Warning: Permanently added '10.128.1.84' (ED25519) to the list of known hosts. 2025/09/06 14:28:17 parsed 1 programs [ 24.756631][ T24] audit: type=1400 audit(1757168897.670:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.777359][ T24] audit: type=1400 audit(1757168897.670:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 24.797195][ T24] audit: type=1400 audit(1757168897.670:66): avc: denied { module_request } for pid=275 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 25.736768][ T24] audit: type=1400 audit(1757168898.650:67): avc: denied { mounton } for pid=282 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.738032][ T282] cgroup: Unknown subsys name 'net' [ 25.759448][ T24] audit: type=1400 audit(1757168898.650:68): avc: denied { mount } for pid=282 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.786696][ T24] audit: type=1400 audit(1757168898.670:69): avc: denied { unmount } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.786900][ T282] cgroup: Unknown subsys name 'devices' [ 25.896864][ T282] cgroup: Unknown subsys name 'hugetlb' [ 25.902470][ T282] cgroup: Unknown subsys name 'rlimit' [ 26.050812][ T24] audit: type=1400 audit(1757168898.960:70): avc: denied { setattr } for pid=282 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.074041][ T24] audit: type=1400 audit(1757168898.960:71): avc: denied { create } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.082823][ T285] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.094455][ T24] audit: type=1400 audit(1757168898.960:72): avc: denied { write } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.123312][ T24] audit: type=1400 audit(1757168898.960:73): avc: denied { read } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.143673][ T282] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.652296][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 26.716408][ T292] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 27.141868][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.149063][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.156892][ T331] device bridge_slave_0 entered promiscuous mode [ 27.180630][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.199234][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.206726][ T331] device bridge_slave_1 entered promiscuous mode [ 27.296029][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.303114][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.310433][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.317492][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.338184][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.346859][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.354137][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.378147][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.386950][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.393996][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.401640][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.411218][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.418325][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.425693][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.433616][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.444847][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.455840][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.463894][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.471902][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.480339][ T331] device veth0_vlan entered promiscuous mode 2025/09/06 14:28:20 executed programs: 0 [ 27.490629][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.499731][ T331] device veth1_macvtap entered promiscuous mode [ 27.509677][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.519658][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.721064][ T357] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.728179][ T357] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.735734][ T357] device bridge_slave_0 entered promiscuous mode [ 27.743483][ T357] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.750552][ T357] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.758222][ T357] device bridge_slave_1 entered promiscuous mode [ 27.785726][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.792785][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.800365][ T361] device bridge_slave_0 entered promiscuous mode [ 27.807372][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.814403][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.821843][ T361] device bridge_slave_1 entered promiscuous mode [ 27.853337][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.860418][ T358] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.867934][ T358] device bridge_slave_0 entered promiscuous mode [ 27.889916][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.897007][ T358] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.904341][ T358] device bridge_slave_1 entered promiscuous mode [ 27.933246][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.940626][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.948046][ T360] device bridge_slave_0 entered promiscuous mode [ 27.957426][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.964461][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.972002][ T360] device bridge_slave_1 entered promiscuous mode [ 28.016963][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.024141][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.031793][ T363] device bridge_slave_0 entered promiscuous mode [ 28.040790][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.047857][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.055267][ T363] device bridge_slave_1 entered promiscuous mode [ 28.208030][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.216020][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.231375][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.239877][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.248422][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.255503][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.263101][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.271816][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.280055][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.287092][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.294462][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.346593][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.354987][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.363417][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.371997][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.379496][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.387792][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.396250][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.403363][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.410910][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.419225][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.427465][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.435002][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.442616][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.450224][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.457672][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.465973][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.474091][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.481160][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.488605][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.496951][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.505194][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.512230][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.519645][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.527091][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.534472][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.542118][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.549509][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.557703][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.565812][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.574041][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.582266][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.589393][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.596917][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.605376][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.613537][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.620601][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.628095][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.636152][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.649950][ T361] device veth0_vlan entered promiscuous mode [ 28.666247][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.674489][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.682131][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.689795][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.698854][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.706930][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.714402][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.721887][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.729536][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.737243][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.744825][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.753178][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.761697][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.770203][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.777290][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.784786][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.792926][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.800934][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.820133][ T361] device veth1_macvtap entered promiscuous mode [ 28.827566][ T360] device veth0_vlan entered promiscuous mode [ 28.835103][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.843431][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.852499][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.860843][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.867920][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.882241][ T357] device veth0_vlan entered promiscuous mode [ 28.899797][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.907978][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.918090][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.926353][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.934450][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.942966][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.951212][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.959228][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 28.967657][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.976120][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 28.984333][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.999982][ T360] device veth1_macvtap entered promiscuous mode [ 29.010888][ T357] device veth1_macvtap entered promiscuous mode [ 29.030178][ T358] device veth0_vlan entered promiscuous mode [ 29.036580][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.044733][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.053465][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.061803][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.070343][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.078770][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.087270][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.095856][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.103646][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.111871][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.120007][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.128227][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.135823][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.143193][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.150644][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.161166][ T363] device veth0_vlan entered promiscuous mode [ 29.175330][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.183754][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 168.955059][ T26] INFO: task kworker/u4:2:48 blocked for more than 122 seconds. [ 168.962891][ T26] Not tainted syzkaller #0 [ 169.174978][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 169.183698][ T26] task:kworker/u4:2 state:D stack: 0 pid: 48 ppid: 2 flags:0x10004000 [ 169.635031][ T26] Workqueue: netns cleanup_net [ 169.639876][ T26] Call Trace: [ 169.643171][ T26] __schedule+0xb47/0x1310 [ 169.955005][ T26] ? release_firmware_map_entry+0x190/0x190 [ 169.960937][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 170.275012][ T26] ? __kasan_check_write+0x14/0x20 [ 170.280168][ T26] ? kthread_data+0x50/0xc0 [ 170.284673][ T26] ? wq_worker_sleeping+0x60/0x200 [ 170.645005][ T26] schedule+0x13c/0x1d0 [ 170.649202][ T26] schedule_preempt_disabled+0x13/0x20 [ 170.654661][ T26] __mutex_lock+0x6c0/0xc50 [ 171.025040][ T26] ? pcpu_free_area+0x9be/0xbe0 [ 171.029934][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 171.324998][ T26] ? free_percpu+0xfd/0xa10 [ 171.329545][ T26] __mutex_lock_slowpath+0xe/0x10 [ 171.334569][ T26] mutex_lock+0xcf/0xe0 [ 171.685005][ T26] ? mutex_trylock+0xa0/0xa0 [ 171.689639][ T26] ? kobject_put+0x1a8/0x270 [ 171.694235][ T26] ? put_device+0x1f/0x30 [ 172.024998][ T26] ? free_netdev+0x384/0x480 [ 172.029640][ T26] rtnl_lock+0x15/0x20 [ 172.033729][ T26] netdev_run_todo+0xb38/0xd20 [ 172.385002][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 172.390250][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 172.695005][ T26] ? list_netdevice+0x4c0/0x4c0 [ 172.699903][ T26] ? mutex_lock+0xcf/0xe0 [ 172.704246][ T26] ? mutex_trylock+0xa0/0xa0 [ 173.075003][ T26] ? list_netdevice+0x4c0/0x4c0 [ 173.079974][ T26] rtnl_unlock+0xe/0x10 [ 173.084128][ T26] ip_tunnel_delete_nets+0x348/0x390 [ 173.415277][ T26] ? ip_tunnel_bind_dev+0x700/0x700 [ 173.420530][ T26] ? xfrmi6_err+0x640/0x640 [ 173.695012][ T26] ipgre_exit_batch_net+0x22/0x30 [ 173.700075][ T26] ? ipgre_init_net+0x30/0x30 [ 173.704756][ T26] cleanup_net+0x5fb/0xb70 [ 174.045007][ T26] ? __kasan_check_write+0x14/0x20 [ 174.050247][ T26] ? ops_init+0x4a0/0x4a0 [ 174.054582][ T26] ? read_word_at_a_time+0x12/0x20 [ 174.435233][ T26] ? strscpy+0x9b/0x290 [ 174.439447][ T26] process_one_work+0x6e1/0xba0 [ 174.444297][ T26] worker_thread+0xa6a/0x13b0 [ 174.796150][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 174.801650][ T26] kthread+0x346/0x3d0 [ 175.065026][ T26] ? worker_clr_flags+0x190/0x190 [ 175.070088][ T26] ? kthread_blkcg+0xd0/0xd0 [ 175.074686][ T26] ret_from_fork+0x1f/0x30 [ 175.435049][ T26] INFO: task kworker/u4:3:323 blocked for more than 129 seconds. [ 175.442805][ T26] Not tainted syzkaller #0 [ 175.774981][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 175.783776][ T26] task:kworker/u4:3 state:D stack: 0 pid: 323 ppid: 2 flags:0x10004000 [ 176.235084][ T26] Workqueue: events_unbound linkwatch_event [ 176.241006][ T26] Call Trace: [ 176.244302][ T26] __schedule+0xb47/0x1310 [ 176.605079][ T26] ? release_firmware_map_entry+0x190/0x190 [ 176.611017][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 176.905018][ T26] ? __kasan_check_write+0x14/0x20 [ 176.910186][ T26] ? kthread_data+0x50/0xc0 [ 176.914692][ T26] ? wq_worker_sleeping+0x60/0x200 [ 177.315009][ T26] schedule+0x13c/0x1d0 [ 177.319201][ T26] schedule_preempt_disabled+0x13/0x20 [ 177.324741][ T26] __mutex_lock+0x6c0/0xc50 [ 177.675025][ T26] ? __kasan_check_read+0x11/0x20 [ 177.680089][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 177.985022][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 177.990255][ T26] __mutex_lock_slowpath+0xe/0x10 [ 178.244987][ T26] mutex_lock+0xcf/0xe0 [ 178.249176][ T26] ? mutex_trylock+0xa0/0xa0 [ 178.253768][ T26] ? __schedule+0xb4f/0x1310 [ 178.605018][ T26] ? read_word_at_a_time+0x12/0x20 [ 178.610195][ T26] rtnl_lock+0x15/0x20 [ 178.614265][ T26] linkwatch_event+0xe/0x60 [ 178.945017][ T26] process_one_work+0x6e1/0xba0 [ 178.949913][ T26] worker_thread+0xa6a/0x13b0 [ 178.954598][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 179.355110][ T26] ? __kasan_check_read+0x11/0x20 [ 179.360179][ T26] kthread+0x346/0x3d0 [ 179.364242][ T26] ? worker_clr_flags+0x190/0x190 [ 179.714998][ T26] ? kthread_blkcg+0xd0/0xd0 [ 179.719635][ T26] ret_from_fork+0x1f/0x30 [ 180.006256][ T26] INFO: task syz-executor:357 blocked for more than 133 seconds. [ 180.014083][ T26] Not tainted syzkaller #0 [ 180.325001][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 180.333787][ T26] task:syz-executor state:D stack: 0 pid: 357 ppid: 355 flags:0x10004000 [ 180.775001][ T26] Call Trace: [ 180.778341][ T26] __schedule+0xb47/0x1310 [ 180.782766][ T26] ? release_firmware_map_entry+0x190/0x190 [ 181.124995][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 181.130153][ T26] ? __kasan_check_write+0x14/0x20 [ 181.444992][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 181.450837][ T26] schedule+0x13c/0x1d0 [ 181.714996][ T26] schedule_preempt_disabled+0x13/0x20 [ 181.720576][ T26] __mutex_lock+0x6c0/0xc50 [ 181.954995][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 181.961898][ T26] ? cap_capable+0x19c/0x220 [ 182.255022][ T26] __mutex_lock_slowpath+0xe/0x10 [ 182.260169][ T26] mutex_lock+0xcf/0xe0 [ 182.264325][ T26] ? mutex_trylock+0xa0/0xa0 [ 182.624991][ T26] ? ns_capable+0x8c/0xf0 [ 182.629358][ T26] ? netlink_net_capable+0x125/0x160 [ 182.634654][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 183.024996][ T26] ? rtnetlink_bind+0x80/0x80 [ 183.029707][ T26] ? arch_stack_walk+0xee/0x140 [ 183.034560][ T26] ? stack_trace_save+0x98/0xe0 [ 183.405011][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 183.410174][ T26] ? memcpy+0x56/0x70 [ 183.414155][ T26] ? avc_has_perm+0x234/0x360 [ 183.764994][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 183.770063][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 184.025042][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 184.030018][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 184.325000][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 184.330407][ T26] netlink_rcv_skb+0x1e0/0x430 [ 184.605000][ T26] ? rtnetlink_bind+0x80/0x80 [ 184.609724][ T26] ? netlink_ack+0xb80/0xb80 [ 184.614326][ T26] ? __netlink_lookup+0x387/0x3b0 [ 184.945000][ T26] rtnetlink_rcv+0x1c/0x20 [ 184.949452][ T26] netlink_unicast+0x876/0xa40 [ 184.954233][ T26] netlink_sendmsg+0x88d/0xb30 [ 185.315042][ T26] ? netlink_getsockopt+0x530/0x530 [ 185.320276][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 185.615023][ T26] __sys_sendto+0x41d/0x580 [ 185.619567][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 185.624953][ T26] ? security_file_free+0xc7/0xe0 [ 185.890043][ T26] ? unlock_page_memcg+0x110/0x110 [ 186.155013][ T26] ? fpu__clear_all+0x20/0x20 [ 186.159735][ T26] ? task_work_run+0x170/0x190 [ 186.164502][ T26] __x64_sys_sendto+0xe5/0x100 [ 186.545037][ T26] do_syscall_64+0x31/0x40 [ 186.549486][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 186.795020][ T26] RIP: 0033:0x7f1879665a23 [ 186.799471][ T26] RSP: 002b:00007ffe5cc6f458 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 187.145014][ T26] RAX: ffffffffffffffda RBX: 00007f187a3c9620 RCX: 00007f1879665a23 [ 187.153124][ T26] RDX: 0000000000000040 RSI: 00007f187a3c9670 RDI: 0000000000000003 [ 187.564983][ T26] RBP: 0000000000000001 R08: 00007ffe5cc6f474 R09: 000000000000000c [ 187.573030][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 187.974988][ T26] R13: 0000000000000000 R14: 00007f187a3c9670 R15: 0000000000000000 [ 188.225321][ T26] INFO: task syz-executor:358 blocked for more than 142 seconds. [ 188.233086][ T26] Not tainted syzkaller #0 [ 188.554974][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 188.563690][ T26] task:syz-executor state:D stack: 0 pid: 358 ppid: 354 flags:0x10004000 [ 189.024975][ T26] Call Trace: [ 189.028313][ T26] __schedule+0xb47/0x1310 [ 189.032741][ T26] ? release_firmware_map_entry+0x190/0x190 [ 189.364996][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 189.370175][ T26] ? __kasan_check_write+0x14/0x20 [ 189.664991][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 189.670844][ T26] schedule+0x13c/0x1d0 [ 189.905020][ T26] schedule_preempt_disabled+0x13/0x20 [ 189.910514][ T26] __mutex_lock+0x6c0/0xc50 [ 190.165016][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 190.171829][ T26] ? cap_capable+0x19c/0x220 [ 190.465003][ T26] __mutex_lock_slowpath+0xe/0x10 [ 190.470116][ T26] mutex_lock+0xcf/0xe0 [ 190.474291][ T26] ? mutex_trylock+0xa0/0xa0 [ 190.825034][ T26] ? ns_capable+0x8c/0xf0 [ 190.829410][ T26] ? netlink_net_capable+0x125/0x160 [ 190.834695][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 191.215019][ T26] ? rtnetlink_bind+0x80/0x80 [ 191.219740][ T26] ? arch_stack_walk+0xee/0x140 [ 191.224601][ T26] ? stack_trace_save+0x98/0xe0 [ 191.585047][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 191.590204][ T26] ? memcpy+0x56/0x70 [ 191.594200][ T26] ? avc_has_perm+0x234/0x360 [ 191.975012][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 191.980080][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 192.225007][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 192.230114][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 192.525012][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 192.530432][ T26] netlink_rcv_skb+0x1e0/0x430 [ 192.785017][ T26] ? rtnetlink_bind+0x80/0x80 [ 192.789840][ T26] ? netlink_ack+0xb80/0xb80 [ 192.794438][ T26] ? __netlink_lookup+0x387/0x3b0 [ 193.154988][ T26] rtnetlink_rcv+0x1c/0x20 [ 193.159458][ T26] netlink_unicast+0x876/0xa40 [ 193.164225][ T26] netlink_sendmsg+0x88d/0xb30 [ 193.524998][ T26] ? netlink_getsockopt+0x530/0x530 [ 193.530248][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 193.814994][ T26] __sys_sendto+0x41d/0x580 [ 193.819545][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 193.824923][ T26] ? security_file_free+0xc7/0xe0 [ 194.215027][ T26] ? unlock_page_memcg+0x110/0x110 [ 194.220263][ T26] ? ____fput+0x15/0x20 [ 194.224419][ T26] __x64_sys_sendto+0xe5/0x100 [ 194.585000][ T26] do_syscall_64+0x31/0x40 [ 194.589463][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 194.834992][ T26] RIP: 0033:0x7f9ac4169a23 [ 194.839442][ T26] RSP: 002b:00007ffd78ce91d8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 195.185021][ T26] RAX: ffffffffffffffda RBX: 00007f9ac4ecd620 RCX: 00007f9ac4169a23 [ 195.193041][ T26] RDX: 0000000000000040 RSI: 00007f9ac4ecd670 RDI: 0000000000000003 [ 195.614983][ T26] RBP: 0000000000000001 R08: 00007ffd78ce91f4 R09: 000000000000000c [ 195.623000][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 196.044980][ T26] R13: 0000000000000000 R14: 00007f9ac4ecd670 R15: 0000000000000000 [ 196.245001][ T26] INFO: task syz-executor:360 blocked for more than 150 seconds. [ 196.252761][ T26] Not tainted syzkaller #0 [ 196.605002][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 196.613716][ T26] task:syz-executor state:D stack: 0 pid: 360 ppid: 356 flags:0x10004000 [ 197.044967][ T26] Call Trace: [ 197.048300][ T26] __schedule+0xb47/0x1310 [ 197.052724][ T26] ? release_firmware_map_entry+0x190/0x190 [ 197.415008][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 197.420167][ T26] ? __kasan_check_write+0x14/0x20 [ 197.694985][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 197.700832][ T26] schedule+0x13c/0x1d0 [ 197.954990][ T26] schedule_preempt_disabled+0x13/0x20 [ 197.960585][ T26] __mutex_lock+0x6c0/0xc50 [ 198.235008][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 198.241807][ T26] ? cap_capable+0x19c/0x220 [ 198.534993][ T26] __mutex_lock_slowpath+0xe/0x10 [ 198.540068][ T26] mutex_lock+0xcf/0xe0 [ 198.544234][ T26] ? mutex_trylock+0xa0/0xa0 [ 198.884999][ T26] ? ns_capable+0x8c/0xf0 [ 198.889544][ T26] ? netlink_net_capable+0x125/0x160 [ 198.894839][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 199.275018][ T26] ? rtnetlink_bind+0x80/0x80 [ 199.279732][ T26] ? arch_stack_walk+0xee/0x140 [ 199.284767][ T26] ? stack_trace_save+0x98/0xe0 [ 199.665011][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 199.670268][ T26] ? memcpy+0x56/0x70 [ 199.674257][ T26] ? avc_has_perm+0x234/0x360 [ 200.025026][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 200.030089][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 200.295020][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 200.300003][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 200.575015][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 200.580434][ T26] netlink_rcv_skb+0x1e0/0x430 [ 200.844991][ T26] ? rtnetlink_bind+0x80/0x80 [ 200.849715][ T26] ? netlink_ack+0xb80/0xb80 [ 200.854320][ T26] ? __netlink_lookup+0x387/0x3b0 [ 201.204994][ T26] rtnetlink_rcv+0x1c/0x20 [ 201.209462][ T26] netlink_unicast+0x876/0xa40 [ 201.214246][ T26] netlink_sendmsg+0x88d/0xb30 [ 201.585015][ T26] ? netlink_getsockopt+0x530/0x530 [ 201.590255][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 201.854982][ T26] __sys_sendto+0x41d/0x580 [ 201.859531][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 201.864906][ T26] ? security_file_free+0xc7/0xe0 [ 202.265020][ T26] ? unlock_page_memcg+0x110/0x110 [ 202.270288][ T26] ? ____fput+0x15/0x20 [ 202.274455][ T26] __x64_sys_sendto+0xe5/0x100 [ 202.634983][ T26] do_syscall_64+0x31/0x40 [ 202.639446][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 202.904979][ T26] RIP: 0033:0x7f19418c9a23 [ 202.909428][ T26] RSP: 002b:00007ffc40b4c8c8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 203.245008][ T26] RAX: ffffffffffffffda RBX: 00007f194262d620 RCX: 00007f19418c9a23 [ 203.253021][ T26] RDX: 0000000000000040 RSI: 00007f194262d670 RDI: 0000000000000003 [ 203.665226][ T26] RBP: 0000000000000001 R08: 00007ffc40b4c8e4 R09: 000000000000000c [ 203.673240][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 204.095011][ T26] R13: 0000000000000000 R14: 00007f194262d670 R15: 0000000000000000 [ 204.314979][ T26] INFO: task syz-executor:363 blocked for more than 158 seconds. [ 204.322729][ T26] Not tainted syzkaller #0 [ 204.655008][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 204.663716][ T26] task:syz-executor state:D stack: 0 pid: 363 ppid: 362 flags:0x10004000 [ 205.124969][ T26] Call Trace: [ 205.128312][ T26] __schedule+0xb47/0x1310 [ 205.132739][ T26] ? release_firmware_map_entry+0x190/0x190 [ 205.475006][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 205.480260][ T26] ? __kasan_check_write+0x14/0x20 [ 205.754987][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 205.760832][ T26] schedule+0x13c/0x1d0 [ 206.025005][ T26] schedule_preempt_disabled+0x13/0x20 [ 206.030505][ T26] __mutex_lock+0x6c0/0xc50 [ 206.275001][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 206.281813][ T26] ? cap_capable+0x19c/0x220 [ 206.575005][ T26] __mutex_lock_slowpath+0xe/0x10 [ 206.580116][ T26] mutex_lock+0xcf/0xe0 [ 206.584285][ T26] ? mutex_trylock+0xa0/0xa0 [ 206.965002][ T26] ? ns_capable+0x8c/0xf0 [ 206.969372][ T26] ? netlink_net_capable+0x125/0x160 [ 206.974665][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 207.335065][ T26] ? rtnetlink_bind+0x80/0x80 [ 207.339787][ T26] ? arch_stack_walk+0xee/0x140 [ 207.344645][ T26] ? stack_trace_save+0x98/0xe0 [ 207.705000][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 207.710154][ T26] ? memcpy+0x56/0x70 [ 207.714146][ T26] ? avc_has_perm+0x234/0x360 [ 208.074994][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 208.080060][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 208.364979][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 208.369950][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 208.615007][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 208.620422][ T26] netlink_rcv_skb+0x1e0/0x430 [ 208.884985][ T26] ? rtnetlink_bind+0x80/0x80 [ 208.889708][ T26] ? netlink_ack+0xb80/0xb80 [ 208.894307][ T26] ? __netlink_lookup+0x387/0x3b0 [ 209.285028][ T26] rtnetlink_rcv+0x1c/0x20 [ 209.289496][ T26] netlink_unicast+0x876/0xa40 [ 209.294267][ T26] netlink_sendmsg+0x88d/0xb30 [ 209.645017][ T26] ? netlink_getsockopt+0x530/0x530 [ 209.650256][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 209.895016][ T26] __sys_sendto+0x41d/0x580 [ 209.899562][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 210.194978][ T26] ? security_file_free+0xc7/0xe0 [ 210.200049][ T26] ? unlock_page_memcg+0x110/0x110 [ 210.425011][ T26] ? ____fput+0x15/0x20 [ 210.429210][ T26] __x64_sys_sendto+0xe5/0x100 [ 210.433982][ T26] do_syscall_64+0x31/0x40 [ 210.804995][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 210.810934][ T26] RIP: 0033:0x7fc11fba4a23 [ 211.064997][ T26] RSP: 002b:00007ffd03050958 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 211.073454][ T26] RAX: ffffffffffffffda RBX: 00007fc120908620 RCX: 00007fc11fba4a23 [ 211.514992][ T26] RDX: 0000000000000040 RSI: 00007fc120908670 RDI: 0000000000000003 [ 211.523005][ T26] RBP: 0000000000000001 R08: 00007ffd03050974 R09: 000000000000000c [ 211.914985][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 211.922995][ T26] R13: 0000000000000000 R14: 00007fc120908670 R15: 0000000000000000 [ 212.335009][ T26] INFO: task kworker/1:3:378 blocked for more than 166 seconds. [ 212.342682][ T26] Not tainted syzkaller #0 [ 212.704968][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.713678][ T26] task:kworker/1:3 state:D stack: 0 pid: 378 ppid: 2 flags:0x10004000 [ 213.145017][ T26] Workqueue: ipv6_addrconf addrconf_dad_work [ 213.151044][ T26] Call Trace: [ 213.154340][ T26] __schedule+0xb47/0x1310 [ 213.505003][ T26] ? release_firmware_map_entry+0x190/0x190 [ 213.510943][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 213.814985][ T26] ? wq_worker_sleeping+0x196/0x200 [ 213.820238][ T26] schedule+0x13c/0x1d0 [ 213.824404][ T26] schedule_preempt_disabled+0x13/0x20 [ 214.194984][ T26] __mutex_lock+0x6c0/0xc50 [ 214.199723][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 214.504983][ T26] ? __kasan_check_write+0x14/0x20 [ 214.510145][ T26] ? __switch_to+0x50f/0xfc0 [ 214.514752][ T26] __mutex_lock_slowpath+0xe/0x10 [ 214.914980][ T26] mutex_lock+0xcf/0xe0 [ 214.919176][ T26] ? mutex_trylock+0xa0/0xa0 [ 214.923768][ T26] ? psi_group_change+0x7d3/0xe40 [ 215.264986][ T26] ? compat_start_thread+0x80/0x80 [ 215.270151][ T26] rtnl_lock+0x15/0x20 [ 215.274223][ T26] addrconf_dad_work+0xc4/0x1410 [ 215.635002][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 215.640234][ T26] ? finish_task_switch+0x12e/0x5a0 [ 215.894993][ T26] ? switch_mm_irqs_off+0x34d/0x9a0 [ 215.900229][ T26] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 216.184974][ T26] ? __schedule+0xb4f/0x1310 [ 216.189612][ T26] ? __kasan_check_read+0x11/0x20 [ 216.194642][ T26] ? read_word_at_a_time+0x12/0x20 [ 216.564990][ T26] ? strscpy+0x9b/0x290 [ 216.569182][ T26] process_one_work+0x6e1/0xba0 [ 216.574037][ T26] worker_thread+0xa6a/0x13b0 [ 216.934978][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 216.940568][ T26] ? __kasan_check_read+0x11/0x20 [ 217.224979][ T26] kthread+0x346/0x3d0 [ 217.229084][ T26] ? worker_clr_flags+0x190/0x190 [ 217.234127][ T26] ? kthread_blkcg+0xd0/0xd0 [ 217.604979][ T26] ret_from_fork+0x1f/0x30 [ 217.724999][ T26] NMI backtrace for cpu 1 [ 217.729379][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 217.736576][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 217.746631][ T26] Call Trace: [ 217.749934][ T26] __dump_stack+0x21/0x24 [ 217.754271][ T26] dump_stack_lvl+0x169/0x1d8 [ 217.758953][ T26] ? show_regs_print_info+0x18/0x18 [ 217.764154][ T26] ? sched_show_task+0x324/0x4a0 [ 217.769093][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 217.774041][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 217.780116][ T26] dump_stack+0x15/0x1c [ 217.784282][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 217.790266][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 217.796168][ T26] watchdog+0xe2e/0xf70 [ 217.800328][ T26] ? hungtask_pm_notify+0x50/0x50 [ 217.805358][ T26] ? __kasan_check_read+0x11/0x20 [ 217.810382][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 217.815326][ T26] kthread+0x346/0x3d0 [ 217.819405][ T26] ? hungtask_pm_notify+0x50/0x50 [ 217.824428][ T26] ? kthread_blkcg+0xd0/0xd0 [ 217.829022][ T26] ret_from_fork+0x1f/0x30 [ 217.833517][ T26] Sending NMI from CPU 1 to CPUs 0: [ 217.839082][ C0] NMI backtrace for cpu 0 [ 217.839092][ C0] CPU: 0 PID: 380 Comm: syz.6.20 Not tainted syzkaller #0 [ 217.839098][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 217.839102][ C0] RIP: 0010:fpu__restore_sig+0x9f9/0x1240 [ 217.839113][ C0] Code: 80 0f 00 00 b8 00 04 00 00 31 d2 48 0f ae 2f e8 ed ca ff ff e8 78 0a 00 00 bf 01 00 00 00 e8 ce 6f 1b 00 65 8b 1d c3 cb d9 7e <45> 31 ff 31 ff 89 de e8 ab 04 3b 00 85 db 0f 84 72 02 00 00 e8 ee [ 217.839117][ C0] RSP: 0018:ffffc90000db7b40 EFLAGS: 00000297 [ 217.839126][ C0] RAX: 0000000080000001 RBX: 0000000080000000 RCX: 0000000000000000 [ 217.839131][ C0] RDX: 0000000000000000 RSI: ffffffff84c7a6a0 RDI: 00000000ffffffff [ 217.839136][ C0] RBP: ffffc90000db7cf0 R08: dffffc0000000000 R09: ffffed102530e769 [ 217.839141][ C0] R10: ffffed102530e769 R11: 1ffff1102530e768 R12: dffffc0000000000 [ 217.839146][ C0] R13: 0000000000000340 R14: ffff888129873b40 R15: 0000000000000000 [ 217.839151][ C0] FS: 000055556c4ef500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 217.839155][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 217.839160][ C0] CR2: 0000000000000000 CR3: 0000000110b18000 CR4: 00000000003506b0 [ 217.839165][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 217.839170][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 217.839173][ C0] Call Trace: [ 217.839176][ C0] ? sysvec_irq_work+0xc8/0xd0 [ 217.839180][ C0] ? copy_fpstate_to_sigframe+0xb40/0xb40 [ 217.839183][ C0] ? __kasan_check_write+0x14/0x20 [ 217.839187][ C0] ? recalc_sigpending+0x1c4/0x230 [ 217.839190][ C0] ? __kasan_check_write+0x14/0x20 [ 217.839193][ C0] ? _copy_from_user+0x95/0xd0 [ 217.839197][ C0] __ia32_sys_rt_sigreturn+0x5d0/0x6c0 [ 217.839201][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 217.839204][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 217.839207][ C0] ? KSTK_ESP+0x60/0x60 [ 217.839210][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 217.839214][ C0] ? syscall_trace_enter+0x108/0x170 [ 217.839217][ C0] do_syscall_64+0x31/0x40 [ 217.839220][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 217.839223][ C0] RIP: 0033:0x7fda80bd7be9 [ 217.839241][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 217.839245][ C0] RSP: 002b:00007ffd484bfae8 EFLAGS: 00000246 [ 217.839252][ C0] RAX: 0000000000000000 RBX: 00007fda80e0efa8 RCX: 00007fda80bd7be9 [ 217.839257][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fda80e0efac [ 217.839262][ C0] RBP: 0000000000000000 R08: 0013649b7e0b5c26 R09: 00000007484bfddf [ 217.839267][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fda80e0efac [ 217.839271][ C0] R13: 00007fda80e0efa0 R14: 0000000000000095 R15: 0000000000000003 [ 241.274992][ T26] INFO: task kworker/u4:2:48 blocked for more than 195 seconds. [ 241.282650][ T26] Not tainted syzkaller #0 [ 241.454954][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 241.463664][ T26] task:kworker/u4:2 state:D stack: 0 pid: 48 ppid: 2 flags:0x10004000 [ 241.934967][ T26] Workqueue: netns cleanup_net [ 241.939772][ T26] Call Trace: [ 241.943069][ T26] __schedule+0xb47/0x1310 [ 242.295020][ T26] ? release_firmware_map_entry+0x190/0x190 [ 242.300956][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 242.565001][ T26] ? __kasan_check_write+0x14/0x20 [ 242.570165][ T26] ? kthread_data+0x50/0xc0 [ 242.574684][ T26] ? wq_worker_sleeping+0x60/0x200 [ 242.934967][ T26] schedule+0x13c/0x1d0 [ 242.939171][ T26] schedule_preempt_disabled+0x13/0x20 [ 242.944639][ T26] __mutex_lock+0x6c0/0xc50 [ 243.335018][ T26] ? pcpu_free_area+0x9be/0xbe0 [ 243.339918][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 243.655025][ T26] ? free_percpu+0xfd/0xa10 [ 243.659600][ T26] __mutex_lock_slowpath+0xe/0x10 [ 243.664629][ T26] mutex_lock+0xcf/0xe0 [ 244.014996][ T26] ? mutex_trylock+0xa0/0xa0 [ 244.019633][ T26] ? kobject_put+0x1a8/0x270 [ 244.024229][ T26] ? put_device+0x1f/0x30 [ 244.354995][ T26] ? free_netdev+0x384/0x480 [ 244.359626][ T26] rtnl_lock+0x15/0x20 [ 244.363699][ T26] netdev_run_todo+0xb38/0xd20 [ 244.725029][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 244.730264][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 244.995001][ T26] ? list_netdevice+0x4c0/0x4c0 [ 244.999889][ T26] ? mutex_lock+0xcf/0xe0 [ 245.004218][ T26] ? mutex_trylock+0xa0/0xa0 [ 245.384997][ T26] ? list_netdevice+0x4c0/0x4c0 [ 245.389888][ T26] rtnl_unlock+0xe/0x10 [ 245.394061][ T26] ip_tunnel_delete_nets+0x348/0x390 [ 245.765034][ T26] ? ip_tunnel_bind_dev+0x700/0x700 [ 245.770293][ T26] ? xfrmi6_err+0x640/0x640 [ 245.774801][ T26] ipgre_exit_batch_net+0x22/0x30 [ 246.144970][ T26] ? ipgre_init_net+0x30/0x30 [ 246.149688][ T26] cleanup_net+0x5fb/0xb70 [ 246.154115][ T26] ? __kasan_check_write+0x14/0x20 [ 246.544969][ T26] ? ops_init+0x4a0/0x4a0 [ 246.549341][ T26] ? read_word_at_a_time+0x12/0x20 [ 246.554456][ T26] ? strscpy+0x9b/0x290 [ 246.875023][ T26] process_one_work+0x6e1/0xba0 [ 246.879927][ T26] worker_thread+0xa6a/0x13b0 [ 246.884607][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 247.274976][ T26] kthread+0x346/0x3d0 [ 247.279085][ T26] ? worker_clr_flags+0x190/0x190 [ 247.284120][ T26] ? kthread_blkcg+0xd0/0xd0 [ 247.644996][ T26] ret_from_fork+0x1f/0x30 [ 247.774973][ T26] INFO: task kworker/1:2:53 blocked for more than 181 seconds. [ 247.782562][ T26] Not tainted syzkaller #0 [ 248.134969][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.143682][ T26] task:kworker/1:2 state:D stack: 0 pid: 53 ppid: 2 flags:0x10004000 [ 248.594963][ T26] Workqueue: events_power_efficient reg_check_chans_work [ 248.602033][ T26] Call Trace: [ 248.844994][ T26] __schedule+0xb47/0x1310 [ 248.849460][ T26] ? release_firmware_map_entry+0x190/0x190 [ 249.104999][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 249.110150][ T26] ? __kasan_check_write+0x14/0x20 [ 249.395000][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 249.400260][ T26] ? wq_worker_sleeping+0x196/0x200 [ 249.676190][ T26] schedule+0x13c/0x1d0 [ 249.680411][ T26] schedule_preempt_disabled+0x13/0x20 [ 249.925019][ T26] __mutex_lock+0x6c0/0xc50 [ 249.929573][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 250.205009][ T26] ? __switch_to+0x72e/0xfc0 [ 250.209640][ T26] __mutex_lock_slowpath+0xe/0x10 [ 250.214670][ T26] mutex_lock+0xcf/0xe0 [ 250.594984][ T26] ? mutex_trylock+0xa0/0xa0 [ 250.599626][ T26] ? native_set_ldt+0x370/0x370 [ 250.604483][ T26] rtnl_lock+0x15/0x20 [ 250.964975][ T26] reg_check_chans_work+0x77/0x8e0 [ 250.970126][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 251.234979][ T26] ? finish_task_switch+0x12e/0x5a0 [ 251.240237][ T26] ? switch_mm_irqs_off+0x763/0x9a0 [ 251.504969][ T26] ? __switch_to_asm+0x34/0x60 [ 251.509786][ T26] ? reg_process_ht_flags+0xbd0/0xbd0 [ 251.764995][ T26] ? __schedule+0xb4f/0x1310 [ 251.769621][ T26] ? __kasan_check_read+0x11/0x20 [ 251.774648][ T26] ? read_word_at_a_time+0x12/0x20 [ 252.154993][ T26] ? strscpy+0x9b/0x290 [ 252.159190][ T26] process_one_work+0x6e1/0xba0 [ 252.164046][ T26] worker_thread+0xa6a/0x13b0 [ 252.544973][ T26] kthread+0x346/0x3d0 [ 252.549083][ T26] ? worker_clr_flags+0x190/0x190 [ 252.554110][ T26] ? kthread_blkcg+0xd0/0xd0 [ 252.884994][ T26] ret_from_fork+0x1f/0x30 [ 253.034976][ T26] INFO: task kworker/u4:3:323 blocked for more than 206 seconds. [ 253.042723][ T26] Not tainted syzkaller #0 [ 253.354979][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.363713][ T26] task:kworker/u4:3 state:D stack: 0 pid: 323 ppid: 2 flags:0x10004000 [ 253.836183][ T26] Workqueue: events_unbound linkwatch_event [ 253.842116][ T26] Call Trace: [ 254.044983][ T26] __schedule+0xb47/0x1310 [ 254.049442][ T26] ? release_firmware_map_entry+0x190/0x190 [ 254.304973][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 254.310130][ T26] ? __kasan_check_write+0x14/0x20 [ 254.594965][ T26] ? kthread_data+0x50/0xc0 [ 254.599506][ T26] ? wq_worker_sleeping+0x60/0x200 [ 254.604625][ T26] schedule+0x13c/0x1d0 [ 254.944971][ T26] schedule_preempt_disabled+0x13/0x20 [ 254.950467][ T26] __mutex_lock+0x6c0/0xc50 [ 255.234984][ T26] ? __kasan_check_read+0x11/0x20 [ 255.240053][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 255.544967][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 255.550218][ T26] __mutex_lock_slowpath+0xe/0x10 [ 255.814982][ T26] mutex_lock+0xcf/0xe0 [ 255.819181][ T26] ? mutex_trylock+0xa0/0xa0 [ 255.823769][ T26] ? __schedule+0xb4f/0x1310 [ 256.174993][ T26] ? read_word_at_a_time+0x12/0x20 [ 256.180241][ T26] rtnl_lock+0x15/0x20 [ 256.184317][ T26] linkwatch_event+0xe/0x60 [ 256.514969][ T26] process_one_work+0x6e1/0xba0 [ 256.519863][ T26] worker_thread+0xa6a/0x13b0 [ 256.524543][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 256.924983][ T26] ? __kasan_check_read+0x11/0x20 [ 256.930047][ T26] kthread+0x346/0x3d0 [ 256.934117][ T26] ? worker_clr_flags+0x190/0x190 [ 257.274968][ T26] ? kthread_blkcg+0xd0/0xd0 [ 257.279673][ T26] ret_from_fork+0x1f/0x30 [ 257.554997][ T26] NMI backtrace for cpu 1 [ 257.559384][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 257.566575][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 257.576628][ T26] Call Trace: [ 257.579922][ T26] __dump_stack+0x21/0x24 [ 257.584256][ T26] dump_stack_lvl+0x169/0x1d8 [ 257.588937][ T26] ? show_regs_print_info+0x18/0x18 [ 257.594151][ T26] ? sched_show_task+0x324/0x4a0 [ 257.599113][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 257.604052][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 257.610123][ T26] dump_stack+0x15/0x1c [ 257.614280][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 257.620260][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 257.626153][ T26] watchdog+0xe2e/0xf70 [ 257.630312][ T26] ? hungtask_pm_notify+0x50/0x50 [ 257.635335][ T26] ? __kasan_check_read+0x11/0x20 [ 257.640359][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 257.645296][ T26] kthread+0x346/0x3d0 [ 257.649364][ T26] ? hungtask_pm_notify+0x50/0x50 [ 257.654498][ T26] ? kthread_blkcg+0xd0/0xd0 [ 257.659095][ T26] ret_from_fork+0x1f/0x30 [ 257.663633][ T26] Sending NMI from CPU 1 to CPUs 0: [ 257.669365][ C0] NMI backtrace for cpu 0 [ 257.669371][ C0] CPU: 0 PID: 380 Comm: syz.6.20 Not tainted syzkaller #0 [ 257.669377][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 257.669381][ C0] RIP: 0010:__stack_depot_save+0x33/0x4c0 [ 257.669392][ C0] Code: 55 41 54 53 48 83 ec 30 65 48 8b 04 25 28 00 00 00 48 89 45 d0 48 c7 45 c8 00 00 00 00 85 f6 74 4c 89 f0 45 31 e4 4e 8b 04 e7 <49> 81 f8 90 01 80 84 41 0f 93 c1 49 81 f8 f0 0d 80 84 41 0f 92 c2 [ 257.669396][ C0] RSP: 0018:ffffc90000db7778 EFLAGS: 00000006 [ 257.669405][ C0] RAX: 000000000000000e RBX: 0000000000000800 RCX: 0000000000000001 [ 257.669410][ C0] RDX: 0000000000000800 RSI: 0000000000000001 RDI: ffffc90000db77e0 [ 257.669415][ C0] RBP: ffffc90000db77d0 R08: ffffffff8472c9a8 R09: ffffc90000db7700 [ 257.669419][ C0] R10: 0000000000000001 R11: 1ffff920001b6ed5 R12: 000000000000000b [ 257.669424][ C0] R13: 0000000000000000 R14: ffff88812bc9fd98 R15: ffffc90000db77e0 [ 257.669430][ C0] FS: 000055556c4ef500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 257.669434][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.669439][ C0] CR2: 0000000000000000 CR3: 0000000110b18000 CR4: 00000000003506b0 [ 257.669444][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.669448][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 257.669451][ C0] Call Trace: [ 257.669454][ C0] kasan_set_track+0x5b/0x70 [ 257.669457][ C0] ? kasan_set_track+0x4a/0x70 [ 257.669461][ C0] ? kasan_set_free_info+0x23/0x40 [ 257.669464][ C0] ? ____kasan_slab_free+0x125/0x160 [ 257.669468][ C0] ? __kasan_slab_free+0x11/0x20 [ 257.669471][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 257.669475][ C0] ? kmem_cache_free+0x100/0x2d0 [ 257.669478][ C0] ? __dequeue_signal+0x530/0x620 [ 257.669481][ C0] ? dequeue_signal+0xa0/0x440 [ 257.669485][ C0] ? get_signal+0x772/0x12e0 [ 257.669488][ C0] ? arch_do_signal_or_restart+0xbf/0x10f0 [ 257.669492][ C0] ? exit_to_user_mode_loop+0xa2/0xe0 [ 257.669495][ C0] ? syscall_exit_to_user_mode+0x68/0x90 [ 257.669499][ C0] ? do_syscall_64+0x3d/0x40 [ 257.669502][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 257.669506][ C0] ? kmem_cache_free+0x100/0x2d0 [ 257.669509][ C0] kasan_set_free_info+0x23/0x40 [ 257.669512][ C0] ____kasan_slab_free+0x125/0x160 [ 257.669516][ C0] __kasan_slab_free+0x11/0x20 [ 257.669520][ C0] slab_free_freelist_hook+0xc5/0x190 [ 257.669523][ C0] ? __dequeue_signal+0x530/0x620 [ 257.669526][ C0] kmem_cache_free+0x100/0x2d0 [ 257.669530][ C0] __dequeue_signal+0x530/0x620 [ 257.669533][ C0] dequeue_signal+0xa0/0x440 [ 257.669536][ C0] get_signal+0x772/0x12e0 [ 257.669539][ C0] arch_do_signal_or_restart+0xbf/0x10f0 [ 257.669543][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 257.669546][ C0] ? KSTK_ESP+0x60/0x60 [ 257.669550][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 257.669553][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 257.669556][ C0] exit_to_user_mode_loop+0xa2/0xe0 [ 257.669560][ C0] syscall_exit_to_user_mode+0x68/0x90 [ 257.669563][ C0] do_syscall_64+0x3d/0x40 [ 257.669567][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 257.669570][ C0] RIP: 0033:0x7fda80bd7be9 [ 257.669580][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 257.669584][ C0] RSP: 002b:00007ffd484bfae8 EFLAGS: 00000246 [ 257.669591][ C0] RAX: 0000000000000000 RBX: 00007fda80e0efa8 RCX: 00007fda80bd7be9 [ 257.669596][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fda80e0efac [ 257.669601][ C0] RBP: 0000000000000000 R08: 0013649b7e0b5c26 R09: 00000007484bfddf [ 257.669606][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fda80e0efac [ 257.669611][ C0] R13: 00007fda80e0efa0 R14: 0000000000000095 R15: 0000000000000003