Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts. 2025/12/13 17:47:20 parsed 1 programs [ 122.491468][ T28] audit: type=1400 audit(1765648040.385:64): avc: denied { node_bind } for pid=284 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 122.512188][ T28] audit: type=1400 audit(1765648040.385:65): avc: denied { module_request } for pid=284 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 [ 123.627958][ T28] audit: type=1400 audit(1765648041.525:66): avc: denied { mounton } for pid=292 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 [ 123.629362][ T292] cgroup: Unknown subsys name 'net' [ 123.650660][ T28] audit: type=1400 audit(1765648041.525:67): avc: denied { mount } for pid=292 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 [ 123.678028][ T28] audit: type=1400 audit(1765648041.555:68): avc: denied { unmount } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 123.678238][ T292] cgroup: Unknown subsys name 'devices' [ 123.817489][ T292] cgroup: Unknown subsys name 'hugetlb' [ 123.823142][ T292] cgroup: Unknown subsys name 'rlimit' [ 123.935922][ T28] audit: type=1400 audit(1765648041.835:69): avc: denied { setattr } for pid=292 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 [ 123.959114][ T28] audit: type=1400 audit(1765648041.835:70): avc: denied { create } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 123.970909][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 123.979800][ T28] audit: type=1400 audit(1765648041.835:71): avc: denied { write } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 124.008315][ T28] audit: type=1400 audit(1765648041.835:72): avc: denied { read } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 124.019702][ T292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 124.028755][ T28] audit: type=1400 audit(1765648041.835:73): avc: denied { mounton } for pid=292 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 [ 124.838012][ T302] request_module fs-gadgetfs succeeded, but still no fs? [ 125.389492][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.396612][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.404019][ T338] device bridge_slave_0 entered promiscuous mode [ 125.412176][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.419265][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.426737][ T338] device bridge_slave_1 entered promiscuous mode [ 125.527930][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.535018][ T338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 125.542353][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.549419][ T338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 125.574603][ T268] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.582045][ T268] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.590093][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 125.597651][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 125.616609][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 125.624872][ T268] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.631945][ T268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 125.639424][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 125.648251][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.655312][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 125.662801][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 125.671066][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 125.688203][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 125.700868][ T338] device veth0_vlan entered promiscuous mode [ 125.707944][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 125.717249][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 125.724809][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready 2025/12/13 17:47:23 executed programs: 0 [ 125.739585][ T338] device veth1_macvtap entered promiscuous mode [ 125.746724][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 125.759010][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 125.775121][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 125.824546][ T338] syz-executor (338) used greatest stack depth: 21248 bytes left [ 126.002029][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.009316][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.016880][ T369] device bridge_slave_0 entered promiscuous mode [ 126.024913][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.032159][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.039589][ T369] device bridge_slave_1 entered promiscuous mode [ 126.053955][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.061160][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.068803][ T367] device bridge_slave_0 entered promiscuous mode [ 126.095160][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.102298][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.109825][ T367] device bridge_slave_1 entered promiscuous mode [ 126.200749][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.208013][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.215775][ T372] device bridge_slave_0 entered promiscuous mode [ 126.241715][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.248854][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.256388][ T372] device bridge_slave_1 entered promiscuous mode [ 126.288228][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.295375][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.302846][ T374] device bridge_slave_0 entered promiscuous mode [ 126.310092][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.317313][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.324682][ T374] device bridge_slave_1 entered promiscuous mode [ 126.422134][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.429231][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.436770][ T373] device bridge_slave_0 entered promiscuous mode [ 126.463020][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.470172][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.477686][ T373] device bridge_slave_1 entered promiscuous mode [ 126.588884][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 126.596662][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 126.664681][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.673496][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.681711][ T268] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.688775][ T268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 126.696382][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.704729][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.713037][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.720089][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 126.727695][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 126.735134][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 126.742759][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 126.754961][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 126.763211][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 126.771473][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 126.779764][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 126.811614][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 126.821036][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 126.830153][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.839742][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.848134][ T268] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.855174][ T268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 126.877254][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 126.884979][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 126.892776][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 126.900333][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.908853][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.917981][ T268] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.925028][ T268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 126.932664][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 126.940198][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 126.947784][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.956111][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.964216][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.971307][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 126.978857][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.987245][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.995463][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.002482][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.010495][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 127.025499][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 127.033818][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 127.042023][ T268] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.049080][ T268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 127.057656][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 127.066015][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 127.074166][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.081235][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.093286][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 127.103046][ T367] device veth0_vlan entered promiscuous mode [ 127.116491][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 127.124492][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 127.132717][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 127.140974][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 127.148606][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 127.172997][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 127.180524][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 127.188131][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 127.196577][ T268] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.203616][ T268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 127.211117][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 127.219496][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.226550][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.233938][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 127.242034][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 127.250124][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 127.275437][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 127.284327][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 127.293002][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 127.301169][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 127.309499][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 127.317850][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 127.333519][ T374] device veth0_vlan entered promiscuous mode [ 127.351527][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 127.360210][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 127.368185][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 127.376148][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 127.384067][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 127.393412][ T367] device veth1_macvtap entered promiscuous mode [ 127.402082][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 127.410813][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 127.432098][ T374] device veth1_macvtap entered promiscuous mode [ 127.442357][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 127.451160][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 127.459977][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 127.468982][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 127.477334][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 127.484945][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 127.493056][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 127.501331][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 127.508897][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 127.519842][ T369] device veth0_vlan entered promiscuous mode [ 127.531949][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 127.540251][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 127.557750][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 127.566102][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 127.574139][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 127.582945][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 127.591496][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 127.599952][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 127.608573][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 127.616184][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 127.624618][ T372] device veth0_vlan entered promiscuous mode [ 127.642287][ T369] device veth1_macvtap entered promiscuous mode [ 127.649269][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 127.657755][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 127.667002][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 127.674630][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 127.683087][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 127.691575][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 127.700182][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 127.714057][ T373] device veth0_vlan entered promiscuous mode [ 127.732798][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 127.741334][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 127.751413][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 127.759468][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 127.774711][ T373] device veth1_macvtap entered promiscuous mode [ 227.815177][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 227.822191][ C0] (detected by 0, t=10002 jiffies, g=1509, q=503 ncpus=2) [ 227.829411][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294959994-4294949991), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 227.842870][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1509 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 227.853993][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 227.863987][ C0] rcu: RCU grace-period kthread stack dump: [ 227.869910][ C0] task:rcu_preempt state:R running task stack:28528 pid:14 ppid:2 flags:0x00004000 [ 227.880724][ C0] Call Trace: [ 227.884019][ C0] [ 227.886964][ C0] __schedule+0xb87/0x14e0 [ 227.891420][ C0] ? __sched_text_start+0x8/0x8 [ 227.896290][ C0] schedule+0xbd/0x170 [ 227.900398][ C0] schedule_timeout+0x12c/0x2e0 [ 227.905261][ C0] ? __cfi_schedule_timeout+0x10/0x10 [ 227.910645][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 227.916120][ C0] ? __cfi_process_timeout+0x10/0x10 [ 227.921443][ C0] ? prepare_to_swait_event+0x308/0x320 [ 227.927023][ C0] rcu_gp_fqs_loop+0x2d8/0x10a0 [ 227.931892][ C0] ? rcu_gp_init+0xf10/0xf10 [ 227.936502][ C0] rcu_gp_kthread+0x95/0x370 [ 227.941122][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 227.946353][ C0] ? __kasan_check_read+0x11/0x20 [ 227.951407][ C0] ? __kthread_parkme+0x142/0x180 [ 227.956458][ C0] kthread+0x281/0x320 [ 227.960615][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 227.965883][ C0] ? __cfi_kthread+0x10/0x10 [ 227.970503][ C0] ret_from_fork+0x1f/0x30 [ 227.974949][ C0] [ 227.977985][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 227.984315][ C0] CPU: 0 PID: 426 Comm: syz.6.17 Not tainted syzkaller #0 [ 227.991441][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 228.001521][ C0] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 228.007354][ C0] Code: 74 12 48 89 fb 48 c7 c7 80 d4 ed 86 e8 f1 35 c0 fc 48 89 df 48 83 3d 26 66 f9 01 00 74 26 e8 93 0c 00 00 90 fb bf 01 00 00 00 13 4b 57 fc 65 8b 05 54 ff 0d 7b 85 c0 74 03 5b 5d c3 e8 14 0c [ 228.026981][ C0] RSP: 0018:ffffc90000e17b90 EFLAGS: 00000246 [ 228.033063][ C0] RAX: 0000000000000001 RBX: 0000000000000021 RCX: dffffc0000000000 [ 228.041040][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 228.049022][ C0] RBP: ffffc90000e17b98 R08: dffffc0000000000 R09: fffff520001c2fc0 [ 228.057011][ C0] R10: fffff520001c2fc0 R11: 1ffff920001c2fbc R12: dffffc0000000000 [ 228.065002][ C0] R13: 1ffff11022b92b74 R14: 000000001c000004 R15: ffff888115c95ba0 [ 228.072986][ C0] FS: 00007f9fad0226c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 228.081929][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 228.088523][ C0] CR2: 000020000006b000 CR3: 000000012186d000 CR4: 00000000003506b0 [ 228.096515][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 228.104501][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 228.112480][ C0] Call Trace: [ 228.115770][ C0] [ 228.118719][ C0] get_signal+0x12a4/0x1520 [ 228.123258][ C0] arch_do_signal_or_restart+0xb0/0x1030 [ 228.128906][ C0] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0 [ 228.134555][ C0] ? __cfi___x64_sys_rt_sigreturn+0x10/0x10 [ 228.140471][ C0] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 228.146650][ C0] exit_to_user_mode_loop+0x7a/0xb0 [ 228.151877][ C0] exit_to_user_mode_prepare+0x87/0xd0 [ 228.157363][ C0] syscall_exit_to_user_mode+0x1a/0x30 [ 228.162871][ C0] do_syscall_64+0x58/0xa0 [ 228.167316][ C0] ? clear_bhb_loop+0x30/0x80 [ 228.172014][ C0] ? clear_bhb_loop+0x30/0x80 [ 228.176717][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 228.182628][ C0] RIP: 0033:0x7f9fac18f747 [ 228.187061][ C0] Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 [ 228.206675][ C0] RSP: 002b:00007f9fad0220e8 EFLAGS: 00000246 [ 228.212843][ C0] RAX: 00000000000000ca RBX: 00007f9fac3e5fa8 RCX: 00007f9fac18f749 [ 228.220825][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9fac3e5fa8 [ 228.228805][ C0] RBP: 00007f9fac3e5fa0 R08: 0000000000000000 R09: 0000000000000000 [ 228.236779][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 228.244755][ C0] R13: 00007f9fac3e6038 R14: 00007ffc9d471310 R15: 00007ffc9d4713f8 [ 228.252743][ C0] [ 285.495167][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 157s! [ 285.504208][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 154s! [ 285.513326][ C0] Showing busy workqueues and worker pools: [ 285.519252][ C0] workqueue events: flags=0x0 [ 285.523940][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.523990][ C0] pending: kfree_rcu_monitor [ 285.524020][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.524056][ C0] pending: vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor [ 285.524114][ C0] workqueue events_unbound: flags=0x2 [ 285.557414][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=7 [ 285.557456][ C0] in-flight: 421:linkwatch_event [ 285.557495][ C0] pending: fsnotify_mark_destroy_workfn, fsnotify_connector_destroy_workfn, flush_memcg_stats_dwork, toggle_allocation_gate [ 285.557578][ C0] workqueue events_power_efficient: flags=0x80 [ 285.589419][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 285.589484][ C0] pending: neigh_managed_work, neigh_periodic_work [ 285.589543][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 285.589581][ C0] pending: wg_ratelimiter_gc_entries, neigh_managed_work, neigh_periodic_work, gc_worker, check_lifetime [ 285.589697][ C0] workqueue netns: flags=0xe000a [ 285.628314][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 285.628360][ C0] in-flight: 8:cleanup_net [ 285.628402][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.645421][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.645464][ C0] pending: vmstat_update [ 285.645496][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.645533][ C0] pending: vmstat_update [ 285.645564][ C0] workqueue writeback: flags=0x4a [ 285.675049][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.675089][ C0] pending: wb_workfn [ 285.675116][ C0] workqueue kblockd: flags=0x18 [ 285.691476][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 285.691526][ C0] pending: blk_mq_timeout_work [ 285.691872][ C0] workqueue dm_bufio_cache: flags=0x8 [ 285.710208][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.710259][ C0] pending: work_fn [ 285.710296][ C0] workqueue mld: flags=0x40008 [ 285.726804][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=49 [ 285.726845][ C0] pending: mld_ifc_work [ 285.726868][ C0] inactive: 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_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_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_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_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_dad_work, mld_ifc_work, mld_dad_work [ 285.727423][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=29 [ 285.727458][ C0] pending: mld_ifc_work [ 285.727479][ C0] inactive: 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_dad_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 [ 285.727791][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.854587][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=123 [ 285.854636][ C0] in-flight: 60:addrconf_dad_work [ 285.854671][ 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 [ 285.855320][ 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 [ 285.855966][ 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_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 286.078276][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=117 [ 286.078333][ C0] in-flight: 362:addrconf_dad_work [ 286.078367][ 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 [ 286.078973][ 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 [ 286.079586][ 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_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 286.079772][ C0] workqueue wg-kex-wg0: flags=0x6 [ 286.297100][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.297149][ C0] pending: wg_packet_handshake_send_worker [ 286.297183][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 286.315844][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.315886][ C0] pending: wg_packet_encrypt_worker [ 286.315915][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.315950][ C0] pending: wg_packet_encrypt_worker [ 286.315975][ C0] workqueue wg-kex-wg1: flags=0x6 [ 286.347368][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.347412][ C0] pending: wg_packet_handshake_send_worker [ 286.347445][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 286.366110][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.366154][ C0] pending: wg_packet_encrypt_worker [ 286.366182][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.366220][ C0] pending: wg_packet_encrypt_worker [ 286.366246][ C0] workqueue wg-kex-wg2: flags=0x6 [ 286.397664][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.397705][ C0] pending: wg_packet_handshake_send_worker [ 286.397738][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 286.416392][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.416433][ C0] pending: wg_packet_encrypt_worker [ 286.416460][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.416494][ C0] pending: wg_packet_encrypt_worker [ 286.416521][ C0] workqueue wg-kex-wg0: flags=0x6 [ 286.447918][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 286.447955][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 286.448000][ C0] workqueue wg-kex-wg1: flags=0x6 [ 286.469238][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 286.469274][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 286.469320][ C0] workqueue wg-kex-wg0: flags=0x6 [ 286.490585][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.490625][ C0] pending: wg_packet_handshake_send_worker [ 286.490655][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 286.509324][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.509369][ C0] pending: wg_packet_encrypt_worker [ 286.509402][ C0] workqueue wg-kex-wg1: flags=0x6 [ 286.527633][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.527667][ C0] pending: wg_packet_handshake_send_worker [ 286.527693][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 286.546337][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.546378][ C0] pending: wg_packet_encrypt_worker [ 286.546406][ C0] workqueue wg-kex-wg2: flags=0x6 [ 286.564622][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 286.564659][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 286.564714][ C0] workqueue wg-kex-wg0: flags=0x6 [ 286.585981][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.586020][ C0] pending: wg_packet_handshake_send_worker [ 286.586057][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 286.604776][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.604819][ C0] pending: wg_packet_encrypt_worker [ 286.604850][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.604890][ C0] pending: wg_packet_encrypt_worker [ 286.604918][ C0] workqueue wg-kex-wg1: flags=0x6 [ 286.636328][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 286.636367][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 286.636413][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 286.657949][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.657992][ C0] pending: wg_packet_encrypt_worker [ 286.658022][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.658078][ C0] pending: wg_packet_encrypt_worker [ 286.658104][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 286.689728][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.689771][ C0] pending: wg_packet_encrypt_worker [ 286.689798][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.689836][ C0] pending: wg_packet_encrypt_worker [ 286.689867][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=158s workers=4 idle: 19 414 6 [ 286.689926][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=158s workers=4 idle: 422 39 24 [ 286.690082][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=158s workers=5 idle: 268 43 10