ps_root_recvmsgcb: failed to send message to pid 1957: Connection refused ps_root_recvmsgcb: failed to send message to pid 1958: Connection refused [ 196.613426][ T1851] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 196.645131][ T1851] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 196.666568][ T1851] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 196.686573][ T1851] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 1975: Connection refused ps_root_recvmsgcb: failed to send message to pid 1988: Connection refused Warning: Permanently added '[localhost]:63461' (ECDSA) to the list of known hosts. [ 229.095649][ T2008] warn_alloc: 1 callbacks suppressed [ 229.095933][ T2008] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 229.098863][ T2008] CPU: 0 PID: 2008 Comm: dhcpcd Tainted: G W 6.0.0-rc1-syzkaller-00006-ga057092b801e #0 [ 229.099911][ T2008] Hardware name: riscv-virtio,qemu (DT) [ 229.100603][ T2008] Call Trace: [ 229.101508][ T2008] [] dump_backtrace+0x2e/0x3c [ 229.102604][ T2008] [] show_stack+0x34/0x40 [ 229.103529][ T2008] [] dump_stack_lvl+0xe4/0x150 [ 229.104501][ T2008] [] dump_stack+0x1c/0x24 [ 229.105408][ T2008] [] warn_alloc+0x170/0x212 [ 229.106434][ T2008] [] __vmalloc_node_range+0x16e/0xb4e [ 229.107483][ T2008] [] bpf_jit_alloc_exec+0x46/0x52 [ 229.108554][ T2008] [] bpf_jit_binary_alloc+0x96/0x144 [ 229.109493][ T2008] [] bpf_int_jit_compile+0x87a/0xa8c [ 229.110529][ T2008] [] bpf_prog_select_runtime+0x1a2/0x22e [ 229.112185][ T2008] [] bpf_migrate_filter+0x258/0x2be [ 229.113196][ T2008] [] bpf_prepare_filter+0x10e/0x1b4 [ 229.114360][ T2008] [] __get_filter+0x148/0x1a0 [ 229.115338][ T2008] [] sk_attach_filter+0x22/0x11a [ 229.116340][ T2008] [] sock_setsockopt+0x1d10/0x23e4 [ 229.117307][ T2008] [] __sys_setsockopt+0x414/0x472 [ 229.118222][ T2008] [] sys_setsockopt+0x3a/0x4c [ 229.119167][ T2008] [] ret_from_syscall+0x0/0x2 [ 229.126613][ T2008] Mem-Info: [ 229.130469][ T2008] active_anon:35 inactive_anon:734 isolated_anon:0 [ 229.130469][ T2008] active_file:3228 inactive_file:2286 isolated_file:0 [ 229.130469][ T2008] unevictable:768 dirty:3831 writeback:0 [ 229.130469][ T2008] slab_reclaimable:5215 slab_unreclaimable:17983 [ 229.130469][ T2008] mapped:1026 shmem:804 pagetables:104 bounce:0 [ 229.130469][ T2008] kernel_misc_reclaimable:0 [ 229.130469][ T2008] free:282434 free_pcp:968 free_cma:4096 [ 229.133730][ T2008] Node 0 active_anon:140kB inactive_anon:2936kB active_file:12912kB inactive_file:9144kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4104kB dirty:15324kB writeback:0kB shmem:3216kB writeback_tmp:0kB kernel_stack:4528kB pagetables:416kB all_unreclaimable? no [ 229.135462][ T2008] Node 0 DMA32 free:1129736kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:140kB inactive_anon:2936kB active_file:12912kB inactive_file:9144kB unevictable:3072kB writepending:15324kB present:2095104kB managed:1359068kB mlocked:0kB bounce:0kB free_pcp:3868kB local_pcp:2520kB free_cma:16384kB [ 229.137714][ T2008] lowmem_reserve[]: 0 0 0 [ 229.139200][ T2008] Node 0 DMA32: 116*4kB (UE) 45*8kB (U) 55*16kB (UE) 63*32kB (UE) 24*64kB (U) 3*128kB (UE) 1*256kB (U) 1*512kB (U) 1*1024kB (E) 4*2048kB (MEC) 272*4096kB (MC) = 1129736kB [ 229.148724][ T2008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 229.149700][ T2008] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 229.152751][ T2008] 6320 total pagecache pages ps_bpf_start_bpf: bpf_open: Unknown error 524 ps_root_recvmsg: Unknown error 524 [ 229.183350][ T2008] 0 pages in swap cache [ 229.184341][ T2008] Free swap = 0kB [ 229.185096][ T2008] Total swap = 0kB [ 229.185837][ T2008] 523776 pages RAM [ 229.186525][ T2008] 0 pages HighMem/MovableOnly [ 229.187261][ T2008] 184009 pages reserved [ 229.187969][ T2008] 4096 pages cma reserved ps_bpf_start_bpf: bpf_open: Unknown error 524 ps_root_recvmsg: Unknown error 524 ps_bpf_start_bpf: bpf_open: Unknown error 524 ps_root_recvmsg: Unknown error 524 1970/01/01 00:03:54 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff91cdd940 cnt=0x1 packed=0xffff91cdd9400001 -> node=0xffff91cdd940 fatal error: lfstack.push runtime stack: runtime.throw({0x308d84, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0xdcecb0, 0xffffff91cdd940) [ 261.281754][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u4:5:51] [ 261.284152][ C0] Modules linked in: [ 261.285339][ C0] irq event stamp: 117397 [ 261.286554][ C0] hardirqs last enabled at (117396): [] __trace_hardirqs_on+0x18/0x20 [ 261.287896][ C0] hardirqs last disabled at (117397): [] __trace_hardirqs_off+0x18/0x20 [ 261.289107][ C0] softirqs last enabled at (112472): [] wb_wakeup_delayed+0x82/0xb4 [ 261.290624][ C0] softirqs last disabled at (112631): [] __irq_exit_rcu+0x154/0x1ea [ 261.292975][ C0] CPU: 0 PID: 51 Comm: kworker/u4:5 Tainted: G W 6.0.0-rc1-syzkaller-00006-ga057092b801e #0 [ 261.294371][ C0] Hardware name: riscv-virtio,qemu (DT) [ 261.295471][ C0] Workqueue: events_unbound toggle_allocation_gate [ 261.296857][ C0] epc : __kmalloc_node_track_caller+0xae/0x35c [ 261.297983][ C0] ra : __kmalloc_node_track_caller+0x74/0x35c [ 261.299000][ C0] epc : ffffffff804ae066 ra : ffffffff804ae02c sp : ff20000000586f00 [ 261.299930][ C0] gp : ffffffff85a97360 tp : ff6000000b654a40 t0 : ffebffff01dc29d6 [ 261.301108][ C0] t1 : 00000000000f0000 t2 : 0000000000000000 s0 : ff20000000586fa0 [ 261.302795][ C0] s1 : ff60000007e01dc0 a0 : 0000000000000000 a1 : 0000000000000007 [ 261.303821][ C0] a2 : 1ffffffff09c9ce0 a3 : ffffffff80c47480 a4 : 0000000000000000 [ 261.304891][ C0] a5 : 0000000000000000 a6 : ffffffffb4d4edc0 a7 : 0000000000000100 [ 261.305803][ C0] s2 : 0000000000082a20 s3 : 0000000000082a20 s4 : 0000000000000240 [ 261.306801][ C0] s5 : ffffffffffffffff s6 : ffffffff827ac0d4 s7 : ffffffff85abd7c0 [ 261.307781][ C0] s8 : 0000000000000000 s9 : ffffffff85a9d520 s10: ff6000007fdef7a0 [ 261.308630][ C0] s11: ff6000001227cbf4 t3 : fffffffff204f202 t4 : ffebffff0165f618 [ 261.309628][ C0] t5 : ffebffff0165f619 t6 : 0000000000000002 [ 261.310507][ C0] status: 0000000000000120 badaddr: 0000000000000000 cause: 8000000000000005 [ 261.311827][ C0] [] __alloc_skb+0xe6/0x2c2 [ 261.312907][ C0] [] __napi_alloc_skb+0x72/0x20c [ 261.314019][ C0] [] page_to_skb+0x172/0x712 [ 261.315241][ C0] [] receive_buf+0xac4/0x401a [ 261.316351][ C0] [] virtnet_poll+0x3be/0xa04 [ 261.317370][ C0] [] __napi_poll+0x7a/0x34e [ 261.318421][ C0] [] net_rx_action+0x728/0x882 [ 261.319401][ C0] [] __do_softirq+0x274/0x906 [ 261.320541][ C0] [] __irq_exit_rcu+0x154/0x1ea [ 261.321927][ C0] [] irq_exit+0x10/0x7a [ 261.322970][ C0] [] generic_handle_arch_irq+0x48/0x54 [ 261.323958][ C0] [] ret_from_exception+0x0/0x10 [ 261.325073][ C0] [] copy_to_kernel_nofault+0x1f8/0x2a8 [ 261.326451][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 261.327453][ C0] CPU: 0 PID: 51 Comm: kworker/u4:5 Tainted: G W L 6.0.0-rc1-syzkaller-00006-ga057092b801e #0 [ 261.328583][ C0] Hardware name: riscv-virtio,qemu (DT) [ 261.329436][ C0] Workqueue: events_unbound toggle_allocation_gate [ 261.330740][ C0] Call Trace: [ 261.331586][ C0] [] dump_backtrace+0x2e/0x3c [ 261.332945][ C0] [] show_stack+0x34/0x40 [ 261.334117][ C0] [] dump_stack_lvl+0xe4/0x150 [ 261.335235][ C0] [] dump_stack+0x1c/0x24 [ 261.336553][ C0] [] panic+0x276/0x662 [ 261.337816][ C0] [] watchdog_timer_fn+0x4de/0x532 [ 261.338862][ C0] [] __hrtimer_run_queues+0x1e6/0xa1e [ 261.339932][ C0] [] hrtimer_run_queues+0x184/0x21e [ 261.341062][ C0] [] update_process_times+0x5e/0x11c [ 261.342986][ C0] [] tick_periodic+0xa4/0x1c8 [ 261.344040][ C0] [] tick_handle_periodic+0x3a/0xd6 [ 261.345164][ C0] [] riscv_timer_interrupt+0x5c/0x6a [ 261.346283][ C0] [] handle_percpu_devid_irq+0x17e/0x2ae [ 261.347328][ C0] [] generic_handle_domain_irq+0x50/0x66 [ 261.348488][ C0] [] riscv_intc_irq+0x7e/0xc8 [ 261.349519][ C0] [] generic_handle_arch_irq+0x36/0x54 [ 261.350578][ C0] [] ret_from_exception+0x0/0x10 [ 261.352077][ C0] [] __kmalloc_node_track_caller+0x74/0x35c [ 261.353433][ C0] SMP: stopping secondary CPUs [ 261.355772][ C0] Rebooting in 86400 seconds.. VM DIAGNOSIS: 10:06:53 Registers: info registers vcpu 0 pc ffffffff80119992 mhartid 0000000000000000 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005b70 mepc ffffffff804ae066 sepc ffffffff804ae066 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff832b5d1e x2/sp ff20000000586450 x3/gp ffffffff85a97360 x4/tp ff6000000b654a40 x5/t0 7400000000000000 x6/t1 00000000000f0000 x7/t2 746e657665207172 x8/s0 ff20000000586460 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1fec0000016ca949 x13/a3 ffffffff8015a4e6 x14/a4 0000000000010103 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000010104 x18/s2 0000000000000000 x19/s3 ffffffff84d7a100 x20/s4 0000000000000000 x21/s5 ffffffff83640808 x22/s6 ffffffffffffffff x23/s7 ffffffff8012f4e4 x24/s8 ffffffff8779fca0 x25/s9 ffffffff85abe3e0 x26/s10 ffffffff85068940 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 fffffffef0f31f40 x30/t5 fffffffef0f31f41 x31/t6 ffffffff87750a97 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 40f2000000000000 f3/ft3 41b38565fc000000 f4/ft4 3fe0000000000000 f5/ft5 40c3880000000000 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 pc ffffffff804ae066 mhartid 0000000000000001 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005b70 mepc ffffffff80010a7c sepc ffffffff804ae066 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff804ae02c x2/sp ff200000135f73e0 x3/gp ffffffff85a97360 x4/tp ff600000100d3180 x5/t0 ff60000010da79b0 x6/t1 00000000000f0000 x7/t2 0000000000000008 x8/s0 ff200000135f7480 x9/s1 ff60000007e0c000 x10/a0 0000000000000000 x11/a1 0000000000000007 x12/a2 1ffffffff0b58a4d x13/a3 ffffffff804bbf98 x14/a4 0000000000000000 x15/a5 0000000000000400 x16/a6 0000000000000003 x17/a7 0000000000000000 x18/s2 0000000000482cc0 x19/s3 0000000000482cc0 x20/s4 0000000000000280 x21/s5 ffffffffffffffff x22/s6 ffffffff827b53a2 x23/s7 ffffffff85abd7c0 x24/s8 0000000000000000 x25/s9 ffffffff85a9d520 x26/s10 0000000000000000 x27/s11 ff6000000ee9b462 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80120346 x30/t5 1fe40000026bee24 x31/t6 0000000000040000 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 ffffffff447a0000 f15/fa5 404feb43a0000000 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