Warning: Permanently added '10.128.1.100' (ED25519) to the list of known hosts. 2026/06/01 04:33:31 parsed 1 programs [ 365.923146][ T28] audit: type=1400 audit(1780288411.624:64): avc: denied { node_bind } for pid=296 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 365.926138][ T28] audit: type=1400 audit(1780288411.624:65): avc: denied { module_request } for pid=296 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 [ 366.633899][ T28] audit: type=1400 audit(1780288412.334:66): avc: denied { mounton } for pid=304 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 [ 366.635251][ T304] cgroup: Unknown subsys name 'net' [ 366.656569][ T28] audit: type=1400 audit(1780288412.334:67): avc: denied { mount } for pid=304 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 [ 366.683871][ T28] audit: type=1400 audit(1780288412.364:68): avc: denied { unmount } for pid=304 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 366.684043][ T304] cgroup: Unknown subsys name 'devices' [ 366.834930][ T304] cgroup: Unknown subsys name 'hugetlb' [ 366.840575][ T304] cgroup: Unknown subsys name 'rlimit' [ 366.944548][ T28] audit: type=1400 audit(1780288412.644:69): avc: denied { setattr } for pid=304 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 366.968054][ T28] audit: type=1400 audit(1780288412.644:70): avc: denied { create } for pid=304 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 366.988464][ T28] audit: type=1400 audit(1780288412.644:71): avc: denied { write } for pid=304 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 367.002818][ T308] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 367.008840][ T28] audit: type=1400 audit(1780288412.644:72): avc: denied { read } for pid=304 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 [ 367.037454][ T28] audit: type=1400 audit(1780288412.644:73): avc: denied { mounton } for pid=304 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 [ 367.081036][ T304] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 367.834092][ T316] request_module fs-gadgetfs succeeded, but still no fs? [ 368.040440][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 368.047503][ T322] bridge0: port 1(bridge_slave_0) entered disabled state [ 368.064327][ T322] device bridge_slave_0 entered promiscuous mode [ 368.087597][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 368.095010][ T322] bridge0: port 2(bridge_slave_1) entered disabled state [ 368.102806][ T322] device bridge_slave_1 entered promiscuous mode [ 368.305504][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 368.312595][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 368.319913][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 368.326943][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 368.437716][ T322] IPv6: veth0: Failed to add prefix route for address fe80::18; dropping [ 368.461704][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 368.472872][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 368.480455][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 368.488196][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 368.509838][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 368.528186][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 368.535289][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 368.543590][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 368.551856][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 368.558917][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 368.572323][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 368.589384][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 368.597997][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 368.617547][ T322] device veth0_vlan entered promiscuous mode [ 368.628117][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 368.637529][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 368.645072][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 368.659244][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 368.668117][ T322] device veth1_macvtap entered promiscuous mode [ 368.679900][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/06/01 04:33:34 executed programs: 0 [ 368.690112][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 368.748966][ T322] syz-executor (322) used greatest stack depth: 21216 bytes left [ 368.954084][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 368.961200][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 368.968623][ T377] device bridge_slave_0 entered promiscuous mode [ 368.984855][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 368.991970][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 368.999353][ T377] device bridge_slave_1 entered promiscuous mode [ 369.047877][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.054952][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.062458][ T382] device bridge_slave_0 entered promiscuous mode [ 369.069402][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.076419][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.084046][ T382] device bridge_slave_1 entered promiscuous mode [ 369.106209][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.113300][ T384] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.120792][ T384] device bridge_slave_0 entered promiscuous mode [ 369.133896][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.141152][ T384] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.148613][ T384] device bridge_slave_1 entered promiscuous mode [ 369.162057][ T380] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.169133][ T380] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.176467][ T380] device bridge_slave_0 entered promiscuous mode [ 369.186226][ T380] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.193433][ T380] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.200974][ T380] device bridge_slave_1 entered promiscuous mode [ 369.256034][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.263931][ T381] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.271377][ T381] device bridge_slave_0 entered promiscuous mode [ 369.317716][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.324846][ T381] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.332327][ T381] device bridge_slave_1 entered promiscuous mode [ 369.517186][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.524247][ T384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.531529][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.538545][ T384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.569305][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.576359][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.583638][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.590666][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.622241][ T380] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.629307][ T380] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.636575][ T380] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.643642][ T380] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.656366][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.663449][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.670691][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.677692][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.716694][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 369.724378][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.732020][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.739845][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.747184][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.754615][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.761842][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.769180][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.776409][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.805234][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 369.812677][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 369.821297][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 369.829966][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.837001][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.844506][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 369.852793][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.859828][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.867286][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 369.875424][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 369.883652][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.890673][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.898023][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 369.906303][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.913356][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.939520][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 369.969894][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 369.980369][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 369.988376][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 369.996024][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 370.003589][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 370.011777][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 370.018822][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 370.026375][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 370.034669][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 370.041725][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 370.049282][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 370.073462][ T382] device veth0_vlan entered promiscuous mode [ 370.087018][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 370.095229][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 370.103387][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 370.115757][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 370.124037][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 370.131609][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 370.139196][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 370.147036][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 370.155071][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 370.162530][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 370.170125][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 370.178359][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 370.186619][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 370.193652][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 370.201185][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 370.208646][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 370.235078][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 370.243572][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 370.252184][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 370.260655][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 370.272041][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 370.279099][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 370.286672][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 370.295040][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 370.303270][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 370.310293][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 370.317806][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 370.326369][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 370.334560][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 370.341589][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 370.349088][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 370.356936][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 370.365102][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 370.372800][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 370.380298][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 370.394005][ T384] device veth0_vlan entered promiscuous mode [ 370.406585][ T382] device veth1_macvtap entered promiscuous mode [ 370.414023][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 370.422525][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 370.430901][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 370.440095][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 370.448197][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 370.455886][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 370.463758][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 370.471752][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 370.480025][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 370.488989][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 370.496447][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 370.508325][ T380] device veth0_vlan entered promiscuous mode [ 370.520911][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 370.529041][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 370.550285][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 370.558451][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 370.567316][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 370.575873][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 370.584617][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 370.593114][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 370.601375][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 370.616039][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 370.624501][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 370.636947][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 370.645332][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 370.654116][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 370.662426][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 370.684936][ T384] device veth1_macvtap entered promiscuous mode [ 470.728683][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 470.736897][ C1] (detected by 1, t=10002 jiffies, g=1489, q=540 ncpus=2) [ 470.744107][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294984291-4294974288), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 470.757470][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1489 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 470.768587][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 470.778565][ C1] rcu: RCU grace-period kthread stack dump: [ 470.784459][ C1] task:rcu_preempt state:R running task stack:28288 pid:14 ppid:2 flags:0x00004000 [ 470.795247][ C1] Call Trace: [ 470.798526][ C1] [ 470.801458][ C1] __schedule+0xba6/0x1500 [ 470.805907][ C1] ? release_firmware_map_entry+0x190/0x190 [ 470.811816][ C1] schedule+0xbd/0x170 [ 470.815892][ C1] schedule_timeout+0x159/0x340 [ 470.820744][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 470.826114][ C1] ? __cfi_process_timeout+0x10/0x10 [ 470.831397][ C1] ? prepare_to_swait_event+0x308/0x320 [ 470.836942][ C1] rcu_gp_fqs_loop+0x2e9/0x10c0 [ 470.841787][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 470.847001][ C1] ? rcu_gp_init+0xf30/0xf30 [ 470.851605][ C1] rcu_gp_kthread+0x99/0x390 [ 470.856199][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 470.861402][ C1] ? __kasan_check_read+0x11/0x20 [ 470.866425][ C1] ? __kthread_parkme+0x142/0x180 [ 470.871449][ C1] kthread+0x281/0x320 [ 470.875518][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 470.880713][ C1] ? __cfi_kthread+0x10/0x10 [ 470.885300][ C1] ret_from_fork+0x1f/0x30 [ 470.889716][ C1] [ 470.892729][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 470.899053][ C1] CPU: 1 PID: 402 Comm: syz.4.21 Not tainted syzkaller #0 [ 470.906156][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 470.916201][ C1] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 470.922021][ C1] Code: 74 12 48 89 fb 48 c7 c7 00 d5 0d 87 e8 21 b6 b4 fc 48 89 df 48 83 3d 66 6a 0b 02 00 74 26 e8 13 0d 00 00 90 fb bf 01 00 00 00 a3 3b 4a fc 65 8b 05 14 03 00 7b 85 c0 74 03 5b 5d c3 e8 14 12 [ 470.941649][ C1] RSP: 0018:ffffc90000aa7bb0 EFLAGS: 00000246 [ 470.947725][ C1] RAX: 0000000000000001 RBX: 0000000000000011 RCX: dffffc0000000000 [ 470.955691][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 470.963652][ C1] RBP: ffffc90000aa7bb8 R08: ffffc90000aa7dff R09: 1ffff92000154fbf [ 470.971619][ C1] R10: dffffc0000000000 R11: fffff52000154fc0 R12: dffffc0000000000 [ 470.979590][ C1] R13: 1ffff110220d0044 R14: 0000000004000000 R15: ffff888110680220 [ 470.987568][ C1] FS: 000055555c2b1500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 470.996505][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 471.003083][ C1] CR2: 0000001b34b63fff CR3: 00000001324e7000 CR4: 00000000003506a0 [ 471.011057][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 471.019037][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 471.027008][ C1] Call Trace: [ 471.030283][ C1] [ 471.033212][ C1] get_signal+0x12a4/0x1520 [ 471.037742][ C1] arch_do_signal_or_restart+0xd1/0x1140 [ 471.043373][ C1] ? __cfi___x64_sys_rt_sigreturn+0x10/0x10 [ 471.049266][ C1] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 471.055422][ C1] exit_to_user_mode_loop+0x7a/0xb0 [ 471.060617][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 471.066075][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 471.071969][ C1] do_syscall_64+0x58/0xa0 [ 471.076398][ C1] ? clear_bhb_loop+0x30/0x80 [ 471.081081][ C1] ? clear_bhb_loop+0x30/0x80 [ 471.085752][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 471.091659][ C1] RIP: 0033:0x7f9465463144 [ 471.096088][ C1] Code: 5d 41 5c 41 5e c3 48 8b 44 24 20 48 8b 5c 24 08 48 8b b0 88 00 00 00 8b 78 08 48 8d 53 30 e8 93 39 ff ff 48 89 83 88 00 00 00 35 fe ff ff 0f 1f 80 00 00 00 00 8b 7c 24 1c 48 8d 74 24 50 ba [ 471.115692][ C1] RSP: 002b:00007ffca51d0840 EFLAGS: 00000202 [ 471.121757][ C1] RAX: 0000000000000000 RBX: 00007f9465815fa0 RCX: 00007f9465632d6f [ 471.129723][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 471.137684][ C1] RBP: 00007f9465632d6f R08: 0000000000000000 R09: 0000000000000000 [ 471.145649][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 471.153610][ C1] R13: 00007f9465815fac R14: 00007f9465815fa0 R15: 00007f9465815fa0 [ 471.161579][ C1] [ 572.148650][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 201s! [ 572.157611][ C0] Showing busy workqueues and worker pools: [ 572.163510][ C0] workqueue events: flags=0x0 [ 572.168175][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.168220][ C0] pending: kfree_rcu_monitor [ 572.168409][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 572.168444][ C0] pending: vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor [ 572.168604][ C0] workqueue events_unbound: flags=0x2 [ 572.201982][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=7 [ 572.202024][ C0] in-flight: 400:linkwatch_event [ 572.202151][ C0] pending: fsnotify_connector_destroy_workfn, fsnotify_mark_destroy_workfn, toggle_allocation_gate, flush_memcg_stats_dwork [ 572.202337][ C0] workqueue events_power_efficient: flags=0x80 [ 572.234192][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 572.234239][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, check_lifetime [ 572.234446][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 572.234483][ C0] pending: wg_ratelimiter_gc_entries, gc_worker [ 572.234605][ C0] workqueue netns: flags=0xe000a [ 572.273149][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 572.273194][ C0] in-flight: 10:cleanup_net [ 572.273294][ C0] workqueue mm_percpu_wq: flags=0x8 [ 572.290357][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.290405][ C0] pending: vmstat_update [ 572.290437][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.290471][ C0] pending: vmstat_update [ 572.290501][ C0] workqueue writeback: flags=0x4a [ 572.319935][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.319978][ C0] pending: wb_workfn [ 572.320077][ C0] workqueue kblockd: flags=0x18 [ 572.336324][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 572.336363][ C0] pending: blk_mq_timeout_work [ 572.336617][ C0] workqueue dm_bufio_cache: flags=0x8 [ 572.354884][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.354934][ C0] pending: work_fn [ 572.355025][ C0] workqueue mld: flags=0x40008 [ 572.371460][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=39 [ 572.371498][ C0] pending: mld_ifc_work [ 572.371574][ 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_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, 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 [ 572.371993][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=60 [ 572.372027][ C0] pending: mld_ifc_work [ 572.372045][ 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_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_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_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_ifc_work [ 572.372671][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 572.524562][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=85 [ 572.524607][ C0] in-flight: 372:addrconf_dad_work [ 572.524716][ 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 [ 572.525287][ 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_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 572.525660][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=118 [ 572.525694][ C0] in-flight: 65:addrconf_dad_work [ 572.525718][ 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 [ 572.526266][ 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 [ 572.526817][ 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_verify_work, addrconf_verify_work [ 572.527060][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 572.902196][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.902241][ C0] pending: wg_packet_encrypt_worker [ 572.902349][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.902385][ C0] pending: wg_packet_encrypt_worker [ 572.902415][ C0] workqueue wg-kex-wg1: flags=0x6 [ 572.933750][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 572.933796][ C0] pending: wg_packet_handshake_send_worker [ 572.933832][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 572.952439][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.952482][ C0] pending: wg_packet_encrypt_worker [ 572.952514][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.952550][ C0] pending: wg_packet_encrypt_worker [ 572.952579][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 572.984156][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.984199][ C0] pending: wg_packet_encrypt_worker [ 572.984230][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 572.984263][ C0] pending: wg_packet_encrypt_worker [ 572.984301][ C0] workqueue wg-kex-wg0: flags=0x6 [ 573.015618][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 573.015659][ C0] pending: wg_packet_handshake_send_worker [ 573.015693][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 573.034302][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 573.034344][ C0] pending: wg_packet_encrypt_worker [ 573.034376][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 573.034410][ C0] pending: wg_packet_encrypt_worker [ 573.034439][ C0] workqueue wg-kex-wg1: flags=0x6 [ 573.065755][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 573.065804][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 573.065866][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 573.087393][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 573.087442][ C0] pending: wg_packet_encrypt_worker [ 573.087477][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 573.087513][ C0] pending: wg_packet_encrypt_worker [ 573.087542][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 573.119136][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 573.119180][ C0] pending: wg_packet_encrypt_worker [ 573.119213][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 573.119246][ C0] pending: wg_packet_encrypt_worker [ 573.119278][ C0] workqueue wg-kex-wg0: flags=0x6 [ 573.150590][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 573.150630][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 573.150686][ C0] workqueue wg-kex-wg1: flags=0x6 [ 573.171900][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 573.171936][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 573.171989][ C0] workqueue wg-kex-wg2: flags=0x6 [ 573.193193][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 573.193229][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 573.193290][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=202s workers=3 idle: 362 19 [ 573.193336][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=202s workers=4 idle: 24 363 226 [ 573.193384][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=202s workers=5 idle: 41 339 8