Warning: Permanently added '10.128.0.208' (ED25519) to the list of known hosts. 2025/02/26 19:44:30 ignoring optional flag "sandboxArg"="0" 2025/02/26 19:44:31 parsed 1 programs [ 63.306149][ T29] audit: type=1400 audit(1740599072.288:142): avc: denied { unlink } for pid=5468 comm="syz-executor" name="swap-file" dev="sda1" ino=1929 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 64.426101][ T5468] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 65.134586][ T29] audit: type=1400 audit(1740599074.108:143): avc: denied { mounton } for pid=5480 comm="syz-executor" path="/root/syzkaller.31J2AZ/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 65.175711][ T29] audit: type=1400 audit(1740599074.148:144): avc: denied { mount } for pid=5483 comm="syz-executor" name="/" dev="gadgetfs" ino=4069 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1 [ 65.199840][ T3499] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.207699][ T3499] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.223376][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.231257][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.339361][ T29] audit: type=1401 audit(1740599074.308:145): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 65.446130][ T29] audit: type=1400 audit(1740599074.398:146): avc: denied { create } for pid=5518 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 65.799389][ T5513] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.806528][ T5513] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.813575][ T5513] bridge_slave_0: entered allmulticast mode [ 65.819718][ T5513] bridge_slave_0: entered promiscuous mode [ 65.826003][ T5513] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.833040][ T5513] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.840134][ T5513] bridge_slave_1: entered allmulticast mode [ 65.846277][ T5513] bridge_slave_1: entered promiscuous mode [ 65.898286][ T5513] team0: Port device team_slave_0 added [ 65.904378][ T5513] team0: Port device team_slave_1 added [ 65.955219][ T5513] hsr_slave_0: entered promiscuous mode [ 65.961178][ T5513] hsr_slave_1: entered promiscuous mode [ 65.999170][ T29] audit: type=1400 audit(1740599074.978:147): avc: denied { getattr } for pid=5569 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf/eth0.dhcp" dev="tmpfs" ino=1520 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 66.035228][ T29] audit: type=1400 audit(1740599075.008:148): avc: denied { read } for pid=5571 comm="sed" name="eth0.dhcp" dev="tmpfs" ino=1520 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 66.057102][ T29] audit: type=1400 audit(1740599075.008:149): avc: denied { open } for pid=5571 comm="sed" path="/run/dhcpcd/hook-state/resolv.conf/eth0.dhcp" dev="tmpfs" ino=1520 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 66.086198][ T29] audit: type=1400 audit(1740599075.058:150): avc: denied { create } for pid=5568 comm="dhcpcd-run-hook" name="resolv.conf.lapb8.link" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 66.108592][ T29] audit: type=1400 audit(1740599075.058:151): avc: denied { write } for pid=5568 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf.lapb8.link" dev="tmpfs" ino=1798 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 66.306481][ T5513] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.313791][ T5513] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.321747][ T5513] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.329349][ T5513] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.437011][ T5513] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.444647][ T3499] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.451693][ T3499] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.460599][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.467643][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.479168][ T5513] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.489521][ T5513] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.697557][ T5513] veth0_vlan: entered promiscuous mode [ 66.704143][ T5513] veth1_vlan: entered promiscuous mode [ 66.713740][ T5513] veth0_macvtap: entered promiscuous mode [ 66.721157][ T5513] veth1_macvtap: entered promiscuous mode 2025/02/26 19:44:35 executed programs: 0 [ 67.316112][ T5760] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.323168][ T5760] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.330311][ T5760] bridge_slave_0: entered allmulticast mode [ 67.336447][ T5760] bridge_slave_0: entered promiscuous mode [ 67.344207][ T5750] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.351296][ T5750] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.358396][ T5750] bridge_slave_0: entered allmulticast mode [ 67.364567][ T5750] bridge_slave_0: entered promiscuous mode [ 67.382233][ T5741] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.389347][ T5741] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.396423][ T5741] bridge_slave_0: entered allmulticast mode [ 67.402464][ T5741] bridge_slave_0: entered promiscuous mode [ 67.410201][ T5741] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.417264][ T5741] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.424316][ T5741] bridge_slave_1: entered allmulticast mode [ 67.430501][ T5741] bridge_slave_1: entered promiscuous mode [ 67.436557][ T5760] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.443695][ T5760] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.450809][ T5760] bridge_slave_1: entered allmulticast mode [ 67.456993][ T5760] bridge_slave_1: entered promiscuous mode [ 67.463030][ T5750] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.470081][ T5750] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.477172][ T5750] bridge_slave_1: entered allmulticast mode [ 67.483324][ T5750] bridge_slave_1: entered promiscuous mode [ 67.514301][ T5749] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.521467][ T5749] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.528680][ T5749] bridge_slave_0: entered allmulticast mode [ 67.534820][ T5749] bridge_slave_0: entered promiscuous mode [ 67.541203][ T5749] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.548264][ T5749] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.555409][ T5749] bridge_slave_1: entered allmulticast mode [ 67.561653][ T5749] bridge_slave_1: entered promiscuous mode [ 67.621628][ T5741] team0: Port device team_slave_0 added [ 67.628170][ T5760] team0: Port device team_slave_0 added [ 67.644190][ T5760] team0: Port device team_slave_1 added [ 67.650334][ T5741] team0: Port device team_slave_1 added [ 67.669172][ T5750] team0: Port device team_slave_0 added [ 67.685785][ T5750] team0: Port device team_slave_1 added [ 67.716347][ T5749] team0: Port device team_slave_0 added [ 67.722258][ T5749] team0: Port device team_slave_1 added [ 67.735937][ T5770] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.742977][ T5770] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.750065][ T5770] bridge_slave_0: entered allmulticast mode [ 67.756151][ T5770] bridge_slave_0: entered promiscuous mode [ 67.781991][ T5770] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.789124][ T5770] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.796341][ T5770] bridge_slave_1: entered allmulticast mode [ 67.802479][ T5770] bridge_slave_1: entered promiscuous mode [ 67.827651][ T5760] hsr_slave_0: entered promiscuous mode [ 67.833343][ T5760] hsr_slave_1: entered promiscuous mode [ 67.839102][ T5760] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.846692][ T5760] Cannot create hsr debugfs directory [ 67.894244][ T5749] hsr_slave_0: entered promiscuous mode [ 67.900212][ T5749] hsr_slave_1: entered promiscuous mode [ 67.906037][ T5749] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.913558][ T5749] Cannot create hsr debugfs directory [ 67.924313][ T5741] hsr_slave_0: entered promiscuous mode [ 67.930328][ T5741] hsr_slave_1: entered promiscuous mode [ 67.936075][ T5741] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.943595][ T5741] Cannot create hsr debugfs directory [ 67.952781][ T5770] team0: Port device team_slave_0 added [ 67.977684][ T5770] team0: Port device team_slave_1 added [ 67.990098][ T5760] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.999767][ T5750] hsr_slave_0: entered promiscuous mode [ 68.005491][ T5750] hsr_slave_1: entered promiscuous mode [ 68.011218][ T5750] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.018802][ T5750] Cannot create hsr debugfs directory [ 68.029540][ T5760] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.051829][ T5760] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.073257][ T5760] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.097220][ T5760] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.104270][ T5760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.137640][ T5770] hsr_slave_0: entered promiscuous mode [ 68.143361][ T5770] hsr_slave_1: entered promiscuous mode [ 68.149263][ T5770] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.156856][ T5770] Cannot create hsr debugfs directory [ 68.274744][ T3186] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.291372][ T5760] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.301100][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.308154][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.319260][ T5760] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.329636][ T5760] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.341905][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.348963][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.372538][ T5749] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.380468][ T5741] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.388443][ T5749] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.398241][ T5741] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.406028][ T5741] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.414057][ T5741] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.422349][ T5749] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.433823][ T5749] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.578228][ T5741] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.609755][ T3186] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.616869][ T3186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.638411][ T5741] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.648841][ T5741] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.660118][ T3186] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.667163][ T3186] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.725150][ T5749] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.741684][ T3231] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.748762][ T3231] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.768380][ T5760] veth0_vlan: entered promiscuous mode [ 68.774816][ T5760] veth1_vlan: entered promiscuous mode [ 68.783043][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.790080][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.800998][ T5749] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.811401][ T5749] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.827346][ T5760] veth0_macvtap: entered promiscuous mode [ 68.834647][ T5760] veth1_macvtap: entered promiscuous mode [ 69.026284][ T934] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.034092][ T934] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.058128][ T934] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.066061][ T934] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.106181][ C0] hrtimer: interrupt took 3930066 ns [ 69.155775][ T29] kauditd_printk_skb: 2 callbacks suppressed [ 69.155787][ T29] audit: type=1400 audit(1740599078.078:154): avc: denied { create } for pid=6097 comm="syz.3.19" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=packet_socket permissive=1 [ 69.181135][ T29] audit: type=1400 audit(1740599078.078:155): avc: denied { ioctl } for pid=6097 comm="syz.3.19" path="socket:[8538]" dev="sockfs" ino=8538 ioctlcmd=0x8933 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=packet_socket permissive=1 [ 94.199642][ T5741] veth0_vlan: entered promiscuous mode [ 94.206050][ T5741] veth1_vlan: entered promiscuous mode [ 94.214331][ T5741] veth0_macvtap: entered promiscuous mode [ 94.220716][ T5741] veth1_macvtap: entered promiscuous mode [ 94.285960][ T40] cfg80211: failed to load regulatory.db [ 194.245707][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 194.252690][ C1] rcu: 0-...!: (2 ticks this GP) idle=457c/1/0x4000000000000000 softirq=13046/13046 fqs=0 [ 194.262652][ C1] rcu: (detected by 1, t=10004 jiffies, g=5669, q=3367 ncpus=2) [ 194.270353][ C1] Sending NMI from CPU 1 to CPUs 0: [ 194.270376][ C0] NMI backtrace for cpu 0 [ 194.270389][ C0] CPU: 0 UID: 0 PID: 4129 Comm: udevd Not tainted 6.14.0-rc4-syzkaller #0 [ 194.270402][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 194.270411][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x0/0x20 [ 194.270439][ C0] Code: 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 b8 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 [ 194.270450][ C0] RSP: 0018:ffffc90000003f00 EFLAGS: 00000046 [ 194.270459][ C0] RAX: 0000000000000000 RBX: ffff888237c20480 RCX: ffffc90000003eb4 [ 194.270466][ C0] RDX: ffff888118968000 RSI: 00000000c8863401 RDI: 0000000000000000 [ 194.270473][ C0] RBP: ffff888163fcdb40 R08: 0000000000080000 R09: ffff888118968ac8 [ 194.270480][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: 000000000003124c [ 194.270487][ C0] R13: 1827d9abc8863401 R14: ffff888237c20380 R15: 0000000000000001 [ 194.270497][ C0] FS: 00007fd5198bd280(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 194.270506][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 194.270514][ C0] CR2: 0000556ec59f8ca0 CR3: 0000000118832000 CR4: 00000000003526f0 [ 194.270521][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 194.270528][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 194.270535][ C0] Call Trace: [ 194.270539][ C0] [ 194.270547][ C0] ? nmi_cpu_backtrace+0x12d/0x210 [ 194.270564][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 194.270584][ C0] ? nmi_handle+0x10f/0x260 [ 194.270596][ C0] ? __pfx___sanitizer_cov_trace_const_cmp1+0x10/0x10 [ 194.270613][ C0] ? default_do_nmi+0x67/0x160 [ 194.270626][ C0] ? exc_nmi+0x152/0x190 [ 194.270638][ C0] ? end_repeat_nmi+0xf/0x53 [ 194.270655][ C0] ? __pfx___sanitizer_cov_trace_const_cmp1+0x10/0x10 [ 194.270672][ C0] ? __pfx___sanitizer_cov_trace_const_cmp1+0x10/0x10 [ 194.270689][ C0] ? __pfx___sanitizer_cov_trace_const_cmp1+0x10/0x10 [ 194.270706][ C0] [ 194.270709][ C0] [ 194.270712][ C0] __hrtimer_run_queues+0x26b/0x4f0 [ 194.270727][ C0] hrtimer_interrupt+0x131/0x2d0 [ 194.270741][ C0] __sysvec_apic_timer_interrupt+0x86/0x1a0 [ 194.270755][ C0] sysvec_apic_timer_interrupt+0x9e/0xc0 [ 194.270771][ C0] [ 194.270774][ C0] [ 194.270778][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 194.270795][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x3f/0x70 [ 194.270812][ C0] Code: aa 7e a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00 00 ff 00 74 05 c3 cc cc cc cc 8b 82 fc 14 00 00 85 c0 74 f1 8b 82 d8 14 00 00 <83> f8 02 75 e6 48 8b 8a e0 14 00 00 8b 92 dc 14 00 00 48 8b 01 48 [ 194.270822][ C0] RSP: 0018:ffffc90001c0b950 EFLAGS: 00000246 [ 194.270830][ C0] RAX: 0000000000000000 RBX: 0000000000000056 RCX: ffffffff8214a62a [ 194.270838][ C0] RDX: ffff888118968000 RSI: ffffffff8214a5f2 RDI: 0000000000000003 [ 194.270845][ C0] RBP: ffff888116785150 R08: 0000000000000003 R09: 0000000000000100 [ 194.270852][ C0] R10: 0000000000000056 R11: 0000000000000000 R12: ffffc90001c0b9c0 [ 194.270859][ C0] R13: 0000000000000000 R14: ffffffff8214cfe0 R15: 0000000000000056 [ 194.270866][ C0] ? __pfx_tomoyo_check_path_number_acl+0x10/0x10 [ 194.270884][ C0] ? tomoyo_check_acl+0x16a/0x1a0 [ 194.270897][ C0] ? tomoyo_check_acl+0x132/0x1a0 [ 194.270910][ C0] tomoyo_check_acl+0x132/0x1a0 [ 194.270924][ C0] tomoyo_path_number_perm+0x1e7/0x2d0 [ 194.270942][ C0] ? d_alloc_parallel+0x497/0x800 [ 194.270954][ C0] tomoyo_path_mknod+0xb5/0x110 [ 194.270967][ C0] security_path_mknod+0xeb/0x250 [ 194.270980][ C0] lookup_open.isra.0+0x670/0xaa0 [ 194.270998][ C0] path_openat+0x52d/0x1600 [ 194.271013][ C0] do_filp_open+0xfe/0x1f0 [ 194.271026][ C0] ? __virt_addr_valid+0x19b/0x260 [ 194.271043][ C0] do_sys_openat2+0xf8/0x150 [ 194.271061][ C0] __x64_sys_openat+0xb3/0x100 [ 194.271079][ C0] do_syscall_64+0x6d/0x1a0 [ 194.271097][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 194.271113][ C0] RIP: 0033:0x7fd5195169a4 [ 194.271124][ C0] Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83 [ 194.271135][ C0] RSP: 002b:00007fffcc705b60 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 194.271146][ C0] RAX: ffffffffffffffda RBX: 0000556e88cb7040 RCX: 00007fd5195169a4 [ 194.271153][ C0] RDX: 0000000000080141 RSI: 0000556e88c9a0d8 RDI: 00000000ffffff9c [ 194.271161][ C0] RBP: 0000556e88c9a0d8 R08: 00000000ffffffff R09: 0000000000000000 [ 194.271168][ C0] R10: 00000000000001a4 R11: 0000000000000246 R12: 0000000000080141 [ 194.271175][ C0] R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff [ 194.271183][ C0] [ 194.271371][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10003 jiffies! g5669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 194.750314][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=2171 [ 194.758091][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g5669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 194.769347][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 194.779291][ C1] rcu: RCU grace-period kthread stack dump: [ 194.785152][ C1] task:rcu_preempt state:I stack:13880 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00004000 [ 194.797135][ C1] Call Trace: [ 194.800398][ C1] [ 194.803310][ C1] __schedule+0x539/0xb80 [ 194.807626][ C1] schedule+0x25/0x110 [ 194.811677][ C1] schedule_timeout+0xb7/0x140 [ 194.816430][ C1] ? __pfx_process_timeout+0x10/0x10 [ 194.821703][ C1] rcu_gp_fqs_loop+0x13b/0x500 [ 194.826445][ C1] ? do_raw_spin_unlock+0x52/0xc0 [ 194.831453][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 194.836629][ C1] rcu_gp_kthread+0xc7/0x160 [ 194.841199][ C1] kthread+0x144/0x2b0 [ 194.845253][ C1] ? __pfx_kthread+0x10/0x10 [ 194.849827][ C1] ret_from_fork+0x45/0x60 [ 194.854220][ C1] ? __pfx_kthread+0x10/0x10 [ 194.858797][ C1] ret_from_fork_asm+0x1a/0x30 [ 194.863542][ C1]