ci2 starts bisection 2024-11-28 10:08:56.258756968 +0000 UTC m=+57317.828505715 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: INFO: rcu detected stall in net_tx_action run #1: crashed: INFO: rcu detected stall in net_tx_action run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc run #3: crashed: INFO: rcu detected stall in net_tx_action run #4: crashed: INFO: rcu detected stall in tc_modify_qdisc run #5: crashed: INFO: rcu detected stall in linkwatch_event run #6: crashed: INFO: rcu detected stall in security_file_open run #7: crashed: INFO: rcu detected stall in net_tx_action 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: INFO: rcu detected stall in batadv_dat_purge run #12: crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet run #13: crashed: INFO: task hung in crda_timeout_work run #14: crashed: INFO: rcu detected stall in neigh_periodic_work run #15: crashed: INFO: rcu detected stall in addrconf_rs_timer run #16: crashed: INFO: rcu detected stall in neigh_periodic_work run #17: crashed: INFO: task hung in del_device_store run #18: crashed: INFO: rcu detected stall in batadv_dat_purge run #19: crashed: INFO: rcu detected stall in neigh_periodic_work representative crash: INFO: rcu detected stall in net_tx_action, 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 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 wg_packet_tx_worker run #1: crashed: INFO: task hung in corrupted run #2: crashed: INFO: task hung in corrupted run #3: crashed: INFO: rcu detected stall in do_idle run #4: crashed: INFO: rcu detected stall in __do_munmap run #5: crashed: BUG: soft lockup in smp_call_function run #6: crashed: INFO: task hung in addrconf_dad_work run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in gc_worker run #9: crashed: INFO: task hung in addrconf_verify_work representative crash: INFO: rcu detected stall in wg_packet_tx_worker, 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 [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], 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 smp_call_function 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: rcu detected stall in smp_call_function run #4: crashed: INFO: rcu detected stall in gc_worker run #5: crashed: INFO: rcu detected stall in do_idle run #6: crashed: INFO: rcu detected stall in do_idle run #7: crashed: INFO: rcu detected stall in bpf_prog_free_deferred run #8: crashed: INFO: rcu detected stall in smp_call_function run #9: crashed: INFO: rcu detected stall in gc_worker representative crash: INFO: rcu detected stall in smp_call_function, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 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: 59a0a8de9759d1a3c47cfdf8caeeb6b7ad8dbd7f2ec296cf686de825d0409044 run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in gc_worker run #2: crashed: INFO: rcu detected stall in smp_call_function run #3: crashed: INFO: rcu detected stall in gc_worker run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: task hung in addrconf_dad_work run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in dput run #8: crashed: INFO: rcu detected stall in do_idle run #9: crashed: INFO: rcu detected stall in security_file_open 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 [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: 369a258763bf1d9b5622ecafe5864c560dcba88b3663213d66085b0c76feeceb run #0: crashed: lost connection to test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: lost connection to test machine, types: [UNKNOWN] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 testing without sub-chunk 4/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], 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 do_idle run #1: crashed: INFO: rcu detected stall in do_idle run #2: crashed: INFO: rcu detected stall in do_idle run #3: crashed: INFO: rcu detected stall in call_usermodehelper_exec_async run #4: crashed: INFO: rcu detected stall in sys_unlinkat run #5: crashed: INFO: task hung in netdev_run_todo run #6: 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-executor471397621" "root@10.128.1.90:./syz-executor471397621"] Executing: program /usr/bin/ssh host 10.128.1.90, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.90 [10.128.1.90] 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+deb12u3 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 10.128.1.90:22 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 '10.128.1.90' (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 10.128.1.90 ([10.128.1.90]: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 run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in do_idle, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], 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 do_idle run #2: crashed: INFO: task hung in rtnetlink_rcv_msg run #3: crashed: INFO: rcu detected stall in do_idle run #4: crashed: INFO: rcu detected stall in do_idle run #5: crashed: INFO: rcu detected stall in gc_worker 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor561023561" "root@10.128.0.246:./syz-executor561023561"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.246, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.246 [10.128.0.246] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.246 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1568282721" "root@10.128.1.8:./syz-executor1568282721"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.8, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 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 #9: crashed: INFO: task hung in del_device_store 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 0a51d2d4527b43c5e467ffa6897deefeaf499358 testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b6fd5eafd1b4aca22575d9239d938a2efd0ce6be3592da17f4d8463d868815f run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: rcu detected stall in gc_worker run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in gc_worker run #4: crashed: INFO: rcu detected stall in corrupted 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-executor1433265209" "root@10.128.15.197:./syz-executor1433265209"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.197, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.197 [10.128.15.197] port 22. debug1: connect to address 10.128.15.197 port 22: Connection timed out ssh: connect to host 10.128.15.197 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-executor193418027" "root@10.128.0.237:./syz-executor193418027"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.237, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u3, OpenSSL 3.0.14 4 Jun 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.237 [10.128.0.237] 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+deb12u3 Connection timed out during banner exchange Connection to 10.128.0.237 port 22 timed out scp: Connection closed run #7: OK run #8: OK 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: 1h49m26.495074061s (build: 21m15.041048058s, test: 1h26m51.452070651s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.173 crash: INFO: task hung in synchronize_rcu INFO: task syz-executor.2:4725 blocked for more than 143 seconds. Not tainted 5.15.173-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:14264 pid: 4725 ppid: 2023 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x2c8/0x7d0 kernel/sched/core.c:6373 schedule+0x53/0x90 kernel/sched/core.c:6456 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:11008 packet_release+0x33c/0x580 net/packet/af_packet.c:3189 __sock_release+0x47/0xd0 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1336 __fput+0xf7/0x420 fs/file_table.c:280 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: 0033:0x7fb46f70fa1a RSP: 002b:00007fffb7f03110 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fb46f70fa1a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fb46f831980 R08: 0000001b31960000 R09: 00007fffb7f26080 R10: 00007fffb7f26090 R11: 0000000000000293 R12: 0000000000019ec0 R13: ffffffffffffffff R14: 00007fb46f294000 R15: 0000000000019b7f INFO: task syz-executor.5:4727 blocked for more than 144 seconds. Not tainted 5.15.173-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:14168 pid: 4727 ppid: 2010 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x2c8/0x7d0 kernel/sched/core.c:6373 schedule+0x53/0x90 kernel/sched/core.c:6456 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:11008 packet_release+0x33c/0x580 net/packet/af_packet.c:3189 __sock_release+0x47/0xd0 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1336 __fput+0xf7/0x420 fs/file_table.c:280 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: 0033:0x7f07905cba1a RSP: 002b:00007ffd25507340 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f07905cba1a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b30d60000 R09: 00007f07906ebf8c R10: 00007ffd25507490 R11: 0000000000000293 R12: 00007f07901510f0 R13: ffffffffffffffff R14: 00007f0790150000 R15: 0000000000019ea4 Showing all locks held in the system: 4 locks held by kworker/u4:0/9: #0: ffff888114a34138 ((wq_completion)phy13){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888114a34138 ((wq_completion)phy13){....}-{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: ffff888114a38c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114a38c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888114b21710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 1 lock held by khungtaskd/25: #0: ffffffff837a2700 (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: ffff88811484c938 ((wq_completion)phy7){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff88811484c938 ((wq_completion)phy7){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000011fe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000011fe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114850c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114850c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888114811710 (&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: ffff88811484f538 ((wq_completion)phy9){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff88811484f538 ((wq_completion)phy9){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000089fe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000089fe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff88811485cc40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff88811485cc40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff8881149a9710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff8881149a9710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff8881149a9710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 4 locks held by kworker/u4:3/73: #0: ffff888113aac538 ((wq_completion)phy10){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113aac538 ((wq_completion)phy10){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900008cfe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900008cfe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114a10c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114a10c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff8881149f1710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 2 locks held by getty/1206: #0: ffff8881023ab898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x60 drivers/tty/tty_ldisc.c:252 #1: ffffc900025f72e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x899/0xa20 drivers/tty/n_tty.c:2158 4 locks held by kworker/u4:4/1706: #0: ffff888113a7f938 ((wq_completion)phy6){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888113a7f938 ((wq_completion)phy6){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc90001b03e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc90001b03e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114848c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114848c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888114931710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888114931710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888114931710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 4 locks held by kworker/u4:5/2022: #0: ffff888114a37938 ((wq_completion)phy15){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888114a37938 ((wq_completion)phy15){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900014d3e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900014d3e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114a44c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114a44c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888114c11710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888114c11710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888114c11710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 4 locks held by kworker/u4:6/2027: #0: ffff888114a36138 ((wq_completion)phy14){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888114a36138 ((wq_completion)phy14){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900014f3e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900014f3e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114a3cc40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114a3cc40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888114bf1710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 4 locks held by kworker/u4:7/2321: #0: ffff888114a2a938 ((wq_completion)phy12){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888114a2a938 ((wq_completion)phy12){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900016bbe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900016bbe68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114a30c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114a30c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888114b01710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888114b01710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888114b01710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 2 locks held by kworker/0:5/2571: 4 locks held by kworker/u4:8/3373: #0: ffff888114a1cd38 ((wq_completion)phy11){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888114a1cd38 ((wq_completion)phy11){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000156be68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000156be68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114a20c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114a20c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_work+0x3a/0x5a0 net/mac80211/ibss.c:1685 #3: ffff888114a91710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline] #3: ffff888114a91710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline] #3: ffff888114a91710 (&local->sta_mtx){....}-{3:3}, at: ieee80211_ibss_work+0x1fa/0x5a0 net/mac80211/ibss.c:1713 2 locks held by syz-executor.4/4716: #0: ffff88811442ea90 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #0: ffff88811442ea90 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 #1: ffffffff837a3168 (rcu_state.exp_mutex){....}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #1: ffffffff837a3168 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0xe6/0x390 kernel/rcu/tree_exp.h:845 1 lock held by syz-executor.2/4725: #0: ffff88810d97c990 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #0: ffff88810d97c990 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 1 lock held by syz-executor.5/4727: #0: ffff88810049ea90 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #0: ffff88810049ea90 (&sb->s_type->i_mutex_key#10){....}-{3:3}, at: __sock_release+0x3d/0xd0 net/socket.c:648 2 locks held by kworker/u4:10/4796: #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc900015e3e68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc900015e3e68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 4 locks held by kworker/u4:11/4797: #0: ffff88811484dd38 ((wq_completion)phy8){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff88811484dd38 ((wq_completion)phy8){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc90001623e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc90001623e68 ((work_completion)(&sdata->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #2: ffff888114854c40 (&wdev->mtx){....}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline] #2: ffff888114854c40 (&wdev->mtx){....}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0x4e/0x12a0 net/mac80211/ibss.c:1632 #3: ffff888114819710 (&local->sta_mtx){....}-{3:3}, at: sta_info_destroy_addr+0x26/0x120 net/mac80211/sta_info.c:1144 2 locks held by kworker/u4:12/4798: #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000162be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000162be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 2 locks held by kworker/u4:14/4802: #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000164be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000164be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 2 locks held by kworker/u4:15/4804: #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000165be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000165be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 2 locks held by kworker/u4:16/4806: #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #0: ffff888100068938 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 #1: ffffc9000166be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline] #1: ffffc9000166be68 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_one_work+0x26e/0x660 kernel/workqueue.c:2273 1 lock held by dhcpcd/4823: #0: ffff8881153b1120 (sk_lock-AF_PACKET){....}-{0:0}, at: lock_sock include/net/sock.h:1678 [inline] #0: ffff8881153b1120 (sk_lock-AF_PACKET){....}-{0:0}, at: packet_do_bind+0x32/0x550 net/packet/af_packet.c:3227 1 lock held by dhcpcd/4824: #0: ffff8881153b0120 (sk_lock-AF_PACKET){....}-{0:0}, at: lock_sock include/net/sock.h:1678 [inline] #0: ffff8881153b0120 (sk_lock-AF_PACKET){....}-{0:0}, at: packet_do_bind+0x32/0x550 net/packet/af_packet.c:3227 1 lock held by dhcpcd/4825: #0: ffff8881153b2120 (sk_lock-AF_PACKET){....}-{0:0}, at: lock_sock include/net/sock.h:1678 [inline] #0: ffff8881153b2120 (sk_lock-AF_PACKET){....}-{0:0}, at: packet_do_bind+0x32/0x550 net/packet/af_packet.c:3227 4 locks held by modprobe/4856: 1 lock held by modprobe/4910: ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+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:210 [inline] watchdog+0x78d/0x7d0 kernel/hung_task.c:295 kthread+0x13a/0x160 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4856 Comm: modprobe Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x1/0x12 Code: b1 07 39 c1 75 dc c3 cc cc 51 52 56 57 41 50 41 51 41 52 41 53 e8 5f 05 00 00 41 5b 41 5a 41 59 41 58 5f 5e 5a 59 c3 66 90 52 01 00 00 00 31 d2 f0 0f b0 17 3c 01 75 02 5a c3 56 0f b6 f0 e8 RSP: 0000:ffffc90000003e88 EFLAGS: 00000086 RAX: 0000000000000000 RBX: ffff888114bee340 RCX: ffffc90000003e6c RDX: 0000000000000003 RSI: ffff888114bee300 RDI: ffff888114bee2e8 RBP: ffff888114bee2e8 R08: 0000000000080633 R09: 0000000000000000 R10: 180c1fa52952aba4 R11: ffff888237c2b770 R12: ffff88811489a2a0 R13: ffff888114a82540 R14: 180c1fa52952bba3 R15: 0000000000000fff FS: 00007f38dd551380(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f38dd73ef18 CR3: 000000010ff07000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:590 [inline] queued_spin_unlock arch/x86/include/asm/qspinlock.h:56 [inline] do_raw_spin_unlock+0x50/0xa0 kernel/locking/spinlock_debug.c:141 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock+0x1a/0x20 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:403 [inline] advance_sched+0x150/0x250 net/sched/sch_taprio.c:765 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x1db/0x4a0 kernel/time/hrtimer.c:1752 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:_compound_head include/linux/page-flags.h:198 [inline] RIP: 0010:PageLocked include/linux/page-flags.h:342 [inline] RIP: 0010:next_uptodate_page+0x72/0x5a0 mm/filemap.c:3254 Code: 0f 84 82 03 00 00 e8 cd b5 f7 ff 89 eb 31 ff 83 e3 01 89 de e8 ff b7 f7 ff 84 db 0f 85 b7 01 00 00 e8 b2 b5 f7 ff 4c 8b 65 08 <31> ff 48 89 eb 4d 89 e7 41 83 e7 01 4c 89 fe e8 3a b8 f7 ff 4d 85 RSP: 0000:ffffc9000014fcf0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81317881 RDX: ffff888114b651c0 RSI: ffffffff8131788e RDI: 0000000000000001 RBP: ffffea0008ff9640 R08: 0000000000020015 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00042f1fc8 R13: ffffc9000014fd78 R14: 0000000000000161 R15: 0000000000000161 next_map_page mm/filemap.c:3296 [inline] filemap_map_pages+0x5c0/0x760 mm/filemap.c:3352 do_fault_around mm/memory.c:4241 [inline] do_read_fault mm/memory.c:4256 [inline] do_fault mm/memory.c:4390 [inline] handle_pte_fault mm/memory.c:4648 [inline] __handle_mm_fault+0x119a/0x15d0 mm/memory.c:4783 handle_mm_fault+0x1ad/0x470 mm/memory.c:4881 do_user_addr_fault arch/x86/mm/fault.c:1357 [inline] handle_page_fault arch/x86/mm/fault.c:1445 [inline] exc_page_fault+0x3d1/0xdf0 arch/x86/mm/fault.c:1501 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7f38dd68d409 Code: 48 8d 15 de 19 0b 00 48 63 04 aa 48 01 d0 ff e0 b8 00 04 00 00 e9 11 01 00 00 83 fd 2d 0f 87 73 ff ff ff 48 8d 15 97 1a 0b 00 <48> 63 04 aa 48 01 d0 ff e0 b8 00 00 01 00 e9 ee 00 00 00 48 83 c4 RSP: 002b:00007fff1c987af0 EFLAGS: 00010283 RAX: 00000000ffffff65 RBX: 00007f38dd5ca4f8 RCX: 0000000000000002 RDX: 00007f38dd73eea0 RSI: 00007fff1c987c28 RDI: 000000000000001e RBP: 000000000000001e R08: 0000000000000000 R09: 000000000000000d R10: 00007fff1c987860 R11: 0000000000000246 R12: 0000000000000004 R13: 00007fff1c987c28 R14: 00007fff1c987c50 R15: 0000000000000000