Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. 2025/10/12 10:58:44 parsed 1 programs [ 163.323280][ T28] audit: type=1400 audit(1760266724.686:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 163.344023][ T28] audit: type=1400 audit(1760266724.686:65): avc: denied { module_request } for pid=283 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 [ 164.476913][ T28] audit: type=1400 audit(1760266725.836:66): avc: denied { mounton } for pid=291 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 164.478617][ T291] cgroup: Unknown subsys name 'net' [ 164.499650][ T28] audit: type=1400 audit(1760266725.836:67): avc: denied { mount } for pid=291 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 [ 164.526990][ T28] audit: type=1400 audit(1760266725.866:68): avc: denied { unmount } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 164.527137][ T291] cgroup: Unknown subsys name 'devices' [ 164.671064][ T291] cgroup: Unknown subsys name 'hugetlb' [ 164.676690][ T291] cgroup: Unknown subsys name 'rlimit' [ 164.789744][ T28] audit: type=1400 audit(1760266726.156:69): avc: denied { setattr } for pid=291 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 [ 164.812943][ T28] audit: type=1400 audit(1760266726.156:70): avc: denied { create } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 164.828930][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 164.833627][ T28] audit: type=1400 audit(1760266726.156:71): avc: denied { write } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 164.862229][ T28] audit: type=1400 audit(1760266726.156:72): avc: denied { read } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 164.882425][ T28] audit: type=1400 audit(1760266726.156:73): avc: denied { mounton } for pid=291 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 [ 164.888438][ T291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 165.686807][ T300] request_module fs-gadgetfs succeeded, but still no fs? [ 166.240024][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.247189][ T340] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.255012][ T340] device bridge_slave_0 entered promiscuous mode [ 166.262220][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.269510][ T340] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.277555][ T340] device bridge_slave_1 entered promiscuous mode [ 166.347871][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.355042][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.362368][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.369432][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.395351][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 166.403986][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.411653][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.439353][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 166.459162][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.466257][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.483882][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 166.496969][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.504069][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.516908][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 166.526224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 166.540109][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 166.552036][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 166.560328][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 166.567815][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 166.576340][ T340] device veth0_vlan entered promiscuous mode 2025/10/12 10:58:48 executed programs: 0 [ 166.587170][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 166.596400][ T340] device veth1_macvtap entered promiscuous mode [ 166.606518][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 166.616885][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 166.670744][ T340] syz-executor (340) used greatest stack depth: 21344 bytes left [ 166.866436][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.873667][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.881383][ T368] device bridge_slave_0 entered promiscuous mode [ 166.898119][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.905219][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.912786][ T369] device bridge_slave_0 entered promiscuous mode [ 166.930030][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.937060][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.944594][ T368] device bridge_slave_1 entered promiscuous mode [ 166.958948][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.965992][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.973550][ T369] device bridge_slave_1 entered promiscuous mode [ 167.115758][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.122869][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 167.130358][ T372] device bridge_slave_0 entered promiscuous mode [ 167.149430][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.156488][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 167.164052][ T374] device bridge_slave_0 entered promiscuous mode [ 167.175776][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.182856][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 167.191827][ T372] device bridge_slave_1 entered promiscuous mode [ 167.208747][ T375] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.215852][ T375] bridge0: port 1(bridge_slave_0) entered disabled state [ 167.223372][ T375] device bridge_slave_0 entered promiscuous mode [ 167.230216][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.237256][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 167.244874][ T374] device bridge_slave_1 entered promiscuous mode [ 167.265720][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.272818][ T375] bridge0: port 2(bridge_slave_1) entered disabled state [ 167.280347][ T375] device bridge_slave_1 entered promiscuous mode [ 167.443819][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 167.451379][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 167.485942][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 167.494556][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 167.503033][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.510089][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 167.529446][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 167.537131][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 167.545771][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 167.554096][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.561167][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 167.586245][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 167.594558][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 167.602540][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 167.610901][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 167.640682][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 167.648184][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 167.655805][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 167.664323][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 167.672685][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.679752][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 167.689347][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 167.706233][ T369] device veth0_vlan entered promiscuous mode [ 167.721495][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 167.729850][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 167.737995][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.745064][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 167.753680][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 167.762524][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 167.770958][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 167.779141][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 167.787081][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 167.795154][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 167.803381][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 167.811480][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 167.819688][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 167.827132][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 167.855022][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 167.862659][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 167.877889][ T369] device veth1_macvtap entered promiscuous mode [ 167.890176][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 167.898529][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 167.906990][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.914065][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 167.921578][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 167.930072][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 167.937471][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 167.945125][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 167.953537][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 167.962355][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 167.977323][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 167.985762][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 167.994022][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.001055][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.008557][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.017170][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 168.025687][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.032755][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.041815][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 168.049634][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.057903][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.066163][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.073210][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.095989][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 168.104317][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 168.127091][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 168.136114][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 168.145874][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 168.155248][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 168.166000][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 168.182445][ T368] device veth0_vlan entered promiscuous mode [ 168.208075][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 168.216230][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 168.225002][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 168.241895][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 168.255335][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.264138][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 168.272881][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.279956][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.288698][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 168.298350][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 168.306448][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 168.314866][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 168.323481][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 168.331050][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 168.338553][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 168.377896][ T372] device veth0_vlan entered promiscuous mode [ 168.391176][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.408126][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.416643][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.423717][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.431637][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 168.440729][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 168.449021][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 168.457354][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 168.465831][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 168.474119][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 168.482766][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 168.491590][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 168.505977][ T374] device veth0_vlan entered promiscuous mode [ 168.523636][ T368] device veth1_macvtap entered promiscuous mode [ 168.546135][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 168.555630][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 168.571797][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 168.579993][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 168.588137][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 168.596664][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 168.606698][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 168.615985][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 168.624620][ T424] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 168.639667][ T374] device veth1_macvtap entered promiscuous mode [ 268.668821][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 268.675910][ C0] (detected by 0, t=10002 jiffies, g=1509, q=572 ncpus=2) [ 268.683134][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10001 (4294964072-4294954071), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 268.696534][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g1509 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 268.707676][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 268.717662][ C0] rcu: RCU grace-period kthread stack dump: [ 268.723576][ C0] task:rcu_preempt state:R running task stack:28064 pid:14 ppid:2 flags:0x00004000 [ 268.734412][ C0] Call Trace: [ 268.737713][ C0] [ 268.740673][ C0] __schedule+0xb87/0x14e0 [ 268.745233][ C0] ? release_firmware_map_entry+0x194/0x194 [ 268.751153][ C0] ? __mod_timer+0x7ae/0xb30 [ 268.755772][ C0] schedule+0xbd/0x170 [ 268.759866][ C0] schedule_timeout+0x12c/0x2e0 [ 268.764746][ C0] ? __cfi_schedule_timeout+0x10/0x10 [ 268.770150][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 268.775635][ C0] ? __cfi_process_timeout+0x10/0x10 [ 268.780962][ C0] ? prepare_to_swait_event+0x308/0x320 [ 268.786545][ C0] rcu_gp_fqs_loop+0x2d8/0x10a0 [ 268.791425][ C0] ? __cfi_dyntick_save_progress_counter+0x10/0x10 [ 268.797947][ C0] ? rcu_gp_init+0xf10/0xf10 [ 268.802565][ C0] rcu_gp_kthread+0x95/0x370 [ 268.807173][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 268.812406][ C0] ? set_cpus_allowed_ptr+0x82/0xc0 [ 268.817641][ C0] ? __kasan_check_read+0x11/0x20 [ 268.822714][ C0] ? __kthread_parkme+0x142/0x180 [ 268.827781][ C0] kthread+0x281/0x320 [ 268.831891][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 268.837128][ C0] ? __cfi_kthread+0x10/0x10 [ 268.841742][ C0] ret_from_fork+0x1f/0x30 [ 268.846193][ C0] [ 268.849231][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 268.855573][ C0] CPU: 0 PID: 448 Comm: syz.4.21 Not tainted syzkaller #0 [ 268.862712][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 268.873052][ C0] RIP: 0010:check_preemption_disabled+0x0/0x120 [ 268.879338][ C0] Code: 90 90 90 90 90 b8 25 e5 7d 83 55 48 89 e5 48 c7 c7 40 10 aa 85 48 c7 c6 80 10 aa 85 e8 09 00 00 00 5d c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 [ 268.898990][ C0] RSP: 0018:ffffc90000d57ad8 EFLAGS: 00000246 [ 268.905096][ C0] RAX: 0000000080000001 RBX: 0000000000000000 RCX: ffffffff812e979c [ 268.913098][ C0] RDX: 0000000000000001 RSI: ffffffff85490460 RDI: ffffffff85aa10a0 [ 268.921092][ C0] RBP: ffffc90000d57ae0 R08: dffffc0000000000 R09: ffffed102309eca9 [ 268.929086][ C0] R10: ffffed102309eca9 R11: 1ffff1102309eca8 R12: 0000000000000000 [ 268.937081][ C0] R13: 1ffff920001aaf6c R14: ffff8881184f6540 R15: dffffc0000000000 [ 268.945070][ C0] FS: 00007febf18dd6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 268.954018][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 268.960620][ C0] CR2: 000020000006b000 CR3: 000000011fbb1000 CR4: 00000000003506b0 [ 268.968614][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 268.976607][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 268.984599][ C0] Call Trace: [ 268.987906][ C0] [ 268.990854][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 268.996432][ C0] __local_bh_enable_ip+0x41/0x80 [ 269.001489][ C0] fpu__restore_sig+0x848/0xf40 [ 269.006370][ C0] ? fpu__restore_sig+0x38d/0xf40 [ 269.011439][ C0] ? __cfi_fpu__restore_sig+0x10/0x10 [ 269.016841][ C0] ? __kasan_check_write+0x14/0x20 [ 269.021963][ C0] ? recalc_sigpending+0x180/0x1c0 [ 269.027177][ C0] ? __kasan_check_write+0x14/0x20 [ 269.032394][ C0] __ia32_sys_rt_sigreturn+0x5d0/0x6c0 [ 269.037877][ C0] ? __cfi___x64_sys_rt_sigreturn+0x10/0x10 [ 269.043797][ C0] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 269.049636][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 269.055720][ C0] x64_sys_call+0x832/0x9a0 [ 269.060255][ C0] do_syscall_64+0x4c/0xa0 [ 269.064700][ C0] ? clear_bhb_loop+0x30/0x80 [ 269.069398][ C0] ? clear_bhb_loop+0x30/0x80 [ 269.074105][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 269.080114][ C0] RIP: 0033:0x7febf098eec7 [ 269.084572][ C0] Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 [ 269.104196][ C0] RSP: 002b:00007febf18dd0e8 EFLAGS: 00000246 [ 269.110301][ C0] RAX: 00000000000000ca RBX: 00007febf0be5fa8 RCX: 00007febf098eec9 [ 269.118290][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007febf0be5fa8 [ 269.126282][ C0] RBP: 00007febf0be5fa0 R08: 0000000000000000 R09: 0000000000000000 [ 269.134275][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 269.142267][ C0] R13: 00007febf0be6038 R14: 00007ffe25527fa0 R15: 00007ffe25528088 [ 269.150265][ C0] [ 428.920327][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 260s! [ 428.929339][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 260s! [ 428.938283][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 257s! [ 428.947388][ C0] Showing busy workqueues and worker pools: [ 428.953304][ C0] workqueue events: flags=0x0 [ 428.958008][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 428.958119][ C0] pending: psi_avgs_work, kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker [ 428.958201][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 [ 428.958296][ C0] pending: vmstat_shepherd, kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker [ 428.958411][ C0] workqueue events_long: flags=0x0 [ 429.002548][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 429.002605][ C0] pending: br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work [ 429.002664][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 429.002704][ C0] pending: br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work [ 429.002760][ C0] workqueue events_unbound: flags=0x2 [ 429.041472][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6 [ 429.041577][ C0] in-flight: 424:linkwatch_event linkwatch_event [ 429.041680][ C0] pending: flush_memcg_stats_dwork, toggle_allocation_gate [ 429.041832][ C0] workqueue events_power_efficient: flags=0x80 [ 429.069462][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 429.069509][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work [ 429.069612][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 429.069651][ C0] pending: wg_ratelimiter_gc_entries, gc_worker, check_lifetime [ 429.069718][ C0] workqueue netns: flags=0xe000a [ 429.108433][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 429.108472][ C0] in-flight: 43:cleanup_net [ 429.108511][ C0] workqueue mm_percpu_wq: flags=0x8 [ 429.125599][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.125642][ C0] pending: vmstat_update [ 429.125675][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.125711][ C0] pending: vmstat_update [ 429.125745][ C0] workqueue writeback: flags=0x4a [ 429.155233][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.155272][ C0] pending: wb_workfn [ 429.155299][ C0] workqueue kblockd: flags=0x18 [ 429.171608][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 429.171650][ C0] pending: blk_mq_timeout_work [ 429.171838][ C0] workqueue dm_bufio_cache: flags=0x8 [ 429.190260][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.190316][ C0] pending: work_fn [ 429.190357][ C0] workqueue mld: flags=0x40008 [ 429.206895][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=40 [ 429.206940][ C0] pending: mld_dad_work [ 429.206979][ C0] inactive: 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_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_dad_work, mld_dad_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 [ 429.208620][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=42 [ 429.208664][ C0] pending: mld_ifc_work [ 429.208700][ 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_dad_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_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_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work [ 429.336334][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 429.342100][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=102 [ 429.342146][ C0] in-flight: 24:addrconf_dad_work [ 429.342194][ 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 [ 429.343778][ 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_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work, addrconf_verify_work [ 429.345028][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=120 [ 429.345066][ C0] in-flight: 363:addrconf_dad_work [ 429.345135][ 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 [ 429.346501][ 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 [ 429.347870][ 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_verify_work, addrconf_verify_work [ 429.348410][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.756404][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.756457][ C0] pending: wg_packet_encrypt_worker [ 429.756493][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.756532][ C0] pending: wg_packet_encrypt_worker [ 429.756562][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.788284][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.788334][ C0] pending: wg_packet_encrypt_worker [ 429.788367][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.788408][ C0] pending: wg_packet_encrypt_worker [ 429.788528][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.820223][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.820274][ C0] pending: wg_packet_encrypt_worker [ 429.820313][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.820353][ C0] pending: wg_packet_encrypt_worker [ 429.820386][ C0] workqueue wg-kex-wg0: flags=0x6 [ 429.851810][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.851856][ C0] pending: wg_packet_handshake_send_worker [ 429.851887][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 429.870558][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.870606][ C0] pending: wg_packet_encrypt_worker [ 429.870637][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.870675][ C0] pending: wg_packet_encrypt_worker [ 429.870705][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 429.902425][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.902476][ C0] pending: wg_packet_encrypt_worker [ 429.902507][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.902546][ C0] pending: wg_packet_encrypt_worker [ 429.902575][ C0] workqueue wg-kex-wg2: flags=0x6 [ 429.933994][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 429.934037][ C0] pending: wg_packet_handshake_send_worker [ 429.934069][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 429.952750][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.952797][ C0] pending: wg_packet_encrypt_worker [ 429.952827][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.952867][ C0] pending: wg_packet_encrypt_worker [ 429.953048][ C0] workqueue wg-kex-wg0: flags=0x24 [ 429.984845][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 429.984892][ C0] pending: wg_packet_handshake_receive_worker [ 429.984930][ C0] workqueue wg-kex-wg0: flags=0x6 [ 430.004018][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.004057][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.004193][ C0] workqueue wg-kex-wg1: flags=0x24 [ 430.025586][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 430.025639][ C0] pending: wg_packet_handshake_receive_worker [ 430.025691][ C0] workqueue wg-kex-wg1: flags=0x6 [ 430.044810][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 430.044853][ C0] pending: wg_packet_handshake_send_worker [ 430.044883][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 430.063555][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 430.063601][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 430.063652][ C0] workqueue wg-kex-wg2: flags=0x6 [ 430.083798][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 430.083839][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 430.084049][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=261s workers=4 idle: 6 19 356 [ 430.084139][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=261s workers=4 idle: 210 415 39 [ 430.084196][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=261s workers=6 idle: 336 10 8 333