Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts. 2026/04/14 20:43:19 parsed 1 programs [ 147.238299][ T30] audit: type=1400 audit(1776199399.466:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 147.259406][ T30] audit: type=1400 audit(1776199399.466:65): avc: denied { module_request } for pid=282 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 [ 147.880911][ T30] audit: type=1400 audit(1776199400.116:66): 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 [ 147.882024][ T289] cgroup: Unknown subsys name 'net' [ 147.903944][ T30] audit: type=1400 audit(1776199400.116:67): 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 [ 147.931474][ T30] audit: type=1400 audit(1776199400.146:68): 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 [ 147.931638][ T289] cgroup: Unknown subsys name 'devices' [ 148.070677][ T289] cgroup: Unknown subsys name 'hugetlb' [ 148.076403][ T289] cgroup: Unknown subsys name 'rlimit' [ 148.278402][ T30] audit: type=1400 audit(1776199400.506:69): avc: denied { setattr } for pid=289 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 [ 148.302028][ T30] audit: type=1400 audit(1776199400.516:70): 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 [ 148.322627][ T30] audit: type=1400 audit(1776199400.516:71): 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 [ 148.343087][ T30] audit: type=1400 audit(1776199400.516:72): 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 [ 148.348866][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 148.363745][ T30] audit: type=1400 audit(1776199400.516:73): 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 Setting up swapspace version 1, size = 127995904 bytes [ 148.446115][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 148.939243][ T300] request_module fs-gadgetfs succeeded, but still no fs? [ 149.375697][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.402831][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.411091][ T331] device bridge_slave_0 entered promiscuous mode [ 149.432973][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.440294][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.449946][ T331] device bridge_slave_1 entered promiscuous mode [ 149.569328][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.576412][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.584175][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.591274][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.617103][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.624849][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.633517][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.641350][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.661949][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.670350][ T266] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.677616][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.686516][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.695722][ T266] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.702818][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.710447][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.718479][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.744821][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.754712][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.763001][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.770949][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 149.785867][ T331] device veth0_vlan entered promiscuous mode [ 149.795934][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 149.805398][ T331] device veth1_macvtap entered promiscuous mode 2026/04/14 20:43:22 executed programs: 0 [ 149.814489][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 149.828708][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 150.001078][ T359] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.008144][ T359] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.015542][ T359] device bridge_slave_0 entered promiscuous mode [ 150.023262][ T359] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.030508][ T359] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.037909][ T359] device bridge_slave_1 entered promiscuous mode [ 150.142205][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.150696][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.159484][ T366] device bridge_slave_0 entered promiscuous mode [ 150.168587][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.175868][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.183210][ T366] device bridge_slave_1 entered promiscuous mode [ 150.202500][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.209810][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.217282][ T361] device bridge_slave_0 entered promiscuous mode [ 150.226802][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.233875][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.241380][ T361] device bridge_slave_1 entered promiscuous mode [ 150.293976][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.301224][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.308494][ T362] device bridge_slave_0 entered promiscuous mode [ 150.315714][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.322929][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.330620][ T362] device bridge_slave_1 entered promiscuous mode [ 150.353448][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.360666][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.368098][ T365] device bridge_slave_0 entered promiscuous mode [ 150.376240][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.383319][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.390770][ T365] device bridge_slave_1 entered promiscuous mode [ 150.570132][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 150.577774][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.586388][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 150.595056][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.603845][ T266] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.610983][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.648923][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 150.657022][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 150.664685][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.673597][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 150.682253][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.690678][ T266] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.697795][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.705358][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 150.713716][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 150.722045][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 150.730074][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 150.743601][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 150.751065][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.776169][ T359] device veth0_vlan entered promiscuous mode [ 150.790365][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 150.799933][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.808459][ T266] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.815526][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.823517][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 150.831157][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.839597][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 150.847810][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.856926][ T266] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.863988][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.871438][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 150.879795][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.887951][ T266] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.894985][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.902466][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 150.910806][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.919003][ T266] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.926029][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.933411][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 150.941700][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 150.950157][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 150.957506][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.965095][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 150.973206][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 150.981336][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 150.990019][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.998307][ T266] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.005805][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.013920][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 151.022229][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 151.030961][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 151.038597][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 151.046298][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 151.053823][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 151.061699][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 151.085212][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.093379][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 151.102166][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.110625][ T266] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.117674][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.125290][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.133608][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.141842][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.152722][ T359] device veth1_macvtap entered promiscuous mode [ 151.163694][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 151.172383][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 151.180316][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 151.188605][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 151.197083][ T266] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.204149][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.211872][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 151.220426][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.229110][ T266] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.236147][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.243886][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 151.260159][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.268212][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 151.276513][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 151.285656][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 151.294203][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 151.307707][ T365] device veth0_vlan entered promiscuous mode [ 151.317952][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 151.326203][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 151.334205][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 151.341926][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.353551][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 151.361928][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 151.385322][ T361] device veth0_vlan entered promiscuous mode [ 151.392567][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 151.401618][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.411127][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 151.420315][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.428374][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 151.437403][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 151.446127][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 151.454619][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 151.467686][ T365] device veth1_macvtap entered promiscuous mode [ 151.513194][ T366] device veth0_vlan entered promiscuous mode [ 151.536144][ T361] device veth1_macvtap entered promiscuous mode [ 251.558739][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 251.566576][ C1] (detected by 1, t=10002 jiffies, g=1461, q=616) [ 251.573219][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294962368-4294952365), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 251.586783][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1461 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 251.598109][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 251.608097][ C1] rcu: RCU grace-period kthread stack dump: [ 251.614098][ C1] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000 [ 251.625035][ C1] Call Trace: [ 251.628312][ C1] [ 251.631275][ C1] __schedule+0xb6e/0x14c0 [ 251.635708][ C1] ? release_firmware_map_entry+0x190/0x190 [ 251.641693][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 251.647522][ C1] ? __mod_timer+0x7da/0xb50 [ 251.652125][ C1] schedule+0x11e/0x1e0 [ 251.656294][ C1] schedule_timeout+0x159/0x340 [ 251.661271][ C1] ? console_conditional_schedule+0x30/0x30 [ 251.667199][ C1] ? update_process_times+0x200/0x200 [ 251.672590][ C1] ? prepare_to_swait_event+0x308/0x320 [ 251.678155][ C1] rcu_gp_fqs_loop+0x2ae/0xf80 [ 251.682934][ C1] ? __kasan_check_write+0x14/0x20 [ 251.688051][ C1] ? debug_smp_processor_id+0x17/0x20 [ 251.693519][ C1] ? __note_gp_changes+0x4e2/0x9e0 [ 251.698632][ C1] ? rcu_gp_init+0xc00/0xc00 [ 251.703351][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 251.708634][ C1] ? rcu_gp_init+0x9a7/0xc00 [ 251.713221][ C1] rcu_gp_kthread+0x9b/0x360 [ 251.717812][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 251.722489][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 251.727169][ C1] ? __kasan_check_read+0x11/0x20 [ 251.732199][ C1] ? __kthread_parkme+0xac/0x200 [ 251.737144][ C1] kthread+0x411/0x500 [ 251.741219][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 251.745902][ C1] ? kthread_blkcg+0xd0/0xd0 [ 251.750519][ C1] ret_from_fork+0x1f/0x30 [ 251.754965][ C1] [ 251.758466][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 251.764802][ C1] NMI backtrace for cpu 1 [ 251.769133][ C1] CPU: 1 PID: 394 Comm: syz.0.23 Not tainted syzkaller #0 [ 251.777424][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 251.787964][ C1] Call Trace: [ 251.791343][ C1] [ 251.794189][ C1] __dump_stack+0x21/0x30 [ 251.798527][ C1] dump_stack_lvl+0x110/0x170 [ 251.803292][ C1] ? show_regs_print_info+0x20/0x20 [ 251.808775][ C1] dump_stack+0x15/0x20 [ 251.812954][ C1] nmi_cpu_backtrace+0x2af/0x2c0 [ 251.817900][ C1] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 251.824055][ C1] ? load_image+0x3e0/0x3e0 [ 251.828566][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 251.834728][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 251.840812][ C1] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 251.846804][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 251.852833][ C1] rcu_check_gp_kthread_starvation+0x1e0/0x260 [ 251.859004][ C1] print_other_cpu_stall+0xe33/0x1010 [ 251.864493][ C1] ? print_cpu_stall+0x600/0x600 [ 251.869452][ C1] ? cgroup_rstat_updated+0xf5/0x360 [ 251.874822][ C1] rcu_sched_clock_irq+0x8b2/0x12c0 [ 251.880076][ C1] ? rcu_boost_kthread_setaffinity+0x320/0x320 [ 251.886232][ C1] ? hrtimer_run_queues+0x166/0x430 [ 251.891440][ C1] update_process_times+0x198/0x200 [ 251.896643][ C1] tick_sched_timer+0x17c/0x240 [ 251.901512][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 251.907058][ C1] __hrtimer_run_queues+0x39f/0x8c0 [ 251.912371][ C1] ? call_timer_fn+0x65/0x290 [ 251.917153][ C1] ? hrtimer_interrupt+0x8c0/0x8c0 [ 251.922348][ C1] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 251.928465][ C1] hrtimer_interrupt+0x3c7/0x8c0 [ 251.933426][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 251.939335][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 251.944968][ C1] [ 251.947986][ C1] [ 251.950909][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 251.956902][ C1] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 251.962764][ C1] Code: 12 48 89 fb 48 c7 c7 b8 3e 6d 86 e8 91 be f4 fc 48 89 df 48 83 3d ae 07 b9 01 00 74 27 e8 f3 bb 9b fc 66 90 fb bf 01 00 00 00 a2 90 93 fc 65 8b 05 63 36 4e 7b 85 c0 74 03 5b 5d c3 e8 c3 41 [ 251.982586][ C1] RSP: 0018:ffffc90000c77b98 EFLAGS: 00000246 [ 251.988655][ C1] RAX: 0000000000000001 RBX: 0000000000000021 RCX: dffffc0000000000 [ 251.996719][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 252.004792][ C1] RBP: ffffc90000c77ba0 R08: ffffc90000c77dff R09: 1ffff9200018efbf [ 252.012769][ C1] R10: dffffc0000000000 R11: fffff5200018efc0 R12: 1ffff110218cb3cc [ 252.020845][ C1] R13: dffffc0000000000 R14: ffff88810c659e60 R15: 000000001c000004 [ 252.029105][ C1] ? _raw_spin_unlock_irq+0x41/0x70 [ 252.034337][ C1] get_signal+0x13b2/0x1480 [ 252.038842][ C1] arch_do_signal_or_restart+0xdf/0x11c0 [ 252.044487][ C1] ? __ia32_sys_rt_sigreturn+0x639/0x730 [ 252.050139][ C1] ? load_gs_index+0xc0/0xc0 [ 252.054746][ C1] ? get_sigframe_size+0x10/0x10 [ 252.059707][ C1] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 252.065532][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 252.070753][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 252.076243][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 252.081813][ C1] do_syscall_64+0x58/0xa0 [ 252.086231][ C1] ? clear_bhb_loop+0x50/0xa0 [ 252.090914][ C1] ? clear_bhb_loop+0x50/0xa0 [ 252.095675][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 252.101568][ C1] RIP: 0033:0x7f242f6d8817 [ 252.106082][ C1] 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 [ 252.125926][ C1] RSP: 002b:00007f242f53b0e8 EFLAGS: 00000246 [ 252.131997][ C1] RAX: 00000000000000ca RBX: 00007f242f951fa8 RCX: 00007f242f6d8819 [ 252.139968][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f242f951fa8 [ 252.147935][ C1] RBP: 00007f242f951fa0 R08: 0000000000000000 R09: 0000000000000000 [ 252.155907][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 252.163874][ C1] R13: 00007f242f952038 R14: 00007ffc89736690 R15: 00007ffc89736778 [ 252.171853][ C1] [ 428.848750][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 277s! [ 428.858187][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 277s! [ 428.867267][ C0] Showing busy workqueues and worker pools: [ 428.873253][ C0] workqueue events: flags=0x0 [ 428.878031][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.878073][ C0] pending: kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker [ 428.878137][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=7/256 refcnt=8 [ 428.878169][ C0] pending: psi_avgs_work, vmstat_shepherd, kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker [ 428.878272][ C0] workqueue events_long: flags=0x0 [ 428.923612][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 428.923659][ C0] pending: br_multicast_gc_work, br_multicast_gc_work [ 428.923695][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 428.923731][ C0] pending: br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work [ 428.923785][ C0] workqueue events_unbound: flags=0x2 [ 428.965952][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6 [ 428.966006][ C0] in-flight: 266:linkwatch_event [ 428.966036][ C0] pending: fsnotify_mark_destroy_workfn, flush_memcg_stats_dwork, toggle_allocation_gate [ 428.966183][ C0] workqueue events_power_efficient: flags=0x80 [ 428.996971][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.997021][ C0] pending: neigh_periodic_work [ 428.997066][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 428.997100][ C0] pending: wg_ratelimiter_gc_entries, neigh_periodic_work, gc_worker, check_lifetime [ 428.997164][ C0] workqueue netns: flags=0xe000a [ 429.035781][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 429.035822][ C0] in-flight: 10:cleanup_net [ 429.035856][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.053201][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.053242][ C0] pending: vmstat_update [ 429.053273][ C0] workqueue writeback: flags=0x4a [ 429.071241][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.071287][ C0] pending: wb_workfn [ 429.071314][ C0] workqueue kblockd: flags=0x18 [ 429.087948][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 429.088071][ C0] pending: blk_mq_timeout_work [ 429.088172][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.106995][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.107041][ C0] pending: work_fn [ 429.107175][ C0] workqueue mld: flags=0x40008 [ 429.124867][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=40 [ 429.124912][ C0] pending: mld_ifc_work [ 429.124940][ C0] inactive: mld_dad_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, 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_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work [ 429.125416][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=69 [ 429.125448][ C0] pending: mld_ifc_work [ 429.125470][ C0] inactive: mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_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_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_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_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_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_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_dad_work [ 429.126299][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.293820][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=85 [ 429.293869][ C0] in-flight: 382:addrconf_dad_work [ 429.293900][ 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 [ 429.294384][ 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 [ 429.294701][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=103 [ 429.294733][ C0] in-flight: 383:addrconf_dad_work [ 429.294757][ 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 [ 429.295249][ 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_verify_work [ 429.295931][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.649174][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.649220][ C0] pending: wg_packet_encrypt_worker [ 429.649252][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.649285][ C0] pending: wg_packet_encrypt_worker [ 429.649311][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.681429][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.681477][ C0] pending: wg_packet_encrypt_worker [ 429.681506][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.681548][ C0] pending: wg_packet_encrypt_worker [ 429.681578][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.714520][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.714573][ C0] pending: wg_packet_encrypt_worker [ 429.714600][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.714635][ C0] pending: wg_packet_encrypt_worker [ 429.714659][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.746282][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.746321][ C0] pending: wg_packet_handshake_send_worker [ 429.746349][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.765067][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.765117][ C0] pending: wg_packet_encrypt_worker [ 429.765147][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.765180][ C0] pending: wg_packet_encrypt_worker [ 429.765205][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.796988][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.797035][ C0] pending: wg_packet_encrypt_worker [ 429.797063][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.797097][ C0] pending: wg_packet_encrypt_worker [ 429.797120][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.828565][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.828608][ C0] pending: wg_packet_handshake_send_worker [ 429.828638][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.847265][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.847306][ C0] pending: wg_packet_encrypt_worker [ 429.847334][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.847368][ C0] pending: wg_packet_encrypt_worker [ 429.847404][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.878835][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.878874][ C0] pending: wg_packet_handshake_send_worker [ 429.878902][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.898368][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.898419][ C0] pending: wg_packet_encrypt_worker [ 429.898450][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.898483][ C0] pending: wg_packet_encrypt_worker [ 429.898506][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.930352][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.930393][ C0] pending: wg_packet_handshake_send_worker [ 429.930420][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.949360][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.949400][ C0] pending: wg_packet_encrypt_worker [ 429.949427][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.949461][ C0] pending: wg_packet_encrypt_worker [ 429.949485][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.981349][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.981393][ C0] pending: wg_packet_handshake_send_worker [ 429.981421][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 430.000393][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.000436][ C0] pending: wg_packet_encrypt_worker [ 430.000464][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.000498][ C0] pending: wg_packet_encrypt_worker [ 430.000523][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=278s workers=4 idle: 20 6 56 [ 430.000579][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=278s workers=4 idle: 332 26 39 [ 430.000626][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=278s workers=5 idle: 390 8 45 [ 434.028659][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 434.036045][ C1] (detected by 1, t=10002 jiffies, g=1473, q=97) [ 434.042487][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294980615-4294970612), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 434.055889][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1473 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 434.067102][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 434.077221][ C1] rcu: RCU grace-period kthread stack dump: [ 434.083119][ C1] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000 [ 434.093910][ C1] Call Trace: [ 434.097218][ C1] [ 434.100249][ C1] __schedule+0xb6e/0x14c0 [ 434.104785][ C1] ? release_firmware_map_entry+0x190/0x190 [ 434.110685][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 434.116513][ C1] ? __mod_timer+0x7da/0xb50 [ 434.121249][ C1] schedule+0x11e/0x1e0 [ 434.125494][ C1] schedule_timeout+0x159/0x340 [ 434.130350][ C1] ? console_conditional_schedule+0x30/0x30 [ 434.136331][ C1] ? update_process_times+0x200/0x200 [ 434.141709][ C1] ? prepare_to_swait_event+0x308/0x320 [ 434.147267][ C1] rcu_gp_fqs_loop+0x2ae/0xf80 [ 434.152136][ C1] ? __kasan_check_write+0x14/0x20 [ 434.157353][ C1] ? debug_smp_processor_id+0x17/0x20 [ 434.162743][ C1] ? __note_gp_changes+0x4e2/0x9e0 [ 434.167861][ C1] ? rcu_gp_init+0xc00/0xc00 [ 434.172626][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 434.177918][ C1] ? rcu_gp_init+0x9a7/0xc00 [ 434.182513][ C1] rcu_gp_kthread+0x9b/0x360 [ 434.187369][ C1] ? _raw_spin_lock+0xf0/0xf0 [ 434.192149][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 434.196833][ C1] ? __kasan_check_read+0x11/0x20 [ 434.202547][ C1] ? __kthread_parkme+0xac/0x200 [ 434.207846][ C1] kthread+0x411/0x500 [ 434.211938][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 434.216681][ C1] ? kthread_blkcg+0xd0/0xd0 [ 434.221297][ C1] ret_from_fork+0x1f/0x30 [ 434.225737][ C1] [ 434.228859][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 434.235190][ C1] Sending NMI from CPU 1 to CPUs 0: [ 434.240416][ C0] NMI backtrace for cpu 0 [ 434.240430][ C0] CPU: 0 PID: 393 Comm: syz.6.24 Not tainted syzkaller #0 [ 434.240444][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 434.240452][ C0] RIP: 0010:fpu__restore_sig+0x6d/0xea0 [ 434.240474][ C0] Code: c7 44 24 60 b3 8a b5 41 48 c7 44 24 68 1a c5 e7 85 48 c7 44 24 70 a0 d4 2b 81 4c 8d 6c 24 60 49 c1 ed 03 48 8d 81 f9 f8 f8 f8 <4b> 89 44 3d 00 4b 89 4c 3d 08 48 b8 f8 f8 f2 f2 f2 f2 f8 f8 4b 89 [ 434.240486][ C0] RSP: 0018:ffffc90000c57b00 EFLAGS: 00000a06 [ 434.240500][ C0] RAX: f8f8f8f8f1f1f1f1 RBX: 0000000000000000 RCX: f8f8f8f8f8f8f8f8 [ 434.240511][ C0] RDX: ffffc90000c57fd0 RSI: 0000000000000000 RDI: 00007fdedb6b2d00 [ 434.240521][ C0] RBP: ffffc90000c57cb0 R08: ffffc90000c57dff R09: 1ffff9200018afbf [ 434.240531][ C0] R10: dffffc0000000000 R11: fffff5200018afc0 R12: 00007fdedb6b2d00 [ 434.240542][ C0] R13: 1ffff9200018af6c R14: 1ffff9200018afa4 R15: dffffc0000000000 [ 434.240553][ C0] FS: 00007fdedb6b36c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 434.240566][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 434.240576][ C0] CR2: 000020000006b000 CR3: 000000012f5f9000 CR4: 00000000003506b0 [ 434.240588][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 434.240597][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 434.240606][ C0] Call Trace: [ 434.240611][ C0] [ 434.240618][ C0] ? signal_setup_done+0x393/0x490 [ 434.240634][ C0] ? copy_fpstate_to_sigframe+0xa30/0xa30 [ 434.240650][ C0] ? __kasan_check_write+0x14/0x20 [ 434.240665][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 434.240681][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 434.240697][ C0] ? __kasan_check_write+0x14/0x20 [ 434.240711][ C0] ? recalc_sigpending+0x1c4/0x230 [ 434.240725][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 434.240740][ C0] ? __kasan_check_write+0x14/0x20 [ 434.240754][ C0] ? _copy_from_user+0x95/0xd0 [ 434.240767][ C0] __ia32_sys_rt_sigreturn+0x604/0x730 [ 434.240783][ C0] ? load_gs_index+0xc0/0xc0 [ 434.240798][ C0] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 434.240813][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 434.240829][ C0] x64_sys_call+0x4ab/0x9a0 [ 434.240844][ C0] do_syscall_64+0x4c/0xa0 [ 434.240859][ C0] ? clear_bhb_loop+0x50/0xa0 [ 434.240871][ C0] ? clear_bhb_loop+0x50/0xa0 [ 434.240883][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 434.240899][ C0] RIP: 0033:0x7fdedb850817 [ 434.240912][ 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 [ 434.240923][ C0] RSP: 002b:00007fdedb6b30e8 EFLAGS: 00000246 [ 434.240934][ C0] RAX: 00000000000000ca RBX: 00007fdedbac9fa8 RCX: 00007fdedb850819 [ 434.240943][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdedbac9fa8 [ 434.240952][ C0] RBP: 00007fdedbac9fa0 R08: 0000000000000000 R09: 0000000000000000 [ 434.240961][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 434.240969][ C0] R13: 00007fdedbaca038 R14: 00007ffe494814e0 R15: 00007ffe494815c8 [ 434.240982][ C0]