syzkaller syzkaller login: [ 14.728595][ T24] kauditd_printk_skb: 48 callbacks suppressed [ 14.728605][ T24] audit: type=1400 audit(1792626338.800:59): avc: denied { transition } for pid=217 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.734013][ T24] audit: type=1400 audit(1792626338.800:60): avc: denied { noatsecure } for pid=217 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.737908][ T24] audit: type=1400 audit(1792626338.810:61): avc: denied { write } for pid=217 comm="sh" path="pipe:[13856]" dev="pipefs" ino=13856 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.741203][ T24] audit: type=1400 audit(1792626338.810:62): avc: denied { rlimitinh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.744561][ T24] audit: type=1400 audit(1792626338.810:63): avc: denied { siginh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.160' (ED25519) to the list of known hosts. 2026/10/21 23:49:57 parsed 1 programs 2026/10/21 23:49:57 serving rpc on tcp://36793 [ 273.160592][ T24] audit: type=1400 audit(1792626597.240:64): avc: denied { node_bind } for pid=287 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 273.181584][ T24] audit: type=1400 audit(1792626597.240:65): avc: denied { create } for pid=287 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 273.201605][ T24] audit: type=1400 audit(1792626597.240:66): avc: denied { module_request } for pid=287 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 [ 273.814522][ T24] audit: type=1400 audit(1792626597.890:67): avc: denied { mounton } for pid=293 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 273.815909][ T293] cgroup: Unknown subsys name 'net' [ 273.837191][ T24] audit: type=1400 audit(1792626597.890:68): avc: denied { mount } for pid=293 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 [ 273.864455][ T24] audit: type=1400 audit(1792626597.930:69): avc: denied { unmount } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 273.864651][ T293] cgroup: Unknown subsys name 'devices' [ 274.011098][ T293] cgroup: Unknown subsys name 'hugetlb' [ 274.016712][ T293] cgroup: Unknown subsys name 'rlimit' [ 274.135314][ T24] audit: type=1400 audit(1792626598.210:70): avc: denied { setattr } for pid=293 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 [ 274.149563][ T297] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 274.158496][ T24] audit: type=1400 audit(1792626598.210:71): avc: denied { create } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 274.187578][ T24] audit: type=1400 audit(1792626598.210:72): avc: denied { write } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 274.207899][ T24] audit: type=1400 audit(1792626598.210:73): avc: denied { read } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 274.247815][ T293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 274.722883][ T305] request_module fs-gadgetfs succeeded, but still no fs? [ 274.749939][ T303] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 275.134142][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.141254][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.148666][ T337] device bridge_slave_0 entered promiscuous mode [ 275.168427][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.175613][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.183243][ T337] device bridge_slave_1 entered promiscuous mode [ 275.237579][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.244675][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.251981][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.259051][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.281997][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.289702][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.296964][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.313240][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.321569][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.328602][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.338328][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.347165][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.354237][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.371550][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.390504][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.413296][ T337] device veth0_vlan entered promiscuous mode [ 275.420491][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 275.433325][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 275.441324][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 275.448662][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 275.460181][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 275.469248][ T337] device veth1_macvtap entered promiscuous mode [ 275.477951][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/10/21 23:49:59 executed programs: 0 [ 275.491163][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 275.634119][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.649364][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.656810][ T367] device bridge_slave_0 entered promiscuous mode [ 275.664609][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.671668][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.679028][ T367] device bridge_slave_1 entered promiscuous mode [ 275.756374][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.763598][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.771116][ T365] device bridge_slave_0 entered promiscuous mode [ 275.779022][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.786172][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.793604][ T365] device bridge_slave_1 entered promiscuous mode [ 275.857383][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.864657][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.872038][ T370] device bridge_slave_0 entered promiscuous mode [ 275.890002][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.897028][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.904409][ T370] device bridge_slave_1 entered promiscuous mode [ 275.937669][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.944776][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.952148][ T373] device bridge_slave_0 entered promiscuous mode [ 275.961932][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.968965][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.976497][ T373] device bridge_slave_1 entered promiscuous mode [ 276.028415][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.035527][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 276.043050][ T376] device bridge_slave_0 entered promiscuous mode [ 276.068326][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.075428][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 276.082776][ T376] device bridge_slave_1 entered promiscuous mode [ 276.156845][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.163906][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.171175][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.178195][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.192650][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 276.199909][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 276.207517][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 276.215311][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 276.222800][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 276.231088][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 276.239144][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.246178][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.253506][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 276.261835][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.270039][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.277040][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.284535][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 276.332381][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 276.340455][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 276.348318][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 276.356604][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 276.364642][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 276.372288][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 276.379696][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 276.387763][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.394786][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.417878][ T367] device veth0_vlan entered promiscuous mode [ 276.430954][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.439052][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.446084][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.454015][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 276.463058][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 276.470584][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 276.477918][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 276.485858][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 276.494148][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.502530][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 276.510497][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 276.518394][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 276.525813][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 276.542523][ T373] device veth0_vlan entered promiscuous mode [ 276.558971][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.567304][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 276.576247][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 276.583865][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 276.591471][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 276.599953][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 276.608158][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 276.616405][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.623440][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.630887][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 276.638227][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 276.645629][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 276.669914][ T373] device veth1_macvtap entered promiscuous mode [ 276.683509][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 276.691114][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 276.699505][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 276.707880][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 276.716742][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.724892][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.731908][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.739501][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 276.747709][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 276.755953][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.762997][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.770362][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 276.778557][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.786713][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.793738][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.801285][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 276.809318][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 276.817161][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 276.825247][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 276.833276][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 276.841212][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 276.849074][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 276.867665][ T365] device veth0_vlan entered promiscuous mode [ 276.884494][ T367] device veth1_macvtap entered promiscuous mode [ 276.893910][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 276.902288][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 276.910063][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 276.917867][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 276.926148][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.933261][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.940920][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 276.949221][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.957459][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.965698][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.972728][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.980171][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 276.988222][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 276.996433][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 277.004178][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 277.019889][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 277.028393][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 277.036880][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 277.045555][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 277.062842][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 277.071307][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 277.080100][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 277.088184][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 277.104952][ T370] device veth0_vlan entered promiscuous mode [ 277.114321][ T365] device veth1_macvtap entered promiscuous mode [ 277.121643][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 277.130194][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 277.138322][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 277.147070][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 277.156166][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 277.181922][ T376] device veth0_vlan entered promiscuous mode [ 277.194514][ T370] device veth1_macvtap entered promiscuous mode [ 277.345541][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 277.355258][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 277.644870][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 277.843315][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 277.851533][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 277.859262][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 277.982485][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 278.386117][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 278.491495][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 278.499892][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 278.507758][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 278.526372][ T376] device veth1_macvtap entered promiscuous mode [ 278.663780][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 278.672002][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 278.679634][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 278.687829][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 278.696490][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 278.704468][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 278.712882][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 278.721379][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 278.730895][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 279.125474][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 279.134172][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 279.143884][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 279.153218][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 279.162365][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 279.171126][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 279.180400][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 279.188680][ T359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 417.319993][ T26] INFO: task kworker/1:0:20 blocked for more than 122 seconds. [ 417.337216][ T26] Not tainted syzkaller #0 [ 419.807569][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 433.644325][ T26] task:kworker/1:0 state:D stack: 0 pid: 20 ppid: 2 flags:0x00004000 [ 442.931324][ T26] Workqueue: ipv6_addrconf addrconf_dad_work [ 451.664973][ T26] Call Trace: [ 455.905277][ T26] __schedule+0xc03/0x13e0 [ 462.252743][ T26] ? __sched_text_start+0x8/0x8 [ 466.301906][ T26] ? __mutex_add_waiter+0x184/0x280 [ 469.184526][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 473.646790][ T26] ? wq_worker_sleeping+0x190/0x200 [ 476.957646][ T26] schedule+0x13c/0x1d0 [ 479.035828][ T26] schedule_preempt_disabled+0x13/0x20 [ 485.358235][ T26] __mutex_lock+0x5d4/0xc40 [ 493.542449][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 518.539058][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 518.546039][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P26/1:b..l [ 518.553765][ C0] (detected by 0, t=10003 jiffies, g=1637, q=51) [ 518.560164][ C0] task:khungtaskd state:R running task stack: 0 pid: 26 ppid: 2 flags:0x00004000 [ 518.570914][ C0] Call Trace: [ 518.574202][ C0] __schedule+0xc03/0x13e0 [ 518.578611][ C0] ? __sched_text_start+0x8/0x8 [ 518.583454][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 518.588640][ C0] ? sched_clock+0x3a/0x40 [ 518.593048][ C0] preempt_schedule_irq+0xaa/0x120 [ 518.598151][ C0] ? preempt_schedule_notrace+0x120/0x120 [ 518.603868][ C0] ? __irq_exit_rcu+0x40/0x150 [ 518.608624][ C0] irqentry_exit+0x56/0x60 [ 518.613030][ C0] sysvec_apic_timer_interrupt+0xcb/0xe0 [ 518.618652][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 518.624639][ C0] RIP: 0010:rcu_is_watching+0x4/0xb0 [ 518.629928][ C0] Code: 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 70 75 0b 48 8d 65 e8 5b 41 5e 41 5f 5d c3 e8 f2 a8 2b 03 66 90 55 48 89 e5 <41> 57 41 56 53 65 ff 05 1c 8e b0 7e e8 3b af 2b 03 89 c3 83 f8 08 [ 518.649536][ C0] RSP: 0018:ffffc900001bfbb8 EFLAGS: 00000202 [ 518.655602][ C0] RAX: 0000000000000000 RBX: 0000000000000001 RCX: dffffc0000000000 [ 518.663563][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff86e7a050 [ 518.671526][ C0] RBP: ffffc900001bfbb8 R08: ffffc900001bf567 R09: fffff52000037ee0 [ 518.679489][ C0] R10: dffffc0000000000 R11: fffff52000037ead R12: ffffc900001bfc38 [ 518.687452][ C0] R13: 0000000000000000 R14: ffffffff86e7a050 R15: ffffc90000157a58 [ 518.695429][ C0] __kernel_text_address+0x76/0x100 [ 518.700618][ C0] __show_trace_log_lvl+0x25d/0x410 [ 518.705811][ C0] ? __mutex_lock_slowpath+0xe/0x10 [ 518.711002][ C0] show_stack+0x61/0x80 [ 518.715149][ C0] sched_show_task+0x314/0x480 [ 518.719901][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 518.726042][ C0] ? __ia32_sys_sched_rr_get_interval_time32+0x110/0x110 [ 518.733055][ C0] watchdog+0xa42/0xf60 [ 518.737204][ C0] ? hungtask_pm_notify+0x50/0x50 [ 518.742220][ C0] ? __kasan_check_read+0x11/0x20 [ 518.747234][ C0] ? __kthread_parkme+0xb3/0x1b0 [ 518.752180][ C0] kthread+0x324/0x3b0 [ 518.756238][ C0] ? hungtask_pm_notify+0x50/0x50 [ 518.761253][ C0] ? kthread_blkcg+0xd0/0xd0 [ 518.765829][ C0] ret_from_fork+0x1f/0x30 [ 529.959439][ T26] ? __kasan_check_write+0x14/0x20 [ 547.953824][ T26] __mutex_lock_slowpath+0xe/0x10 [ 558.641765][ T26] mutex_lock+0xdb/0xf0 [ 575.693470][ T26] ? mutex_trylock+0xb0/0xb0 [ 576.932677][ T26] ? __kasan_check_read+0x11/0x20 [ 581.201705][ T26] ? psi_group_change+0x7cb/0xe00