Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 2025/09/14 21:38:44 parsed 1 programs [ 63.501954][ T24] kauditd_printk_skb: 29 callbacks suppressed [ 63.501960][ T24] audit: type=1400 audit(1757885924.929:89): avc: denied { unlink } for pid=456 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 63.543042][ T456] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 63.858096][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.865051][ T479] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.888005][ T479] device bridge_slave_0 entered promiscuous mode [ 63.910734][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.918039][ T479] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.926384][ T479] device bridge_slave_1 entered promiscuous mode [ 63.935894][ T24] audit: type=1401 audit(1757885925.359:90): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 63.942860][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.955416][ T479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.963172][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.970005][ T479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.980200][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.987494][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.994480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.001931][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.010323][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.018788][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.025664][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.033400][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.041439][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.048684][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.057171][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.065447][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.074270][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.083005][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.091287][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.099160][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.107606][ T479] device veth0_vlan entered promiscuous mode [ 64.115370][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.125896][ T479] device veth1_macvtap entered promiscuous mode [ 64.132756][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.141925][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/09/14 21:38:45 executed programs: 0 [ 64.297831][ T507] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.305249][ T507] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.312433][ T507] device bridge_slave_0 entered promiscuous mode [ 64.323222][ T507] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.330739][ T507] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.338265][ T507] device bridge_slave_1 entered promiscuous mode [ 64.348590][ T510] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.356231][ T510] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.364189][ T510] device bridge_slave_0 entered promiscuous mode [ 64.371260][ T510] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.378237][ T510] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.385541][ T510] device bridge_slave_1 entered promiscuous mode [ 64.393569][ T514] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.401047][ T514] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.408158][ T514] device bridge_slave_0 entered promiscuous mode [ 64.414286][ T508] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.421271][ T508] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.428376][ T508] device bridge_slave_0 entered promiscuous mode [ 64.438227][ T514] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.445240][ T514] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.452413][ T514] device bridge_slave_1 entered promiscuous mode [ 64.464347][ T508] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.471648][ T508] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.478843][ T508] device bridge_slave_1 entered promiscuous mode [ 64.489867][ T507] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.496968][ T507] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.504528][ T507] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.511472][ T507] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.528662][ T512] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.535600][ T512] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.542676][ T512] device bridge_slave_0 entered promiscuous mode [ 64.549334][ T512] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.556145][ T512] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.563418][ T512] device bridge_slave_1 entered promiscuous mode [ 64.571533][ T508] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.578769][ T508] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.586499][ T508] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.593609][ T508] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.603758][ T510] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.612182][ T510] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.619797][ T510] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.626807][ T510] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.637248][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.644458][ T48] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.651427][ T48] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.658487][ T48] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.665568][ T48] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.673071][ T48] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.680360][ T48] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.693302][ T510] device veth0_vlan entered promiscuous mode [ 64.703671][ T507] device veth0_vlan entered promiscuous mode [ 64.710270][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.718088][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.727136][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.735457][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.743749][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.751440][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.758577][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.767452][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.775355][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.783009][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.790206][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.798633][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.805735][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.813128][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.821605][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.828739][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.836067][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.843802][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.851612][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.859519][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.866228][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.873650][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.881581][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.888460][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.895652][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.903253][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.910887][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.919097][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.926063][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.933251][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.941146][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.948127][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.955296][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.963047][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.970870][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.985302][ T508] device veth0_vlan entered promiscuous mode [ 64.992707][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.000264][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.007586][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.015831][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.024483][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.031717][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.039747][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.048003][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.056046][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.063051][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.070615][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.078671][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.087096][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.095240][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.103195][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.110625][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.118074][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.126106][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.134446][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.141182][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.148439][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.156534][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.164441][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.171338][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.178940][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.187015][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.194988][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.202720][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.210830][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.218452][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.225960][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.233450][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.240968][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.248330][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.255486][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.263841][ T507] device veth1_macvtap entered promiscuous mode [ 65.271816][ T514] device veth0_vlan entered promiscuous mode [ 65.278500][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.286874][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.295270][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.303983][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.311900][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.320909][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.329608][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.337563][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.345292][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.352599][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.360658][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.369066][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.378860][ T512] device veth0_vlan entered promiscuous mode [ 65.386020][ T510] device veth1_macvtap entered promiscuous mode [ 65.392887][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.400440][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.407958][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.416198][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.423727][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.432092][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.440807][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.449209][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.458057][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.466696][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.475448][ T508] device veth1_macvtap entered promiscuous mode [ 65.483962][ T514] device veth1_macvtap entered promiscuous mode [ 65.492014][ T24] audit: type=1400 audit(1757885926.919:91): avc: denied { create } for pid=530 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 65.497216][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.511699][ T24] audit: type=1400 audit(1757885926.939:92): avc: denied { setopt } for pid=530 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 65.519189][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.538597][ T24] audit: type=1400 audit(1757885926.969:93): avc: denied { write } for pid=530 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 65.546492][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.565589][ T24] audit: type=1400 audit(1757885926.969:94): avc: denied { read } for pid=530 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 65.573619][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.600200][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.608626][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.616770][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.625196][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.634436][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.645187][ T512] device veth1_macvtap entered promiscuous mode [ 65.651677][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.659575][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.667883][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.676124][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.687936][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.695960][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.704060][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.712280][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.726259][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.734166][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.743984][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.752230][ T373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.027105][ T379] device bridge_slave_1 left promiscuous mode [ 66.033512][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.040637][ T379] device bridge_slave_0 left promiscuous mode [ 66.046760][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.054201][ T379] device veth1_macvtap left promiscuous mode [ 66.060160][ T379] device veth0_vlan left promiscuous mode 2025/09/14 21:38:51 executed programs: 35 2025/09/14 21:38:56 executed programs: 65 2025/09/14 21:39:01 executed programs: 95 2025/09/14 21:39:06 executed programs: 125 2025/09/14 21:39:11 executed programs: 155 2025/09/14 21:39:16 executed programs: 185 2025/09/14 21:39:21 executed programs: 215 2025/09/14 21:39:26 executed programs: 245 [ 205.026599][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 205.033306][ C0] rcu: 0-...!: (1 GPs behind) idle=55a/1/0x4000000000000000 softirq=4582/4583 fqs=0 last_accelerate: b3b8/dac8 dyntick_enabled: 1 [ 205.047049][ C0] (t=10003 jiffies g=4297 q=95) [ 205.051907][ C0] rcu: rcu_preempt kthread starved for 10003 jiffies! g4297 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 205.062988][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 205.072932][ C0] rcu: RCU grace-period kthread stack dump: [ 205.079084][ C0] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 205.088749][ C0] Call Trace: [ 205.091888][ C0] __schedule+0x246/0x730 [ 205.096152][ C0] schedule+0x49/0xe0 [ 205.099949][ C0] schedule_timeout+0x85/0x150 [ 205.104546][ C0] ? __next_timer_interrupt+0x120/0x120 [ 205.110013][ C0] rcu_gp_kthread+0x5f3/0xd20 [ 205.114514][ C0] ? rcu_idle_exit+0x20/0x20 [ 205.118939][ C0] kthread+0x14c/0x170 [ 205.123011][ C0] ? kthread_park+0x80/0x80 [ 205.127440][ C0] ret_from_fork+0x1f/0x30 [ 205.131651][ C0] NMI backtrace for cpu 0 [ 205.135987][ C0] CPU: 0 PID: 1318 Comm: syz.3.255 Not tainted syzkaller #0 [ 205.143297][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 205.153578][ C0] Call Trace: [ 205.156701][ C0] [ 205.159705][ C0] dump_stack_lvl+0x5d/0x75 [ 205.164030][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 205.169323][ C0] dump_stack+0x10/0x12 [ 205.173326][ C0] nmi_cpu_backtrace.cold+0x30/0x65 [ 205.178459][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 205.183557][ C0] nmi_trigger_cpumask_backtrace+0xce/0xe0 [ 205.189493][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 205.195317][ C0] rcu_dump_cpu_stacks+0xa6/0xd0 [ 205.200190][ C0] rcu_sched_clock_irq.cold+0x34/0x300 [ 205.205668][ C0] ? debug_smp_processor_id+0x17/0x20 [ 205.210991][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 205.216619][ C0] ? __raise_softirq_irqoff+0x1a/0x80 [ 205.221897][ C0] update_process_times+0x58/0x90 [ 205.226885][ C0] tick_sched_handle+0x24/0x60 [ 205.231615][ C0] tick_sched_timer+0x72/0x90 [ 205.236589][ C0] ? tick_sched_do_timer+0xe0/0xe0 [ 205.241696][ C0] __hrtimer_run_queues+0x117/0x290 [ 205.246732][ C0] hrtimer_interrupt+0x104/0x2a0 [ 205.251587][ C0] ? __do_softirq+0x1e3/0x2f5 [ 205.256101][ C0] __sysvec_apic_timer_interrupt+0x73/0x160 [ 205.262017][ C0] asm_call_irq_on_stack+0xf/0x20 [ 205.267040][ C0] [ 205.269816][ C0] sysvec_apic_timer_interrupt+0xb2/0xf0 [ 205.275371][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 205.281471][ C0] RIP: 0010:rht_key_get_hash.isra.0+0x4/0x20 [ 205.287454][ C0] Code: d5 fe ff ff 4c 89 f7 e8 ca 44 d2 ff 48 85 c0 74 0a 8b 4d d0 eb a9 e8 ab 7c 0c 00 b8 f4 ff ff ff e9 c7 fe ff ff 90 55 48 89 f8 <44> 89 c2 48 89 f7 48 89 e5 8b 70 08 ff 50 20 5d c3 66 66 2e 0f 1f [ 205.307330][ C0] RSP: 0018:ffffc90002623678 EFLAGS: 00000246 [ 205.313945][ C0] RAX: ffff8881197bb0c8 RBX: ffff8881197ba000 RCX: 0000000000000000 [ 205.322142][ C0] RDX: 0000000000000004 RSI: ffffc900026236ac RDI: ffff8881197bb0c8 [ 205.330049][ C0] RBP: ffffc900026236d8 R08: 000000006e63dd75 R09: 0000000000000001 [ 205.338178][ C0] R10: ffff88810d2ec000 R11: ffff888109dc8400 R12: ffff88810f360000 [ 205.346276][ C0] R13: ffff888119793000 R14: ffff88811735a880 R15: ffffc900026237e0 [ 205.354622][ C0] ? rht_key_get_hash.isra.0+0x13/0x20 [ 205.360084][ C0] ? tipc_sk_lookup+0x62/0x170 [ 205.364950][ C0] tipc_sk_rcv+0xab/0x740 [ 205.369200][ C0] ? skb_release_data+0x133/0x1a0 [ 205.374059][ C0] tipc_node_xmit+0x7d/0x5c0 [ 205.378482][ C0] tipc_node_distr_xmit+0xe9/0x120 [ 205.383622][ C0] tipc_sk_rcv+0x2a0/0x740 [ 205.387957][ C0] tipc_node_xmit+0x7d/0x5c0 [ 205.392554][ C0] tipc_sk_push_backlog+0x8f/0x150 [ 205.397763][ C0] tipc_sk_filter_rcv+0xc81/0xe00 [ 205.402618][ C0] tipc_sk_rcv+0x3bc/0x740 [ 205.406870][ C0] ? kfree_skbmem+0x62/0x80 [ 205.411209][ C0] tipc_node_xmit+0x7d/0x5c0 [ 205.415739][ C0] ? tipc_sk_filter_rcv+0x440/0xe00 [ 205.420772][ C0] tipc_node_distr_xmit+0xe9/0x120 [ 205.425877][ C0] tipc_sk_backlog_rcv+0x5d/0x80 [ 205.430826][ C0] __release_sock+0x5f/0xa0 [ 205.435161][ C0] release_sock+0x2b/0x90 [ 205.439330][ C0] tipc_wait_for_rcvmsg.isra.0+0xeb/0x1c0 [ 205.445235][ C0] ? preempt_schedule_irq+0x60/0x60 [ 205.450268][ C0] tipc_recvstream+0xb3/0x340 [ 205.454783][ C0] ____sys_recvmsg+0x161/0x180 [ 205.459379][ C0] ? _copy_from_user+0x59/0x80 [ 205.463978][ C0] ? iovec_from_user+0x5c/0x170 [ 205.468943][ C0] ? __import_iovec+0x2c/0x120 [ 205.473525][ C0] ___sys_recvmsg+0x8f/0x120 [ 205.478570][ C0] ? ___handle_speculative_fault+0x6a2/0x720 [ 205.484933][ C0] ? __fget_light.part.0+0x87/0xd0 [ 205.489897][ C0] __sys_recvmsg+0x5a/0xb0 [ 205.494308][ C0] ? exc_page_fault+0x27f/0x590 [ 205.499141][ C0] __x64_sys_recvmsg+0x1a/0x20 [ 205.503883][ C0] do_syscall_64+0x32/0x50 [ 205.508193][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 205.514095][ C0] RIP: 0033:0x7f57a79d6169 [ 205.518341][ C0] Code: 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 01 48 [ 205.538337][ C0] RSP: 002b:00007f57a7426038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 205.546768][ C0] RAX: ffffffffffffffda RBX: 00007f57a7bfe080 RCX: 00007f57a79d6169 [ 205.554562][ C0] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000003 [ 205.562451][ C0] RBP: 00007f57a7a58a68 R08: 0000000000000000 R09: 0000000000000000 [ 205.570744][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 205.578972][ C0] R13: 0000000000000001 R14: 00007f57a7bfe080 R15: 00007fff8cfadc18 [ 242.471092][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.3.255:1317] [ 242.480159][ C1] Modules linked in: [ 242.484434][ C1] CPU: 1 PID: 1317 Comm: syz.3.255 Not tainted syzkaller #0 [ 242.491821][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 242.502286][ C1] RIP: 0010:kvm_wait+0x3e/0x40 [ 242.507001][ C1] Code: 40 38 d6 74 03 50 9d c3 f6 c4 02 75 0f 0f 1f 44 00 00 0f 00 2d a1 6a 35 01 f4 eb e9 0f 1f 44 00 00 0f 00 2d 92 6a 35 01 fb f4 d9 55 48 89 e5 53 48 c7 c3 48 b0 01 00 e8 2f d5 e5 00 89 c0 48 [ 242.528075][ C1] RSP: 0018:ffffc9000256fbe8 EFLAGS: 00000242 [ 242.534068][ C1] RAX: 0000000000000246 RBX: ffff888237d4b480 RCX: 0000000000000008 [ 242.543752][ C1] RDX: 0000000000000003 RSI: 0000000000000003 RDI: ffff88811735a908 [ 242.552448][ C1] RBP: ffffc9000256fc28 R08: ffff88823fff0640 R09: 0000000000000000 [ 242.560472][ C1] R10: 0000000000000001 R11: ffff888237d4b480 R12: ffff88811735a908 [ 242.568829][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000100 [ 242.577860][ C1] FS: 00007f57a74476c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 242.586972][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.594769][ C1] CR2: 00007f57a7426d58 CR3: 0000000117465000 CR4: 00000000003506a0 [ 242.602718][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.610786][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.618589][ C1] Call Trace: [ 242.622195][ C1] ? __pv_queued_spin_lock_slowpath+0x29f/0x2e0 [ 242.629091][ C1] _raw_spin_lock_bh+0x39/0x40 [ 242.634949][ C1] lock_sock_nested+0x19/0x60 [ 242.639678][ C1] tipc_sendstream+0x23/0x50 [ 242.644276][ C1] __sock_sendmsg+0x35/0x40 [ 242.648617][ C1] ____sys_sendmsg+0x23e/0x260 [ 242.653375][ C1] ? import_iovec+0x1b/0x20 [ 242.658220][ C1] ? sendmsg_copy_msghdr+0x79/0xa0 [ 242.663902][ C1] ___sys_sendmsg+0x74/0xc0 [ 242.668502][ C1] ? do_futex+0x101/0xb70 [ 242.672774][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 242.678411][ C1] ? __local_bh_enable_ip+0x24/0x60 [ 242.683555][ C1] ? __fget_light.part.0+0x87/0xd0 [ 242.688779][ C1] __sys_sendmsg+0x5d/0xb0 [ 242.693087][ C1] __x64_sys_sendmsg+0x1a/0x20 [ 242.697763][ C1] do_syscall_64+0x32/0x50 [ 242.702126][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 242.708213][ C1] RIP: 0033:0x7f57a79d6169 [ 242.712556][ C1] Code: 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 01 48 [ 242.732412][ C1] RSP: 002b:00007f57a7447038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 242.741202][ C1] RAX: ffffffffffffffda RBX: 00007f57a7bfdfa0 RCX: 00007f57a79d6169 [ 242.749291][ C1] RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000004 [ 242.758234][ C1] RBP: 00007f57a7a58a68 R08: 0000000000000000 R09: 0000000000000000 [ 242.766586][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 242.774663][ C1] R13: 0000000000000000 R14: 00007f57a7bfdfa0 R15: 00007fff8cfadc18 [ 242.782664][ C1] Sending NMI from CPU 1 to CPUs 0: [ 242.787794][ C0] NMI backtrace for cpu 0 [ 242.787795][ C0] CPU: 0 PID: 1318 Comm: syz.3.255 Not tainted syzkaller #0 [ 242.787796][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 242.787796][ C0] RIP: 0010:tipc_node_distr_xmit+0x8/0x120 [ 242.787797][ C0] Code: 48 2b 04 25 28 00 00 00 75 04 c9 31 c0 c3 e8 9f bd 0c 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 41 55 41 54 <53> 48 83 ec 20 65 48 8b 04 25 28 00 00 00 48 89 45 e0 48 8b 06 48 [ 242.787798][ C0] RSP: 0018:ffffc900026236c8 EFLAGS: 00000246 [ 242.787799][ C0] RAX: 0000000000000000 RBX: 000000009bb6e150 RCX: 000000000000009b [ 242.787800][ C0] RDX: 0000000000000202 RSI: ffffc90002623718 RDI: ffff88810f360000 [ 242.787800][ C0] RBP: ffffc900026236d8 R08: ffffc900026236ac R09: 0000000000000001 [ 242.787801][ C0] R10: ffff88810d2ec000 R11: ffff888109dc8400 R12: ffffc900026237f4 [ 242.787802][ C0] R13: ffff88810f360000 R14: ffff88811735a880 R15: ffffc900026237e0 [ 242.787802][ C0] FS: 00007f57a74266c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 242.787803][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.787803][ C0] CR2: 00007f57a7425f98 CR3: 0000000117465000 CR4: 00000000003506b0 [ 242.787804][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.787805][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.787805][ C0] Call Trace: [ 242.787806][ C0] tipc_sk_rcv+0x2a0/0x740 [ 242.787806][ C0] ? skb_release_data+0x133/0x1a0 [ 242.787807][ C0] tipc_node_xmit+0x7d/0x5c0 [ 242.787807][ C0] tipc_node_distr_xmit+0xe9/0x120 [ 242.787808][ C0] tipc_sk_rcv+0x2a0/0x740 [ 242.787808][ C0] tipc_node_xmit+0x7d/0x5c0 [ 242.787809][ C0] tipc_sk_push_backlog+0x8f/0x150 [ 242.787809][ C0] tipc_sk_filter_rcv+0xc81/0xe00 [ 242.787810][ C0] tipc_sk_rcv+0x3bc/0x740 [ 242.787810][ C0] ? kfree_skbmem+0x62/0x80 [ 242.787811][ C0] tipc_node_xmit+0x7d/0x5c0 [ 242.787811][ C0] ? tipc_sk_filter_rcv+0x440/0xe00 [ 242.787812][ C0] tipc_node_distr_xmit+0xe9/0x120 [ 242.787812][ C0] tipc_sk_backlog_rcv+0x5d/0x80 [ 242.787813][ C0] __release_sock+0x5f/0xa0 [ 242.787813][ C0] release_sock+0x2b/0x90 [ 242.787814][ C0] tipc_wait_for_rcvmsg.isra.0+0xeb/0x1c0 [ 242.787814][ C0] ? preempt_schedule_irq+0x60/0x60 [ 242.787815][ C0] tipc_recvstream+0xb3/0x340 [ 242.787815][ C0] ____sys_recvmsg+0x161/0x180 [ 242.787816][ C0] ? _copy_from_user+0x59/0x80 [ 242.787816][ C0] ? iovec_from_user+0x5c/0x170 [ 242.787817][ C0] ? __import_iovec+0x2c/0x120 [ 242.787817][ C0] ___sys_recvmsg+0x8f/0x120 [ 242.787818][ C0] ? ___handle_speculative_fault+0x6a2/0x720 [ 242.787819][ C0] ? __fget_light.part.0+0x87/0xd0 [ 242.787819][ C0] __sys_recvmsg+0x5a/0xb0 [ 242.787820][ C0] ? exc_page_fault+0x27f/0x590 [ 242.787820][ C0] __x64_sys_recvmsg+0x1a/0x20 [ 242.787821][ C0] do_syscall_64+0x32/0x50 [ 242.787821][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 242.787822][ C0] RIP: 0033:0x7f57a79d6169 [ 242.787823][ C0] Code: 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 01 48 [ 242.787823][ C0] RSP: 002b:00007f57a7426038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 242.787825][ C0] RAX: ffffffffffffffda RBX: 00007f57a7bfe080 RCX: 00007f57a79d6169 [ 242.787825][ C0] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000003 [ 242.787826][ C0] RBP: 00007f57a7a58a68 R08: 0000000000000000 R09: 0000000000000000 [ 242.787827][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 242.787827][ C0] R13: 0000000000000001 R14: 00007f57a7bfe080 R15: 00007fff8cfadc18