Warning: Permanently added '10.128.1.191' (ED25519) to the list of known hosts. 2025/08/14 07:04:09 ignoring optional flag "sandboxArg"="0" 2025/08/14 07:04:09 parsed 1 programs [ 53.123046][ T24] audit: type=1400 audit(1755155049.979:64): 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 [ 53.143726][ T24] audit: type=1400 audit(1755155049.979:65): 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 [ 53.163328][ T24] audit: type=1400 audit(1755155049.979:66): 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 [ 53.749385][ T24] audit: type=1400 audit(1755155050.609:67): avc: denied { mounton } for pid=283 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 [ 53.750411][ T283] cgroup: Unknown subsys name 'net' [ 53.772039][ T24] audit: type=1400 audit(1755155050.609:68): avc: denied { mount } for pid=283 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 [ 53.799287][ T24] audit: type=1400 audit(1755155050.639:69): avc: denied { unmount } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 53.799460][ T283] cgroup: Unknown subsys name 'devices' [ 54.005575][ T283] cgroup: Unknown subsys name 'hugetlb' [ 54.011157][ T283] cgroup: Unknown subsys name 'rlimit' [ 54.214027][ T24] audit: type=1400 audit(1755155051.079:70): avc: denied { setattr } for pid=283 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 [ 54.237195][ T24] audit: type=1400 audit(1755155051.079:71): avc: denied { create } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 54.246086][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 54.257729][ T24] audit: type=1400 audit(1755155051.079:72): avc: denied { write } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 54.286317][ T24] audit: type=1400 audit(1755155051.079:73): avc: denied { read } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 54.306589][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 54.752111][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 54.762844][ T294] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 55.054239][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.061296][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.094369][ T319] device bridge_slave_0 entered promiscuous mode [ 55.129135][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.154137][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.161884][ T319] device bridge_slave_1 entered promiscuous mode [ 55.287245][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.294320][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.301575][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.308758][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.342095][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.350151][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.362161][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.385291][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.393480][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.400542][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.408081][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.416718][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.423747][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.445292][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.453639][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.461805][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.472615][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.480623][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.488123][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready 2025/08/14 07:04:12 executed programs: 0 [ 55.496312][ T319] device veth0_vlan entered promiscuous mode [ 55.505589][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.514502][ T319] device veth1_macvtap entered promiscuous mode [ 55.522698][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.532085][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.666393][ T359] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.673442][ T359] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.680888][ T359] device bridge_slave_0 entered promiscuous mode [ 55.688588][ T359] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.695719][ T359] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.702950][ T359] device bridge_slave_1 entered promiscuous mode [ 55.728470][ T357] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.735604][ T357] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.742839][ T357] device bridge_slave_0 entered promiscuous mode [ 55.751384][ T357] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.758546][ T357] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.765917][ T357] device bridge_slave_1 entered promiscuous mode [ 55.818921][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.826052][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.833272][ T361] device bridge_slave_0 entered promiscuous mode [ 55.850814][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.857894][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.865232][ T361] device bridge_slave_1 entered promiscuous mode [ 55.882124][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.889276][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.896685][ T362] device bridge_slave_0 entered promiscuous mode [ 55.913474][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.921075][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.928430][ T363] device bridge_slave_0 entered promiscuous mode [ 55.935531][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.942545][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.949942][ T363] device bridge_slave_1 entered promiscuous mode [ 55.956608][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.963625][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.971014][ T362] device bridge_slave_1 entered promiscuous mode [ 55.993803][ T359] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.000864][ T359] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.008210][ T359] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.015232][ T359] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.023260][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.030519][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.133474][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.141114][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.169378][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.177922][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.186637][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.193645][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.201331][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.229227][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.237861][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.246614][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.253617][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.261239][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.268762][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.277320][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.285643][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.293683][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.300705][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.320272][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.328772][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.337461][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.344495][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.368644][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.376961][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.385139][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.393100][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.401486][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.409496][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.416934][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.425260][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.433317][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.440337][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.447782][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.456197][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.464393][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.471394][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.478875][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.501114][ T357] device veth0_vlan entered promiscuous mode [ 56.515807][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.524480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.532645][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.540728][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.548758][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.556183][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.563478][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.571618][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.579340][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.586837][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.596048][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.603466][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.625713][ T357] device veth1_macvtap entered promiscuous mode [ 56.634259][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.642321][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.650816][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.658973][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.665988][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.673466][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.681845][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.690013][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.697029][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.704561][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.712513][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.720480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.736510][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.744542][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.752372][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.761029][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.769474][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.778034][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.786450][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.794774][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.802836][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.809861][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.817387][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.840925][ T362] device veth0_vlan entered promiscuous mode [ 56.851709][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.862515][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.870826][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.878764][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.886491][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.894946][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.903097][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.910146][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.937593][ T363] device veth0_vlan entered promiscuous mode [ 56.949167][ T363] device veth1_macvtap entered promiscuous mode [ 56.962873][ T359] device veth0_vlan entered promiscuous mode [ 56.973647][ T362] device veth1_macvtap entered promiscuous mode [ 197.123955][ T26] INFO: task kworker/u4:0:7 blocked for more than 122 seconds. [ 197.131538][ T26] Not tainted 5.10.240-syzkaller #0 [ 197.313926][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 197.323780][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 197.853921][ T26] Workqueue: events_unbound linkwatch_event [ 197.859843][ T26] Call Trace: [ 197.863125][ T26] __schedule+0xb47/0x1310 [ 198.253926][ T26] ? release_firmware_map_entry+0x190/0x190 [ 198.259841][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 198.543900][ T26] ? __kasan_check_write+0x14/0x20 [ 198.549048][ T26] ? kthread_data+0x50/0xc0 [ 198.553539][ T26] ? wq_worker_sleeping+0x60/0x200 [ 198.947807][ T26] schedule+0x13c/0x1d0 [ 198.951983][ T26] schedule_preempt_disabled+0x13/0x20 [ 199.243908][ T26] __mutex_lock+0x6c0/0xc50 [ 199.248438][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 199.553927][ T26] ? netdev_run_todo+0xcc0/0xd20 [ 199.558897][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 199.813922][ T26] __mutex_lock_slowpath+0xe/0x10 [ 199.818963][ T26] mutex_lock+0xcf/0xe0 [ 199.823102][ T26] ? mutex_trylock+0xa0/0xa0 [ 200.213922][ T26] ? _raw_spin_lock_irq+0x8f/0xe0 [ 200.218968][ T26] ? read_word_at_a_time+0x12/0x20 [ 200.483925][ T26] rtnl_lock+0x15/0x20 [ 200.488013][ T26] linkwatch_event+0xe/0x60 [ 200.492509][ T26] process_one_work+0x6e1/0xba0 [ 200.873902][ T26] worker_thread+0xd56/0x13b0 [ 200.878608][ T26] kthread+0x346/0x3d0 [ 200.882659][ T26] ? worker_clr_flags+0x190/0x190 [ 201.253922][ T26] ? kthread_blkcg+0xd0/0xd0 [ 201.258542][ T26] ret_from_fork+0x1f/0x30 [ 201.503905][ T26] INFO: task kworker/u4:1:9 blocked for more than 127 seconds. [ 201.511466][ T26] Not tainted 5.10.240-syzkaller #0 [ 201.903903][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 201.912589][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 202.393907][ T26] Workqueue: netns cleanup_net [ 202.398689][ T26] Call Trace: [ 202.401965][ T26] __schedule+0xb47/0x1310 [ 202.723901][ T26] ? release_firmware_map_entry+0x190/0x190 [ 202.729820][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 203.073901][ T26] ? __kasan_check_write+0x14/0x20 [ 203.079034][ T26] ? kthread_data+0x50/0xc0 [ 203.083525][ T26] ? wq_worker_sleeping+0x60/0x200 [ 203.463938][ T26] schedule+0x13c/0x1d0 [ 203.468117][ T26] schedule_preempt_disabled+0x13/0x20 [ 203.473561][ T26] __mutex_lock+0x6c0/0xc50 [ 203.864102][ T26] ? pcpu_free_area+0x9be/0xbe0 [ 203.868979][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 204.183904][ T26] ? free_percpu+0xfd/0xa10 [ 204.188445][ T26] __mutex_lock_slowpath+0xe/0x10 [ 204.193453][ T26] mutex_lock+0xcf/0xe0 [ 204.563903][ T26] ? mutex_trylock+0xa0/0xa0 [ 204.568532][ T26] ? kobject_put+0x1a8/0x270 [ 204.573109][ T26] ? put_device+0x1f/0x30 [ 204.933906][ T26] ? free_netdev+0x384/0x480 [ 204.938522][ T26] rtnl_lock+0x15/0x20 [ 204.942578][ T26] netdev_run_todo+0xb38/0xd20 [ 205.313936][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 205.319152][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 205.623923][ T26] ? list_netdevice+0x4c0/0x4c0 [ 205.628797][ T26] ? mutex_lock+0xcf/0xe0 [ 205.633200][ T26] ? mutex_trylock+0xa0/0xa0 [ 206.043902][ T26] ? list_netdevice+0x4c0/0x4c0 [ 206.048768][ T26] rtnl_unlock+0xe/0x10 [ 206.052910][ T26] ip_tunnel_delete_nets+0x348/0x390 [ 206.424103][ T26] ? ip_tunnel_bind_dev+0x700/0x700 [ 206.429340][ T26] ? xfrmi6_err+0x640/0x640 [ 206.433833][ T26] ipgre_exit_batch_net+0x22/0x30 [ 206.833903][ T26] ? ipgre_init_net+0x30/0x30 [ 206.838607][ T26] cleanup_net+0x5fb/0xb70 [ 206.843021][ T26] ? __kasan_check_write+0x14/0x20 [ 207.263902][ T26] ? ops_init+0x4a0/0x4a0 [ 207.268258][ T26] ? read_word_at_a_time+0x12/0x20 [ 207.273355][ T26] ? strscpy+0x9b/0x290 [ 207.623937][ T26] process_one_work+0x6e1/0xba0 [ 207.628823][ T26] worker_thread+0xa6a/0x13b0 [ 207.633492][ T26] kthread+0x346/0x3d0 [ 208.003919][ T26] ? worker_clr_flags+0x190/0x190 [ 208.008962][ T26] ? kthread_blkcg+0xd0/0xd0 [ 208.013536][ T26] ret_from_fork+0x1f/0x30 [ 208.413941][ T26] INFO: task kworker/1:1:25 blocked for more than 134 seconds. [ 208.421590][ T26] Not tainted 5.10.240-syzkaller #0 [ 208.783886][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 208.792588][ T26] task:kworker/1:1 state:D stack: 0 pid: 25 ppid: 2 flags:0x10004000 [ 209.263924][ T26] Workqueue: ipv6_addrconf addrconf_dad_work [ 209.269932][ T26] Call Trace: [ 209.273209][ T26] __schedule+0xb47/0x1310 [ 209.673904][ T26] ? release_firmware_map_entry+0x190/0x190 [ 209.679829][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 209.953904][ T26] ? __kasan_check_write+0x14/0x20 [ 209.959041][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 210.263931][ T26] ? wq_worker_sleeping+0x196/0x200 [ 210.269177][ T26] schedule+0x13c/0x1d0 [ 210.273319][ T26] schedule_preempt_disabled+0x13/0x20 [ 210.673902][ T26] __mutex_lock+0x6c0/0xc50 [ 210.678434][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 210.993916][ T26] ? copy_fpregs_to_fpstate+0x14a/0x1b0 [ 210.999485][ T26] ? __kasan_check_write+0x14/0x20 [ 211.283925][ T26] ? __switch_to+0x50f/0xfc0 [ 211.288546][ T26] __mutex_lock_slowpath+0xe/0x10 [ 211.293555][ T26] mutex_lock+0xcf/0xe0 [ 211.663925][ T26] ? mutex_trylock+0xa0/0xa0 [ 211.668543][ T26] ? psi_group_change+0x7d3/0xe40 [ 211.673556][ T26] ? compat_start_thread+0x80/0x80 [ 212.083899][ T26] rtnl_lock+0x15/0x20 [ 212.088010][ T26] addrconf_dad_work+0xc4/0x1410 [ 212.092935][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 212.463942][ T26] ? finish_task_switch+0x12e/0x5a0 [ 212.469173][ T26] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 212.793924][ T26] ? __schedule+0xb4f/0x1310 [ 212.798536][ T26] ? __kasan_check_read+0x11/0x20 [ 212.803546][ T26] ? read_word_at_a_time+0x12/0x20 [ 213.163922][ T26] ? strscpy+0x9b/0x290 [ 213.168099][ T26] process_one_work+0x6e1/0xba0 [ 213.172938][ T26] worker_thread+0xa6a/0x13b0 [ 213.553922][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 213.559413][ T26] ? __kasan_check_read+0x11/0x20 [ 213.843950][ T26] kthread+0x346/0x3d0 [ 213.848049][ T26] ? worker_clr_flags+0x190/0x190 [ 213.853143][ T26] ? kthread_blkcg+0xd0/0xd0 [ 214.263947][ T26] ret_from_fork+0x1f/0x30 [ 214.343963][ T26] INFO: task syz-executor:359 blocked for more than 140 seconds. [ 214.351701][ T26] Not tainted 5.10.240-syzkaller #0 [ 214.763903][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 214.772597][ T26] task:syz-executor state:D stack: 0 pid: 359 ppid: 356 flags:0x10004000 [ 215.253891][ T26] Call Trace: [ 215.257208][ T26] __schedule+0xb47/0x1310 [ 215.261611][ T26] ? release_firmware_map_entry+0x190/0x190 [ 215.623922][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 215.629062][ T26] ? __kasan_check_write+0x14/0x20 [ 215.883907][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 215.889746][ T26] schedule+0x13c/0x1d0 [ 216.193947][ T26] schedule_preempt_disabled+0x13/0x20 [ 216.199441][ T26] __mutex_lock+0x6c0/0xc50 [ 216.463930][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 216.470733][ T26] ? cap_capable+0x19c/0x220 [ 216.803924][ T26] __mutex_lock_slowpath+0xe/0x10 [ 216.808968][ T26] mutex_lock+0xcf/0xe0 [ 216.813113][ T26] ? mutex_trylock+0xa0/0xa0 [ 217.174096][ T26] ? ns_capable+0x8c/0xf0 [ 217.178458][ T26] ? netlink_net_capable+0x125/0x160 [ 217.183735][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 217.593907][ T26] ? rtnetlink_bind+0x80/0x80 [ 217.598621][ T26] ? arch_stack_walk+0xee/0x140 [ 217.603460][ T26] ? stack_trace_save+0x98/0xe0 [ 217.963925][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 217.969066][ T26] ? memcpy+0x56/0x70 [ 217.973040][ T26] ? avc_has_perm+0x234/0x360 [ 218.363904][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 218.368956][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 218.663913][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 218.668886][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 218.943919][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 218.949323][ T26] netlink_rcv_skb+0x1e0/0x430 [ 219.273935][ T26] ? rtnetlink_bind+0x80/0x80 [ 219.278647][ T26] ? netlink_ack+0xb80/0xb80 [ 219.283225][ T26] ? __netlink_lookup+0x387/0x3b0 [ 219.653906][ T26] rtnetlink_rcv+0x1c/0x20 [ 219.658347][ T26] netlink_unicast+0x876/0xa40 [ 219.663099][ T26] netlink_sendmsg+0x88d/0xb30 [ 220.043915][ T26] ? netlink_getsockopt+0x530/0x530 [ 220.049142][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 220.313933][ T26] __sys_sendto+0x41d/0x580 [ 220.318457][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 220.323822][ T26] ? security_file_free+0xc7/0xe0 [ 220.753932][ T26] ? unlock_page_memcg+0x110/0x110 [ 220.759071][ T26] ? ____fput+0x15/0x20 [ 220.763225][ T26] __x64_sys_sendto+0xe5/0x100 [ 221.133943][ T26] do_syscall_64+0x31/0x40 [ 221.138407][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 221.443961][ T26] RIP: 0033:0x7f5fcc7b2a23 [ 221.448408][ T26] RSP: 002b:00007ffe43f7f938 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 221.793916][ T26] RAX: ffffffffffffffda RBX: 00007f5fcd506620 RCX: 00007f5fcc7b2a23 [ 221.801921][ T26] RDX: 0000000000000028 RSI: 00007f5fcd506670 RDI: 0000000000000003 [ 222.263893][ T26] RBP: 0000000000000001 R08: 00007ffe43f7f954 R09: 000000000000000c [ 222.271899][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 222.643895][ T26] R13: 0000000000000000 R14: 00007f5fcd506670 R15: 0000000000000000 [ 222.943894][ T26] INFO: task syz-executor:361 blocked for more than 148 seconds. [ 222.951624][ T26] Not tainted 5.10.240-syzkaller #0 [ 223.303892][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 223.312590][ T26] task:syz-executor state:D stack: 0 pid: 361 ppid: 358 flags:0x10004000 [ 223.773909][ T26] Call Trace: [ 223.777227][ T26] __schedule+0xb47/0x1310 [ 223.781633][ T26] ? release_firmware_map_entry+0x190/0x190 [ 224.133942][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 224.139084][ T26] ? __kasan_check_write+0x14/0x20 [ 224.463904][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 224.469742][ T26] schedule+0x13c/0x1d0 [ 224.743923][ T26] schedule_preempt_disabled+0x13/0x20 [ 224.749408][ T26] __mutex_lock+0x6c0/0xc50 [ 224.983909][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 224.990702][ T26] ? cap_capable+0x19c/0x220 [ 225.303903][ T26] __mutex_lock_slowpath+0xe/0x10 [ 225.308959][ T26] mutex_lock+0xcf/0xe0 [ 225.313102][ T26] ? mutex_trylock+0xa0/0xa0 [ 225.703922][ T26] ? ns_capable+0x8c/0xf0 [ 225.708300][ T26] ? netlink_net_capable+0x125/0x160 [ 225.713576][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 226.103944][ T26] ? rtnetlink_bind+0x80/0x80 [ 226.108648][ T26] ? arch_stack_walk+0xee/0x140 [ 226.113507][ T26] ? stack_trace_save+0x98/0xe0 [ 226.473906][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 226.479048][ T26] ? memcpy+0x56/0x70 [ 226.483019][ T26] ? avc_has_perm+0x234/0x360 [ 226.913925][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 226.918980][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 227.153913][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 227.158879][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 227.453906][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 227.459301][ T26] netlink_rcv_skb+0x1e0/0x430 [ 227.773907][ T26] ? rtnetlink_bind+0x80/0x80 [ 227.778611][ T26] ? netlink_ack+0xb80/0xb80 [ 227.783201][ T26] ? __netlink_lookup+0x387/0x3b0 [ 228.153928][ T26] rtnetlink_rcv+0x1c/0x20 [ 228.158386][ T26] netlink_unicast+0x876/0xa40 [ 228.163149][ T26] netlink_sendmsg+0x88d/0xb30 [ 228.573918][ T26] ? __irq_exit_rcu+0x40/0x150 [ 228.578711][ T26] ? netlink_getsockopt+0x530/0x530 [ 228.813933][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 228.819424][ T26] __sys_sendto+0x41d/0x580 [ 229.113906][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 229.119304][ T26] ? security_file_free+0xc7/0xe0 [ 229.413910][ T26] ? unlock_page_memcg+0x110/0x110 [ 229.419050][ T26] ? ____fput+0x15/0x20 [ 229.423203][ T26] __x64_sys_sendto+0xe5/0x100 [ 229.783905][ T26] do_syscall_64+0x31/0x40 [ 229.788356][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 230.103902][ T26] RIP: 0033:0x7f5a26267a23 [ 230.108347][ T26] RSP: 002b:00007fff82022dc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 230.443897][ T26] RAX: ffffffffffffffda RBX: 00007f5a26fbb620 RCX: 00007f5a26267a23 [ 230.451898][ T26] RDX: 000000000000002c RSI: 00007f5a26fbb670 RDI: 0000000000000003 [ 230.903897][ T26] RBP: 0000000000000001 R08: 00007fff82022de4 R09: 000000000000000c [ 230.911895][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 231.323891][ T26] R13: 0000000000000000 R14: 00007f5a26fbb670 R15: 0000000000000000 [ 231.573893][ T26] INFO: task syz-executor:363 blocked for more than 157 seconds. [ 231.581633][ T26] Not tainted 5.10.240-syzkaller #0 [ 231.933903][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 231.942598][ T26] task:syz-executor state:D stack: 0 pid: 363 ppid: 360 flags:0x10004000 [ 232.443888][ T26] Call Trace: [ 232.447334][ T26] __schedule+0xb47/0x1310 [ 232.451750][ T26] ? release_firmware_map_entry+0x190/0x190 [ 232.853903][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 232.859037][ T26] ? __kasan_check_write+0x14/0x20 [ 233.093927][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 233.099754][ T26] schedule+0x13c/0x1d0 [ 233.383991][ T26] schedule_preempt_disabled+0x13/0x20 [ 233.389479][ T26] __mutex_lock+0x6c0/0xc50 [ 233.703934][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 233.710727][ T26] ? cap_capable+0x19c/0x220 [ 233.993912][ T26] __mutex_lock_slowpath+0xe/0x10 [ 233.998960][ T26] mutex_lock+0xcf/0xe0 [ 234.003100][ T26] ? mutex_trylock+0xa0/0xa0 [ 234.363924][ T26] ? ns_capable+0x8c/0xf0 [ 234.368287][ T26] ? netlink_net_capable+0x125/0x160 [ 234.373560][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 234.773930][ T26] ? rtnetlink_bind+0x80/0x80 [ 234.778632][ T26] ? arch_stack_walk+0xee/0x140 [ 234.783474][ T26] ? stack_trace_save+0x98/0xe0 [ 235.203905][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 235.209048][ T26] ? memcpy+0x56/0x70 [ 235.213016][ T26] ? avc_has_perm+0x234/0x360 [ 235.553906][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 235.558968][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 235.863903][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 235.868871][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 236.183933][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 236.189339][ T26] netlink_rcv_skb+0x1e0/0x430 [ 236.413948][ T26] ? rtnetlink_bind+0x80/0x80 [ 236.418654][ T26] ? netlink_ack+0xb80/0xb80 [ 236.423229][ T26] ? __netlink_lookup+0x387/0x3b0 [ 236.833919][ T26] rtnetlink_rcv+0x1c/0x20 [ 236.838370][ T26] netlink_unicast+0x876/0xa40 [ 236.843126][ T26] netlink_sendmsg+0x88d/0xb30 [ 237.213933][ T26] ? netlink_getsockopt+0x530/0x530 [ 237.219165][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 237.553905][ T26] __sys_sendto+0x41d/0x580 [ 237.558443][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 237.563811][ T26] ? security_file_free+0xc7/0xe0 [ 237.943908][ T26] ? unlock_page_memcg+0x110/0x110 [ 237.949044][ T26] ? ____fput+0x15/0x20 [ 237.953194][ T26] __x64_sys_sendto+0xe5/0x100 [ 238.363933][ T26] do_syscall_64+0x31/0x40 [ 238.368456][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 238.613929][ T26] RIP: 0033:0x7f948ed95a23 [ 238.618377][ T26] RSP: 002b:00007ffce0c4c5e8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 238.963916][ T26] RAX: ffffffffffffffda RBX: 00007f948fae9620 RCX: 00007f948ed95a23 [ 238.972706][ T26] RDX: 0000000000000028 RSI: 00007f948fae9670 RDI: 0000000000000003 [ 239.453899][ T26] RBP: 0000000000000001 R08: 00007ffce0c4c604 R09: 000000000000000c [ 239.461903][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 239.893922][ T26] R13: 0000000000000000 R14: 00007f948fae9670 R15: 0000000000000000 [ 240.063913][ T26] NMI backtrace for cpu 1 [ 240.068289][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 240.076251][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.086289][ T26] Call Trace: [ 240.089571][ T26] __dump_stack+0x21/0x24 [ 240.093884][ T26] dump_stack_lvl+0x169/0x1d8 [ 240.098548][ T26] ? show_regs_print_info+0x18/0x18 [ 240.103734][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 240.108656][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 240.114710][ T26] dump_stack+0x15/0x1c [ 240.118853][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 240.124833][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 240.130729][ T26] watchdog+0xe2e/0xf70 [ 240.134881][ T26] ? hungtask_pm_notify+0x50/0x50 [ 240.139895][ T26] ? __kasan_check_read+0x11/0x20 [ 240.144909][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 240.149835][ T26] kthread+0x346/0x3d0 [ 240.153892][ T26] ? hungtask_pm_notify+0x50/0x50 [ 240.158903][ T26] ? kthread_blkcg+0xd0/0xd0 [ 240.163479][ T26] ret_from_fork+0x1f/0x30 [ 240.167949][ T26] Sending NMI from CPU 1 to CPUs 0: [ 240.173429][ C0] NMI backtrace for cpu 0 [ 240.173438][ C0] CPU: 0 PID: 379 Comm: syz.0.17 Not tainted 5.10.240-syzkaller #0 [ 240.173444][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.173447][ C0] RIP: 0010:asm_sysvec_irq_work+0x0/0x20 [ 240.173456][ C0] Code: 00 90 90 90 90 90 90 90 90 90 0f 01 ca 6a ff e8 d6 02 00 00 48 89 e7 e8 9e 6a f2 ff e9 c9 03 00 00 90 90 90 90 90 90 90 90 90 <0f> 01 ca 6a ff e8 b6 02 00 00 48 89 e7 e8 2e 66 f2 ff e9 a9 03 00 [ 240.173460][ C0] RSP: 0018:ffffc90000e37bf8 EFLAGS: 00000046 [ 240.173468][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 240.173472][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 240.173476][ C0] RBP: ffffc90000e37c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 240.173480][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 240.173484][ C0] R13: dffffc0000000001 R14: ffffffff859c2998 R15: dffffc0000000000 [ 240.173489][ C0] FS: 0000555567b17500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 240.173492][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 240.173496][ C0] CR2: 0000000000000000 CR3: 0000000110643000 CR4: 00000000003506b0 [ 240.173501][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 240.173505][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 240.173507][ C0] Call Trace: [ 240.173510][ C0] ? native_apic_msr_write+0x39/0x50 [ 240.173513][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 240.173516][ C0] arch_irq_work_raise+0x86/0xd0 [ 240.173519][ C0] __irq_work_queue_local+0x115/0x190 [ 240.173521][ C0] irq_work_queue+0x9e/0x150 [ 240.173525][ C0] bpf_send_signal_common+0x2b2/0x420 [ 240.173528][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 240.173530][ C0] bpf_send_signal+0x19/0x20 [ 240.173533][ C0] bpf_prog_7ba5217f62dcd359+0x38/0x9c8 [ 240.173536][ C0] bpf_trace_run2+0xb3/0x200 [ 240.173539][ C0] ? bpf_trace_run1+0x200/0x200 [ 240.173542][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 240.173545][ C0] trace_sys_enter+0x40/0x50 [ 240.173548][ C0] syscall_trace_enter+0x108/0x170 [ 240.173551][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 240.173554][ C0] do_syscall_64+0x13/0x40 [ 240.173557][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 240.173559][ C0] RIP: 0033:0x7f0fa6245dd9 [ 240.173568][ C0] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 [ 240.173572][ C0] RSP: 002b:00007ffe458611c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 240.173579][ C0] RAX: ffffffffffffffda RBX: 00007f0fa64d0fa8 RCX: 00007f0fa6245dd9 [ 240.173583][ C0] RDX: 00007ffe458611c0 RSI: 00007ffe458612f0 RDI: 0000000000000011 [ 240.173588][ C0] RBP: 0000000000000000 R08: 0039cbc9d2072fe0 R09: 0000000745861a4f [ 240.173592][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f0fa64d0fac [ 240.173596][ C0] R13: 00007f0fa64d0fa0 R14: 0000000000000095 R15: 0000000000000003 [ 263.683919][ T26] INFO: task kworker/u4:0:7 blocked for more than 189 seconds. [ 263.691485][ T26] Not tainted 5.10.240-syzkaller #0 [ 263.923885][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 263.932576][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 264.443918][ T26] Workqueue: events_unbound linkwatch_event [ 264.449853][ T26] Call Trace: [ 264.453129][ T26] __schedule+0xb47/0x1310 [ 264.793907][ T26] ? release_firmware_map_entry+0x190/0x190 [ 264.799828][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 265.113911][ T26] ? __kasan_check_write+0x14/0x20 [ 265.119046][ T26] ? kthread_data+0x50/0xc0 [ 265.123539][ T26] ? wq_worker_sleeping+0x60/0x200 [ 265.483909][ T26] schedule+0x13c/0x1d0 [ 265.488095][ T26] schedule_preempt_disabled+0x13/0x20 [ 265.493540][ T26] __mutex_lock+0x6c0/0xc50 [ 265.913927][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 265.920716][ T26] ? netdev_run_todo+0xcc0/0xd20 [ 266.263923][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 266.269149][ T26] __mutex_lock_slowpath+0xe/0x10 [ 266.503922][ T26] mutex_lock+0xcf/0xe0 [ 266.508108][ T26] ? mutex_trylock+0xa0/0xa0 [ 266.512685][ T26] ? _raw_spin_lock_irq+0x8f/0xe0 [ 266.923908][ T26] ? read_word_at_a_time+0x12/0x20 [ 266.929046][ T26] rtnl_lock+0x15/0x20 [ 266.933103][ T26] linkwatch_event+0xe/0x60 [ 267.313940][ T26] process_one_work+0x6e1/0xba0 [ 267.318821][ T26] worker_thread+0xd56/0x13b0 [ 267.323629][ T26] kthread+0x346/0x3d0 [ 267.673922][ T26] ? worker_clr_flags+0x190/0x190 [ 267.678974][ T26] ? kthread_blkcg+0xd0/0xd0 [ 267.683551][ T26] ret_from_fork+0x1f/0x30 [ 268.073954][ T26] INFO: task kworker/u4:1:9 blocked for more than 193 seconds. [ 268.081516][ T26] Not tainted 5.10.240-syzkaller #0 [ 268.473924][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 268.482618][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 268.963902][ T26] Workqueue: netns cleanup_net [ 268.968696][ T26] Call Trace: [ 268.971973][ T26] __schedule+0xb47/0x1310 [ 269.323910][ T26] ? release_firmware_map_entry+0x190/0x190 [ 269.329836][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 269.643905][ T26] ? __kasan_check_write+0x14/0x20 [ 269.649049][ T26] ? kthread_data+0x50/0xc0 [ 269.653541][ T26] ? wq_worker_sleeping+0x60/0x200 [ 270.003927][ T26] schedule+0x13c/0x1d0 [ 270.008112][ T26] schedule_preempt_disabled+0x13/0x20 [ 270.013556][ T26] __mutex_lock+0x6c0/0xc50 [ 270.413933][ T26] ? pcpu_free_area+0x9be/0xbe0 [ 270.418817][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 270.733929][ T26] ? free_percpu+0xfd/0xa10 [ 270.738464][ T26] __mutex_lock_slowpath+0xe/0x10 [ 270.743474][ T26] mutex_lock+0xcf/0xe0 [ 271.143903][ T26] ? mutex_trylock+0xa0/0xa0 [ 271.148520][ T26] ? kobject_put+0x1a8/0x270 [ 271.153098][ T26] ? put_device+0x1f/0x30 [ 271.493906][ T26] ? free_netdev+0x384/0x480 [ 271.498518][ T26] rtnl_lock+0x15/0x20 [ 271.502571][ T26] netdev_run_todo+0xb38/0xd20 [ 271.863910][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 271.869133][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 272.173904][ T26] ? list_netdevice+0x4c0/0x4c0 [ 272.178781][ T26] ? mutex_lock+0xcf/0xe0 [ 272.183095][ T26] ? mutex_trylock+0xa0/0xa0 [ 272.543912][ T26] ? list_netdevice+0x4c0/0x4c0 [ 272.548789][ T26] rtnl_unlock+0xe/0x10 [ 272.552940][ T26] ip_tunnel_delete_nets+0x348/0x390 [ 272.983919][ T26] ? ip_tunnel_bind_dev+0x700/0x700 [ 272.989146][ T26] ? xfrmi6_err+0x640/0x640 [ 272.993638][ T26] ipgre_exit_batch_net+0x22/0x30 [ 273.353906][ T26] ? ipgre_init_net+0x30/0x30 [ 273.358612][ T26] cleanup_net+0x5fb/0xb70 [ 273.363018][ T26] ? __kasan_check_write+0x14/0x20 [ 273.763903][ T26] ? ops_init+0x4a0/0x4a0 [ 273.768265][ T26] ? read_word_at_a_time+0x12/0x20 [ 273.773372][ T26] ? strscpy+0x9b/0x290 [ 274.163904][ T26] process_one_work+0x6e1/0xba0 [ 274.168777][ T26] worker_thread+0xa6a/0x13b0 [ 274.173461][ T26] kthread+0x346/0x3d0 [ 274.513929][ T26] ? worker_clr_flags+0x190/0x190 [ 274.518989][ T26] ? kthread_blkcg+0xd0/0xd0 [ 274.523571][ T26] ret_from_fork+0x1f/0x30 [ 274.913928][ T26] INFO: task kworker/1:1:25 blocked for more than 200 seconds. [ 274.921495][ T26] Not tainted 5.10.240-syzkaller #0 [ 275.313908][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 275.322610][ T26] task:kworker/1:1 state:D stack: 0 pid: 25 ppid: 2 flags:0x10004000 [ 275.814003][ T26] Workqueue: ipv6_addrconf addrconf_dad_work [ 275.820012][ T26] Call Trace: [ 275.823291][ T26] __schedule+0xb47/0x1310 [ 276.203937][ T26] ? release_firmware_map_entry+0x190/0x190 [ 276.209864][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 276.503905][ T26] ? __kasan_check_write+0x14/0x20 [ 276.509047][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 276.793905][ T26] ? wq_worker_sleeping+0x196/0x200 [ 276.799125][ T26] schedule+0x13c/0x1d0 [ 276.803274][ T26] schedule_preempt_disabled+0x13/0x20 [ 277.203907][ T26] __mutex_lock+0x6c0/0xc50 [ 277.208436][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 277.523911][ T26] ? copy_fpregs_to_fpstate+0x14a/0x1b0 [ 277.529489][ T26] ? __kasan_check_write+0x14/0x20 [ 277.813920][ T26] ? __switch_to+0x50f/0xfc0 [ 277.818540][ T26] __mutex_lock_slowpath+0xe/0x10 [ 277.823549][ T26] mutex_lock+0xcf/0xe0 [ 278.203907][ T26] ? mutex_trylock+0xa0/0xa0 [ 278.208522][ T26] ? psi_group_change+0x7d3/0xe40 [ 278.213529][ T26] ? compat_start_thread+0x80/0x80 [ 278.603926][ T26] rtnl_lock+0x15/0x20 [ 278.608021][ T26] addrconf_dad_work+0xc4/0x1410 [ 278.612950][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 279.013905][ T26] ? finish_task_switch+0x12e/0x5a0 [ 279.019131][ T26] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 279.283899][ T26] ? __schedule+0xb4f/0x1310 [ 279.288641][ T26] ? __kasan_check_read+0x11/0x20 [ 279.293665][ T26] ? read_word_at_a_time+0x12/0x20 [ 279.703932][ T26] ? strscpy+0x9b/0x290 [ 279.708109][ T26] process_one_work+0x6e1/0xba0 [ 279.712950][ T26] worker_thread+0xa6a/0x13b0 [ 280.073913][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 280.079400][ T26] ? __kasan_check_read+0x11/0x20 [ 280.383905][ T26] kthread+0x346/0x3d0 [ 280.387997][ T26] ? worker_clr_flags+0x190/0x190 [ 280.393006][ T26] ? kthread_blkcg+0xd0/0xd0 [ 280.763946][ T26] ret_from_fork+0x1f/0x30 [ 280.884209][ T26] INFO: task syz-executor:359 blocked for more than 206 seconds. [ 280.891955][ T26] Not tainted 5.10.240-syzkaller #0 [ 281.283896][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 281.292586][ T26] task:syz-executor state:D stack: 0 pid: 359 ppid: 356 flags:0x10004000 [ 281.773889][ T26] Call Trace: [ 281.777207][ T26] __schedule+0xb47/0x1310 [ 281.781611][ T26] ? release_firmware_map_entry+0x190/0x190 [ 282.163901][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 282.169039][ T26] ? __kasan_check_write+0x14/0x20 [ 282.443912][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 282.449753][ T26] schedule+0x13c/0x1d0 [ 282.743904][ T26] schedule_preempt_disabled+0x13/0x20 [ 282.749386][ T26] __mutex_lock+0x6c0/0xc50 [ 283.013920][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 283.020702][ T26] ? cap_capable+0x19c/0x220 [ 283.333911][ T26] __mutex_lock_slowpath+0xe/0x10 [ 283.338960][ T26] mutex_lock+0xcf/0xe0 [ 283.343101][ T26] ? mutex_trylock+0xa0/0xa0 [ 283.703920][ T26] ? ns_capable+0x8c/0xf0 [ 283.708275][ T26] ? netlink_net_capable+0x125/0x160 [ 283.713550][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 284.133909][ T26] ? rtnetlink_bind+0x80/0x80 [ 284.138614][ T26] ? arch_stack_walk+0xee/0x140 [ 284.143455][ T26] ? stack_trace_save+0x98/0xe0 [ 284.513910][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 284.519047][ T26] ? memcpy+0x56/0x70 [ 284.523025][ T26] ? avc_has_perm+0x234/0x360 [ 284.913928][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 284.918983][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 285.183944][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 285.188900][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 285.473949][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 285.479356][ T26] netlink_rcv_skb+0x1e0/0x430 [ 285.773903][ T26] ? rtnetlink_bind+0x80/0x80 [ 285.778606][ T26] ? netlink_ack+0xb80/0xb80 [ 285.783188][ T26] ? __netlink_lookup+0x387/0x3b0 [ 286.143923][ T26] rtnetlink_rcv+0x1c/0x20 [ 286.148366][ T26] netlink_unicast+0x876/0xa40 [ 286.153122][ T26] netlink_sendmsg+0x88d/0xb30 [ 286.533911][ T26] ? netlink_getsockopt+0x530/0x530 [ 286.539143][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 286.843905][ T26] __sys_sendto+0x41d/0x580 [ 286.848454][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 286.853816][ T26] ? security_file_free+0xc7/0xe0 [ 287.273929][ T26] ? unlock_page_memcg+0x110/0x110 [ 287.279070][ T26] ? ____fput+0x15/0x20 [ 287.283218][ T26] __x64_sys_sendto+0xe5/0x100 [ 287.673930][ T26] do_syscall_64+0x31/0x40 [ 287.678456][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 287.953922][ T26] RIP: 0033:0x7f5fcc7b2a23 [ 287.958360][ T26] RSP: 002b:00007ffe43f7f938 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 288.293954][ T26] RAX: ffffffffffffffda RBX: 00007f5fcd506620 RCX: 00007f5fcc7b2a23 [ 288.301956][ T26] RDX: 0000000000000028 RSI: 00007f5fcd506670 RDI: 0000000000000003 [ 288.763915][ T26] RBP: 0000000000000001 R08: 00007ffe43f7f954 R09: 000000000000000c [ 288.771923][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 289.183893][ T26] R13: 0000000000000000 R14: 00007f5fcd506670 R15: 0000000000000000 [ 289.433928][ T26] NMI backtrace for cpu 1 [ 289.438286][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 289.446243][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 289.456283][ T26] Call Trace: [ 289.459565][ T26] __dump_stack+0x21/0x24 [ 289.463877][ T26] dump_stack_lvl+0x169/0x1d8 [ 289.468539][ T26] ? show_regs_print_info+0x18/0x18 [ 289.473721][ T26] ? sched_show_task+0x324/0x4a0 [ 289.478645][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 289.483569][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 289.489620][ T26] dump_stack+0x15/0x1c [ 289.493761][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 289.499727][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 289.505605][ T26] watchdog+0xe2e/0xf70 [ 289.509749][ T26] ? hungtask_pm_notify+0x50/0x50 [ 289.514760][ T26] ? __kasan_check_read+0x11/0x20 [ 289.519767][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 289.524687][ T26] kthread+0x346/0x3d0 [ 289.528740][ T26] ? hungtask_pm_notify+0x50/0x50 [ 289.533743][ T26] ? kthread_blkcg+0xd0/0xd0 [ 289.538318][ T26] ret_from_fork+0x1f/0x30 [ 289.542863][ T26] Sending NMI from CPU 1 to CPUs 0: [ 289.548355][ C0] NMI backtrace for cpu 0 [ 289.548360][ C0] CPU: 0 PID: 379 Comm: syz.0.17 Not tainted 5.10.240-syzkaller #0 [ 289.548365][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 289.548369][ C0] RIP: 0010:copy_fpstate_to_sigframe+0xf5/0xb40 [ 289.548377][ C0] Code: 4c 89 f7 48 89 de e8 9a 17 3b 00 4c 39 f3 0f 96 c0 41 84 c7 75 0f e8 4a 13 3b 00 b8 f3 ff ff ff e9 e9 08 00 00 4c 89 6c 24 20 <4c> 8b 7c 24 10 49 8d 47 ff 48 89 44 24 70 48 8b 1c 24 48 8d 83 40 [ 289.548381][ C0] RSP: 0018:ffffc90000e37b40 EFLAGS: 00000202 [ 289.548389][ C0] RAX: ffffffff81288d01 RBX: 00007ffe458616c4 RCX: ffff88810c184f00 [ 289.548393][ C0] RDX: 0000000000000000 RSI: 00007ffe458616c4 RDI: 00007ffffffff000 [ 289.548398][ C0] RBP: ffffc90000e37cf0 R08: dffffc0000000000 R09: ffffed10218309e1 [ 289.548402][ C0] R10: ffffed10218309e1 R11: 1ffff110218309e0 R12: dffffc0000000000 [ 289.548406][ C0] R13: 1ffff920001c6f78 R14: 00007ffffffff000 R15: ffffc90000e37fff [ 289.548410][ C0] FS: 0000555567b17500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 289.548414][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 289.548418][ C0] CR2: 0000000000000000 CR3: 0000000110643000 CR4: 00000000003506b0 [ 289.548422][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 289.548426][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 289.548428][ C0] Call Trace: [ 289.548431][ C0] ? __kasan_check_write+0x14/0x20 [ 289.548434][ C0] ? dequeue_signal+0x1fd/0x440 [ 289.548437][ C0] ? fpregs_set+0x540/0x540 [ 289.548440][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 289.548443][ C0] ? get_signal+0x1238/0x12e0 [ 289.548446][ C0] ? fpu__alloc_mathframe+0x88/0x150 [ 289.548449][ C0] arch_do_signal_or_restart+0x5c7/0x10f0 [ 289.548451][ C0] ? KSTK_ESP+0x60/0x60 [ 289.548454][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 289.548457][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 289.548460][ C0] exit_to_user_mode_loop+0xa2/0xe0 [ 289.548463][ C0] syscall_exit_to_user_mode+0x68/0x90 [ 289.548466][ C0] do_syscall_64+0x3d/0x40 [ 289.548470][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 289.548472][ C0] RIP: 0033:0x7f0fa62a9be9 [ 289.548481][ 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 [ 289.548485][ C0] RSP: 002b:00007ffe45861758 EFLAGS: 00000246 [ 289.548491][ C0] RAX: 0000000000000000 RBX: 00007f0fa64d0fa8 RCX: 00007f0fa62a9be9 [ 289.548495][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0fa64d0fac [ 289.548499][ C0] RBP: 0000000000000000 R08: 0039cbc9d2072fe0 R09: 0000000745861a4f [ 289.548503][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f0fa64d0fac [ 289.548507][ C0] R13: 00007f0fa64d0fa0 R14: 0000000000000095 R15: 0000000000000003