syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2789: Connection refused ps_root_recvmsgcb: failed to send message to pid 2788: Connection refused [ 212.616456][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 212.641960][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2787: Connection refused ps_root_recvmsgcb: failed to send message to pid 2799: Connection refused Warning: Permanently added '[localhost]:20501' (ECDSA) to the list of known hosts. [ 243.937289][ T2829] warn_alloc: 5 callbacks suppressed [ 243.937518][ T2829] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 243.940602][ T2829] CPU: 0 PID: 2829 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller-00002-g3c349eacc559 #0 [ 243.941739][ T2829] Hardware name: riscv-virtio,qemu (DT) [ 243.942593][ T2829] Call Trace: [ 243.943507][ T2829] [] dump_backtrace+0x2e/0x3c [ 243.944596][ T2829] [] show_stack+0x34/0x40 [ 243.945600][ T2829] [] dump_stack_lvl+0xe0/0x14c [ 243.946687][ T2829] [] dump_stack+0x1c/0x24 [ 243.947771][ T2829] [] warn_alloc+0x168/0x22c [ 243.948764][ T2829] [] __vmalloc_node_range+0xb6c/0xdb4 [ 243.949848][ T2829] [] bpf_jit_alloc_exec+0x46/0x52 [ 243.950893][ T2829] [] bpf_jit_binary_alloc+0x96/0x13c [ 243.951924][ T2829] [] bpf_int_jit_compile+0x886/0xaa6 [ 243.953392][ T2829] [] bpf_prog_select_runtime+0x1a2/0x22e [ 243.954526][ T2829] [] bpf_migrate_filter+0x258/0x2be [ 243.955623][ T2829] [] bpf_prepare_filter+0x10e/0x1b4 [ 243.956708][ T2829] [] __get_filter+0x148/0x1a0 [ 243.957760][ T2829] [] sk_attach_filter+0x22/0x11a [ 243.958858][ T2829] [] sk_setsockopt+0x144e/0x270c [ 243.959904][ T2829] [] sock_setsockopt+0x48/0x58 [ 243.960952][ T2829] [] __sys_setsockopt+0x3f0/0x418 [ 243.961940][ T2829] [] sys_setsockopt+0x3a/0x4c [ 243.963045][ T2829] [] ret_from_syscall+0x0/0x2 [ 243.975029][ T2829] Mem-Info: [ 243.975870][ T2829] active_anon:33 inactive_anon:720 isolated_anon:0 [ 243.975870][ T2829] active_file:2536 inactive_file:4759 isolated_file:0 [ 243.975870][ T2829] unevictable:768 dirty:5608 writeback:0 [ 243.975870][ T2829] slab_reclaimable:5336 slab_unreclaimable:18284 [ 243.975870][ T2829] mapped:1031 shmem:803 pagetables:101 [ 243.975870][ T2829] sec_pagetables:0 bounce:0 [ 243.975870][ T2829] kernel_misc_reclaimable:0 [ 243.975870][ T2829] free:279793 free_pcp:332 free_cma:4096 [ 243.978497][ T2829] Node 0 active_anon:132kB inactive_anon:2880kB active_file:10144kB inactive_file:19036kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4124kB dirty:22432kB writeback:0kB shmem:3212kB writeback_tmp:0kB kernel_stack:4504kB pagetables:404kB sec_pagetables:0kB all_unreclaimable? no [ 243.980633][ T2829] Node 0 DMA32 free:1119172kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:132kB inactive_anon:2880kB active_file:10144kB inactive_file:19036kB unevictable:3072kB writepending:22432kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:1328kB local_pcp:612kB free_cma:16384kB [ 243.985108][ T2829] lowmem_reserve[]: 0 0 0 [ 243.986705][ T2829] Node 0 DMA32: 145*4kB (UME) 32*8kB (UE) 74*16kB (UME) 85*32kB (UME) 17*64kB (UME) 8*128kB (UME) 1*256kB (E) 0*512kB 2*1024kB (UM) 4*2048kB (MEC) 269*4096kB (MC) = 1119172kB [ 243.995611][ T2829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.996704][ T2829] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 243.999607][ T2829] 8098 total pagecache pages [ 244.000602][ T2829] 0 pages in swap cache [ 244.001377][ T2829] Free swap = 0kB [ 244.002136][ T2829] Total swap = 0kB [ 244.003951][ T2829] 523776 pages RAM [ 244.004725][ T2829] 0 pages HighMem/MovableOnly [ 244.005521][ T2829] 184025 pages reserved [ 244.006312][ T2829] 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 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 00:04:15 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff87802940 cnt=0x1 packed=0xffff878029400001 -> node=0xffff87802940 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe6c, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab0b8, 0xffffff87802940) /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, 0xc000079ec0) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc00063f758 sp=0xc00063f710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc000079ec0, {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}, {0xffffffc40aae92, 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(0xc0000f5080) /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: 14:17:30 Registers: info registers vcpu 0 pc ffffffff80006294 mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d84 sepc ffffffff80006298 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8000628c x2/sp ff20000000337e70 x3/gp ffffffff85efcae0 x4/tp ff600000084e3100 x5/t0 ff20000004f57500 x6/t1 00000000000f0000 x7/t2 ffffffff804cd2fe x8/s0 ff20000000337e80 x9/s1 ff600000084e3100 x10/a0 0000000000000001 x11/a1 00000000000f0000 x12/a2 ffffffff8000628c x13/a3 0000000000000002 x14/a4 ff600000084e4100 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000001 x18/s2 ffffffff85effba0 x19/s3 0000000000000001 x20/s4 ffffffff85f25460 x21/s5 0000000000000001 x22/s6 0000000000000000 x23/s7 0000000000000000 x24/s8 ff20000000337f40 x25/s9 ffffffff83852a80 x26/s10 ffffffff85f23740 x27/s11 ffffffff83a284e0 x28/t3 fffffffff3f3f300 x29/t4 ffebffff0b53e294 x30/t5 ffebffff0b53e295 x31/t6 0000000000000002 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 43e0000000000000 f3/ft3 43e0000000000000 f4/ft4 3ff799999999999a f5/ft5 4035c1404eadf384 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 ffffffff8011dc86 mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff82d52e5c sepc ffffffff82d52e5c mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8342fb90 x2/sp ff20000004f15bb0 x3/gp ffffffff85efcae0 x4/tp ff60000012251880 x5/t0 0000000000046000 x6/t1 00000000000f0000 x7/t2 0000000000000000 x8/s0 ff20000004f15bc0 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1fec00000244a311 x13/a3 ffffffff801624f2 x14/a4 0000000000010104 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000010105 x18/s2 0000000000000000 x19/s3 ffffffff8517ba20 x20/s4 0000000000000000 x21/s5 ffffffff83843848 x22/s6 ffffffffffffffff x23/s7 ffffffff800d710a x24/s8 ffffffff87c06060 x25/s9 ff60000012251880 x26/s10 ffffffff85f24460 x27/s11 ff6000005a9ca6c0 x28/t3 0000000000004d35 x29/t4 00000000ffffef08 x30/t5 1fe40000009e2b70 x31/t6 ff6000000f25dcb4 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