syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2779: Connection refused [ 205.975908][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2789: Connection refused [ 206.043819][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2802: Connection refused ps_root_recvmsgcb: failed to send message to pid 2801: Connection refused [ 238.270021][ T2832] warn_alloc: 5 callbacks suppressed [ 238.270328][ T2832] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 238.273639][ T2832] CPU: 1 PID: 2832 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 238.274763][ T2832] Hardware name: riscv-virtio,qemu (DT) [ 238.275572][ T2832] Call Trace: [ 238.276337][ T2832] [] dump_backtrace+0x2e/0x3c [ 238.278029][ T2832] [] show_stack+0x34/0x40 [ 238.279129][ T2832] [] dump_stack_lvl+0xe0/0x14c [ 238.280255][ T2832] [] dump_stack+0x1c/0x24 [ 238.281361][ T2832] [] warn_alloc+0x168/0x22c [ 238.282402][ T2832] [] __vmalloc_node_range+0xb6c/0xdb4 [ 238.283554][ T2832] [] bpf_jit_alloc_exec+0x46/0x52 [ 238.284621][ T2832] [] bpf_jit_binary_alloc+0x96/0x13c [ 238.285699][ T2832] [] bpf_int_jit_compile+0x886/0xaa6 [ 238.286760][ T2832] [] bpf_prog_select_runtime+0x1a2/0x22e [ 238.288448][ T2832] [] bpf_migrate_filter+0x258/0x2be [ 238.289587][ T2832] [] bpf_prepare_filter+0x10e/0x1b4 [ 238.290741][ T2832] [] __get_filter+0x148/0x1a0 [ 238.291852][ T2832] [] sk_attach_filter+0x22/0x11a [ 238.292968][ T2832] [] sk_setsockopt+0x144e/0x270c [ 238.294074][ T2832] [] sock_setsockopt+0x48/0x58 [ 238.295166][ T2832] [] __sys_setsockopt+0x3f0/0x418 [ 238.296221][ T2832] [] sys_setsockopt+0x3a/0x4c [ 238.297561][ T2832] [] ret_from_syscall+0x0/0x2 [ 238.391468][ T2832] Mem-Info: [ 238.392417][ T2832] active_anon:33 inactive_anon:784 isolated_anon:0 [ 238.392417][ T2832] active_file:1684 inactive_file:5253 isolated_file:0 [ 238.392417][ T2832] unevictable:768 dirty:663 writeback:3505 [ 238.392417][ T2832] slab_reclaimable:5293 slab_unreclaimable:18448 [ 238.392417][ T2832] mapped:1065 shmem:803 pagetables:112 [ 238.392417][ T2832] sec_pagetables:0 bounce:0 [ 238.392417][ T2832] kernel_misc_reclaimable:0 [ 238.392417][ T2832] free:279543 free_pcp:656 free_cma:4096 [ 238.395305][ T2832] Node 0 active_anon:132kB inactive_anon:3136kB active_file:6736kB inactive_file:21012kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4260kB dirty:2652kB writeback:14020kB shmem:3212kB writeback_tmp:0kB kernel_stack:4544kB pagetables:448kB sec_pagetables:0kB all_unreclaimable? no ps_bpf_start_bpf: bpf_open: Unknown error 524 [ 238.417760][ T2832] Node 0 DMA32 free:1118172kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:132kB inactive_anon:3136kB active_file:6736kB inactive_file:21012kB unevictable:3072kB writepending:16592kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:2620kB local_pcp:1076kB free_cma:16384kB [ 238.420406][ T2832] lowmem_reserve[]: 0 0 0 [ 238.422082][ T2832] Node 0 DMA32: 63*4kB (UME) 42*8kB (UME) 71*16kB (UME) 77*32kB (UM) 6*64kB (U) 6*128kB (ME) 1*256kB (M) 1*512kB (E) 2*1024kB (UM) 4*2048kB (MEC) 269*4096kB (MC) = 1118172kB [ 238.449859][ T2832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 238.451009][ T2832] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 238.452129][ T2832] 7740 total pagecache pages [ 238.452983][ T2832] 0 pages in swap cache [ 238.453904][ T2832] Free swap = 0kB [ 238.454797][ T2832] Total swap = 0kB [ 238.455604][ T2832] 523776 pages RAM [ 238.456370][ T2832] 0 pages HighMem/MovableOnly [ 238.507807][ T2832] 184025 pages reserved [ 238.508880][ T2832] 4096 pages cma reserved ps_bpf_start_bpf: bpf_open: Unknown error 524 ps_root_recvmsg: Unknown error 524 ps_root_recvmsg: Unknown error 524 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 Warning: Permanently added '[localhost]:63956' (ECDSA) to the list of known hosts. 1970/01/01 00:04:16 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff80afd120 cnt=0x1 packed=0xffff80afd1200001 -> node=0xffff80afd120 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe6c, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab0b8, 0xffffff80afd120) /usr/local/go/src/runtime/lfstack.go:30 +0x1a8 runtime.(*spanSetBlockAlloc).free(...) /usr/local/go/src/runtime/mspanset.go:292 runtime.(*spanSet).reset(0x14a4300) /usr/local/go/src/runtime/mspanset.go:265 +0xe4 runtime.finishsweep_m() /usr/local/go/src/runtime/mgcsweep.go:145 +0xb4 runtime.gcStart.func1() /usr/local/go/src/runtime/mgc.go:660 +0x24 runtime.systemstack() /usr/local/go/src/runtime/asm_riscv64.s:131 +0x58 goroutine 1 [running]: runtime.systemstack_switch() /usr/local/go/src/runtime/asm_riscv64.s:94 +0x8 fp=0xc00063f5c0 sp=0xc00063f5b8 pc=0x80368 runtime.gcStart({0x0, 0x0, 0x0}) /usr/local/go/src/runtime/mgc.go:659 +0x544 fp=0xc00063f638 sp=0xc00063f5c0 pc=0x2bcb4 runtime.mallocgc(0x37f60, 0x64d960, 0x1) /usr/local/go/src/runtime/malloc.go:1174 +0x7d0 fp=0xc00063f6b8 sp=0xc00063f638 pc=0x1d070 runtime.newarray(0x64d960, 0x44e) /usr/local/go/src/runtime/malloc.go:1250 +0x94 fp=0xc00063f6e0 sp=0xc00063f6b8 pc=0x1d2dc runtime.makeBucketArray(0x5f1460, 0xa, 0x0) /usr/local/go/src/runtime/map.go:362 +0x204 fp=0xc00063f710 sp=0xc00063f6e0 pc=0x1e3ec runtime.hashGrow(0x5f1460, 0xc000524120) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc00063f758 sp=0xc00063f710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc000524120, {0x7572b5, 0x27}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc00063f7c0 sp=0xc00063f758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc00038da40) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:159 +0x384 fp=0xc00063f890 sp=0xc00063f7c0 pc=0x180914 github.com/google/syzkaller/prog.(*Target).lazyInit(0xc00038da40) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:130 +0x80 fp=0xc00063f908 sp=0xc00063f890 pc=0x180298 github.com/google/syzkaller/prog.(*Target).lazyInit-fm() /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:127 +0x34 fp=0xc00063f918 sp=0xc00063f908 pc=0x188cdc sync.(*Once).doSlow(0xc00038db48, 0xc00063f9f8) /usr/local/go/src/sync/once.go:68 +0xcc fp=0xc00063f960 sp=0xc00063f918 pc=0x99814 sync.(*Once).Do(...) /usr/local/go/src/sync/once.go:59 github.com/google/syzkaller/prog.GetTarget({0x6b39ee, 0x5}, {0xffffffd6943e92, 0x7}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:108 +0x17c fp=0xc00063fa88 sp=0xc00063f960 pc=0x17ff74 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:164 +0x3c0 fp=0xc00063ff88 sp=0xc00063fa88 pc=0x55ad78 runtime.main() /usr/local/go/src/runtime/proc.go:255 +0x268 fp=0xc00063ffd8 sp=0xc00063ff88 pc=0x4f770 runtime.goexit() /usr/local/go/src/runtime/asm_riscv64.s:507 +0x4 fp=0xc00063ffd8 sp=0xc00063ffd8 pc=0x82314 goroutine 18 [select]: go.opencensus.io/stats/view.(*worker).start(0xc0000f3080) /syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:276 +0xb0 created by go.opencensus.io/stats/view.init.0 /syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x80 VM DIAGNOSIS: 21:56:10 Registers: info registers vcpu 0 pc ffffffff8022cc78 mhartid 0000000000000000 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d84 sepc ffffffff80006298 mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff83431170 x2/sp ffffffff85006cf0 x3/gp ffffffff85efcae0 x4/tp ffffffff85044380 x5/t0 ffebffff01c5a336 x6/t1 00000000000f0000 x7/t2 0000000001517de6 x8/s0 ffffffff85006dc0 x9/s1 ff600000135a9880 x10/a0 0000000000000004 x11/a1 0000000000000007 x12/a2 1ffffffff0a08871 x13/a3 ffffffff8016239c x14/a4 ffffffff85044380 x15/a5 ffffffff85044388 x16/a6 0000000000000100 x17/a7 0000000000000104 x18/s2 ff6000000e2d1280 x19/s3 ffffffff83a2bfe0 x20/s4 ff60000014286864 x21/s5 ffffffff85044380 x22/s6 ffffffff85f24460 x23/s7 0000000000000074 x24/s8 ffffffff85effba0 x25/s9 ffffffff85f24460 x26/s10 1ffffffff0a00d9c x27/s11 ffffffff85006d40 x28/t3 fffffffff3f3f300 x29/t4 fffffffef0fc9bcc x30/t5 fffffffef0fc9bcd x31/t6 ff6000000e2d12d8 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 414fffffe0000000 f3/ft3 43e0000000000000 f4/ft4 3ffe000000000000 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 pc ffffffff801624a2 mhartid 0000000000000001 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80006294 sepc ffffffff80006298 mcause 8000000000000003 scause 8000000000000001 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8011f912 x2/sp ff20000000337a10 x3/gp ffffffff85efcae0 x4/tp ff600000084e3100 x5/t0 0000000000046000 x6/t1 00000000000f0000 x7/t2 ffffffffffffffff x8/s0 ff20000000337af0 x9/s1 ff600000084e3100 x10/a0 ffffffff83cce940 x11/a1 00000000000f0000 x12/a2 1fec00000109c621 x13/a3 ffffffff801624f2 x14/a4 ff600000084e3100 x15/a5 0000000000010003 x16/a6 0000000000000000 x17/a7 0000000000010003 x18/s2 ff20000000337a80 x19/s3 ff600000084e3100 x20/s4 ff6000005a9f5758 x21/s5 0000000000000120 x22/s6 ffffffff87c06060 x23/s7 0000000000000001 x24/s8 ffffffffffffffb8 x25/s9 ffffffff85f23740 x26/s10 1fe4000000066f68 x27/s11 0000000000000001 x28/t3 fffffffff3f3f300 x29/t4 ffebffff0b53eae8 x30/t5 ffebffff0b53eae9 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 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