Warning: Permanently added '[localhost]:37203' (ED25519) to the list of known hosts. 1970/01/01 00:10:47 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:10:54 parsed 1 programs syzkaller login: [ 657.046524][ T2959] cgroup: Unknown subsys name 'net' [ 657.502814][ T2959] cgroup: Unknown subsys name 'rlimit' [ 750.344350][ T2959] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 750.400593][ T2958] syz-execprog[2958]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set 1970/01/01 00:12:29 executed programs: 0 [ 763.893947][ T2971] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 763.965200][ T2971] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 765.237615][ T2970] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 765.305360][ T2970] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 770.815225][ T2971] hsr_slave_0: entered promiscuous mode [ 770.846186][ T2971] hsr_slave_1: entered promiscuous mode [ 772.027995][ T2970] hsr_slave_0: entered promiscuous mode [ 772.047619][ T2970] hsr_slave_1: entered promiscuous mode [ 772.075607][ T2970] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 772.080143][ T2970] Cannot create hsr debugfs directory [ 776.242264][ T2971] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 776.340029][ T2971] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 776.413033][ T2971] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 776.652682][ T2971] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 777.390498][ T2970] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 777.510245][ T2970] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 777.584838][ T2970] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 777.643131][ T2970] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 782.301108][ T2971] 8021q: adding VLAN 0 to HW filter on device bond0 [ 783.037986][ T2970] 8021q: adding VLAN 0 to HW filter on device bond0 [ 800.986521][ T2971] veth0_vlan: entered promiscuous mode [ 801.185662][ T2971] veth1_vlan: entered promiscuous mode [ 801.614448][ T2970] veth0_vlan: entered promiscuous mode [ 801.837503][ T2970] veth1_vlan: entered promiscuous mode [ 802.157396][ T2971] veth0_macvtap: entered promiscuous mode [ 802.285819][ T2971] veth1_macvtap: entered promiscuous mode [ 802.785641][ T2970] veth0_macvtap: entered promiscuous mode [ 802.963233][ T2970] veth1_macvtap: entered promiscuous mode [ 803.103551][ T2971] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 803.105898][ T2971] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 803.107445][ T2971] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 803.110046][ T2971] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 804.213915][ T2970] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 804.215361][ T2970] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 804.216594][ T2970] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 804.217710][ T2970] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:13:24 executed programs: 2 1970/01/01 00:13:30 executed programs: 16 1970/01/01 00:13:35 executed programs: 33 1970/01/01 00:13:40 executed programs: 48 1970/01/01 00:13:45 executed programs: 65 1970/01/01 00:13:50 executed programs: 83 1970/01/01 00:13:55 executed programs: 99 1970/01/01 00:14:01 executed programs: 115 1970/01/01 00:14:06 executed programs: 131 1970/01/01 00:14:12 executed programs: 148 1970/01/01 00:14:17 executed programs: 166 1970/01/01 00:14:22 executed programs: 182 1970/01/01 00:14:28 executed programs: 200 1970/01/01 00:14:33 executed programs: 217 1970/01/01 00:14:38 executed programs: 231 1970/01/01 00:14:44 executed programs: 242 1970/01/01 00:14:49 executed programs: 260 1970/01/01 00:14:54 executed programs: 277 1970/01/01 00:14:59 executed programs: 293 1970/01/01 00:15:04 executed programs: 309 1970/01/01 00:15:09 executed programs: 326 1970/01/01 00:15:15 executed programs: 344 1970/01/01 00:15:20 executed programs: 362 1970/01/01 00:15:25 executed programs: 378 1970/01/01 00:15:30 executed programs: 396 1970/01/01 00:15:35 executed programs: 415 1970/01/01 00:15:41 executed programs: 434 1970/01/01 00:15:46 executed programs: 453 1970/01/01 00:15:51 executed programs: 472 1970/01/01 00:15:56 executed programs: 488 1970/01/01 00:16:02 executed programs: 506 1970/01/01 00:16:07 executed programs: 525 1970/01/01 00:16:12 executed programs: 542 1970/01/01 00:16:17 executed programs: 560 1970/01/01 00:16:23 executed programs: 576 1970/01/01 00:16:28 executed programs: 594 1970/01/01 00:16:33 executed programs: 612 1970/01/01 00:16:38 executed programs: 631 1970/01/01 00:16:43 executed programs: 648 1970/01/01 00:16:49 executed programs: 665 1970/01/01 00:16:54 executed programs: 684 1970/01/01 00:16:59 executed programs: 700 1970/01/01 00:17:04 executed programs: 719 1970/01/01 00:17:09 executed programs: 736 1970/01/01 00:17:14 executed programs: 753 1970/01/01 00:17:19 executed programs: 771 1970/01/01 00:17:25 executed programs: 788 1970/01/01 00:17:30 executed programs: 803 1970/01/01 00:17:35 executed programs: 820 1970/01/01 00:17:40 executed programs: 838 1970/01/01 00:17:45 executed programs: 855 1970/01/01 00:17:50 executed programs: 872 1970/01/01 00:17:55 executed programs: 890 1970/01/01 00:18:01 executed programs: 907 1970/01/01 00:18:06 executed programs: 925 1970/01/01 00:18:12 executed programs: 943 1970/01/01 00:18:17 executed programs: 960 1970/01/01 00:18:22 executed programs: 978 1970/01/01 00:18:27 executed programs: 995 1970/01/01 00:18:33 executed programs: 1014 1970/01/01 00:18:38 executed programs: 1033 1970/01/01 00:18:43 executed programs: 1050 1970/01/01 00:18:48 executed programs: 1067 1970/01/01 00:18:54 executed programs: 1085 1970/01/01 00:18:59 executed programs: 1100 1970/01/01 00:19:04 executed programs: 1118 1970/01/01 00:19:09 executed programs: 1135 1970/01/01 00:19:14 executed programs: 1154 1970/01/01 00:19:19 executed programs: 1170 1970/01/01 00:19:24 executed programs: 1190 1970/01/01 00:19:30 executed programs: 1206 1970/01/01 00:19:35 executed programs: 1224 1970/01/01 00:19:40 executed programs: 1240 1970/01/01 00:19:45 executed programs: 1259 1970/01/01 00:19:51 executed programs: 1278 1970/01/01 00:19:56 executed programs: 1297 1970/01/01 00:20:01 executed programs: 1315 1970/01/01 00:20:06 executed programs: 1333 1970/01/01 00:20:11 executed programs: 1350 1970/01/01 00:20:17 executed programs: 1369 1970/01/01 00:20:22 executed programs: 1388 1970/01/01 00:20:27 executed programs: 1406 1970/01/01 00:20:32 executed programs: 1422 1970/01/01 00:20:37 executed programs: 1440 1970/01/01 00:20:42 executed programs: 1458 1970/01/01 00:20:47 executed programs: 1473 1970/01/01 00:20:53 executed programs: 1490 1970/01/01 00:20:58 executed programs: 1508 1970/01/01 00:21:03 executed programs: 1525 [ 1569.648747][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 1569.651080][ C0] rcu: (detected by 0, t=30502 jiffies, g=90901, q=11 ncpus=2) [ 1569.653056][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 30502 (4295094188-4295063686), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 1569.656119][ C0] rcu: rcu_preempt kthread starved for 30502 jiffies! g90901 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 1569.657949][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 1569.660696][ C0] rcu: RCU grace-period kthread stack dump: [ 1569.661968][ C0] task:rcu_preempt state:R running task stack:0 pid:17 ppid:2 flags:0x00000000 [ 1569.664491][ C0] Call Trace: [ 1569.665522][ C0] [] __schedule+0x794/0x1884 [ 1569.667256][ C0] [] schedule+0x78/0xfe [ 1569.669817][ C0] [] schedule_timeout+0x14c/0x230 [ 1569.671438][ C0] [] rcu_gp_fqs_loop+0x46a/0x6c4 [ 1569.672845][ C0] [] rcu_gp_kthread+0x1a0/0x1d8 [ 1569.674263][ C0] [] kthread+0x1bc/0x22c [ 1569.675590][ C0] [] ret_from_fork+0xa/0x1c [ 1569.677053][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 1569.678186][ C0] CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.6.0-rc1-syzkaller-00011-g3fec323339a4 #0 [ 1569.679647][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1569.680836][ C0] Workqueue: events nsim_dev_trap_report_work [ 1569.682452][ C0] epc : __kmem_cache_alloc_node+0x9c/0x2e0 [ 1569.683877][ C0] ra : __kmem_cache_alloc_node+0x62/0x2e0 [ 1569.685342][ C0] epc : ffffffff80576924 ra : ffffffff805768ea sp : ff200000000034d0 [ 1569.686843][ C0] gp : ffffffff861e0e60 tp : ff6000000b253300 t0 : ff20000000003660 [ 1569.688387][ C0] t1 : 00000000000f0000 t2 : ffffffff83c05570 s0 : ff20000000003560 [ 1569.689853][ C0] s1 : ff60000008401280 a0 : 0000000000000000 a1 : 0000000000000007 [ 1569.691324][ C0] a2 : 1ffffffff0a8d2d4 a3 : ffffffff80dcbfea a4 : 0000000000000000 [ 1569.692671][ C0] a5 : 0000000000000000 a6 : 0000000000000100 a7 : 0000000000000000 [ 1569.694029][ C0] s2 : 0000000000002920 s3 : 0000000000000000 s4 : 0000000000000020 [ 1569.695480][ C0] s5 : 0000000000002920 s6 : ffffffff861e78a0 s7 : ffffffffffffffff [ 1569.696891][ C0] s8 : ffffffff80dda7ce s9 : ff60000020e80570 s10: 0000000000010000 [ 1569.698382][ C0] s11: ff60000020e80000 t3 : ffffffff80157b52 t4 : ffebffff041d00ae [ 1569.699878][ C0] t5 : ffebffff041d00af t6 : ff600000208dc888 [ 1569.701129][ C0] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000005 [ 1569.702692][ C0] [] __kmem_cache_alloc_node+0x9c/0x2e0 [ 1569.704394][ C0] [] kmalloc_trace+0x24/0x56 [ 1569.705930][ C0] [] ref_tracker_alloc+0x14e/0x420 [ 1569.707495][ C0] [] dst_init+0xc2/0x2a8 [ 1569.709655][ C0] [] dst_alloc+0x9a/0x10c [ 1569.711031][ C0] [] icmp6_dst_alloc+0x5a/0x2e0 [ 1569.712591][ C0] [] ndisc_send_skb+0xfa4/0x134c [ 1569.714038][ C0] [] ndisc_send_rs+0xa8/0x36a [ 1569.715606][ C0] [] addrconf_rs_timer+0x30c/0x5ba [ 1569.717154][ C0] [] call_timer_fn+0x15a/0x4f2 [ 1569.719211][ C0] [] __run_timers+0x57e/0x73c [ 1569.720690][ C0] [] run_timer_softirq+0x46/0x80 [ 1569.722149][ C0] [] __do_softirq+0x2ee/0x8a2 [ 1569.723659][ C0] [] __irq_exit_rcu+0xfa/0x1b0 [ 1569.725192][ C0] [] irq_exit_rcu+0x10/0x72 [ 1569.726844][ C0] [] handle_riscv_irq+0x40/0x4c [ 1569.728396][ C0] [] do_irq+0x5c/0x88 VM DIAGNOSIS: 14:19:04 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8365cffe mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000020a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000408 stvec ffffffff80005b54 vstvec 0000000000000000 mepc ffffffff80011ae0 sepc ffffffff80576924 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080036000 sscratch 0000000000000000 satp a013e0000009494e x0/zero 0000000000000000 x1/ra ffffffff8026cffa x2/sp ff20000000002780 x3/gp ffffffff861e0e60 x4/tp ff6000000b253300 x5/t0 642809203a756372 x6/t1 00000000000f0000 x7/t2 65642809203a7563 x8/s0 ff20000000002910 x9/s1 ff20000000002b58 x10/a0 0000000000000000 x11/a1 0000000000000003 x12/a2 ffffffff8365cff2 x13/a3 0000000000000100 x14/a4 ff6000000b253300 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000010000 x18/s2 ff20000000002b28 x19/s3 ff20000000002844 x20/s4 fffffffffffffff8 x21/s5 ff20000000002b59 x22/s6 0000000000000004 x23/s7 0000000000000003 x24/s8 ffffffffffffffff x25/s9 0000000000000030 x26/s10 0000000000000000 x27/s11 0000000000000000 x28/t3 1fe4000000000594 x29/t4 ffe3ffff00000504 x30/t5 ffe3ffff00000505 x31/t6 ff20000000002b28 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff80576924 mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000408 stvec ffffffff80005b54 vstvec 0000000000000000 mepc ffffffff8057327e sepc ffffffff80576924 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080034000 sscratch 0000000000000000 satp a013d00000094d75 x0/zero 0000000000000000 x1/ra ffffffff805768ea x2/sp ff2000000000b4d0 x3/gp ffffffff861e0e60 x4/tp ff6000000be4cc80 x5/t0 ff2000000000b660 x6/t1 00000000000f0000 x7/t2 00000000000121c1 x8/s0 ff2000000000b560 x9/s1 ff60000008401280 x10/a0 0000000000000000 x11/a1 0000000000000007 x12/a2 1ffffffff0a8d2d4 x13/a3 ffffffff80dcbfea x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000000000 x18/s2 0000000000002920 x19/s3 0000000000000000 x20/s4 0000000000000020 x21/s5 0000000000002920 x22/s6 ffffffff861e78a0 x23/s7 ffffffffffffffff x24/s8 ffffffff80dda7ce x25/s9 ff60000015e56570 x26/s10 0000000000010000 x27/s11 ff60000015e56000 x28/t3 ffffffff80157b52 x29/t4 ffebffff02bcacae x30/t5 ffebffff02bcacaf x31/t6 ff6000002131fcc8 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000