Warning: Permanently added '10.128.1.44' (ED25519) to the list of known hosts. 2025/09/06 10:04:24 parsed 1 programs [ 260.349373][ T30] audit: type=1400 audit(1757153064.813:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 260.370361][ T30] audit: type=1400 audit(1757153064.813:65): avc: denied { module_request } for pid=281 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 [ 261.007031][ T30] audit: type=1400 audit(1757153065.473:66): 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 [ 261.008285][ T290] cgroup: Unknown subsys name 'net' [ 261.029706][ T30] audit: type=1400 audit(1757153065.473:67): 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 [ 261.057340][ T30] audit: type=1400 audit(1757153065.513:68): 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 [ 261.057592][ T290] cgroup: Unknown subsys name 'devices' [ 261.202370][ T290] cgroup: Unknown subsys name 'hugetlb' [ 261.208010][ T290] cgroup: Unknown subsys name 'rlimit' [ 261.410536][ T30] audit: type=1400 audit(1757153065.883:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 261.433714][ T30] audit: type=1400 audit(1757153065.883:70): 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 [ 261.440827][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 261.454232][ T30] audit: type=1400 audit(1757153065.883:71): 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 [ 261.482860][ T30] audit: type=1400 audit(1757153065.883:72): 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 [ 261.503147][ T30] audit: type=1400 audit(1757153065.883:73): 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 [ 261.512193][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 261.983442][ T299] request_module fs-gadgetfs succeeded, but still no fs? [ 262.142035][ T301] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.149210][ T301] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.177085][ T301] device bridge_slave_0 entered promiscuous mode [ 262.192772][ T301] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.199882][ T301] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.210151][ T301] device bridge_slave_1 entered promiscuous mode [ 262.575246][ T301] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.582326][ T301] bridge0: port 2(bridge_slave_1) entered forwarding state [ 262.589624][ T301] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.596780][ T301] bridge0: port 1(bridge_slave_0) entered forwarding state [ 262.650977][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 262.671313][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.679228][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 262.687169][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 262.699824][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 262.708430][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.715498][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 262.738915][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 262.751386][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 262.768227][ T301] device veth0_vlan entered promiscuous mode [ 262.775499][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 262.784243][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 262.792569][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 262.800099][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 262.815196][ T301] device veth1_macvtap entered promiscuous mode [ 262.822637][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 262.834287][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2025/09/06 10:04:27 executed programs: 0 [ 262.846646][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 262.955852][ T301] syz-executor (301) used greatest stack depth: 21632 bytes left [ 263.125535][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.132966][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.140646][ T366] device bridge_slave_0 entered promiscuous mode [ 263.148715][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.156040][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.163464][ T366] device bridge_slave_1 entered promiscuous mode [ 263.197062][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.204163][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.211563][ T374] device bridge_slave_0 entered promiscuous mode [ 263.218355][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.225446][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.232912][ T374] device bridge_slave_1 entered promiscuous mode [ 263.262770][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.269807][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.277308][ T371] device bridge_slave_0 entered promiscuous mode [ 263.301343][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.308385][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.315791][ T371] device bridge_slave_1 entered promiscuous mode [ 263.330033][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.337232][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.344802][ T368] device bridge_slave_0 entered promiscuous mode [ 263.362927][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.370056][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.377570][ T368] device bridge_slave_1 entered promiscuous mode [ 263.421616][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.428662][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.436101][ T373] device bridge_slave_0 entered promiscuous mode [ 263.455753][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.462932][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.470439][ T373] device bridge_slave_1 entered promiscuous mode [ 263.618097][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.625178][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.632455][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.639463][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.677379][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.684450][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.691751][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.698770][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.719208][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.726768][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.735206][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 263.743304][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.750654][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.765920][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 263.773330][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 263.787794][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 263.795987][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.803031][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.814361][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 263.823440][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.830474][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.858255][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 263.866029][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 263.874408][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.881468][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.889593][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 263.897777][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.904799][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.928394][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 263.936340][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 263.944480][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 263.952804][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.959832][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.967300][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 263.975493][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.982521][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.989934][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 264.010725][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 264.018622][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 264.026897][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 264.034981][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 264.043524][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 264.050612][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 264.067941][ T371] device veth0_vlan entered promiscuous mode [ 264.081809][ T366] device veth0_vlan entered promiscuous mode [ 264.094644][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 264.104450][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 264.113093][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 264.121557][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 264.129577][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 264.137316][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 264.145347][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 264.152806][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 264.160143][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 264.168073][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 264.176044][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 264.184348][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 264.192659][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 264.199664][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 264.216081][ T366] device veth1_macvtap entered promiscuous mode [ 264.223151][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 264.230760][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 264.238172][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 264.246622][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 264.254905][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 264.261938][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 264.269263][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 264.277586][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 264.285781][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 264.292809][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 264.300112][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 264.308260][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 264.316429][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 264.324566][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 264.332531][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 264.340645][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 264.348677][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 264.356397][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 264.376049][ T373] device veth0_vlan entered promiscuous mode [ 264.383051][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 264.391310][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 264.398741][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 264.406330][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 264.414509][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 264.422826][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 264.431989][ T371] device veth1_macvtap entered promiscuous mode [ 264.440117][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 264.447846][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 264.456123][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 264.467086][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 264.475294][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 264.489724][ T373] device veth1_macvtap entered promiscuous mode [ 264.500954][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 264.509073][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 264.517465][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 264.526215][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 264.534408][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 264.552524][ T368] device veth0_vlan entered promiscuous mode [ 264.559092][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 264.567542][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 264.575929][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 264.584341][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 264.592670][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 264.601540][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 264.609725][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 264.617772][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 264.625769][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 264.633332][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 264.655741][ T368] device veth1_macvtap entered promiscuous mode [ 264.664060][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 264.672234][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 264.680568][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 264.688613][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 264.696833][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 264.705219][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 264.713545][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 264.725929][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 264.734318][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 264.766483][ T374] device veth0_vlan entered promiscuous mode [ 264.797719][ T374] device veth1_macvtap entered promiscuous mode [ 264.833574][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 364.870337][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 364.877607][ C0] (detected by 0, t=10002 jiffies, g=1413, q=505) [ 364.884107][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294973706-4294963703), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 364.897472][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1413 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 364.908579][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 364.918542][ C0] rcu: RCU grace-period kthread stack dump: [ 364.924416][ C0] task:rcu_preempt state:R running task stack:28720 pid: 14 ppid: 2 flags:0x00004000 [ 364.935285][ C0] Call Trace: [ 364.938565][ C0] [ 364.941490][ C0] __schedule+0xb6e/0x14c0 [ 364.945992][ C0] ? release_firmware_map_entry+0x190/0x190 [ 364.951881][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 364.957682][ C0] ? __mod_timer+0x7ae/0xb30 [ 364.962271][ C0] schedule+0x11e/0x1e0 [ 364.966431][ C0] schedule_timeout+0x12c/0x2e0 [ 364.971277][ C0] ? console_conditional_schedule+0x30/0x30 [ 364.977164][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 364.982617][ C0] ? update_process_times+0x200/0x200 [ 364.987984][ C0] ? prepare_to_swait_event+0x308/0x320 [ 364.993521][ C0] rcu_gp_fqs_loop+0x293/0xf60 [ 364.998281][ C0] ? debug_smp_processor_id+0x17/0x20 [ 365.003655][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 365.008758][ C0] ? rcu_gp_init+0xc00/0xc00 [ 365.013341][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 365.018534][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 365.023125][ C0] rcu_gp_kthread+0x98/0x330 [ 365.027732][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 365.032414][ C0] ? __kasan_check_read+0x11/0x20 [ 365.037468][ C0] ? __kthread_parkme+0xac/0x200 [ 365.042402][ C0] ? preempt_count_add+0x90/0x1b0 [ 365.047589][ C0] kthread+0x411/0x500 [ 365.051668][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 365.056345][ C0] ? kthread_blkcg+0xd0/0xd0 [ 365.060939][ C0] ret_from_fork+0x1f/0x30 [ 365.065457][ C0] [ 365.068475][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 365.074789][ C0] Sending NMI from CPU 0 to CPUs 1: [ 365.079998][ C1] NMI backtrace for cpu 1 [ 365.080110][ C1] CPU: 1 PID: 427 Comm: syz.5.23 Not tainted syzkaller #0 [ 365.080127][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 365.080139][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 365.080165][ C1] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 ca 42 3a 01 5d c3 0f 1f 84 00 00 00 00 [ 365.080177][ C1] RSP: 0018:ffffc90001627880 EFLAGS: 00000046 [ 365.080196][ C1] RAX: 000000000000003e RBX: 000000000000003e RCX: 0000000000000838 [ 365.080205][ C1] RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000838 [ 365.080215][ C1] RBP: ffffc90001627880 R08: ffff8881139f93c0 R09: 0000000000000002 [ 365.080225][ C1] R10: 0000000000000003 R11: 0000000000000000 R12: 000000000000003e [ 365.080234][ C1] R13: dffffc0000000000 R14: ffffffff85e629f8 R15: dffffc0000000000 [ 365.080246][ C1] FS: 00007f51931906c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 365.080260][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.080271][ C1] CR2: 000020000006b000 CR3: 000000012e9de000 CR4: 00000000003506a0 [ 365.080284][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 365.080293][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 365.080302][ C1] Call Trace: [ 365.080307][ C1] [ 365.080313][ C1] lapic_next_event+0x5f/0x70 [ 365.080328][ C1] clockevents_program_min_delta+0x1a7/0x340 [ 365.080346][ C1] clockevents_program_event+0x21f/0x300 [ 365.080360][ C1] tick_program_event+0xa3/0x120 [ 365.080375][ C1] hrtimer_reprogram+0x388/0x430 [ 365.080393][ C1] hrtimer_start_range_ns+0xa76/0xc00 [ 365.080410][ C1] common_hrtimer_rearm+0xf6/0x100 [ 365.080426][ C1] posixtimer_rearm+0x13d/0x330 [ 365.080442][ C1] dequeue_signal+0x173/0x440 [ 365.080458][ C1] get_signal+0x696/0x1480 [ 365.080474][ C1] arch_do_signal_or_restart+0xc1/0x10f0 [ 365.080491][ C1] ? load_gs_index+0xb0/0xb0 [ 365.080504][ C1] ? get_sigframe_size+0x10/0x10 [ 365.080519][ C1] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 365.080538][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 365.080551][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 365.080566][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 365.080582][ C1] do_syscall_64+0x58/0xa0 [ 365.080596][ C1] ? clear_bhb_loop+0x50/0xa0 [ 365.080612][ C1] ? clear_bhb_loop+0x50/0xa0 [ 365.080626][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 365.080643][ C1] RIP: 0033:0x7f519331fbe7 [ 365.080663][ C1] 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 [ 365.080674][ C1] RSP: 002b:00007f51931900e8 EFLAGS: 00000246 [ 365.080686][ C1] RAX: 00000000000000ca RBX: 00007f5193556fa8 RCX: 00007f519331fbe9 [ 365.080696][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5193556fa8 [ 365.080706][ C1] RBP: 00007f5193556fa0 R08: 0000000000000000 R09: 0000000000000000 [ 365.080715][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 365.080724][ C1] R13: 00007f5193557038 R14: 00007ffd087cd2d0 R15: 00007ffd087cd3b8 [ 365.080736][ C1]