syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2779: Connection refused [ 204.067807][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2781: Connection refused [ 204.100472][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2780: Connection refused ps_root_recvmsgcb: failed to send message to pid 2799: Connection refused Warning: Permanently added '[localhost]:39407' (ECDSA) to the list of known hosts. [ 235.281435][ T2829] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 235.315306][ T2829] CPU: 1 PID: 2829 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 235.316622][ T2829] Hardware name: riscv-virtio,qemu (DT) [ 235.317502][ T2829] Call Trace: [ 235.318264][ T2829] [] dump_backtrace+0x2e/0x3c [ 235.319442][ T2829] [] show_stack+0x34/0x40 [ 235.320486][ T2829] [] dump_stack_lvl+0xe0/0x14c [ 235.321613][ T2829] [] dump_stack+0x1c/0x24 [ 235.322725][ T2829] [] warn_alloc+0x168/0x22c [ 235.324017][ T2829] [] __vmalloc_node_range+0xb6c/0xdb4 [ 235.325275][ T2829] [] bpf_jit_alloc_exec+0x46/0x52 [ 235.326402][ T2829] [] bpf_jit_binary_alloc+0x96/0x13c [ 235.327553][ T2829] [] bpf_int_jit_compile+0x886/0xaa6 [ 235.328697][ T2829] [] bpf_prog_select_runtime+0x1a2/0x22e [ 235.329883][ T2829] [] bpf_migrate_filter+0x258/0x2be [ 235.331100][ T2829] [] bpf_prepare_filter+0x10e/0x1b4 [ 235.332290][ T2829] [] __get_filter+0x148/0x1a0 [ 235.333539][ T2829] [] sk_attach_filter+0x22/0x11a [ 235.334709][ T2829] [] sk_setsockopt+0x144e/0x270c [ 235.335889][ T2829] [] sock_setsockopt+0x48/0x58 [ 235.337075][ T2829] [] __sys_setsockopt+0x3f0/0x418 [ 235.338198][ T2829] [] sys_setsockopt+0x3a/0x4c [ 235.339325][ T2829] [] ret_from_syscall+0x0/0x2 [ 235.376982][ T2829] Mem-Info: [ 235.377899][ T2829] active_anon:706 inactive_anon:41 isolated_anon:0 [ 235.377899][ T2829] active_file:0 inactive_file:7293 isolated_file:0 [ 235.377899][ T2829] unevictable:768 dirty:1386 writeback:3823 [ 235.377899][ T2829] slab_reclaimable:5316 slab_unreclaimable:18230 [ 235.377899][ T2829] mapped:1045 shmem:804 pagetables:101 [ 235.377899][ T2829] sec_pagetables:0 bounce:0 [ 235.377899][ T2829] kernel_misc_reclaimable:0 [ 235.377899][ T2829] free:279185 free_pcp:877 free_cma:4096 [ 235.381015][ T2829] Node 0 active_anon:2824kB inactive_anon:164kB active_file:0kB inactive_file:29172kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4180kB dirty:5460kB writeback:15292kB shmem:3216kB writeback_tmp:0kB kernel_stack:4504kB pagetables:404kB sec_pagetables:0kB all_unreclaimable? no [ 235.383009][ T2829] Node 0 DMA32 free:1116740kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:2824kB inactive_anon:164kB active_file:0kB inactive_file:29172kB unevictable:3072kB writepending:20836kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:3508kB local_pcp:2584kB free_cma:16384kB [ 235.397147][ T2829] lowmem_reserve[]: 0 0 0 [ 235.398811][ T2829] Node 0 DMA32: 1*4kB (E) 2*8kB (ME) 29*16kB (UME) 83*32kB (UM) 12*64kB (UME) 4*128kB (UME) 1*256kB (U) 2*512kB (UE) 1*1024kB (M) 4*2048kB (MEC) 269*4096kB (MC) = 1116740kB [ 235.421992][ T2829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 235.423076][ T2829] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 235.435663][ T2829] 8097 total pagecache pages [ 235.436549][ T2829] 0 pages in swap cache [ 235.437308][ T2829] Free swap = 0kB [ 235.438054][ T2829] Total swap = 0kB [ 235.438815][ T2829] 523776 pages RAM [ 235.439559][ T2829] 0 pages HighMem/MovableOnly [ 235.440325][ T2829] 184025 pages reserved [ 235.441080][ 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 00:04:01 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff792d5940 cnt=0x1 packed=0xffff792d59400001 -> node=0xffff792d5940 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe80, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab418, 0xffffff792d5940) /usr/local/go/src/runtime/lfstack.go:30 +0x1a8 runtime.(*spanSetBlockAlloc).free(...) /usr/local/go/src/runtime/mspanset.go:292 runtime.(*spanSet).reset(0x14a4660) /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=0xc0005bf5c0 sp=0xc0005bf5b8 pc=0x80368 runtime.gcStart({0x0, 0x0, 0x0}) /usr/local/go/src/runtime/mgc.go:659 +0x544 fp=0xc0005bf638 sp=0xc0005bf5c0 pc=0x2bcb4 runtime.mallocgc(0x37f60, 0x64d960, 0x1) /usr/local/go/src/runtime/malloc.go:1174 +0x7d0 fp=0xc0005bf6b8 sp=0xc0005bf638 pc=0x1d070 runtime.newarray(0x64d960, 0x44e) /usr/local/go/src/runtime/malloc.go:1250 +0x94 fp=0xc0005bf6e0 sp=0xc0005bf6b8 pc=0x1d2dc runtime.makeBucketArray(0x5f1460, 0xa, 0x0) /usr/local/go/src/runtime/map.go:362 +0x204 fp=0xc0005bf710 sp=0xc0005bf6e0 pc=0x1e3ec runtime.hashGrow(0x5f1460, 0xc00054c360) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc0005bf758 sp=0xc0005bf710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc00054c360, {0x7572fd, 0x27}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc0005bf7c0 sp=0xc0005bf758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc0004aa000) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:159 +0x384 fp=0xc0005bf890 sp=0xc0005bf7c0 pc=0x180d6c github.com/google/syzkaller/prog.(*Target).lazyInit(0xc0004aa000) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:130 +0x80 fp=0xc0005bf908 sp=0xc0005bf890 pc=0x1806f0 github.com/google/syzkaller/prog.(*Target).lazyInit-fm() /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:127 +0x34 fp=0xc0005bf918 sp=0xc0005bf908 pc=0x189204 sync.(*Once).doSlow(0xc0004aa108, 0xc0005bf9f8) /usr/local/go/src/sync/once.go:68 +0xcc fp=0xc0005bf960 sp=0xc0005bf918 pc=0x99814 sync.(*Once).Do(...) /usr/local/go/src/sync/once.go:59 github.com/google/syzkaller/prog.GetTarget({0x6b39ee, 0x5}, {0xfffffffe838e92, 0x7}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:108 +0x17c fp=0xc0005bfa88 sp=0xc0005bf960 pc=0x1803cc main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:164 +0x3c0 fp=0xc0005bff88 sp=0xc0005bfa88 pc=0x55b5a8 runtime.main() /usr/local/go/src/runtime/proc.go:255 +0x268 fp=0xc0005bffd8 sp=0xc0005bff88 pc=0x4f770 runtime.goexit() /usr/local/go/src/runtime/asm_riscv64.s:507 +0x4 fp=0xc0005bffd8 sp=0xc0005bffd8 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: 09:49:11 Registers: info registers vcpu 0 pc ffffffff82d38d4c mhartid 0000000000000000 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff83454114 mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff828c3fc4 x2/sp ff20000005327540 x3/gp ffffffff85efe540 x4/tp ff6000000ef5b100 x5/t0 ff60000011bf4020 x6/t1 00000000000f0000 x7/t2 0000000000000000 x8/s0 ff20000005327540 x9/s1 ff1c0000023f7200 x10/a0 ff1c0000023f7234 x11/a1 0000000000000007 x12/a2 ffffffff828c5b32 x13/a3 ffffffff828c5b3e x14/a4 ff6000000ef5c100 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000000 x18/s2 0000000000000002 x19/s3 ff600000127d8800 x20/s4 ffffffff85f26460 x21/s5 ffffffff83444d2a x22/s6 ff600000127d8ac0 x23/s7 0000000000000002 x24/s8 ff60000010740a7e x25/s9 ffffffffffffffff x26/s10 ff600000127d8ac2 x27/s11 0000000000000002 x28/t3 fffffffff3f3f300 x29/t4 ffe37fff0047ee46 x30/t5 ffe37fff0047ee47 x31/t6 ff600000127d917c 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 pc ffffffff80006294 mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff80006298 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8000628c x2/sp ff20000000337e70 x3/gp ffffffff85efe540 x4/tp ff600000084b3100 x5/t0 ff20000005347500 x6/t1 00000000000f0000 x7/t2 ffffffff804e0c6a x8/s0 ff20000000337e80 x9/s1 ff600000084b3100 x10/a0 0000000000000001 x11/a1 00000000000f0000 x12/a2 ffffffff8000628c x13/a3 0000000000000002 x14/a4 ff600000084b4100 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000001 x18/s2 ffffffff85f01600 x19/s3 0000000000000001 x20/s4 ffffffff85f27460 x21/s5 0000000000000001 x22/s6 0000000000000000 x23/s7 0000000000000000 x24/s8 ff20000000337f40 x25/s9 ffffffff83852a80 x26/s10 ffffffff85f25740 x27/s11 ffffffff83a284a0 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 4000000000000000 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