Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts. 2026/05/03 21:04:13 parsed 1 programs [ 270.684575][ T28] audit: type=1400 audit(1777842253.156:64): 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 [ 270.705714][ T28] audit: type=1400 audit(1777842253.156:65): 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 [ 271.842450][ T28] audit: type=1400 audit(1777842254.316:66): 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 [ 271.847040][ T300] cgroup: Unknown subsys name 'net' [ 271.865199][ T28] audit: type=1400 audit(1777842254.316:67): 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 [ 271.892744][ T28] audit: type=1400 audit(1777842254.346:68): 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 [ 271.893236][ T300] cgroup: Unknown subsys name 'devices' [ 272.041815][ T300] cgroup: Unknown subsys name 'hugetlb' [ 272.047576][ T300] cgroup: Unknown subsys name 'rlimit' [ 272.162884][ T28] audit: type=1400 audit(1777842254.636:69): avc: denied { setattr } for pid=300 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 [ 272.186322][ T28] audit: type=1400 audit(1777842254.636:70): 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 [ 272.206942][ T28] audit: type=1400 audit(1777842254.636:71): 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 [ 272.227444][ T28] audit: type=1400 audit(1777842254.636:72): 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 [ 272.231824][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 272.248456][ T28] audit: type=1400 audit(1777842254.636:73): 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 [ 272.275239][ T300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 273.154245][ T312] request_module fs-gadgetfs succeeded, but still no fs? [ 273.339512][ T313] syz-executor (313) used greatest stack depth: 21856 bytes left [ 273.357240][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 273.372330][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 273.380379][ T315] device bridge_slave_0 entered promiscuous mode [ 273.406269][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 273.413488][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 273.421398][ T315] device bridge_slave_1 entered promiscuous mode [ 273.660926][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 273.668144][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 273.675523][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 273.682615][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 273.801738][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 273.812641][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 273.821959][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 273.839383][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 273.892605][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 273.918171][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 273.945019][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 273.958488][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 273.967103][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 273.974748][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 273.983764][ T315] device veth0_vlan entered promiscuous mode [ 273.995964][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 274.012760][ T315] device veth1_macvtap entered promiscuous mode [ 274.024625][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 274.037681][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/05/03 21:04:16 executed programs: 0 [ 274.185372][ T315] syz-executor (315) used greatest stack depth: 21664 bytes left [ 274.373450][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.380615][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 274.388017][ T373] device bridge_slave_0 entered promiscuous mode [ 274.395417][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.402652][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 274.410141][ T373] device bridge_slave_1 entered promiscuous mode [ 274.547617][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.554750][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 274.562307][ T379] device bridge_slave_0 entered promiscuous mode [ 274.571002][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.578066][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 274.586386][ T379] device bridge_slave_1 entered promiscuous mode [ 274.605564][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.612763][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 274.620296][ T378] device bridge_slave_0 entered promiscuous mode [ 274.627545][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.634848][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 274.642323][ T378] device bridge_slave_1 entered promiscuous mode [ 274.673902][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.681020][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 274.688503][ T376] device bridge_slave_0 entered promiscuous mode [ 274.698479][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.705610][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 274.713401][ T376] device bridge_slave_1 entered promiscuous mode [ 274.761509][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.768609][ T381] bridge0: port 1(bridge_slave_0) entered disabled state [ 274.776628][ T381] device bridge_slave_0 entered promiscuous mode [ 274.784247][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.791621][ T381] bridge0: port 2(bridge_slave_1) entered disabled state [ 274.799210][ T381] device bridge_slave_1 entered promiscuous mode [ 274.873167][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.880373][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 274.887916][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.895003][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.005498][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.012655][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.020021][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.027076][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.050041][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.057397][ T379] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.064741][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.071812][ T379] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.092391][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.099498][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.106817][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.113899][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.126377][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.133915][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.141574][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.148947][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.157749][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.165341][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.172770][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.180938][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.188650][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 275.227090][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.235376][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.242616][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.250786][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.260764][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.268048][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.275956][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 275.283653][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.301357][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.309647][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.317987][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.325133][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.332796][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.341025][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.349358][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.356415][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.383593][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.392962][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.401185][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.408212][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.415893][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.424256][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.431373][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.438915][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.447301][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.474851][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 275.484464][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 275.493081][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.501344][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 275.509729][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.532252][ T381] device veth0_vlan entered promiscuous mode [ 275.539692][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 275.547897][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 275.556030][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 275.564094][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 275.571786][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.589793][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 275.598233][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.606540][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.613602][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.621141][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 275.630453][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.638682][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.645835][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.653548][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 275.662429][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 275.687937][ T378] device veth0_vlan entered promiscuous mode [ 275.694496][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 275.702856][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 275.711200][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 275.718649][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.726447][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 275.735304][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.743737][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.750848][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.758428][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 275.766892][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.775199][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.782292][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.789781][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 275.797912][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.806400][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 275.814438][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 275.822498][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 275.830724][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.838932][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 275.847011][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 275.855445][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 275.864154][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 275.872907][ T381] device veth1_macvtap entered promiscuous mode [ 275.902425][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 275.911227][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.920712][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 275.928866][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.940779][ T373] device veth0_vlan entered promiscuous mode [ 275.951595][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 275.959989][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 275.968153][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 275.975753][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 275.988134][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 275.996852][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.019897][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 276.028733][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 276.037379][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 276.046073][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 276.054654][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 276.063184][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.073064][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 276.082941][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 276.090856][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 276.100634][ T378] device veth1_macvtap entered promiscuous mode [ 276.113562][ T376] device veth0_vlan entered promiscuous mode [ 276.125136][ T379] device veth0_vlan entered promiscuous mode [ 276.132788][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 276.141112][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 276.172507][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 276.180772][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 276.188474][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 276.197436][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 276.209632][ T373] device veth1_macvtap entered promiscuous mode [ 276.225465][ T376] device veth1_macvtap entered promiscuous mode [ 396.758976][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 396.766019][ C1] (detected by 1, t=10002 jiffies, g=1825, q=376 ncpus=2) [ 396.773369][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 9892 (4294976876-4294966984), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 396.786803][ C1] rcu: rcu_preempt kthread starved for 9893 jiffies! g1825 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 396.797968][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 396.807976][ C1] rcu: RCU grace-period kthread stack dump: [ 396.814020][ C1] task:rcu_preempt state:R running task stack:28288 pid:14 ppid:2 flags:0x00004000 [ 396.824858][ C1] Call Trace: [ 396.828265][ C1] [ 396.831230][ C1] __schedule+0xba6/0x1500 [ 396.835861][ C1] ? release_firmware_map_entry+0x190/0x190 [ 396.841888][ C1] schedule+0xbd/0x170 [ 396.846154][ C1] schedule_timeout+0x159/0x340 [ 396.851235][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 396.856702][ C1] ? __cfi_process_timeout+0x10/0x10 [ 396.862292][ C1] ? prepare_to_swait_event+0x308/0x320 [ 396.867968][ C1] rcu_gp_fqs_loop+0x2e9/0x10c0 [ 396.873096][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 396.878536][ C1] ? rcu_gp_init+0xf30/0xf30 [ 396.883177][ C1] rcu_gp_kthread+0x99/0x390 [ 396.887863][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 396.893100][ C1] ? set_cpus_allowed_ptr+0x88/0xd0 [ 396.898628][ C1] ? __kasan_check_read+0x11/0x20 [ 396.903927][ C1] ? __kthread_parkme+0x142/0x180 [ 396.909017][ C1] kthread+0x281/0x320 [ 396.913139][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 396.918386][ C1] ? __cfi_kthread+0x10/0x10 [ 396.923019][ C1] ret_from_fork+0x1f/0x30 [ 396.927503][ C1] [ 396.930575][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 396.936933][ C1] CPU: 1 PID: 399 Comm: syz.4.21 Not tainted syzkaller #0 [ 396.944082][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 396.954174][ C1] RIP: 0010:_raw_spin_unlock_irq+0x48/0x70 [ 396.960103][ C1] Code: 74 12 48 89 fb 48 c7 c7 c0 d4 0d 87 e8 f1 07 b5 fc 48 89 df 48 83 3d 36 cc 0b 02 00 74 26 e8 13 0d 00 00 90 fb bf 01 00 00 00 53 9c 4a fc 65 8b 05 24 65 00 7b 85 c0 74 03 5b 5d c3 e8 24 74 [ 396.979859][ C1] RSP: 0018:ffffc90000a57bb0 EFLAGS: 00000246 [ 396.986065][ C1] RAX: 0000000000000001 RBX: 0000000000000021 RCX: dffffc0000000000 [ 396.994083][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 397.002093][ C1] RBP: ffffc90000a57bb8 R08: ffffc90000a57dff R09: 1ffff9200014afbf [ 397.010104][ C1] R10: dffffc0000000000 R11: fffff5200014afc0 R12: dffffc0000000000 [ 397.018114][ C1] R13: 1ffff11022412c8c R14: 000000001c000004 R15: ffff888112096460 [ 397.026217][ C1] FS: 00007fd372e2d6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 397.035182][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 397.041884][ C1] CR2: 00007ffe07c5cd90 CR3: 000000012ce79000 CR4: 00000000003506a0 [ 397.049903][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 397.057917][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 397.065928][ C1] Call Trace: [ 397.069241][ C1] [ 397.072294][ C1] get_signal+0x12a4/0x1520 [ 397.076856][ C1] arch_do_signal_or_restart+0xd1/0x1140 [ 397.082537][ C1] ? __cfi___x64_sys_rt_sigreturn+0x10/0x10 [ 397.088487][ C1] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 397.094699][ C1] exit_to_user_mode_loop+0x7a/0xb0 [ 397.100027][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 397.105522][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 397.111663][ C1] do_syscall_64+0x58/0xa0 [ 397.116128][ C1] ? clear_bhb_loop+0x30/0x80 [ 397.120865][ C1] ? clear_bhb_loop+0x30/0x80 [ 397.125596][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 397.131544][ C1] RIP: 0033:0x7fd371f9cdd7 [ 397.136022][ 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 [ 397.155850][ C1] RSP: 002b:00007fd372e2d0e8 EFLAGS: 00000246 [ 397.162744][ C1] RAX: 00000000000000ca RBX: 00007fd372215fa8 RCX: 00007fd371f9cdd9 [ 397.171641][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd372215fa8 [ 397.180279][ C1] RBP: 00007fd372215fa0 R08: 0000000000000000 R09: 0000000000000000 [ 397.189916][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 397.199357][ C1] R13: 00007fd372216038 R14: 00007fff72eece60 R15: 00007fff72eecf48 [ 397.210287][ C1] [ 428.968967][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 152s! [ 428.977971][ C0] Showing busy workqueues and worker pools: [ 428.983924][ C0] workqueue events: flags=0x0 [ 428.988632][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 428.988683][ C0] pending: kfree_rcu_monitor [ 428.988713][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 428.988752][ C0] pending: psi_avgs_work, vmstat_shepherd, kfree_rcu_monitor [ 429.016969][ C0] workqueue events_unbound: flags=0x2 [ 429.022388][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=7 [ 429.022434][ C0] in-flight: 332:fsnotify_mark_destroy_workfn, 343:linkwatch_event linkwatch_event [ 429.022676][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 429.022755][ C0] workqueue events_power_efficient: flags=0x80 [ 429.053526][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.053586][ C0] pending: gc_worker [ 429.053713][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 [ 429.053753][ C0] pending: wg_ratelimiter_gc_entries, neigh_periodic_work, neigh_managed_work, neigh_managed_work, neigh_periodic_work, check_lifetime [ 429.053969][ C0] workqueue netns: flags=0xe000a [ 429.092847][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 429.092892][ C0] in-flight: 10:cleanup_net [ 429.093002][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.110232][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.110282][ C0] pending: vmstat_update [ 429.110318][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.110357][ C0] pending: vmstat_update [ 429.110393][ C0] workqueue writeback: flags=0x4a [ 429.139994][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.140043][ C0] pending: wb_workfn [ 429.140152][ C0] workqueue kblockd: flags=0x18 [ 429.156641][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 429.156691][ C0] pending: blk_mq_timeout_work [ 429.156904][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.175284][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.175338][ C0] pending: work_fn [ 429.175453][ C0] workqueue mld: flags=0x40008 [ 429.192296][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=34 [ 429.192347][ C0] pending: mld_ifc_work [ 429.192469][ 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_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_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 [ 429.193234][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=49 [ 429.193273][ C0] pending: mld_ifc_work [ 429.193306][ C0] inactive: 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_dad_work, mld_ifc_work, mld_dad_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_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_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 [ 429.194413][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.327283][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=87 [ 429.327336][ C0] pending: addrconf_dad_work [ 429.327470][ 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 [ 429.328690][ 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_verify_work, addrconf_verify_work, addrconf_verify_work [ 429.488756][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=138 [ 429.488812][ C0] in-flight: 6:addrconf_dad_work [ 429.488860][ 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 [ 429.490060][ 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 [ 429.491275][ 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_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 429.739082][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.744407][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.744459][ C0] pending: wg_packet_encrypt_worker [ 429.744552][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.744600][ C0] pending: wg_packet_encrypt_worker [ 429.744635][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.776226][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.776273][ C0] pending: wg_packet_handshake_send_worker [ 429.776312][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.795063][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.795118][ C0] pending: wg_packet_encrypt_worker [ 429.795156][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.795197][ C0] pending: wg_packet_encrypt_worker [ 429.795233][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.827112][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.827167][ C0] pending: wg_packet_encrypt_worker [ 429.827205][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.827245][ C0] pending: wg_packet_encrypt_worker [ 429.827296][ C0] workqueue wg-kex-wg0: flags=0x24 [ 429.859041][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.859094][ C0] pending: wg_packet_handshake_receive_worker [ 429.859140][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.878279][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.878325][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.878389][ C0] workqueue wg-kex-wg1: flags=0x24 [ 429.899991][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.900041][ C0] pending: wg_packet_handshake_receive_worker [ 429.900082][ C0] workqueue wg-kex-wg1: flags=0x6 [ 429.919291][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.919338][ C0] pending: wg_packet_handshake_send_worker [ 429.919377][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.938179][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 429.938229][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 429.938292][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.958438][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 429.958494][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 429.958562][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.980038][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.980087][ C0] pending: wg_packet_handshake_send_worker [ 429.980125][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.998862][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.998911][ C0] pending: wg_packet_encrypt_worker [ 430.012200][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.012257][ C0] pending: wg_packet_encrypt_worker [ 430.012300][ C0] workqueue wg-kex-wg1: flags=0x6 [ 430.030597][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.030646][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.030709][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 430.052323][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.052378][ C0] pending: wg_packet_encrypt_worker [ 430.052416][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.052458][ C0] pending: wg_packet_encrypt_worker [ 430.052493][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 430.084308][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.084365][ C0] pending: wg_packet_encrypt_worker [ 430.084406][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.084448][ C0] pending: wg_packet_encrypt_worker [ 430.084492][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=153s workers=3 idle: 350 19 [ 430.084547][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=153s workers=6 idle: 38 367 8