Warning: Permanently added '10.128.0.27' (ED25519) to the list of known hosts. 2025/10/05 23:14:16 parsed 1 programs [ 247.716079][ T30] audit: type=1400 audit(1759706056.542:64): avc: denied { node_bind } for pid=280 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 247.737467][ T30] audit: type=1400 audit(1759706056.542:65): avc: denied { module_request } for pid=280 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 [ 248.770550][ T30] audit: type=1400 audit(1759706057.602:66): avc: denied { mounton } for pid=288 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 [ 248.772878][ T288] cgroup: Unknown subsys name 'net' [ 248.801644][ T30] audit: type=1400 audit(1759706057.602:67): avc: denied { mount } for pid=288 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 [ 248.837476][ T30] audit: type=1400 audit(1759706057.642:68): avc: denied { unmount } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 248.838155][ T288] cgroup: Unknown subsys name 'devices' [ 249.010871][ T288] cgroup: Unknown subsys name 'hugetlb' [ 249.017907][ T288] cgroup: Unknown subsys name 'rlimit' [ 249.286061][ T30] audit: type=1400 audit(1759706058.112:69): avc: denied { setattr } for pid=288 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 [ 249.310096][ T30] audit: type=1400 audit(1759706058.112:70): avc: denied { create } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 249.331204][ T30] audit: type=1400 audit(1759706058.112:71): avc: denied { write } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 249.339517][ T291] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 249.351858][ T30] audit: type=1400 audit(1759706058.112:72): avc: denied { read } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 249.380974][ T30] audit: type=1400 audit(1759706058.112:73): avc: denied { mounton } for pid=288 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 [ 249.433188][ T288] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 250.016032][ T297] request_module fs-gadgetfs succeeded, but still no fs? [ 250.441718][ T304] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.448940][ T304] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.457704][ T304] device bridge_slave_0 entered promiscuous mode [ 250.466810][ T304] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.474693][ T304] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.482767][ T304] device bridge_slave_1 entered promiscuous mode [ 250.746077][ T304] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.753341][ T304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 250.760849][ T304] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.768590][ T304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.799946][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 250.807456][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 250.824380][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 250.832750][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 250.842516][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 250.851064][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 250.858245][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 250.870293][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 250.883250][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 250.890479][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 250.910714][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 250.926428][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 250.943209][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 250.956770][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 250.965829][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 250.973786][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 250.982883][ T304] device veth0_vlan entered promiscuous mode [ 251.006154][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 251.022275][ T304] device veth1_macvtap entered promiscuous mode [ 251.049931][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2025/10/05 23:14:19 executed programs: 0 [ 251.065238][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 251.155536][ T304] syz-executor (304) used greatest stack depth: 21760 bytes left [ 251.212856][ T339] syz-executor (339) used greatest stack depth: 21248 bytes left [ 251.280767][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.287840][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 251.295599][ T367] device bridge_slave_0 entered promiscuous mode [ 251.317441][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.326084][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 251.333917][ T367] device bridge_slave_1 entered promiscuous mode [ 251.352022][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.359413][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 251.367019][ T369] device bridge_slave_0 entered promiscuous mode [ 251.387152][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.394779][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 251.402805][ T369] device bridge_slave_1 entered promiscuous mode [ 251.452954][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.461208][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 251.469722][ T371] device bridge_slave_0 entered promiscuous mode [ 251.477955][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.486071][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 251.494204][ T371] device bridge_slave_1 entered promiscuous mode [ 251.527497][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.535220][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 251.543012][ T373] device bridge_slave_0 entered promiscuous mode [ 251.551561][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.558981][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 251.566821][ T373] device bridge_slave_1 entered promiscuous mode [ 251.620483][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.627663][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 251.635789][ T374] device bridge_slave_0 entered promiscuous mode [ 251.661737][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.668846][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 251.676509][ T374] device bridge_slave_1 entered promiscuous mode [ 251.859985][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 251.867066][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 251.922255][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 251.930499][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 251.940130][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 251.948358][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 251.955942][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 251.963738][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 251.971298][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 251.979931][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 251.988280][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 251.995382][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 252.002880][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 252.011365][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 252.019522][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 252.026583][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 252.034247][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 252.059471][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 252.068054][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 252.076832][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 252.083954][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 252.092405][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 252.100860][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 252.107922][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 252.115395][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 252.127619][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 252.162526][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 252.171142][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 252.179994][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 252.187647][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 252.195614][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 252.215745][ T367] device veth0_vlan entered promiscuous mode [ 252.230181][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 252.238177][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 252.246598][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 252.253695][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 252.262263][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 252.270666][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 252.278007][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 252.285895][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 252.300703][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 252.309110][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 252.328615][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 252.338573][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 252.347069][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 252.354181][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 252.362770][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 252.372318][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 252.379477][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 252.387457][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 252.401673][ T367] device veth1_macvtap entered promiscuous mode [ 252.416725][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 252.425201][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 252.433802][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 252.442917][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 252.451528][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 252.460056][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 252.468339][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 252.476810][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 252.491080][ T369] device veth0_vlan entered promiscuous mode [ 252.509455][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 252.517728][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 252.526293][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 252.535223][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 252.545618][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 252.553766][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 252.562040][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 252.570795][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 252.579387][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 252.586660][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 252.594525][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 252.602925][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 252.611206][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 252.618257][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 252.625943][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 252.633507][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 252.641452][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 252.652769][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 252.661420][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 252.691800][ T371] device veth0_vlan entered promiscuous mode [ 252.698369][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 252.707246][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 252.720221][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 252.728594][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 252.737332][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 252.746024][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 252.754568][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 252.763654][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 252.778883][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 252.786642][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 252.804044][ T369] device veth1_macvtap entered promiscuous mode [ 252.827299][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 252.835931][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 252.846127][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 252.855612][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 252.864159][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 252.872883][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 252.881748][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 252.892860][ T371] device veth1_macvtap entered promiscuous mode [ 252.913879][ T374] device veth0_vlan entered promiscuous mode [ 252.928693][ T373] device veth0_vlan entered promiscuous mode [ 252.935263][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 252.943935][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 252.952862][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 252.963415][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 252.974272][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 252.983211][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 252.992228][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 253.001252][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 253.009523][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 253.017847][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 253.027034][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 253.048077][ T374] device veth1_macvtap entered promiscuous mode [ 253.064607][ T373] device veth1_macvtap entered promiscuous mode [ 253.107742][ T319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 353.138750][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 353.146038][ C1] (detected by 1, t=10002 jiffies, g=1833, q=720) [ 353.152702][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10001 (4294972511-4294962510), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 353.166184][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g1833 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 353.177768][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 353.188087][ C1] rcu: RCU grace-period kthread stack dump: [ 353.193986][ C1] task:rcu_preempt state:R running task stack:28720 pid: 14 ppid: 2 flags:0x00004000 [ 353.204980][ C1] Call Trace: [ 353.208279][ C1] [ 353.211342][ C1] __schedule+0xb6e/0x14c0 [ 353.215805][ C1] ? release_firmware_map_entry+0x190/0x190 [ 353.221914][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 353.228014][ C1] ? __mod_timer+0x7ae/0xb30 [ 353.232747][ C1] schedule+0x11e/0x1e0 [ 353.236934][ C1] schedule_timeout+0x12c/0x2e0 [ 353.241896][ C1] ? console_conditional_schedule+0x30/0x30 [ 353.247899][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 353.253376][ C1] ? update_process_times+0x200/0x200 [ 353.259098][ C1] ? prepare_to_swait_event+0x308/0x320 [ 353.264669][ C1] rcu_gp_fqs_loop+0x293/0xf60 [ 353.269459][ C1] ? rcu_cleanup_dead_rnp+0x180/0x180 [ 353.275118][ C1] ? rcu_gp_init+0xc00/0xc00 [ 353.279833][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 353.285509][ C1] ? rcu_gp_init+0x9a7/0xc00 [ 353.290124][ C1] rcu_gp_kthread+0x98/0x330 [ 353.294825][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 353.299922][ C1] ? __kasan_check_read+0x11/0x20 [ 353.305932][ C1] ? __kthread_parkme+0xac/0x200 [ 353.310914][ C1] ? preempt_count_add+0x90/0x1b0 [ 353.316186][ C1] kthread+0x411/0x500 [ 353.320284][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 353.325343][ C1] ? kthread_blkcg+0xd0/0xd0 [ 353.329981][ C1] ret_from_fork+0x1f/0x30 [ 353.334690][ C1] [ 353.337849][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 353.344468][ C1] Sending NMI from CPU 1 to CPUs 0: [ 353.349914][ C0] NMI backtrace for cpu 0 [ 353.349933][ C0] CPU: 0 PID: 439 Comm: syz.6.18 Not tainted syzkaller #0 [ 353.349950][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 353.349963][ C0] RIP: 0010:preempt_count_add+0xb3/0x1b0 [ 353.349992][ C0] Code: 89 df e8 10 1b 08 00 85 c0 74 1f 48 8b 45 00 48 8b 58 08 48 89 df e8 fc 1a 08 00 85 c0 74 0b 48 8b 45 00 48 8b 00 48 8b 58 08 <65> 4c 8b 35 d5 5e bb 7e 49 81 c6 b0 0a 00 00 4c 89 f0 48 c1 e8 03 [ 353.350007][ C0] RSP: 0018:ffffc900012f7ad8 EFLAGS: 00000246 [ 353.350022][ C0] RAX: 0000000000000000 RBX: ffffffff812b64f2 RCX: ffffffff870c6f00 [ 353.350034][ C0] RDX: 1ffff1102275c4f5 RSI: 00007f21f5a5e044 RDI: ffffffff812b64f2 [ 353.350047][ C0] RBP: ffffc900012f7af0 R08: ffffc900012f7da0 R09: ffffed102275c4f1 [ 353.350060][ C0] R10: ffffed102275c4f1 R11: 1ffff1102275c4f0 R12: dffffc0000000000 [ 353.350072][ C0] R13: 00007f21f5a5dd00 R14: 00007f21f5a5dd00 R15: dffffc0000000000 [ 353.350085][ C0] FS: 00007f21f5a5e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 353.350100][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 353.350112][ C0] CR2: 000020000006b000 CR3: 000000012f558000 CR4: 00000000003506b0 [ 353.350127][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 353.350137][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 353.350147][ C0] Call Trace: [ 353.350152][ C0] [ 353.350159][ C0] copy_fpstate_to_sigframe+0x192/0x9a0 [ 353.350184][ C0] ? fpregs_set+0x540/0x540 [ 353.350200][ C0] ? get_signal+0x13da/0x1480 [ 353.350220][ C0] ? fpu__alloc_mathframe+0x88/0x150 [ 353.350239][ C0] arch_do_signal_or_restart+0x5e3/0x10f0 [ 353.350259][ C0] ? load_gs_index+0xb0/0xb0 [ 353.350274][ C0] ? get_sigframe_size+0x10/0x10 [ 353.350292][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 353.350314][ C0] exit_to_user_mode_loop+0xa7/0xe0 [ 353.350330][ C0] exit_to_user_mode_prepare+0x87/0xd0 [ 353.350346][ C0] syscall_exit_to_user_mode+0x1a/0x30 [ 353.350362][ C0] do_syscall_64+0x58/0xa0 [ 353.350379][ C0] ? clear_bhb_loop+0x50/0xa0 [ 353.350398][ C0] ? clear_bhb_loop+0x50/0xa0 [ 353.350415][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 353.350434][ C0] RIP: 0033:0x7f21f5bedec7 [ 353.350454][ 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 [ 353.350467][ C0] RSP: 002b:00007f21f5a5e0e8 EFLAGS: 00000246 [ 353.350480][ C0] RAX: 00000000000000ca RBX: 00007f21f5e44fa8 RCX: 00007f21f5bedec9 [ 353.350491][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f21f5e44fa8 [ 353.350501][ C0] RBP: 00007f21f5e44fa0 R08: 0000000000000000 R09: 0000000000000000 [ 353.350512][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 353.350522][ C0] R13: 00007f21f5e45038 R14: 00007ffe3f1348f0 R15: 00007ffe3f1349d8 [ 353.350536][ C0] [ 353.638793][ C0] sched: RT throttling activated