Warning: Permanently added '10.128.0.82' (ED25519) to the list of known hosts. 2026/04/24 20:00:23 parsed 1 programs [ 144.882739][ T28] audit: type=1400 audit(1777060823.588:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 144.903665][ T28] audit: type=1400 audit(1777060823.588:65): avc: denied { module_request } for pid=283 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 [ 146.045506][ T28] audit: type=1400 audit(1777060824.748:66): avc: denied { mounton } for pid=290 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 [ 146.049672][ T290] cgroup: Unknown subsys name 'net' [ 146.068441][ T28] audit: type=1400 audit(1777060824.748:67): avc: denied { mount } for pid=290 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 [ 146.095751][ T28] audit: type=1400 audit(1777060824.778:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 146.096039][ T290] cgroup: Unknown subsys name 'devices' [ 146.240241][ T290] cgroup: Unknown subsys name 'hugetlb' [ 146.245889][ T290] cgroup: Unknown subsys name 'rlimit' [ 146.358458][ T28] audit: type=1400 audit(1777060825.068:69): avc: denied { setattr } for pid=290 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 [ 146.381696][ T28] audit: type=1400 audit(1777060825.068:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 146.402154][ T28] audit: type=1400 audit(1777060825.068:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 146.422498][ T28] audit: type=1400 audit(1777060825.068:72): avc: denied { read } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 146.439933][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 146.443525][ T28] audit: type=1400 audit(1777060825.068:73): avc: denied { mounton } for pid=290 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 [ 146.485175][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 147.263161][ T300] request_module fs-gadgetfs succeeded, but still no fs? [ 147.651097][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.673560][ T321] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.681371][ T321] device bridge_slave_0 entered promiscuous mode [ 147.706425][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.733829][ T321] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.741502][ T321] device bridge_slave_1 entered promiscuous mode [ 147.967984][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.975124][ T321] bridge0: port 2(bridge_slave_1) entered forwarding state [ 147.982529][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.989628][ T321] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.022412][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.030617][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.038511][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 148.046186][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 148.061691][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 148.070263][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.077341][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.084946][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 148.094105][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.101238][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.117022][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 148.125391][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 148.142884][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 148.157165][ T321] device veth0_vlan entered promiscuous mode [ 148.164217][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 148.172957][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 148.181545][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 148.197033][ T321] device veth1_macvtap entered promiscuous mode [ 148.205210][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 148.218853][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 148.238838][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/04/24 20:00:27 executed programs: 0 [ 148.339281][ T321] syz-executor (321) used greatest stack depth: 21920 bytes left [ 148.493310][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.500441][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.508145][ T360] device bridge_slave_0 entered promiscuous mode [ 148.516871][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.524112][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.531763][ T360] device bridge_slave_1 entered promiscuous mode [ 148.622965][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.630389][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.637982][ T361] device bridge_slave_0 entered promiscuous mode [ 148.658782][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.665898][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.673688][ T361] device bridge_slave_1 entered promiscuous mode [ 148.725447][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.732730][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.740379][ T365] device bridge_slave_0 entered promiscuous mode [ 148.748971][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.756069][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.763652][ T365] device bridge_slave_1 entered promiscuous mode [ 148.770370][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.777427][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.784905][ T366] device bridge_slave_0 entered promiscuous mode [ 148.817472][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.824824][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.832353][ T366] device bridge_slave_1 entered promiscuous mode [ 148.905204][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.912451][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.920126][ T367] device bridge_slave_0 entered promiscuous mode [ 148.949065][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.956176][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.963794][ T367] device bridge_slave_1 entered promiscuous mode [ 149.083524][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.090636][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.097975][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.105378][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.120332][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.127425][ T361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.134750][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.142175][ T361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.171156][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.178570][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.185904][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.193505][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.201965][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.209685][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.238267][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.247136][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.255652][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.262729][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.297392][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 149.306680][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.315108][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.322225][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.329852][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 149.338468][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.346644][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.353742][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.361365][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.369833][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.376874][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.384483][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 149.402946][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.410470][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.418350][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.425806][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.434309][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.441415][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.449240][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.457434][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.464536][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.492591][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.500706][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.509017][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 149.517087][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.525389][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.533548][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.581584][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.590194][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.599149][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.609051][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.617384][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.625927][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.633151][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.641166][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.649507][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.656540][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.664106][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.673417][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.680513][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.688110][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.696268][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.703355][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.711012][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.719190][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.727335][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 149.735249][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 149.752383][ T361] device veth0_vlan entered promiscuous mode [ 149.766528][ T365] device veth0_vlan entered promiscuous mode [ 149.773520][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 149.781899][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.790209][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 149.798765][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.807075][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 149.815344][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.823445][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 149.831531][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.839893][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 149.847903][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.855934][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 149.864376][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.872947][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.880661][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 149.888239][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.895684][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 149.924144][ T361] device veth1_macvtap entered promiscuous mode [ 149.933171][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 149.942117][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.950757][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 149.959749][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 149.968202][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 149.975842][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 149.984005][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.992359][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.999888][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 150.011958][ T367] device veth0_vlan entered promiscuous mode [ 150.018324][ T366] device veth0_vlan entered promiscuous mode [ 150.030378][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 150.038586][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 150.046699][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 150.055078][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 150.063899][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 150.071447][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 150.079054][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 150.086512][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 150.098506][ T360] device veth0_vlan entered promiscuous mode [ 150.116010][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 150.124643][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 150.133298][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 150.141879][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 150.150429][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 150.159088][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 150.167524][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 150.175839][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 150.196325][ T365] device veth1_macvtap entered promiscuous mode [ 150.204584][ T367] device veth1_macvtap entered promiscuous mode [ 150.211437][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 150.220445][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 150.228192][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 150.236422][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 150.261480][ T366] device veth1_macvtap entered promiscuous mode [ 150.307045][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 250.327703][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 250.334833][ C1] (detected by 1, t=10002 jiffies, g=1589, q=534 ncpus=2) [ 250.342062][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294962236-4294952233), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 250.355451][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1589 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 250.366583][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 250.376568][ C1] rcu: RCU grace-period kthread stack dump: [ 250.382471][ C1] task:rcu_preempt state:R running task stack:28288 pid:14 ppid:2 flags:0x00004000 [ 250.393300][ C1] Call Trace: [ 250.396623][ C1] [ 250.399588][ C1] __schedule+0xba6/0x1500 [ 250.404084][ C1] ? release_firmware_map_entry+0x190/0x190 [ 250.410019][ C1] schedule+0xbd/0x170 [ 250.414130][ C1] schedule_timeout+0x159/0x340 [ 250.419048][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 250.424464][ C1] ? __cfi_process_timeout+0x10/0x10 [ 250.429783][ C1] ? prepare_to_swait_event+0x308/0x320 [ 250.435372][ C1] rcu_gp_fqs_loop+0x2e9/0x10c0 [ 250.440254][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 250.445490][ C1] ? rcu_gp_init+0xf30/0xf30 [ 250.450116][ C1] rcu_gp_kthread+0x99/0x390 [ 250.454732][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 250.459965][ C1] ? __kasan_check_read+0x11/0x20 [ 250.465025][ C1] ? __kthread_parkme+0x142/0x180 [ 250.470086][ C1] kthread+0x281/0x320 [ 250.474190][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 250.479423][ C1] ? __cfi_kthread+0x10/0x10 [ 250.484049][ C1] ret_from_fork+0x1f/0x30 [ 250.488509][ C1] [ 250.491909][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 250.498279][ C1] CPU: 1 PID: 390 Comm: syz.1.22 Not tainted syzkaller #0 [ 250.505423][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 250.515500][ C1] RIP: 0033:0x7fbaae5bc350 [ 250.519964][ C1] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 52 1d 07 00 e8 65 65 f9 ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 [ 250.539605][ C1] RSP: 002b:00007fbaaf3ceb38 EFLAGS: 00000246 [ 250.545707][ C1] RAX: 0000000000000000 RBX: 00007fbaae815fa8 RCX: 00007fbaae59cdd9 [ 250.553710][ C1] RDX: 00007fbaaf3ceb40 RSI: 00007fbaaf3cec70 RDI: 0000000000000021 [ 250.561703][ C1] RBP: 00007fbaae815fa0 R08: 0000000000000000 R09: 0000000000000000 [ 250.569722][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 250.577716][ C1] R13: 00007fbaae816038 R14: 00007ffce50aacd0 R15: 00007ffce50aadb8 [ 250.585712][ C1] FS: 00007fbaaf3cf6c0 GS: 0000000000000000 [ 428.937798][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 278s! [ 428.947013][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 278s! [ 428.955998][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 276s! [ 428.966177][ C0] Showing busy workqueues and worker pools: [ 428.972806][ C0] workqueue events: flags=0x0 [ 428.977522][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.977659][ C0] pending: kfree_rcu_monitor, rht_deferred_worker [ 428.992418][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=8/256 refcnt=9 [ 428.992549][ C0] pending: vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker [ 428.992736][ C0] workqueue events_long: flags=0x0 [ 429.022725][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.022789][ C0] pending: br_multicast_gc_work [ 429.022822][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 429.022866][ C0] pending: br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work [ 429.022959][ C0] workqueue events_unbound: flags=0x2 [ 429.062039][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=3/512 refcnt=5 [ 429.062092][ C0] in-flight: 10:linkwatch_event [ 429.062133][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 429.062316][ C0] workqueue events_power_efficient: flags=0x80 [ 429.089100][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 429.089157][ C0] pending: wg_ratelimiter_gc_entries, neigh_managed_work, neigh_periodic_work, gc_worker [ 429.089249][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 429.089289][ C0] pending: neigh_managed_work, neigh_periodic_work, check_lifetime [ 429.089363][ C0] workqueue netns: flags=0xe000a [ 429.129006][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 429.129055][ C0] in-flight: 43:cleanup_net [ 429.129100][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.146483][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.146552][ C0] pending: vmstat_update [ 429.146592][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.146643][ C0] pending: vmstat_update [ 429.146682][ C0] workqueue writeback: flags=0x4a [ 429.177338][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.177389][ C0] pending: wb_workfn [ 429.177426][ C0] workqueue kblockd: flags=0x18 [ 429.194725][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 429.194785][ C0] pending: blk_mq_timeout_work [ 429.195186][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.214452][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.214509][ C0] pending: work_fn [ 429.214651][ C0] workqueue mld: flags=0x40008 [ 429.231545][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=40 [ 429.231603][ C0] pending: mld_ifc_work [ 429.231641][ C0] inactive: mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work [ 429.233092][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=42 [ 429.233133][ C0] pending: mld_ifc_work [ 429.233168][ C0] inactive: mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work [ 429.234617][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.369028][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=108 [ 429.369085][ C0] pending: addrconf_dad_work [ 429.369128][ C0] inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 429.370874][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 429.372260][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 429.372388][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=119 [ 429.372434][ C0] in-flight: 6:addrconf_dad_work [ 429.372475][ C0] inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 429.373712][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 429.374923][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 429.375534][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.799226][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.799280][ C0] pending: wg_packet_handshake_send_worker [ 429.799321][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.818065][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.818118][ C0] pending: wg_packet_encrypt_worker [ 429.818159][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.818201][ C0] pending: wg_packet_encrypt_worker [ 429.818238][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.850599][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.850659][ C0] pending: wg_packet_encrypt_worker [ 429.850699][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.850743][ C0] pending: wg_packet_encrypt_worker [ 429.850780][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.883441][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.883499][ C0] pending: wg_packet_encrypt_worker [ 429.883547][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.883590][ C0] pending: wg_packet_encrypt_worker [ 429.883742][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.915304][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.915358][ C0] pending: wg_packet_handshake_send_worker [ 429.915399][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.934764][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.934817][ C0] pending: wg_packet_encrypt_worker [ 429.934859][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.934901][ C0] pending: wg_packet_encrypt_worker [ 429.934938][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.967004][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.967065][ C0] pending: wg_packet_handshake_send_worker [ 429.967105][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.986042][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.986105][ C0] pending: wg_packet_encrypt_worker [ 429.986147][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.986188][ C0] pending: wg_packet_encrypt_worker [ 429.986298][ C0] workqueue wg-kex-wg2: flags=0x6 [ 430.019180][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 430.019234][ C0] pending: wg_packet_handshake_send_worker [ 430.019353][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 430.038569][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.038626][ C0] pending: wg_packet_encrypt_worker [ 430.038668][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.038717][ C0] pending: wg_packet_encrypt_worker [ 430.038753][ C0] workqueue wg-kex-wg0: flags=0x6 [ 430.072241][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.072292][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.072487][ C0] workqueue wg-kex-wg0: flags=0x6 [ 430.094008][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.094060][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.094125][ C0] workqueue wg-kex-wg1: flags=0x6 [ 430.115643][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.115691][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.115755][ C0] workqueue wg-kex-wg2: flags=0x6 [ 430.137288][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.137341][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.137551][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=279s workers=4 idle: 220 383 19 [ 430.162916][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=279s workers=6 idle: 387 8 332 384