Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. 2026/04/21 14:20:59 parsed 1 programs [ 236.573040][ T28] audit: type=1400 audit(1776781259.798:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 236.593902][ T28] audit: type=1400 audit(1776781259.798:65): avc: denied { module_request } for pid=282 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 237.729972][ T28] audit: type=1400 audit(1776781260.958:66): avc: denied { mounton } for pid=290 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 [ 237.734213][ T290] cgroup: Unknown subsys name 'net' [ 237.757953][ T28] audit: type=1400 audit(1776781260.958:67): avc: denied { mount } for pid=290 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 [ 237.780303][ T290] cgroup: Unknown subsys name 'devices' [ 237.780463][ T28] audit: type=1400 audit(1776781260.988:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 237.899282][ T290] cgroup: Unknown subsys name 'hugetlb' [ 237.904947][ T290] cgroup: Unknown subsys name 'rlimit' [ 238.053811][ T28] audit: type=1400 audit(1776781261.278:69): avc: denied { setattr } for pid=290 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 [ 238.077054][ T28] audit: type=1400 audit(1776781261.278:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 238.097497][ T28] audit: type=1400 audit(1776781261.278:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 238.117791][ T28] audit: type=1400 audit(1776781261.278:72): avc: denied { read } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 238.138056][ T28] audit: type=1400 audit(1776781261.288:73): avc: denied { mounton } for pid=290 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 [ 238.174819][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 238.277562][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 239.101580][ T301] request_module fs-gadgetfs succeeded, but still no fs? [ 239.659555][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 239.673473][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 239.708898][ T315] device bridge_slave_0 entered promiscuous mode [ 239.756845][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 239.763946][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 239.771595][ T315] device bridge_slave_1 entered promiscuous mode [ 239.991891][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 239.999012][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 240.006344][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.013452][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 240.040297][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.048573][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.056183][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 240.065933][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 240.082484][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 240.091157][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.098267][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 240.106042][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 240.115132][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.122264][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 240.139880][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 240.148871][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 240.168094][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 240.179034][ T315] device veth0_vlan entered promiscuous mode [ 240.188221][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 240.198923][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 240.206518][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 240.216668][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 240.226087][ T315] device veth1_macvtap entered promiscuous mode 2026/04/21 14:21:03 executed programs: 0 [ 240.243450][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 240.253849][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 240.311349][ T315] syz-executor (315) used greatest stack depth: 21728 bytes left [ 240.489767][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.497346][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.504844][ T364] device bridge_slave_0 entered promiscuous mode [ 240.524959][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.532114][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.539875][ T364] device bridge_slave_1 entered promiscuous mode [ 240.574304][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.581501][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.589126][ T365] device bridge_slave_0 entered promiscuous mode [ 240.597981][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.605045][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.612752][ T365] device bridge_slave_1 entered promiscuous mode [ 240.688550][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.695641][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.703320][ T366] device bridge_slave_0 entered promiscuous mode [ 240.721463][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.728597][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.736075][ T361] device bridge_slave_0 entered promiscuous mode [ 240.748401][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.755479][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.763088][ T366] device bridge_slave_1 entered promiscuous mode [ 240.781251][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.788438][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.795913][ T361] device bridge_slave_1 entered promiscuous mode [ 240.820856][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.828010][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.835469][ T368] device bridge_slave_0 entered promiscuous mode [ 240.868869][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.875971][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.883519][ T368] device bridge_slave_1 entered promiscuous mode [ 241.024564][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.031666][ T365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.044105][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.051640][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.059018][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.066077][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.083674][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.090797][ T361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.098555][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.105611][ T361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.146249][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 241.153533][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.161607][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 241.169755][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 241.177715][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 241.185078][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 241.216223][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 241.224121][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.251114][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.259564][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.266678][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.274248][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 241.282314][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.289897][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.298258][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.305295][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.312891][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 241.321342][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.329697][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.336764][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.344126][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 241.352697][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.361051][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.368129][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.375692][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 241.398162][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.407166][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.415382][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.422475][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.430068][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.438648][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.446985][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.454019][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.461597][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.469687][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.477970][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.485005][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.492452][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 241.500821][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.509122][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.516170][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.538001][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.545956][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.589538][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.597611][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.605537][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.613911][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.622193][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 241.630837][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 241.639269][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 241.647649][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 241.658465][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 241.667267][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 241.693443][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 241.701305][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.709067][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 241.718016][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.726151][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.733239][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.741196][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 241.749938][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.758574][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.765615][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.773172][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 241.781450][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.789601][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 241.804321][ T365] device veth0_vlan entered promiscuous mode [ 241.819014][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 241.827514][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 241.835798][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 241.844083][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 241.852499][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 241.860975][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 241.869240][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 241.878067][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.886427][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 241.894203][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 241.901984][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 241.909659][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 241.918025][ T366] device veth0_vlan entered promiscuous mode [ 241.933378][ T361] device veth0_vlan entered promiscuous mode [ 241.942429][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 241.950495][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 241.960027][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 241.967744][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 241.975798][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 241.983880][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 242.002793][ T366] device veth1_macvtap entered promiscuous mode [ 242.013687][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 242.021706][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 242.029413][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 242.037928][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 242.046178][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 242.054485][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 242.062966][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 242.072027][ T365] device veth1_macvtap entered promiscuous mode [ 242.081665][ T361] device veth1_macvtap entered promiscuous mode [ 242.089481][ T364] device veth0_vlan entered promiscuous mode [ 242.102790][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 242.110619][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 242.118874][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 242.127585][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 242.161951][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 242.173811][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 242.182531][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 242.193367][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 242.202551][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 242.211276][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 242.220517][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 242.229250][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 242.238430][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 242.248545][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 242.265345][ T364] device veth1_macvtap entered promiscuous mode [ 242.281735][ T368] device veth0_vlan entered promiscuous mode [ 242.296498][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 242.307460][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 242.315602][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 242.323501][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 242.331331][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 242.340341][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 242.349446][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 242.357764][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 242.366053][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 242.410542][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 342.426579][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 342.433700][ C1] (detected by 1, t=10002 jiffies, g=1693, q=639 ncpus=2) [ 342.441031][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294971444-4294961441), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 342.454472][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1693 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 342.465629][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 342.475731][ C1] rcu: RCU grace-period kthread stack dump: [ 342.481667][ C1] task:rcu_preempt state:R running task stack:28288 pid:14 ppid:2 flags:0x00004000 [ 342.492526][ C1] Call Trace: [ 342.495870][ C1] [ 342.498876][ C1] __schedule+0xba6/0x1500 [ 342.503361][ C1] ? release_firmware_map_entry+0x190/0x190 [ 342.509497][ C1] schedule+0xbd/0x170 [ 342.513650][ C1] schedule_timeout+0x159/0x340 [ 342.518560][ C1] ? __cfi_schedule_timeout+0x10/0x10 [ 342.524010][ C1] ? __cfi_process_timeout+0x10/0x10 [ 342.529363][ C1] ? prepare_to_swait_event+0x308/0x320 [ 342.534995][ C1] rcu_gp_fqs_loop+0x2e9/0x10c0 [ 342.539897][ C1] ? _raw_spin_unlock_irq+0x4d/0x70 [ 342.545143][ C1] ? rcu_gp_init+0xf30/0xf30 [ 342.549985][ C1] rcu_gp_kthread+0x99/0x390 [ 342.554725][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 342.559968][ C1] ? __kasan_check_read+0x11/0x20 [ 342.565053][ C1] ? __kthread_parkme+0x142/0x180 [ 342.570153][ C1] kthread+0x281/0x320 [ 342.574370][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10 [ 342.579871][ C1] ? __cfi_kthread+0x10/0x10 [ 342.584524][ C1] ret_from_fork+0x1f/0x30 [ 342.589006][ C1] [ 342.592248][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 342.598646][ C1] Sending NMI from CPU 1 to CPUs 0: [ 342.604264][ C0] NMI backtrace for cpu 0 [ 342.604280][ C0] CPU: 0 PID: 392 Comm: syz.2.24 Not tainted syzkaller #0 [ 342.604299][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 342.604309][ C0] RIP: 0010:_raw_spin_lock_irqsave+0x67/0x130 [ 342.604341][ C0] Code: 61 86 48 c7 44 24 10 e0 73 01 85 49 89 e4 49 c1 ec 03 48 b8 f1 f1 f1 f1 f8 f2 f8 f3 49 bd 00 00 00 00 00 fc ff df 4b 89 04 2c <43> c7 44 2c 08 f3 f3 f3 f3 43 c6 44 2c 06 00 48 c7 44 24 30 00 00 [ 342.604356][ C0] RSP: 0018:ffffc90000007e20 EFLAGS: 00000802 [ 342.604373][ C0] RAX: f3f8f2f8f1f1f1f1 RBX: ffff8881003245c4 RCX: ffffffff87b7a103 [ 342.604387][ C0] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8881003245c4 [ 342.604399][ C0] RBP: ffffc90000007ec8 R08: ffffffff87b72008 R09: ffffffff87b72018 [ 342.604413][ C0] R10: ffffffff87b72003 R11: 1ffffffff0f6e400 R12: 1ffff92000000fc4 [ 342.604427][ C0] R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc90000007e40 [ 342.604440][ C0] FS: 00007f6f37e596c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 342.604457][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 342.604470][ C0] CR2: 000020000006b000 CR3: 000000012f954000 CR4: 00000000003506b0 [ 342.604486][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 342.604496][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 342.604508][ C0] Call Trace: [ 342.604514][ C0] [ 342.604521][ C0] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 342.604540][ C0] ? sched_clock_cpu+0x6e/0x260 [ 342.604562][ C0] ? __cfi_sched_clock_cpu+0x10/0x10 [ 342.604584][ C0] try_to_wake_up+0x4d/0x1220 [ 342.604608][ C0] wake_up_process+0x10/0x20 [ 342.604626][ C0] handle_softirqs+0x539/0x600 [ 342.604648][ C0] __do_softirq+0xb/0xd [ 342.604671][ C0] do_softirq+0xdc/0x130 [ 342.604689][ C0] [ 342.604694][ C0] [ 342.604700][ C0] ? __cfi_do_softirq+0x10/0x10 [ 342.604719][ C0] ? fpu__clear_user_states+0x38/0x2b0 [ 342.604740][ C0] ? fpu__clear_user_states+0x38/0x2b0 [ 342.604761][ C0] __local_bh_enable_ip+0x75/0x80 [ 342.604779][ C0] fpu__clear_user_states+0x18d/0x2b0 [ 342.604800][ C0] arch_do_signal_or_restart+0x467/0x1140 [ 342.604827][ C0] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 342.604868][ C0] exit_to_user_mode_loop+0x7a/0xb0 [ 342.604889][ C0] exit_to_user_mode_prepare+0x87/0xd0 [ 342.604908][ C0] syscall_exit_to_user_mode+0x1a/0x30 [ 342.604933][ C0] do_syscall_64+0x58/0xa0 [ 342.604950][ C0] ? clear_bhb_loop+0x30/0x80 [ 342.604973][ C0] ? clear_bhb_loop+0x30/0x80 [ 342.604996][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 342.605018][ C0] RIP: 0033:0x7f6f36fbbd90 [ 342.605038][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 3a 22 07 00 e8 65 65 f9 ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 [ 342.605052][ C0] RSP: 002b:00007f6f37e58b38 EFLAGS: 00000246 [ 342.605066][ C0] RAX: 0000000000000000 RBX: 00007f6f37215fa8 RCX: 00007f6f36f9c819 [ 342.605078][ C0] RDX: 00007f6f37e58b40 RSI: 00007f6f37e58c70 RDI: 0000000000000021 [ 342.605090][ C0] RBP: 00007f6f37215fa0 R08: 0000000000000000 R09: 0000000000000000 [ 342.605102][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 342.605113][ C0] R13: 00007f6f37216038 R14: 00007fffbccf0280 R15: 00007fffbccf0368 [ 342.605129][ C0]