Warning: Permanently added '10.128.1.185' (ED25519) to the list of known hosts. 2026/05/28 10:56:04 parsed 1 programs [ 219.440926][ T30] audit: type=1400 audit(1779965764.644:64): avc: denied { node_bind } for pid=294 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 219.462059][ T30] audit: type=1400 audit(1779965764.644:65): avc: denied { module_request } for pid=294 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 [ 220.414812][ T30] audit: type=1400 audit(1779965765.624:66): avc: denied { mounton } for pid=301 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 220.418429][ T301] cgroup: Unknown subsys name 'net' [ 220.437607][ T30] audit: type=1400 audit(1779965765.624:67): avc: denied { mount } for pid=301 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 [ 220.464822][ T30] audit: type=1400 audit(1779965765.644:68): avc: denied { unmount } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 220.465297][ T301] cgroup: Unknown subsys name 'devices' [ 220.606807][ T301] cgroup: Unknown subsys name 'hugetlb' [ 220.612444][ T301] cgroup: Unknown subsys name 'rlimit' [ 220.789746][ T30] audit: type=1400 audit(1779965765.994:69): avc: denied { setattr } for pid=301 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 220.812944][ T30] audit: type=1400 audit(1779965765.994:70): avc: denied { create } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 220.833350][ T30] audit: type=1400 audit(1779965765.994:71): avc: denied { write } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 220.853624][ T30] audit: type=1400 audit(1779965765.994:72): avc: denied { read } for pid=301 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 [ 220.873820][ T30] audit: type=1400 audit(1779965765.994:73): avc: denied { mounton } for pid=301 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 [ 220.909718][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 220.931100][ T301] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 221.455122][ T311] request_module fs-gadgetfs succeeded, but still no fs? [ 221.987300][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.994373][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.006681][ T343] device bridge_slave_0 entered promiscuous mode [ 222.018208][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.025342][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.032773][ T343] device bridge_slave_1 entered promiscuous mode [ 222.168423][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.175526][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 222.182852][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.189925][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 222.216544][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.223861][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.231792][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 222.242113][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 222.257369][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 222.265652][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.272692][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 222.280183][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 222.289056][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.296157][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 222.314026][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 222.322897][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 222.330911][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 222.340379][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 222.348504][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 222.355980][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready 2026/05/28 10:56:07 executed programs: 0 [ 222.364062][ T343] device veth0_vlan entered promiscuous mode [ 222.374102][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 222.383180][ T343] device veth1_macvtap entered promiscuous mode [ 222.392226][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 222.402285][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 222.484909][ T343] syz-executor (343) used greatest stack depth: 20952 bytes left [ 222.613783][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.621201][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.628663][ T371] device bridge_slave_0 entered promiscuous mode [ 222.637241][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.644286][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.651838][ T371] device bridge_slave_1 entered promiscuous mode [ 222.718648][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.725775][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.733098][ T377] device bridge_slave_0 entered promiscuous mode [ 222.741783][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.748889][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.756354][ T377] device bridge_slave_1 entered promiscuous mode [ 222.762906][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.769967][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.777567][ T378] device bridge_slave_0 entered promiscuous mode [ 222.801192][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.808356][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.815804][ T378] device bridge_slave_1 entered promiscuous mode [ 222.848398][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.855544][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.862888][ T373] device bridge_slave_0 entered promiscuous mode [ 222.870100][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.877312][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.885073][ T373] device bridge_slave_1 entered promiscuous mode [ 222.963280][ T375] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.970394][ T375] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.978704][ T375] device bridge_slave_0 entered promiscuous mode [ 223.004983][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.012056][ T375] bridge0: port 2(bridge_slave_1) entered disabled state [ 223.019510][ T375] device bridge_slave_1 entered promiscuous mode [ 223.154445][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.161531][ T375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.187560][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 223.195950][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.203341][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.228565][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.236107][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.243487][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.252130][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.260465][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.267547][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.275299][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 223.283549][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.291775][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.298823][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.306253][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.313650][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.321133][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.329469][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.337811][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.344877][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.352299][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 223.360672][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.368808][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.375869][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.383394][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.391189][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.425847][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.434224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.442482][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.449560][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.459011][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 223.467618][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.476005][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.483045][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.490685][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 223.498906][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.507089][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 223.515261][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.523591][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.531792][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.541090][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.573269][ T371] device veth0_vlan entered promiscuous mode [ 223.588309][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 223.596956][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 223.604432][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 223.612587][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 223.621396][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 223.629488][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 223.637011][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 223.645810][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.653413][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.661064][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.668631][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.677077][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.685430][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.692460][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.699879][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.708263][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.715328][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.722711][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.730719][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 223.739276][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 223.747760][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.756524][ T378] device veth0_vlan entered promiscuous mode [ 223.764868][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.776803][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 223.792184][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 223.811409][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 223.819638][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 223.827840][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 223.835579][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 223.846890][ T371] device veth1_macvtap entered promiscuous mode [ 223.856373][ T378] device veth1_macvtap entered promiscuous mode [ 223.864761][ T377] device veth0_vlan entered promiscuous mode [ 223.873541][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.881236][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.888738][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.898007][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.906322][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.913342][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.920819][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.938498][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 223.946903][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 223.955537][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 223.963695][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 223.972228][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 223.980617][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 223.989450][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 223.997891][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 224.016189][ T375] device veth0_vlan entered promiscuous mode [ 224.034227][ T377] device veth1_macvtap entered promiscuous mode [ 224.041462][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 224.050918][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 224.060018][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 224.068298][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 224.078668][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 224.087099][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 224.096844][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 224.103906][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 224.111508][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 224.120147][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 224.128191][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 224.136600][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 224.145744][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 224.159464][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 224.167715][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 224.183237][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 414.544437][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 414.551456][ C0] (detected by 0, t=10002 jiffies, g=1661, q=542) [ 414.557974][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294978662-4294968659), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 414.571368][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1661 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 414.582505][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 414.592492][ C0] rcu: RCU grace-period kthread stack dump: [ 414.598393][ C0] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000 [ 414.609217][ C0] Call Trace: [ 414.612511][ C0] [ 414.615456][ C0] __schedule+0xb6e/0x14c0 [ 414.619915][ C0] ? release_firmware_map_entry+0x190/0x190 [ 414.625936][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 414.631771][ C0] ? __mod_timer+0x7da/0xb50 [ 414.636375][ C0] schedule+0x11e/0x1e0 [ 414.640550][ C0] schedule_timeout+0x159/0x340 [ 414.645421][ C0] ? console_conditional_schedule+0x30/0x30 [ 414.651328][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 414.656800][ C0] ? update_process_times+0x200/0x200 [ 414.662202][ C0] ? prepare_to_swait_event+0x308/0x320 [ 414.667769][ C0] rcu_gp_fqs_loop+0x2ae/0xf80 [ 414.672549][ C0] ? __kasan_check_write+0x14/0x20 [ 414.677673][ C0] ? debug_smp_processor_id+0x17/0x20 [ 414.683062][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 414.688197][ C0] ? rcu_gp_init+0xc00/0xc00 [ 414.692811][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 414.698042][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 414.702654][ C0] rcu_gp_kthread+0x9b/0x360 [ 414.707267][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 414.711962][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 414.716658][ C0] ? __kasan_check_read+0x11/0x20 [ 414.721702][ C0] ? __kthread_parkme+0xac/0x200 [ 414.726668][ C0] kthread+0x411/0x500 [ 414.730752][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 414.735460][ C0] ? kthread_blkcg+0xd0/0xd0 [ 414.740072][ C0] ret_from_fork+0x1f/0x30 [ 414.744509][ C0] [ 414.747540][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 414.753891][ C0] NMI backtrace for cpu 0 [ 414.758228][ C0] CPU: 0 PID: 400 Comm: syz.0.23 Not tainted syzkaller #0 [ 414.765345][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 414.775422][ C0] Call Trace: [ 414.778716][ C0] [ 414.781567][ C0] __dump_stack+0x21/0x30 [ 414.785920][ C0] dump_stack_lvl+0x110/0x170 [ 414.790627][ C0] ? show_regs_print_info+0x20/0x20 [ 414.795840][ C0] dump_stack+0x15/0x20 [ 414.800024][ C0] nmi_cpu_backtrace+0x2af/0x2c0 [ 414.804990][ C0] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 414.811187][ C0] ? load_image+0x3e0/0x3e0 [ 414.815713][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 414.821923][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 414.828016][ C0] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 414.834033][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 414.839946][ C0] rcu_check_gp_kthread_starvation+0x1e0/0x260 [ 414.846117][ C0] print_other_cpu_stall+0xe33/0x1010 [ 414.851503][ C0] ? print_cpu_stall+0x600/0x600 [ 414.856456][ C0] ? cgroup_rstat_updated+0xf5/0x360 [ 414.861760][ C0] rcu_sched_clock_irq+0x8b2/0x12c0 [ 414.866974][ C0] ? rcu_boost_kthread_setaffinity+0x320/0x320 [ 414.873144][ C0] ? hrtimer_run_queues+0x166/0x430 [ 414.878352][ C0] update_process_times+0x198/0x200 [ 414.883581][ C0] tick_sched_timer+0x17c/0x240 [ 414.888462][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 414.894021][ C0] __hrtimer_run_queues+0x39f/0x8c0 [ 414.899237][ C0] ? hrtimer_interrupt+0x8c0/0x8c0 [ 414.904373][ C0] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 414.910460][ C0] hrtimer_interrupt+0x3c7/0x8c0 [ 414.915415][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 414.921327][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 414.926980][ C0] [ 414.929926][ C0] [ 414.932866][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 414.938872][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 414.944712][ C0] Code: 12 48 89 fb 48 c7 c7 78 47 6d 86 e8 b1 76 f4 fc 48 89 df 48 83 3d be 5e b8 01 00 74 27 e8 63 22 9b fc 66 90 fb bf 01 00 00 00 e2 f3 92 fc 65 8b 05 b3 84 4d 7b 85 c0 74 03 5b 5d c3 e8 13 90 [ 414.964350][ C0] RSP: 0018:ffffc90002c67b98 EFLAGS: 00000246 [ 414.970441][ C0] RAX: 0000000000000001 RBX: 0000000000000021 RCX: dffffc0000000000 [ 414.978434][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 414.986434][ C0] RBP: ffffc90002c67ba0 R08: ffffc90002c67dff R09: 1ffff9200058cfbf [ 414.994422][ C0] R10: dffffc0000000000 R11: fffff5200058cfc0 R12: 1ffff110236bcda4 [ 415.002530][ C0] R13: dffffc0000000000 R14: ffff88811b5e6d20 R15: 000000001c000004 [ 415.010529][ C0] ? _raw_spin_unlock_irq+0x41/0x70 [ 415.015743][ C0] get_signal+0x13b2/0x1480 [ 415.020274][ C0] arch_do_signal_or_restart+0xdf/0x11c0 [ 415.025924][ C0] ? __ia32_sys_rt_sigreturn+0x639/0x730 [ 415.031589][ C0] ? load_gs_index+0xc0/0xc0 [ 415.036198][ C0] ? get_sigframe_size+0x10/0x10 [ 415.041186][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 415.047362][ C0] exit_to_user_mode_loop+0xa7/0xe0 [ 415.052579][ C0] exit_to_user_mode_prepare+0x87/0xd0 [ 415.058049][ C0] syscall_exit_to_user_mode+0x1a/0x30 [ 415.063520][ C0] do_syscall_64+0x58/0xa0 [ 415.067979][ C0] ? clear_bhb_loop+0x50/0xa0 [ 415.072683][ C0] ? clear_bhb_loop+0x50/0xa0 [ 415.077366][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 415.083282][ C0] RIP: 0033:0x7f80f434ee57 [ 415.087707][ C0] Code: 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 [ 415.107409][ C0] RSP: 002b:00007f80f41b10e8 EFLAGS: 00000246 [ 415.113489][ C0] RAX: 00000000000000ca RBX: 00007f80f45c7fa8 RCX: 00007f80f434ee59 [ 415.121475][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f80f45c7fa8 [ 415.129459][ C0] RBP: 00007f80f45c7fa0 R08: 0000000000000000 R09: 0000000000000000 [ 415.137438][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 415.145427][ C0] R13: 00007f80f45c8038 R14: 00007ffc84d3fdd0 R15: 00007ffc84d3feb8 [ 415.153439][ C0] [ 428.904437][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 204s! [ 428.913377][ C0] Showing busy workqueues and worker pools: [ 428.919290][ C0] workqueue events: flags=0x0 [ 428.923977][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.924026][ C0] pending: kfree_rcu_monitor [ 428.924055][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.924090][ C0] pending: vmstat_shepherd, psi_avgs_work [ 428.924129][ C0] workqueue events_unbound: flags=0x2 [ 428.955797][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=7 [ 428.955837][ C0] in-flight: 8:linkwatch_event [ 428.955866][ C0] pending: fsnotify_connector_destroy_workfn, fsnotify_mark_destroy_workfn, flush_memcg_stats_dwork, toggle_allocation_gate [ 428.955943][ C0] workqueue events_power_efficient: flags=0x80 [ 428.987626][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.987682][ C0] pending: wg_ratelimiter_gc_entries, neigh_periodic_work, check_lifetime [ 428.987748][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.987783][ C0] pending: neigh_periodic_work, gc_worker [ 428.987820][ C0] workqueue netns: flags=0xe000a [ 429.022930][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 429.022968][ C0] in-flight: 266:cleanup_net [ 429.023001][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.040209][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.040249][ C0] pending: vmstat_update [ 429.040284][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.040326][ C0] pending: vmstat_update [ 429.040349][ C0] workqueue writeback: flags=0x4a [ 429.069814][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.069851][ C0] pending: wb_workfn [ 429.069987][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.086799][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.086839][ C0] pending: work_fn [ 429.086936][ C0] workqueue mld: flags=0x40008 [ 429.103397][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=42 [ 429.103436][ C0] pending: mld_ifc_work [ 429.103458][ C0] inactive: 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_dad_work, mld_ifc_work, mld_dad_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_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work [ 429.103887][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=57 [ 429.103922][ C0] pending: mld_ifc_work [ 429.103940][ C0] inactive: mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_dad_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_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_dad_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_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_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_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work [ 429.250734][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.256394][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=101 [ 429.256439][ C0] in-flight: 394:addrconf_dad_work [ 429.256473][ 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 [ 429.257079][ 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_verify_work [ 429.257615][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=114 [ 429.257650][ C0] in-flight: 20:addrconf_dad_work [ 429.257680][ 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 [ 429.258223][ 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 [ 429.258784][ 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 [ 429.259134][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.652902][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.652956][ C0] pending: wg_packet_encrypt_worker [ 429.652990][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.653029][ C0] pending: wg_packet_encrypt_worker [ 429.653055][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.684730][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.684776][ C0] pending: wg_packet_encrypt_worker [ 429.684805][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.684841][ C0] pending: wg_packet_encrypt_worker [ 429.684932][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.716622][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.716668][ C0] pending: wg_packet_encrypt_worker [ 429.716696][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.716730][ C0] pending: wg_packet_encrypt_worker [ 429.716877][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.748417][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.748462][ C0] pending: wg_packet_handshake_send_worker [ 429.748493][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.767171][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.767214][ C0] pending: wg_packet_encrypt_worker [ 429.767241][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.767277][ C0] pending: wg_packet_encrypt_worker [ 429.767302][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.799093][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.799142][ C0] pending: wg_packet_encrypt_worker [ 429.799173][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.799211][ C0] pending: wg_packet_encrypt_worker [ 429.799237][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.830641][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.830681][ C0] pending: wg_packet_handshake_send_worker [ 429.830709][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.849383][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.849429][ C0] pending: wg_packet_encrypt_worker [ 429.849458][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.849497][ C0] pending: wg_packet_encrypt_worker [ 429.849522][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.880918][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.880973][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.881018][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.902358][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.902392][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.902432][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.923691][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.923728][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.923859][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=205s workers=4 idle: 6 366 60 [ 429.923944][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=205s workers=4 idle: 39 351 26 [ 429.924028][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=205s workers=5 idle: 350 10 45