syzkaller syzkaller login: [ 14.440089][ T28] kauditd_printk_skb: 48 callbacks suppressed [ 14.440103][ T28] audit: type=1400 audit(1782020138.370:59): avc: denied { transition } for pid=226 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 [ 14.444237][ T28] audit: type=1400 audit(1782020138.370:60): avc: denied { noatsecure } for pid=226 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.447095][ T28] audit: type=1400 audit(1782020138.380:61): avc: denied { write } for pid=226 comm="sh" path="pipe:[14414]" dev="pipefs" ino=14414 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.450170][ T28] audit: type=1400 audit(1782020138.380:62): avc: denied { rlimitinh } for pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.452744][ T28] audit: type=1400 audit(1782020138.380:63): avc: denied { siginh } for pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts. 2026/06/21 05:39:31 parsed 1 programs 2026/06/21 05:39:31 serving rpc on tcp://38985 [ 247.200851][ T28] audit: type=1400 audit(1782020371.130:64): avc: denied { node_bind } for pid=296 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 247.222240][ T28] audit: type=1400 audit(1782020371.130:65): avc: denied { module_request } for pid=296 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 [ 247.952676][ T28] audit: type=1400 audit(1782020371.890:66): avc: denied { mounton } for pid=303 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 [ 247.955101][ T303] cgroup: Unknown subsys name 'net' [ 247.975357][ T28] audit: type=1400 audit(1782020371.890:67): avc: denied { mount } for pid=303 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 [ 248.002620][ T28] audit: type=1400 audit(1782020371.910:68): avc: denied { unmount } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 248.003090][ T303] cgroup: Unknown subsys name 'devices' [ 248.144517][ T303] cgroup: Unknown subsys name 'hugetlb' [ 248.150135][ T303] cgroup: Unknown subsys name 'rlimit' [ 248.258253][ T28] audit: type=1400 audit(1782020372.190:69): avc: denied { setattr } for pid=303 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 248.281424][ T28] audit: type=1400 audit(1782020372.190:70): avc: denied { create } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 248.301832][ T28] audit: type=1400 audit(1782020372.190:71): avc: denied { write } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 248.322256][ T28] audit: type=1400 audit(1782020372.190:72): avc: denied { read } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 248.326972][ T306] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 248.342494][ T28] audit: type=1400 audit(1782020372.190:73): avc: denied { mounton } for pid=303 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 248.358031][ T303] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 249.054359][ T315] request_module fs-gadgetfs succeeded, but still no fs? [ 249.320664][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 249.345660][ T327] bridge0: port 1(bridge_slave_0) entered disabled state [ 249.353627][ T327] device bridge_slave_0 entered promiscuous mode [ 249.362068][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 249.369291][ T327] bridge0: port 2(bridge_slave_1) entered disabled state [ 249.376892][ T327] device bridge_slave_1 entered promiscuous mode [ 249.483648][ T330] syz-executor (330) used greatest stack depth: 22176 bytes left [ 249.514787][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 249.521859][ T327] bridge0: port 2(bridge_slave_1) entered forwarding state [ 249.529349][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 249.536425][ T327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 249.646829][ T222] bridge0: port 1(bridge_slave_0) entered disabled state [ 249.657837][ T222] bridge0: port 2(bridge_slave_1) entered disabled state [ 249.674131][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 249.681737][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 249.700181][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 249.710985][ T222] bridge0: port 1(bridge_slave_0) entered blocking state [ 249.718091][ T222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 249.742687][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 249.755927][ T222] bridge0: port 2(bridge_slave_1) entered blocking state [ 249.763016][ T222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 249.794114][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 249.810463][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 249.829239][ T327] device veth0_vlan entered promiscuous mode [ 249.842026][ T327] device veth1_macvtap entered promiscuous mode [ 249.849590][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 249.858348][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 249.867250][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 249.875145][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 249.882899][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready 2026/06/21 05:39:33 executed programs: 0 [ 249.896124][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 249.912928][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 250.044411][ T327] syz-executor (327) used greatest stack depth: 21952 bytes left [ 250.108323][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.115403][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.122877][ T374] device bridge_slave_0 entered promiscuous mode [ 250.149052][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.156149][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.163643][ T374] device bridge_slave_1 entered promiscuous mode [ 250.199324][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.206418][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.213941][ T377] device bridge_slave_0 entered promiscuous mode [ 250.222389][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.229501][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.237003][ T377] device bridge_slave_1 entered promiscuous mode [ 250.312333][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.319434][ T381] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.326930][ T381] device bridge_slave_0 entered promiscuous mode [ 250.334034][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.341065][ T381] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.348526][ T381] device bridge_slave_1 entered promiscuous mode [ 250.387559][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.394702][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.401985][ T379] device bridge_slave_0 entered promiscuous mode [ 250.408972][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.416028][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.423433][ T379] device bridge_slave_1 entered promiscuous mode [ 250.439058][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.446138][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.453726][ T382] device bridge_slave_0 entered promiscuous mode [ 250.489250][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.496364][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.503978][ T382] device bridge_slave_1 entered promiscuous mode [ 250.657990][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.665054][ T379] bridge0: port 2(bridge_slave_1) entered forwarding state [ 250.672311][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.679350][ T379] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.691741][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.698805][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 250.706067][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.713109][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.747454][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.754511][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 250.761739][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.768774][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.777265][ T222] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.784670][ T222] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.792167][ T222] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.799477][ T222] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.806920][ T222] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.814178][ T222] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.822166][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 250.829740][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 250.843043][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 250.851365][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 250.859597][ T222] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.866624][ T222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.874106][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 250.882358][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 250.890761][ T222] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.897792][ T222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 250.924413][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 250.947481][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 250.955788][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 250.963473][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 250.971723][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 250.980059][ T222] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.987107][ T222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.994734][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 251.003044][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 251.011127][ T222] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.018156][ T222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 251.025640][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 251.074399][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 251.081980][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 251.090171][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 251.098248][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 251.106471][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 251.114610][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 251.122583][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 251.130695][ T222] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.137735][ T222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 251.145090][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 251.153338][ T222] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.160346][ T222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 251.167757][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 251.175682][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 251.189759][ T374] device veth0_vlan entered promiscuous mode [ 251.206797][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 251.215130][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 251.223118][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 251.230783][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 251.240064][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 251.248307][ T222] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.255340][ T222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 251.262993][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 251.271108][ T222] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.278141][ T222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 251.301043][ T377] device veth0_vlan entered promiscuous mode [ 251.307324][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 251.315860][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 251.324318][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 251.331686][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 251.339356][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 251.347882][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 251.356122][ T222] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.363202][ T222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 251.370744][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 251.378786][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 251.386993][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 251.395301][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 251.403501][ T222] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.410505][ T222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 251.418124][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 251.425592][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 251.448860][ T377] device veth1_macvtap entered promiscuous mode [ 251.455649][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 251.463886][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 251.471792][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 251.480135][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 251.488322][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 251.496797][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 251.504927][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 251.513031][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 251.520878][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 251.529210][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 251.537583][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 251.545749][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 251.553984][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 251.566620][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 251.574997][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 251.583525][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 251.591380][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 251.601263][ T374] device veth1_macvtap entered promiscuous mode [ 251.615574][ T379] device veth0_vlan entered promiscuous mode [ 251.622960][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 251.630598][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 251.638142][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 251.645772][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 251.654184][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 251.662395][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 251.670757][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 251.694489][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 251.703155][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 251.711336][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 251.719772][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 251.737084][ T379] device veth1_macvtap entered promiscuous mode [ 251.751249][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 251.759790][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 251.768281][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 251.777324][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 251.785781][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 251.794467][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 251.803212][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 251.826184][ T382] device veth0_vlan entered promiscuous mode [ 251.834383][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 251.842390][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 251.850873][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 251.859556][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 251.868911][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 251.877579][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 251.886324][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 251.894599][ T222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 251.903952][ T381] device veth0_vlan entered promiscuous mode [ 351.942492][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 351.949541][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P103/1:b..l [ 351.957511][ C0] (detected by 0, t=10002 jiffies, g=1369, q=872 ncpus=2) [ 351.964725][ C0] task:udevd state:R running task stack:26952 pid:103 ppid:1 flags:0x00004000 [ 351.975620][ C0] Call Trace: [ 351.978944][ C0] [ 351.981967][ C0] __schedule+0xbe2/0x14b0 [ 351.986599][ C0] ? release_firmware_map_entry+0x190/0x190 [ 351.992541][ C0] ? preempt_schedule+0xbc/0xd0 [ 351.997397][ C0] preempt_schedule_common+0x9b/0xf0 [ 352.002682][ C0] preempt_schedule+0xbc/0xd0 [ 352.007356][ C0] ? __cfi_preempt_schedule+0x10/0x10 [ 352.012743][ C0] preempt_schedule_thunk+0x16/0x18 [ 352.018043][ C0] _raw_spin_unlock_irqrestore+0x6f/0x80 [ 352.023697][ C0] __wake_up_sync_key+0x17b/0x2b0 [ 352.028741][ C0] ? __cfi___wake_up_sync_key+0x10/0x10 [ 352.034392][ C0] ? __kasan_check_write+0x14/0x20 [ 352.039515][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 352.044978][ C0] sock_def_readable+0x138/0x320 [ 352.049923][ C0] ? __cfi_sock_def_readable+0x10/0x10 [ 352.055393][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 352.061212][ C0] ? skb_queue_tail+0xcb/0xf0 [ 352.065889][ C0] netlink_sendskb+0x12d/0x1f0 [ 352.070660][ C0] netlink_unicast+0x3b4/0xa60 [ 352.075429][ C0] netlink_sendmsg+0x8b9/0xbd0 [ 352.080197][ C0] ? __cfi_netlink_recvmsg+0x10/0x10 [ 352.085485][ C0] ? __cfi_netlink_sendmsg+0x10/0x10 [ 352.090787][ C0] ? security_socket_sendmsg+0x93/0xb0 [ 352.096257][ C0] ? __cfi_netlink_sendmsg+0x10/0x10 [ 352.101545][ C0] ____sys_sendmsg+0x5fb/0x9c0 [ 352.106311][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 352.111335][ C0] ? import_iovec+0x7c/0xb0 [ 352.115838][ C0] ___sys_sendmsg+0x2a2/0x360 [ 352.120520][ C0] ? __sys_sendmsg+0x290/0x290 [ 352.125289][ C0] ? __kasan_check_read+0x11/0x20 [ 352.130310][ C0] ? __fdget+0x15b/0x220 [ 352.134552][ C0] __x64_sys_sendmsg+0x20d/0x2e0 [ 352.139491][ C0] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 352.144954][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 352.151022][ C0] x64_sys_call+0x171/0x9a0 [ 352.155525][ C0] do_syscall_64+0x4c/0xa0 [ 352.159940][ C0] ? clear_bhb_loop+0x30/0x80 [ 352.164608][ C0] ? clear_bhb_loop+0x30/0x80 [ 352.169275][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 352.175205][ C0] RIP: 0033:0x7f428c6a7407 [ 352.179714][ C0] RSP: 002b:00007ffc7c6ec060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 352.188140][ C0] RAX: ffffffffffffffda RBX: 00007f428cd3e880 RCX: 00007f428c6a7407 [ 352.196111][ C0] RDX: 0000000000000000 RSI: 00007ffc7c6ec0c0 RDI: 0000000000000004 [ 352.204079][ C0] RBP: 0000559efee7b040 R08: 0000000000000000 R09: 0000000000000000 [ 352.212049][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000b2 [ 352.220016][ C0] R13: 0000559efec3dd80 R14: 0000000000000000 R15: 0000000000000000 [ 352.228032][ C0] [ 352.231128][ C0] rcu: rcu_preempt kthread starved for 2214 jiffies! g1369 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 352.242147][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 352.252117][ C0] rcu: RCU grace-period kthread stack dump: [ 352.257998][ C0] task:rcu_preempt state:R running task stack:28480 pid:14 ppid:2 flags:0x00004000 [ 352.268774][ C0] Call Trace: [ 352.272056][ C0] [ 352.275029][ C0] __schedule+0xbe2/0x14b0 [ 352.279455][ C0] ? release_firmware_map_entry+0x190/0x190 [ 352.285349][ C0] schedule+0xbd/0x170 [ 352.289419][ C0] schedule_timeout+0x159/0x340 [ 352.294268][ C0] ? __cfi_schedule_timeout+0x10/0x10 [ 352.299645][ C0] ? __cfi_process_timeout+0x10/0x10 [ 352.304933][ C0] ? prepare_to_swait_event+0x30f/0x330 [ 352.310492][ C0] rcu_gp_fqs_loop+0x2ed/0x1100 [ 352.315344][ C0] ? __cfi_dyntick_save_progress_counter+0x10/0x10 [ 352.321845][ C0] ? rcu_gp_init+0xf30/0xf30 [ 352.326474][ C0] rcu_gp_kthread+0x99/0x390 [ 352.331065][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 352.336260][ C0] ? try_to_wake_up+0x622/0x1250 [ 352.341203][ C0] ? __kasan_check_read+0x11/0x20 [ 352.346234][ C0] ? __kthread_parkme+0x13a/0x180 [ 352.351258][ C0] kthread+0x281/0x320 [ 352.355327][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 352.360554][ C0] ? __cfi_kthread+0x10/0x10 [ 352.365148][ C0] ret_from_fork+0x1f/0x30 [ 352.369569][ C0] [ 352.372589][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 352.378987][ C0] Sending NMI from CPU 0 to CPUs 1: [ 352.384252][ C1] NMI backtrace for cpu 1 [ 352.384315][ C1] CPU: 1 PID: 406 Comm: syz.0.17 Not tainted syzkaller #0 [ 352.384331][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 352.384339][ C1] RIP: 0010:clear_bhb_loop+0x66/0x80 [ 352.384358][ C1] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc b8 05 00 00 00 eb 01 90 <83> e8 01 75 f8 83 e9 01 75 bb c3 0f ae e8 5d c3 00 00 cc cc 00 00 [ 352.384408][ C1] RSP: 0018:ffffc90000a47f28 EFLAGS: 00000002 [ 352.384421][ C1] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000000003 [ 352.384430][ C1] RDX: 0000000000000000 RSI: 000000000000000f RDI: ffffc90000a47f58 [ 352.384439][ C1] RBP: ffffc90000a47f48 R08: 0000000000000000 R09: 0000000000000000 [ 352.384448][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 352.384480][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 352.384488][ C1] FS: 00007f3b59bf86c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 352.384501][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 352.384511][ C1] CR2: 000020000006b000 CR3: 000000011f2bd000 CR4: 00000000003506a0 [ 352.384524][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 352.384532][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 352.384541][ C1] Call Trace: [ 352.384545][ C1] [ 352.384550][ C1] ? clear_bhb_loop+0x30/0x80 [ 352.384585][ C1] ? clear_bhb_loop+0x30/0x80 [ 352.384597][ C1] ? clear_bhb_loop+0x30/0x80 [ 352.384609][ C1] ? clear_bhb_loop+0xe/0x80 [ 352.384621][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xd2 [ 352.384640][ C1] RIP: 0033:0x7f3b58d3e1d9 [ 352.384651][ C1] Code: 11 06 00 66 2e 0f 1f 84 00 00 00 00 00 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 0c 25 [ 352.384661][ C1] RSP: 002b:00007f3b59bf7b40 EFLAGS: 00000206 ORIG_RAX: 000000000000000f [ 352.384675][ C1] RAX: ffffffffffffffda RBX: 00007f3b59015fa8 RCX: 00007f3b58d3e1d9 [ 352.384685][ C1] RDX: 00007f3b59bf7b40 RSI: 00007f3b59bf7c70 RDI: 0000000000000021 [ 352.384694][ C1] RBP: 00007f3b59015fa0 R08: 0000000000000000 R09: 0000000000000000 [ 352.384702][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 352.384710][ C1] R13: 00007f3b59016038 R14: 00007ffffb40bb10 R15: 00007ffffb40bbf8 [ 352.384722][ C1]