Warning: Permanently added '10.128.0.57' (ED25519) to the list of known hosts. 2026/04/28 06:59:07 parsed 1 programs [ 195.415399][ T28] audit: type=1400 audit(1777359547.333:64): 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 [ 195.418299][ T28] audit: type=1400 audit(1777359547.333:65): 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 [ 196.116395][ T28] audit: type=1400 audit(1777359548.033:66): avc: denied { mounton } for pid=289 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 [ 196.117421][ T289] cgroup: Unknown subsys name 'net' [ 196.139046][ T28] audit: type=1400 audit(1777359548.033:67): avc: denied { mount } for pid=289 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 [ 196.166313][ T28] audit: type=1400 audit(1777359548.073:68): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 196.166470][ T289] cgroup: Unknown subsys name 'devices' [ 196.284200][ T289] cgroup: Unknown subsys name 'hugetlb' [ 196.289790][ T289] cgroup: Unknown subsys name 'rlimit' [ 196.396462][ T28] audit: type=1400 audit(1777359548.313:69): avc: denied { setattr } for pid=289 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 [ 196.419605][ T28] audit: type=1400 audit(1777359548.313:70): avc: denied { create } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 196.439933][ T28] audit: type=1400 audit(1777359548.313:71): avc: denied { write } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 196.460211][ T28] audit: type=1400 audit(1777359548.313:72): avc: denied { read } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 196.468572][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 196.480384][ T28] audit: type=1400 audit(1777359548.313:73): avc: denied { mounton } for pid=289 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 [ 196.520173][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 197.206506][ T300] request_module fs-gadgetfs succeeded, but still no fs? [ 197.355303][ T302] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.362360][ T302] bridge0: port 1(bridge_slave_0) entered disabled state [ 197.369738][ T302] device bridge_slave_0 entered promiscuous mode [ 197.377526][ T302] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.385571][ T302] bridge0: port 2(bridge_slave_1) entered disabled state [ 197.392900][ T302] device bridge_slave_1 entered promiscuous mode [ 197.605255][ T302] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.612325][ T302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 197.619630][ T302] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.626663][ T302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 197.723356][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 197.731738][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 197.739383][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 197.747004][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 197.796646][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 197.804914][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.811950][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 197.819450][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 197.827659][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.834699][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 197.856873][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 197.865299][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 197.877951][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 197.889913][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 197.913437][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 197.932788][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 197.943495][ T302] device veth0_vlan entered promiscuous mode [ 197.961446][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 197.970760][ T302] device veth1_macvtap entered promiscuous mode [ 197.980789][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 198.000620][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/04/28 06:59:09 executed programs: 0 [ 198.060764][ T302] syz-executor (302) used greatest stack depth: 20704 bytes left [ 198.228033][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.235172][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.242403][ T363] device bridge_slave_0 entered promiscuous mode [ 198.254442][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.261474][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.268973][ T363] device bridge_slave_1 entered promiscuous mode [ 198.292130][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.299200][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.306551][ T364] device bridge_slave_0 entered promiscuous mode [ 198.314292][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.321321][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.328721][ T364] device bridge_slave_1 entered promiscuous mode [ 198.367803][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.374961][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.382343][ T369] device bridge_slave_0 entered promiscuous mode [ 198.419408][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.426553][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.433932][ T369] device bridge_slave_1 entered promiscuous mode [ 198.505265][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.512301][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.519919][ T367] device bridge_slave_0 entered promiscuous mode [ 198.550279][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.557350][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.564829][ T367] device bridge_slave_1 entered promiscuous mode [ 198.590790][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.597876][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.605301][ T370] device bridge_slave_0 entered promiscuous mode [ 198.633327][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.640344][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.647680][ T370] device bridge_slave_1 entered promiscuous mode [ 198.686455][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.693503][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 198.700748][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.707772][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 198.730702][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.738072][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.745552][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 198.753039][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 198.783487][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 198.791680][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 198.799995][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.807024][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 198.814642][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 198.823057][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 198.831171][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.838194][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 198.864402][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 198.888307][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 198.896205][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 198.904182][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 198.911573][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 198.920026][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 198.928314][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.935349][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 198.942686][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 198.950877][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 198.959064][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.966087][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 198.973634][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 199.006460][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.014440][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 199.025057][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.063876][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 199.072468][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 199.080049][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.087508][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 199.095988][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.103030][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 199.122748][ T363] device veth0_vlan entered promiscuous mode [ 199.130231][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 199.138203][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 199.145996][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 199.154124][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 199.162166][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 199.169660][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 199.177097][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 199.185319][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.192326][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 199.199748][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 199.215217][ T364] device veth0_vlan entered promiscuous mode [ 199.229935][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.237681][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 199.247063][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 199.256082][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.263130][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 199.285780][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.293663][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 199.301342][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.309463][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 199.317708][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.324751][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 199.332703][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 199.340777][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.347796][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 199.355146][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 199.363291][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 199.371371][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.378474][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 199.386142][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 199.395805][ T364] device veth1_macvtap entered promiscuous mode [ 199.402639][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 199.410964][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 199.425356][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 199.433752][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 199.445542][ T369] device veth0_vlan entered promiscuous mode [ 199.465976][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 199.474102][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 199.481995][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 199.490202][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 199.498227][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 199.506425][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.514343][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 199.522434][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 199.530801][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 199.538985][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 199.547219][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 199.555338][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 199.563384][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 199.571306][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.579308][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 199.586767][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 199.595792][ T363] device veth1_macvtap entered promiscuous mode [ 199.611310][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 199.619046][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 199.627406][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 199.661055][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 199.670438][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 199.679618][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 199.688110][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 199.700474][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 199.708753][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 199.720801][ T369] device veth1_macvtap entered promiscuous mode [ 299.762532][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 299.769519][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P103/1:b..l [ 299.777332][ C0] (detected by 0, t=10002 jiffies, g=1221, q=581 ncpus=2) [ 299.784532][ C0] task:udevd state:R running task stack:26880 pid:103 ppid:1 flags:0x00004000 [ 299.795324][ C0] Call Trace: [ 299.798603][ C0] [ 299.801527][ C0] __schedule+0xba6/0x1500 [ 299.805954][ C0] ? release_firmware_map_entry+0x190/0x190 [ 299.811842][ C0] ? preempt_schedule+0xbc/0xd0 [ 299.816697][ C0] preempt_schedule_common+0x9b/0xf0 [ 299.821989][ C0] preempt_schedule+0xbc/0xd0 [ 299.826664][ C0] ? __cfi_preempt_schedule+0x10/0x10 [ 299.832033][ C0] preempt_schedule_thunk+0x16/0x18 [ 299.837232][ C0] _raw_spin_unlock_irqrestore+0x6f/0x80 [ 299.842860][ C0] __wake_up_sync_key+0x17b/0x2b0 [ 299.847887][ C0] ? __cfi___wake_up_sync_key+0x10/0x10 [ 299.853440][ C0] ? __kasan_check_write+0x14/0x20 [ 299.858551][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 299.864016][ C0] sock_def_readable+0x138/0x320 [ 299.868956][ C0] ? security_sock_rcv_skb+0x8c/0xb0 [ 299.874237][ C0] ? __cfi_sock_def_readable+0x10/0x10 [ 299.879692][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 299.885495][ C0] ? skb_queue_tail+0xcb/0xf0 [ 299.890169][ C0] netlink_sendskb+0x12d/0x1f0 [ 299.894932][ C0] netlink_unicast+0x3ab/0xa30 [ 299.899698][ C0] netlink_sendmsg+0x8b9/0xbd0 [ 299.904456][ C0] ? __cfi_netlink_sendmsg+0x10/0x10 [ 299.909738][ C0] ? security_socket_sendmsg+0x93/0xb0 [ 299.915192][ C0] ? __cfi_netlink_sendmsg+0x10/0x10 [ 299.920472][ C0] ____sys_sendmsg+0x5cc/0x990 [ 299.925249][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 299.930276][ C0] ? import_iovec+0x7c/0xb0 [ 299.934779][ C0] ___sys_sendmsg+0x2a2/0x360 [ 299.939456][ C0] ? __sys_sendmsg+0x290/0x290 [ 299.944218][ C0] ? __kasan_check_read+0x11/0x20 [ 299.949238][ C0] ? __fdget+0x15b/0x220 [ 299.953477][ C0] __x64_sys_sendmsg+0x205/0x2d0 [ 299.958408][ C0] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 299.963865][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 299.969931][ C0] x64_sys_call+0x171/0x9a0 [ 299.974429][ C0] do_syscall_64+0x4c/0xa0 [ 299.978841][ C0] ? clear_bhb_loop+0x30/0x80 [ 299.983514][ C0] ? clear_bhb_loop+0x30/0x80 [ 299.988188][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 299.994084][ C0] RIP: 0033:0x7efd8d8a7407 [ 299.998505][ C0] RSP: 002b:00007fff902a8ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 300.006913][ C0] RAX: ffffffffffffffda RBX: 00007efd8df80880 RCX: 00007efd8d8a7407 [ 300.014879][ C0] RDX: 0000000000000000 RSI: 00007fff902a8d40 RDI: 0000000000000004 [ 300.022842][ C0] RBP: 000055e58125f210 R08: 0000000000000000 R09: 0000000000000000 [ 300.030807][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000b2 [ 300.038769][ C0] R13: 000055e581013d80 R14: 0000000000000000 R15: 0000000000000000 [ 300.046734][ C0] [ 300.049745][ C0] rcu: rcu_preempt kthread starved for 10027 jiffies! g1221 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 300.060852][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 300.070818][ C0] rcu: RCU grace-period kthread stack dump: [ 300.076697][ C0] task:rcu_preempt state:R running task stack:28496 pid:14 ppid:2 flags:0x00004000 [ 300.087468][ C0] Call Trace: [ 300.090742][ C0] [ 300.093669][ C0] __schedule+0xba6/0x1500 [ 300.098086][ C0] ? release_firmware_map_entry+0x190/0x190 [ 300.103976][ C0] schedule+0xbd/0x170 [ 300.108040][ C0] schedule_timeout+0x159/0x340 [ 300.112883][ C0] ? __cfi_schedule_timeout+0x10/0x10 [ 300.118245][ C0] ? __cfi_process_timeout+0x10/0x10 [ 300.123535][ C0] ? prepare_to_swait_event+0x308/0x320 [ 300.129092][ C0] rcu_gp_fqs_loop+0x2e9/0x10c0 [ 300.133942][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 300.139141][ C0] ? rcu_gp_init+0xf30/0xf30 [ 300.143740][ C0] rcu_gp_kthread+0x99/0x390 [ 300.148325][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 300.153517][ C0] ? __kasan_check_read+0x11/0x20 [ 300.158543][ C0] ? __kthread_parkme+0x142/0x180 [ 300.163572][ C0] kthread+0x281/0x320 [ 300.167646][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 300.172855][ C0] ? __cfi_kthread+0x10/0x10 [ 300.177444][ C0] ret_from_fork+0x1f/0x30 [ 300.181859][ C0] [ 300.184867][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 300.191188][ C0] Sending NMI from CPU 0 to CPUs 1: [ 300.196400][ C1] NMI backtrace for cpu 1 [ 300.196414][ C1] CPU: 1 PID: 391 Comm: syz.6.20 Not tainted syzkaller #0 [ 300.196428][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 300.196435][ C1] RIP: 0010:entry_SYSCALL_64_after_hwframe+0x59/0xd2 [ 300.196461][ C1] Code: 45 31 e4 45 31 ed 45 31 f6 45 31 ff 48 89 e7 48 63 f0 66 90 b9 48 00 00 00 65 48 8b 14 25 e8 6d 02 00 89 d0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 e8 a9 12 00 00 e8 34 20 db ff 0f 1f 44 00 00 48 8b [ 300.196473][ C1] RSP: 0018:ffffc90000a57f58 EFLAGS: 00000046 [ 300.196486][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000048 [ 300.196495][ C1] RDX: 0000000000000000 RSI: 000000000000000f RDI: ffffc90000a57f58 [ 300.196505][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 300.196513][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.196521][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 300.196529][ C1] FS: 00007f60523c76c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 300.196543][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 300.196553][ C1] CR2: 0000001b33a63fff CR3: 0000000121e8b000 CR4: 00000000003506a0 [ 300.196571][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 300.196579][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 300.196588][ C1] Call Trace: [ 300.196592][ C1] [ 300.196600][ C1] [ 428.812827][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 229s! [ 428.821788][ C0] Showing busy workqueues and worker pools: [ 428.827713][ C0] workqueue events: flags=0x0 [ 428.832377][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.832495][ C0] pending: kfree_rcu_monitor [ 428.846771][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.846921][ C0] pending: psi_avgs_work, vmstat_shepherd, kfree_rcu_monitor [ 428.847023][ C0] workqueue events_unbound: flags=0x2 [ 428.867940][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=7 [ 428.868081][ C0] in-flight: 43:linkwatch_event [ 428.868120][ C0] pending: fsnotify_mark_destroy_workfn, fsnotify_connector_destroy_workfn, toggle_allocation_gate, flush_memcg_stats_dwork [ 428.868349][ C0] workqueue events_power_efficient: flags=0x80 [ 428.900076][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 [ 428.900120][ C0] pending: wg_ratelimiter_gc_entries, neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, check_lifetime [ 428.900230][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.900264][ C0] pending: gc_worker [ 428.900290][ C0] workqueue netns: flags=0xe000a [ 428.938813][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 428.938848][ C0] in-flight: 312:cleanup_net [ 428.938945][ C0] workqueue mm_percpu_wq: flags=0x8 [ 428.956073][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.956111][ C0] pending: vmstat_update [ 428.956139][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.956173][ C0] pending: vmstat_update [ 428.956200][ C0] workqueue writeback: flags=0x4a [ 428.988081][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 428.988126][ C0] pending: wb_workfn [ 428.988155][ C0] workqueue kblockd: flags=0x18 [ 429.004416][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 429.004456][ C0] pending: blk_mq_timeout_work [ 429.004727][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.022985][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.023027][ C0] pending: work_fn [ 429.023120][ C0] workqueue mld: flags=0x40008 [ 429.039543][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=64 [ 429.039580][ C0] pending: mld_ifc_work [ 429.039611][ C0] inactive: 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_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_dad_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_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, 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_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work [ 429.041650][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=44 [ 429.041683][ C0] pending: mld_ifc_work [ 429.041711][ C0] inactive: 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_ifc_work, mld_dad_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, mld_ifc_work, mld_dad_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_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work [ 429.200743][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.206387][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=119 [ 429.206429][ C0] in-flight: 60:addrconf_dad_work [ 429.206468][ 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 [ 429.207561][ 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 [ 429.208655][ 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_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 429.208929][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=103 [ 429.208963][ C0] in-flight: 19:addrconf_dad_work [ 429.208995][ 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 [ 429.210011][ 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_verify_work [ 429.211008][ C0] , addrconf_verify_work [ 429.211207][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.624595][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.624637][ C0] pending: wg_packet_handshake_send_worker [ 429.624742][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.643359][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.643399][ C0] pending: wg_packet_encrypt_worker [ 429.643433][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.643465][ C0] pending: wg_packet_encrypt_worker [ 429.643494][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.675053][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.675094][ C0] pending: wg_packet_encrypt_worker [ 429.675124][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.675157][ C0] pending: wg_packet_encrypt_worker [ 429.675185][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.706748][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.706788][ C0] pending: wg_packet_encrypt_worker [ 429.706817][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.706850][ C0] pending: wg_packet_encrypt_worker [ 429.707033][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.738338][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.738377][ C0] pending: wg_packet_handshake_send_worker [ 429.738448][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.758405][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.758453][ C0] pending: wg_packet_encrypt_worker [ 429.758486][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.758519][ C0] pending: wg_packet_encrypt_worker [ 429.758656][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.789985][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.790028][ C0] pending: wg_packet_handshake_send_worker [ 429.790061][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.808659][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.808699][ C0] pending: wg_packet_encrypt_worker [ 429.808737][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.808770][ C0] pending: wg_packet_encrypt_worker [ 429.808857][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.840173][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.840211][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.840263][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.861734][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.861775][ C0] pending: wg_packet_encrypt_worker [ 429.861806][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.861839][ C0] pending: wg_packet_encrypt_worker [ 429.861935][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.894093][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.894136][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.894285][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.915491][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.915525][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.915692][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.936906][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.936946][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.937088][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=230s workers=4 idle: 350 6 344 [ 429.937174][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=230s workers=3 idle: 24 39 [ 429.937218][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=230s workers=6 idle: 358 357 8 10