/.ssh/id_xmss debug1: Will attempt key: /root/.ssh/id_dsa debug1: SSH2_MSG_EXT_INFO received debug1: kex_input_ext_info: server-sig-algs= debug1: kex_input_ext_info: publickey-hostbound@openssh.com=<0> debug1: SSH2_MSG_SERVICE_ACCEPT received Authenticated to 10.128.0.119 ([10.128.0.119]:22) using "none". debug1: channel 0: new session [client-session] (inactive timeout: 0) debug1: Requesting no-more-sessions@openssh.com debug1: Entering interactive session. debug1: pledge: network debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0 run #9: OK representative crash: INFO: rcu detected stall in do_idle, types: [HANG] the chunk can be dropped minimized to 398 configs; suspects: [ATM AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHECKPOINT_RESTORE DVB_CORE FB 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 ISDN 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_INTEL KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LDM_PARTITION LEDS_TRIGGER_AUDIO LEGACY_PTYS 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_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 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_BLK ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY 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 NETFS_SUPPORT 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_CGROUP NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_CLS_RSVP NET_CLS_RSVP6 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_EGRESS 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_ATM NET_SCH_CAKE NET_SCH_CBQ NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_DSMARK 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_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_V2_ACL NFSD_V3 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_COUNTER 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_OBJREF 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_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_FLOW_TABLE_IPV4 NF_FLOW_TABLE_IPV6 NF_NAT_AMANDA NF_NAT_H323 NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 PARTITION_ADVANCED PSAMPLE RFKILL SPI USB_GADGET USB_MUSB_HDRC VIDEO_DEV VIDEO_V4L2 WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 0c935c049b5c196b83b968c72d348ae6fff83ea2 testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 37705e43fb3de44e90f598b44241abdace135a146f20393d4d5415c900c8b74b run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: rcu detected stall in vm_area_alloc run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: task hung in nsim_dev_trap_report_work run #4: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor108725732" "root@10.128.10.60:./syz-executor108725732"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.60, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.60 [10.128.10.60] port 22. debug1: connect to address 10.128.10.60 port 22: Connection timed out ssh: connect to host 10.128.10.60 port 22: Connection timed out scp: Connection closed 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1200159187" "root@10.128.10.62:./syz-executor1200159187"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.62, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.62 [10.128.10.62] port 22. debug1: connect to address 10.128.10.62 port 22: Connection timed out ssh: connect to host 10.128.10.62 port 22: Connection timed out scp: Connection closed 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor4155233247" "root@10.128.10.56:./syz-executor4155233247"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.56, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.56 [10.128.10.56] port 22. debug1: connect to address 10.128.10.56 port 22: Connection timed out ssh: connect to host 10.128.10.56 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3036367865" "root@10.128.10.59:./syz-executor3036367865"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.59, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.59 [10.128.10.59] port 22. debug1: connect to address 10.128.10.59 port 22: Connection timed out ssh: connect to host 10.128.10.59 port 22: Connection timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2918531658" "root@10.128.10.4:./syz-executor2918531658"] Executing: program /usr/bin/ssh host 10.128.10.4, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.4 [10.128.10.4] 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+deb12u4 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 10.128.10.4:22 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 debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: sntrup761x25519-sha512@openssh.com debug1: kex: host key algorithm: ssh-ed25519 debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: SSH2_MSG_KEX_ECDH_REPLY received debug1: Server host key: ssh-ed25519 SHA256:g5LT3corcdQiP3+7S3QNYL7lzLWO1gp/6X86Qtf82jk 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 Warning: Permanently added '10.128.10.4' (ED25519) to the list of known hosts. debug1: rekey out after 134217728 blocks debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: rekey in after 134217728 blocks debug1: Will attempt key: /root/.ssh/id_rsa debug1: Will attempt key: /root/.ssh/id_ecdsa debug1: Will attempt key: /root/.ssh/id_ecdsa_sk debug1: Will attempt key: /root/.ssh/id_ed25519 debug1: Will attempt key: /root/.ssh/id_ed25519_sk debug1: Will attempt key: /root/.ssh/id_xmss debug1: Will attempt key: /root/.ssh/id_dsa debug1: SSH2_MSG_EXT_INFO received debug1: kex_input_ext_info: server-sig-algs= debug1: kex_input_ext_info: publickey-hostbound@openssh.com=<0> debug1: SSH2_MSG_SERVICE_ACCEPT received Authenticated to 10.128.10.4 ([10.128.10.4]:22) using "none". debug1: channel 0: new session [client-session] (inactive timeout: 0) debug1: Requesting no-more-sessions@openssh.com debug1: Entering interactive session. debug1: pledge: network debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0 debug1: Sending subsystem: sftp debug1: pledge: fork scp: debug1: stat remote: No such file or directory run #9: OK representative crash: INFO: task hung in synchronize_rcu, types: [HANG] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h57m39.612112575s (build: 24m27.967019611s, test: 1h23m24.36417142s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.179 crash: INFO: task hung in synchronize_rcu INFO: task syz-executor.2:4685 blocked for more than 143 seconds. Not tainted 5.15.179-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:14344 pid: 4685 ppid: 2000 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5029 [inline] __schedule+0x2c8/0x7d0 kernel/sched/core.c:6375 schedule+0x53/0x90 kernel/sched/core.c:6458 exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline] synchronize_rcu_expedited+0x370/0x390 kernel/rcu/tree_exp.h:845 synchronize_net+0x34/0x40 net/core/dev.c:11039 packet_release+0x33c/0x580 net/packet/af_packet.c:3175 __sock_release+0x47/0xd0 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1336 __fput+0xf9/0x420 fs/file_table.c:311 task_work_run+0x73/0xb0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:181 [inline] exit_to_user_mode_prepare+0x196/0x1a0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:307 do_syscall_64+0x40/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd568a54a1a RSP: 002b:00007fff900a19c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd568a54a1a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b30760000 R09: 00007fd568b74f8c R10: 00007fff900a1b10 R11: 0000000000000293 R12: 00007fd5685da0f0 R13: ffffffffffffffff R14: 00007fd5685d9000 R15: 000000000001fd1f INFO: task syz-executor.0:4686 blocked for more than 143 seconds. Not tainted 5.15.179-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:14152 pid: 4686 ppid: 2007 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5029 [inline] __schedule+0x2c8/0x7d0 kernel/sched/core.c:6375 schedule+0x53/0x90 kernel/sched/core.c:6458 exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline] synchronize_rcu_expedited+0x370/0x390 kernel/rcu/tree_exp.h:845 synchronize_net+0x34/0x40 net/core/dev.c:11039 packet_release+0x33c/0x580 net/packet/af_packet.c:3175 __sock_release+0x47/0xd0 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1336 __fput+0xf9/0x420 fs/file_table.c:311 task_work_run+0x73/0xb0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:181 [inline] exit_to_user_mode_prepare+0x196/0x1a0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:307 do_syscall_64+0x40/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f1ed1ce9a1a RSP: 002b:00007ffd57ba0490 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f1ed1ce9a1a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b30860000 R09: 00007f1ed1e09f8c R10: 00007ffd57ba05e0 R11: 0000000000000293 R12: 00007f1ed186f0f0 R13: ffffffffffffffff R14: 00007f1ed186e000 R15: 000000000001fc56 INFO: task syz-executor.4:4695 blocked for more than 144 seconds. Not tainted 5.15.179-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:14344 pid: 4695 ppid: 2015 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5029 [inline] __schedule+0x2c8/0x7d0 kernel/sched/core.c:6375 schedule+0x53/0x90 kernel/sched/core.c:6458 exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline] synchronize_rcu_expedited+0x370/0x390 kernel/rcu/tree_exp.h:845 synchronize_net+0x34/0x40 net/core/dev.c:11039 packet_release+0x33c/0x580 net/packet/af_packet.c:3175 __sock_release+0x47/0xd0 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1336 __fput+0xf9/0x420 fs/file_table.c:311 task_work_run+0x73/0xb0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:181 [inline] exit_to_user_mode_prepare+0x196/0x1a0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:307 do_syscall_64+0x40/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f22bb6dca1a RSP: 002b:00007ffc2ca8bb10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f22bb6dca1a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b31160000 R09: 00007f22bb7fcf8c R10: 00007ffc2ca8bc60 R11: 0000000000000293 R12: 00007f22bb2620f0 R13: ffffffffffffffff R14: 00007f22bb261000 R15: 000000000001fd3e Showing all locks held in the system: 4 locks held by kworker/u4:0/9: #0: ffff888101faf538 ((wq_completion)phy6){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888101faf538 ((wq_completion)phy6){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc90000053e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc90000053e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888113c6cc40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888113c6cc40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888113e19710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 4 locks held by kworker/1:0/19: 1 lock held by khungtaskd/25: #0: ffffffff837a2400 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2 kernel/locking/lockdep.c:6469 4 locks held by kworker/u4:1/54: #0: ffff888113e73938 ((wq_completion)phy13){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113e73938 ((wq_completion)phy13){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000010fe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000010fe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888113e78c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888113e78c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888113f49710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 4 locks held by kworker/u4:2/66: #0: ffff888113c54d38 ((wq_completion)phy11){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113c54d38 ((wq_completion)phy11){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900008afe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900008afe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888113e5cc40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888113e5cc40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888113ec1710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 4 locks held by kworker/u4:3/71: #0: ffff888113c44d38 ((wq_completion)phy12){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113c44d38 ((wq_completion)phy12){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900008bfe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900008bfe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888113e74c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888113e74c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888113ee9710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888113ee9710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888113ee9710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 4 locks held by kworker/u4:4/756: #0: ffff8881011f2138 ((wq_completion)phy7){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff8881011f2138 ((wq_completion)phy7){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc90002393e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc90002393e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888101994c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888101994c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff8881132d1710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff8881132d1710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff8881132d1710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 2 locks held by getty/1218: #0: ffff88810aeea898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x60 drivers/tty/tty_ldisc.c:252 #1: ffffc900028272e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x899/0xa20 drivers/tty/n_tty.c:2158 4 locks held by syz-execprog/1985: #0: ffff888114b0b6f0 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x90/0xd0 fs/file.c:1058 #1: ffff88810daf83f0 (&type->i_mutex_dir_key#3){....}-{3:3}, at: iterate_dir+0x6c/0x2f0 fs/readdir.c:55 #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: file_accessed include/linux/fs.h:2521 [inline] #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: iterate_dir+0x1d9/0x2f0 fs/readdir.c:70 #3: ffff88810afa3990 (jbd2_handle){....}-{0:0}, at: start_this_handle+0x1d8/0x700 fs/jbd2/transaction.c:423 4 locks held by syz-execprog/1993: #0: ffff888114b0baf0 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x90/0xd0 fs/file.c:1058 #1: ffff88810da6a950 (&type->i_mutex_dir_key#3){....}-{3:3}, at: iterate_dir+0x6c/0x2f0 fs/readdir.c:55 #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: file_accessed include/linux/fs.h:2521 [inline] #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: iterate_dir+0x1d9/0x2f0 fs/readdir.c:70 #3: ffff88810afa3990 (jbd2_handle){....}-{0:0}, at: start_this_handle+0x1d8/0x700 fs/jbd2/transaction.c:423 4 locks held by syz-execprog/2002: #0: ffff888114b0b2f0 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x90/0xd0 fs/file.c:1058 #1: ffff88810da69ff8 (&type->i_mutex_dir_key#3){....}-{3:3}, at: iterate_dir+0x6c/0x2f0 fs/readdir.c:55 #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: file_accessed include/linux/fs.h:2521 [inline] #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: iterate_dir+0x1d9/0x2f0 fs/readdir.c:70 #3: ffff88810afa3990 (jbd2_handle){....}-{0:0}, at: start_this_handle+0x1d8/0x700 fs/jbd2/transaction.c:423 4 locks held by syz-execprog/2008: #0: ffff888114b0b8f0 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x90/0xd0 fs/file.c:1058 #1: ffff88810da696a0 (&type->i_mutex_dir_key#3){....}-{3:3}, at: iterate_dir+0x6c/0x2f0 fs/readdir.c:55 #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: file_accessed include/linux/fs.h:2521 [inline] #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: iterate_dir+0x1d9/0x2f0 fs/readdir.c:70 #3: ffff88810afa3990 (jbd2_handle){....}-{0:0}, at: start_this_handle+0x1d8/0x700 fs/jbd2/transaction.c:423 4 locks held by syz-execprog/4697: #0: ffff888114b0b4f0 (&f->f_pos_lock){....}-{3:3}, at: __fdget_pos+0x90/0xd0 fs/file.c:1058 #1: ffff88810da6eab8 (&type->i_mutex_dir_key#3){....}-{3:3}, at: iterate_dir+0x6c/0x2f0 fs/readdir.c:55 #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: file_accessed include/linux/fs.h:2521 [inline] #2: ffff88810afa7438 (sb_writers#4){....}-{0:0}, at: iterate_dir+0x1d9/0x2f0 fs/readdir.c:70 #3: ffff88810afa3990 (jbd2_handle){....}-{0:0}, at: start_this_handle+0x1d8/0x700 fs/jbd2/transaction.c:423 1 lock held by syz-executor.1/1999: #0: ffffffff837a2e68 (rcu_state.exp_mutex){....}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #0: ffffffff837a2e68 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0xe6/0x390 kernel/rcu/tree_exp.h:845 4 locks held by kworker/u4:6/2021: #0: ffff888113c70d38 ((wq_completion)phy8){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113c70d38 ((wq_completion)phy8){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900014fbe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900014fbe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888113e50c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888113e50c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888113e29710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888113e29710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888113e29710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 4 locks held by kworker/u4:7/2044: #0: ffff888113c72538 ((wq_completion)phy9){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113c72538 ((wq_completion)phy9){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900014dbe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900014dbe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888110508c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888110508c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888113e49710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 4 locks held by kworker/u4:9/4475: #0: ffff888113c72d38 ((wq_completion)phy10){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113c72d38 ((wq_completion)phy10){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900015a3e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900015a3e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888113e58c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888113e58c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888113e91710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888113e91710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888113e91710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 1 lock held by syz-executor.2/4685: #0: ffff88810da22e10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #0: ffff88810da22e10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 1 lock held by syz-executor.0/4686: #0: ffff88810da20d10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #0: ffff88810da20d10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 2 locks held by syz-executor.3/4688: #0: ffff888114100d10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #0: ffff888114100d10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 #1: ffffffff837a2e68 (rcu_state.exp_mutex){....}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #1: ffffffff837a2e68 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0xe6/0x390 kernel/rcu/tree_exp.h:845 1 lock held by syz-executor.4/4695: #0: ffff88810db25a10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #0: ffff88810db25a10 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 1 lock held by syz-executor.0/4701: #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: __rtnl_newlink+0x52b/0xe60 net/core/rtnetlink.c:3471 1 lock held by syz-executor.3/4705: #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x1f6/0x5f0 net/core/rtnetlink.c:5644 1 lock held by syz-executor.4/4707: #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x1f6/0x5f0 net/core/rtnetlink.c:5644 1 lock held by syz-executor.2/4708: #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x1f6/0x5f0 net/core/rtnetlink.c:5644 1 lock held by syz-executor.5/4722: #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff838bfd68 (rtnl_mutex){....}-{3:3}, at: rtnetlink_rcv_msg+0x1f6/0x5f0 net/core/rtnetlink.c:5644 1 lock held by dhcpcd/4878: #0: ffff8881149f0120 (sk_lock-AF_PACKET){....}-{0:0}, at: lock_sock include/net/sock.h:1684 [inline] #0: ffff8881149f0120 (sk_lock-AF_PACKET){....}-{0:0}, at: packet_do_bind+0x32/0x550 net/packet/af_packet.c:3213 1 lock held by dhcpcd/4879: #0: ffff8881149f1120 (sk_lock-AF_PACKET){....}-{0:0}, at: lock_sock include/net/sock.h:1684 [inline] #0: ffff8881149f1120 (sk_lock-AF_PACKET){....}-{0:0}, at: packet_do_bind+0x32/0x550 net/packet/af_packet.c:3213 1 lock held by dhcpcd/4880: #0: ffff8881149f2120 (sk_lock-AF_PACKET){....}-{0:0}, at: lock_sock include/net/sock.h:1684 [inline] #0: ffff8881149f2120 (sk_lock-AF_PACKET){....}-{0:0}, at: packet_do_bind+0x32/0x550 net/packet/af_packet.c:3213 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8e/0xdd lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x46/0xde lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x11b/0x150 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0x78d/0x7d0 kernel/hung_task.c:369 kthread+0x13a/0x160 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_power_efficient gc_worker RIP: 0010:do_raw_write_seqcount_barrier include/linux/seqlock.h:616 [inline] RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1666 [inline] RIP: 0010:__hrtimer_run_queues+0x11c/0x4a0 kernel/time/hrtimer.c:1752 Code: 0f a3 05 97 d4 78 02 41 0f 92 c4 31 ff 44 89 e6 e8 79 ed 06 00 45 84 e4 0f 85 f5 02 00 00 e8 8b f5 06 00 49 89 ad c8 00 00 00 <83> 43 10 01 83 43 10 01 31 ff 0f b6 45 38 4d 8b a5 80 00 00 00 c6 RSP: 0018:ffffc900000b8f10 EFLAGS: 00000046 RAX: 0000000000010000 RBX: ffff888237d1de80 RCX: ffffffff81224147 RDX: ffff8881002951c0 RSI: ffffffff81224155 RDI: 0000000000000001 RBP: ffff888113c51b40 R08: 0000000000080000 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000332c R12: 0000000000000001 R13: ffff888237d1de00 R14: ffff888237d1dd80 R15: 182e310bad309609 FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555592100818 CR3: 000000010e46a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hrtimer_interrupt+0x124/0x2a0 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x63/0x100 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x6d/0x90 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:lock_release+0x20/0x220 kernel/locking/lockdep.c:5631 Code: 66 2e 0f 1f 84 00 00 00 00 00 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 <31> c0 0f 1f 44 00 00 65 8b 05 a2 4a e3 7e 89 c0 48 0f a3 05 f8 0a RSP: 0018:ffffc900000abda8 EFLAGS: 00000282 RAX: d0c240d7d72dcb00 RBX: 000000000006d3e1 RCX: ffffffff8227aa84 RDX: ffff8881002951c0 RSI: ffffffff8227af0a RDI: ffffffff837a2400 RBP: ffffffff837a2400 R08: 00000000000a0355 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000005a R12: 0000000000000000 R13: ffffffff8227af0a R14: 0000000000000000 R15: 0000000000001770 rcu_lock_release include/linux/rcupdate.h:317 [inline] rcu_read_unlock include/linux/rcupdate.h:772 [inline] gc_worker+0x68c/0xa10 net/netfilter/nf_conntrack_core.c:1543 process_one_work+0x32a/0x660 kernel/workqueue.c:2310 worker_thread+0x5b/0x520 kernel/workqueue.c:2457 kthread+0x13a/0x160 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287