" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.939936][ T30] audit: type=1400 audit(1777665716.454:63): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 215.899008][ T268] sshd-session (268) used greatest stack depth: 22656 bytes left Warning: Permanently added '10.128.0.195' (ED25519) to the list of known hosts. 2026/05/01 20:05:25 parsed 1 programs [ 225.588720][ T30] audit: type=1400 audit(1777665925.144:64): 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 [ 225.610213][ T30] audit: type=1400 audit(1777665925.144:65): 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 [ 226.569107][ T30] audit: type=1400 audit(1777665926.124:66): avc: denied { mounton } for pid=300 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 [ 226.573047][ T300] cgroup: Unknown subsys name 'net' [ 226.592339][ T30] audit: type=1400 audit(1777665926.124:67): avc: denied { mount } for pid=300 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 [ 226.619653][ T30] audit: type=1400 audit(1777665926.154:68): avc: denied { unmount } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 226.620174][ T300] cgroup: Unknown subsys name 'devices' [ 226.854346][ T300] cgroup: Unknown subsys name 'hugetlb' [ 226.860529][ T300] cgroup: Unknown subsys name 'rlimit' [ 227.009268][ T30] audit: type=1400 audit(1777665926.564:69): avc: denied { setattr } for pid=300 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 [ 227.032616][ T30] audit: type=1400 audit(1777665926.564:70): avc: denied { create } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 227.053312][ T30] audit: type=1400 audit(1777665926.564:71): avc: denied { write } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 227.073742][ T30] audit: type=1400 audit(1777665926.564:72): avc: denied { read } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 227.093251][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 227.094206][ T30] audit: type=1400 audit(1777665926.574:73): avc: denied { mounton } for pid=300 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 [ 227.159880][ T300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 227.685838][ T310] request_module fs-gadgetfs succeeded, but still no fs? [ 228.196442][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.209289][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 228.217342][ T352] device bridge_slave_0 entered promiscuous mode [ 228.225687][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.233012][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 228.240669][ T352] device bridge_slave_1 entered promiscuous mode [ 228.380669][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.388014][ T352] bridge0: port 2(bridge_slave_1) entered forwarding state [ 228.395505][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.402720][ T352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 228.430383][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 228.438819][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 228.448115][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 228.477349][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 228.486079][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.493189][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 228.500873][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 228.510612][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.517724][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 228.535927][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 228.544284][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 228.555597][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 228.567141][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 228.575226][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 228.583293][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 228.591655][ T352] device veth0_vlan entered promiscuous mode [ 228.602143][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 228.611576][ T352] device veth1_macvtap entered promiscuous mode [ 228.622512][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/05/01 20:05:28 executed programs: 0 [ 228.633082][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 228.703324][ T352] syz-executor (352) used greatest stack depth: 21696 bytes left [ 228.846197][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.853441][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 228.860918][ T371] device bridge_slave_0 entered promiscuous mode [ 228.869058][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.876215][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 228.883680][ T371] device bridge_slave_1 entered promiscuous mode [ 228.942336][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.949397][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 228.957113][ T376] device bridge_slave_0 entered promiscuous mode [ 228.965200][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.972344][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 228.979843][ T376] device bridge_slave_1 entered promiscuous mode [ 229.040745][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.048079][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.055694][ T373] device bridge_slave_0 entered promiscuous mode [ 229.064872][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.071954][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.079525][ T373] device bridge_slave_1 entered promiscuous mode [ 229.107773][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.114972][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.122615][ T377] device bridge_slave_0 entered promiscuous mode [ 229.141372][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.148586][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.156208][ T377] device bridge_slave_1 entered promiscuous mode [ 229.186704][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.193967][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.201355][ T378] device bridge_slave_0 entered promiscuous mode [ 229.213043][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.220116][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.227744][ T378] device bridge_slave_1 entered promiscuous mode [ 229.388635][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.396025][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 229.403354][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.410406][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.450385][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.458149][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.466939][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 229.474790][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 229.482466][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 229.490789][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 229.499121][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.506180][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.513704][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 229.522358][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 229.530516][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.537591][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 229.548007][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 229.585712][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 229.593627][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 229.601813][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 229.610084][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 229.618517][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 229.626774][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 229.635064][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.642125][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.666054][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 229.674444][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.681492][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 229.689267][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 229.696995][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 229.705891][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 229.714307][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 229.722768][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.730103][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.765395][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 229.773035][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 229.781011][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 229.789299][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 229.797937][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 229.806344][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 229.813445][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 229.831182][ T371] device veth0_vlan entered promiscuous mode [ 229.845212][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 229.853677][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 229.861640][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 229.870305][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 229.879325][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 229.887526][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 229.895634][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 229.903947][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 229.911389][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 229.937894][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 229.946258][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 229.953986][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 229.961429][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 229.969321][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 229.977737][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 229.984828][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 229.992514][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 230.000759][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 230.007836][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 230.015440][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 230.023923][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 230.030961][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 230.038613][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 230.047022][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 230.054112][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 230.061619][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 230.069686][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 230.077812][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 230.085644][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 230.097488][ T371] device veth1_macvtap entered promiscuous mode [ 230.113064][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 230.121336][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 230.129738][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 230.137806][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 230.146018][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 230.154321][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 230.161803][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 230.170195][ T378] device veth0_vlan entered promiscuous mode [ 230.181291][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 230.189887][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 230.198418][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 230.206907][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 230.225523][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 230.233679][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 230.241778][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 230.250419][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 230.258697][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 230.267162][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 230.291010][ T376] device veth0_vlan entered promiscuous mode [ 230.307614][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 230.315344][ T396] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 230.318538][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 230.342144][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 230.350141][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 230.360334][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 230.368773][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 230.377489][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 230.386140][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 230.394714][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 230.402611][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 230.410123][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 230.418504][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 231.148484][ T377] device veth0_vlan entered promiscuous mode [ 231.163282][ T378] device veth1_macvtap entered promiscuous mode [ 231.189763][ T376] device veth1_macvtap entered promiscuous mode [ 331.271976][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 331.279032][ C0] (detected by 0, t=10002 jiffies, g=1809, q=435) [ 331.285696][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294970331-4294960328), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 331.299100][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1809 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 331.310390][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 331.320387][ C0] rcu: RCU grace-period kthread stack dump: [ 331.326409][ C0] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000 [ 331.337243][ C0] Call Trace: [ 331.340547][ C0] [ 331.343501][ C0] __schedule+0xb6e/0x14c0 [ 331.348063][ C0] ? release_firmware_map_entry+0x190/0x190 [ 331.354007][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 331.359860][ C0] ? __mod_timer+0x7da/0xb50 [ 331.364489][ C0] schedule+0x11e/0x1e0 [ 331.368678][ C0] schedule_timeout+0x159/0x340 [ 331.373565][ C0] ? console_conditional_schedule+0x30/0x30 [ 331.379487][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 331.384975][ C0] ? update_process_times+0x200/0x200 [ 331.390383][ C0] ? prepare_to_swait_event+0x308/0x320 [ 331.395957][ C0] rcu_gp_fqs_loop+0x2ae/0xf80 [ 331.400760][ C0] ? __kasan_check_write+0x14/0x20 [ 331.405907][ C0] ? debug_smp_processor_id+0x17/0x20 [ 331.411480][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 331.416616][ C0] ? rcu_gp_init+0xc00/0xc00 [ 331.421232][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 331.426456][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 331.431088][ C0] rcu_gp_kthread+0x9b/0x360 [ 331.435698][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 331.440531][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 331.445254][ C0] ? __kasan_check_read+0x11/0x20 [ 331.450317][ C0] ? __kthread_parkme+0xac/0x200 [ 331.455295][ C0] kthread+0x411/0x500 [ 331.459399][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 331.464120][ C0] ? kthread_blkcg+0xd0/0xd0 [ 331.468747][ C0] ret_from_fork+0x1f/0x30 [ 331.473192][ C0] [ 331.476277][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 331.482805][ C0] NMI backtrace for cpu 0 [ 331.487177][ C0] CPU: 0 PID: 403 Comm: syz.4.21 Not tainted syzkaller #0 [ 331.494318][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 331.504403][ C0] Call Trace: [ 331.507711][ C0] [ 331.510603][ C0] __dump_stack+0x21/0x30 [ 331.514977][ C0] dump_stack_lvl+0x110/0x170 [ 331.519774][ C0] ? show_regs_print_info+0x20/0x20 [ 331.525019][ C0] dump_stack+0x15/0x20 [ 331.529203][ C0] nmi_cpu_backtrace+0x2af/0x2c0 [ 331.534254][ C0] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 331.540442][ C0] ? load_image+0x3e0/0x3e0 [ 331.544973][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 331.551065][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 331.557173][ C0] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 331.563188][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 331.569299][ C0] rcu_check_gp_kthread_starvation+0x1e0/0x260 [ 331.575482][ C0] print_other_cpu_stall+0xe33/0x1010 [ 331.580928][ C0] ? print_cpu_stall+0x600/0x600 [ 331.585903][ C0] ? _raw_spin_lock+0x94/0xf0 [ 331.590633][ C0] ? cgroup_rstat_updated+0xf5/0x360 [ 331.595988][ C0] rcu_sched_clock_irq+0x8b2/0x12c0 [ 331.601503][ C0] ? rcu_boost_kthread_setaffinity+0x320/0x320 [ 331.607681][ C0] ? hrtimer_run_queues+0x166/0x430 [ 331.612924][ C0] update_process_times+0x198/0x200 [ 331.618153][ C0] tick_sched_timer+0x17c/0x240 [ 331.623120][ C0] ? tick_setup_sched_timer+0x450/0x450 [ 331.628927][ C0] __hrtimer_run_queues+0x39f/0x8c0 [ 331.634169][ C0] ? hrtimer_interrupt+0x8c0/0x8c0 [ 331.639423][ C0] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 331.645633][ C0] hrtimer_interrupt+0x3c7/0x8c0 [ 331.650605][ C0] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 331.656530][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 331.662190][ C0] [ 331.665138][ C0] [ 331.668099][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 331.674117][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x56/0x80 [ 331.680669][ C0] Code: 3f 6d 86 e8 ec a6 f4 fc 4c 89 f7 48 83 3d a9 e8 b8 01 00 74 31 e8 1e 9e 9b fc 66 90 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 15 72 93 fc 65 8b 05 d6 16 4e 7b 85 c0 74 05 5b 41 5e 5d c3 e8 [ 331.700305][ C0] RSP: 0018:ffffc90000c57390 EFLAGS: 00000206 [ 331.706525][ C0] RAX: 0000000000000001 RBX: 0000000000000a06 RCX: dffffc0000000000 [ 331.714539][ C0] RDX: 0000000000000000 RSI: 0000000000000a06 RDI: 0000000000000001 [ 331.722531][ C0] RBP: ffffc90000c573a0 R08: ffff888113543b40 R09: 0000000000000002 [ 331.730530][ C0] R10: 0000000000000003 R11: 0000000000000000 R12: ffff8881135de180 [ 331.738518][ C0] R13: ffff8881f7029a40 R14: ffff8881135de1b0 R15: 0000000000000a06 [ 331.746620][ C0] hrtimer_start_range_ns+0xac6/0xc00 [ 331.752027][ C0] kvm_hv_process_stimers+0x11ad/0x1860 [ 331.757694][ C0] ? vmx_prepare_switch_to_guest+0x347/0x800 [ 331.763716][ C0] ? kvm_hv_irq_routing_update+0x300/0x300 [ 331.769735][ C0] ? vmx_set_host_fs_gs+0x480/0x480 [ 331.774965][ C0] ? __kasan_check_write+0x14/0x20 [ 331.780121][ C0] vcpu_enter_guest+0x6412/0x66d0 [ 331.785341][ C0] ? local_bh_enable+0x30/0x30 [ 331.790233][ C0] ? __kasan_check_read+0x11/0x20 [ 331.795429][ C0] ? futex_wait_queue_me+0x2ff/0x660 [ 331.800769][ C0] ? futex_wait_setup+0x510/0x510 [ 331.805965][ C0] ? futex_wait+0x5b1/0x8f0 [ 331.810613][ C0] ? do_futex+0x2800/0x2800 [ 331.815154][ C0] ? debugfs_create_file+0x4a/0x60 [ 331.820296][ C0] ? __asan_set_shadow_00+0xe/0x10 [ 331.825434][ C0] ? do_futex+0xde8/0x2800 [ 331.829881][ C0] ? __kasan_check_read+0x11/0x20 [ 331.835025][ C0] ? vmx_vcpu_pi_load+0xab/0x390 [ 331.840000][ C0] ? irqentry_exit+0x37/0x40 [ 331.844623][ C0] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 331.850454][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 331.856824][ C0] ? kvm_arch_vcpu_ioctl_run+0xfb1/0x2010 [ 331.862573][ C0] ? kvm_arch_vcpu_ioctl_run+0x1052/0x2010 [ 331.868405][ C0] ? kasan_check_range+0x27/0x2a0 [ 331.873461][ C0] kvm_arch_vcpu_ioctl_run+0xfab/0x2010 [ 331.879123][ C0] kvm_vcpu_ioctl+0x8f2/0xc00 [ 331.883973][ C0] ? preempt_count_add+0x90/0x1b0 [ 331.889069][ C0] ? kvm_clear_stat_per_vcpu+0x200/0x200 [ 331.894852][ C0] ? selinux_file_ioctl+0x3a0/0x4d0 [ 331.900179][ C0] ? kvm_dev_ioctl+0x12d4/0x1b40 [ 331.905143][ C0] ? selinux_file_alloc_security+0x120/0x120 [ 331.911153][ C0] ? __fget_files+0x2c4/0x320 [ 331.915857][ C0] ? security_file_ioctl+0x84/0xa0 [ 331.921025][ C0] ? kvm_clear_stat_per_vcpu+0x200/0x200 [ 331.926683][ C0] __se_sys_ioctl+0x121/0x1a0 [ 331.931388][ C0] __x64_sys_ioctl+0x7b/0x90 [ 331.936009][ C0] x64_sys_call+0x2f/0x9a0 [ 331.940454][ C0] do_syscall_64+0x4c/0xa0 [ 331.944917][ C0] ? clear_bhb_loop+0x50/0xa0 [ 331.949626][ C0] ? clear_bhb_loop+0x50/0xa0 [ 331.954587][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 331.960507][ C0] RIP: 0033:0x7fcee2793dd9 [ 331.964966][ C0] Code: 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 01 48 [ 331.984605][ C0] RSP: 002b:00007fcee25f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 331.993074][ C0] RAX: ffffffffffffffda RBX: 00007fcee2a0cfa0 RCX: 00007fcee2793dd9 [ 332.001068][ C0] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 332.009060][ C0] RBP: 00007fcee2829d69 R08: 0000000000000000 R09: 0000000000000000 [ 332.017308][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 332.025303][ C0] R13: 00007fcee2a0d038 R14: 00007fcee2a0cfa0 R15: 00007fff451e9ad8 [ 332.033304][ C0] [ 428.931966][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 197s! [ 428.941811][ C0] Showing busy workqueues and worker pools: [ 428.947745][ C0] workqueue events: flags=0x0 [ 428.952471][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.952593][ C0] pending: psi_avgs_work, jump_label_update_timeout, kfree_rcu_monitor [ 428.952674][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 428.952717][ C0] in-flight: 20:fqdir_free_fn fqdir_free_fn [ 428.952755][ C0] pending: vmstat_shepherd, kfree_rcu_monitor [ 428.952795][ C0] workqueue events_unbound: flags=0x2 [ 428.995015][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=3/512 refcnt=5 [ 428.995058][ C0] in-flight: 8:linkwatch_event [ 428.995087][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 428.995135][ C0] workqueue events_power_efficient: flags=0x80 [ 429.021530][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 429.021577][ C0] pending: wg_ratelimiter_gc_entries, neigh_periodic_work [ 429.021631][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 429.021670][ C0] pending: neigh_periodic_work, gc_worker, check_lifetime [ 429.021718][ C0] workqueue rcu_gp: flags=0x8 [ 429.056766][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.056811][ C0] in-flight: 394:srcu_invoke_callbacks [ 429.056846][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.056883][ C0] in-flight: 6:srcu_invoke_callbacks [ 429.056911][ C0] workqueue netns: flags=0xe000a [ 429.088869][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 [ 429.088915][ C0] in-flight: 10:cleanup_net [ 429.088950][ C0] inactive: cleanup_net [ 429.088972][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.110783][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.110831][ C0] pending: vmstat_update [ 429.110865][ C0] workqueue writeback: flags=0x4a [ 429.128242][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.128281][ C0] pending: wb_workfn [ 429.128309][ C0] workqueue kblockd: flags=0x18 [ 429.144758][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 429.144807][ C0] pending: blk_mq_timeout_work [ 429.144844][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.163545][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.163601][ C0] pending: work_fn [ 429.163696][ C0] workqueue mld: flags=0x40008 [ 429.180343][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 429.180386][ C0] pending: mld_ifc_work [ 429.180414][ C0] inactive: mld_ifc_work [ 429.180437][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=19 [ 429.180475][ C0] pending: mld_ifc_work [ 429.180499][ C0] inactive: mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work [ 429.180894][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.239541][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=80 [ 429.239595][ C0] in-flight: 337:addrconf_dad_work [ 429.239628][ 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 [ 429.240257][ 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 [ 429.240598][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=134 [ 429.240636][ C0] in-flight: 367:addrconf_dad_work [ 429.240662][ 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 [ 429.241220][ 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 [ 429.241787][ 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_verify_work [ 429.629241][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.634573][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.634623][ C0] pending: wg_packet_encrypt_worker [ 429.634656][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.634695][ C0] pending: wg_packet_encrypt_worker [ 429.634722][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.666401][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.666448][ C0] pending: wg_packet_encrypt_worker [ 429.666476][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.666514][ C0] pending: wg_packet_encrypt_worker [ 429.666541][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.698218][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.698264][ C0] pending: wg_packet_encrypt_worker [ 429.698291][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.698335][ C0] pending: wg_packet_encrypt_worker [ 429.698363][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.730026][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.730075][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.730125][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.751774][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.751825][ C0] pending: wg_packet_encrypt_worker [ 429.751855][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.751894][ C0] pending: wg_packet_encrypt_worker [ 429.751919][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.783380][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.783422][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.783468][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.805009][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.805056][ C0] pending: wg_packet_encrypt_worker [ 429.805085][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.805124][ C0] pending: wg_packet_encrypt_worker [ 429.805150][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.836889][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.836935][ C0] pending: wg_packet_encrypt_worker [ 429.836963][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.837001][ C0] pending: wg_packet_encrypt_worker [ 429.837029][ C0] workqueue wg-kex-wg0: flags=0x24 [ 429.868560][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.868604][ C0] pending: wg_packet_handshake_receive_worker [ 429.868636][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.887742][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.887782][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.887829][ C0] workqueue wg-kex-wg1: flags=0x24 [ 429.909302][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.909351][ C0] pending: wg_packet_handshake_receive_worker [ 429.909381][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.928532][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.928588][ C0] pending: wg_packet_handshake_send_worker [ 429.928619][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.947312][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 429.947361][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 429.947408][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.967490][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.967531][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.967589][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=198s workers=4 idle: 60 [ 429.967729][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=198s workers=4 idle: 26 39 [ 429.967779][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=198s workers=6 idle: 45 401 266 343