syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2792: Connection refused [ 213.328313][ T2677] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2793: Connection refused[ 213.353886][ T2677] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2791: Connection refused ps_root_recvmsgcb: failed to send message to pid 2806: Connection refused Warning: Permanently added '[localhost]:46326' (ECDSA) to the list of known hosts. [ 244.527753][ T2833] warn_alloc: 5 callbacks suppressed [ 244.527976][ T2833] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 244.547190][ T2833] CPU: 0 PID: 2833 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 244.548409][ T2833] Hardware name: riscv-virtio,qemu (DT) [ 244.549167][ T2833] Call Trace: [ 244.550181][ T2833] [] dump_backtrace+0x2e/0x3c [ 244.551315][ T2833] [] show_stack+0x34/0x40 [ 244.552324][ T2833] [] dump_stack_lvl+0xe0/0x14c [ 244.553419][ T2833] [] dump_stack+0x1c/0x24 [ 244.554467][ T2833] [] warn_alloc+0x168/0x22c [ 244.555455][ T2833] [] __vmalloc_node_range+0xb6c/0xdb4 [ 244.556573][ T2833] [] bpf_jit_alloc_exec+0x46/0x52 [ 244.557602][ T2833] [] bpf_jit_binary_alloc+0x96/0x13c [ 244.558624][ T2833] [] bpf_int_jit_compile+0x886/0xaa6 [ 244.559709][ T2833] [] bpf_prog_select_runtime+0x1a2/0x22e [ 244.560817][ T2833] [] bpf_migrate_filter+0x258/0x2be [ 244.561916][ T2833] [] bpf_prepare_filter+0x10e/0x1b4 [ 244.563018][ T2833] [] __get_filter+0x148/0x1a0 [ 244.564106][ T2833] [] sk_attach_filter+0x22/0x11a [ 244.565177][ T2833] [] sk_setsockopt+0x144e/0x270c [ 244.566240][ T2833] [] sock_setsockopt+0x48/0x58 [ 244.567302][ T2833] [] __sys_setsockopt+0x3f0/0x418 [ 244.568306][ T2833] [] sys_setsockopt+0x3a/0x4c [ 244.569278][ T2833] [] ret_from_syscall+0x0/0x2 [ 244.581147][ T2833] Mem-Info: [ 244.582022][ T2833] active_anon:33 inactive_anon:685 isolated_anon:0 [ 244.582022][ T2833] active_file:1680 inactive_file:5615 isolated_file:0 [ 244.582022][ T2833] unevictable:768 dirty:5602 writeback:0 [ 244.582022][ T2833] slab_reclaimable:5319 slab_unreclaimable:18380 [ 244.582022][ T2833] mapped:1053 shmem:803 pagetables:94 [ 244.582022][ T2833] sec_pagetables:0 bounce:0 [ 244.582022][ T2833] kernel_misc_reclaimable:0 [ 244.582022][ T2833] free:278891 free_pcp:964 free_cma:4096 [ 244.584732][ T2833] Node 0 active_anon:132kB inactive_anon:2740kB active_file:6720kB inactive_file:22460kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4212kB dirty:22408kB writeback:0kB shmem:3212kB writeback_tmp:0kB kernel_stack:4632kB pagetables:376kB sec_pagetables:0kB all_unreclaimable? no [ 244.586710][ T2833] Node 0 DMA32 free:1115564kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:132kB inactive_anon:2740kB active_file:6720kB inactive_file:22460kB unevictable:3072kB writepending:22408kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:3856kB local_pcp:1872kB free_cma:16384kB [ 244.589182][ T2833] lowmem_reserve[]: 0 0 0 [ 244.621036][ T2833] Node 0 DMA32: 15*4kB (UME) 38*8kB (UME) 70*16kB (UM) 57*32kB (UE) 11*64kB (UE) 4*128kB (UE) 0*256kB 2*512kB (UE) 2*1024kB (UM) 5*2048kB (UMEC) 268*4096kB (MC) = 1115564kB [ 244.627586][ T2833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.628649][ T2833] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 244.653855][ T2833] 8098 total pagecache pages [ 244.654721][ T2833] 0 pages in swap cache [ 244.655490][ T2833] Free swap = 0kB [ 244.656239][ T2833] Total swap = 0kB [ 244.656989][ T2833] 523776 pages RAM [ 244.657729][ T2833] 0 pages HighMem/MovableOnly [ 244.658500][ T2833] 184025 pages reserved [ 244.659249][ T2833] 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 00:04:17 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff843f7b80 cnt=0x1 packed=0xffff843f7b800001 -> node=0xffff843f7b80 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe6c, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab0b8, 0xffffff843f7b80) /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=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, 0xc000075590) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc0005bf758 sp=0xc0005bf710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc000075590, {0x7572b5, 0x27}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc0005bf7c0 sp=0xc0005bf758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc0004501c0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:159 +0x384 fp=0xc0005bf890 sp=0xc0005bf7c0 pc=0x180914 github.com/google/syzkaller/prog.(*Target).lazyInit(0xc0004501c0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:130 +0x80 fp=0xc0005bf908 sp=0xc0005bf890 pc=0x180298 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=0x188cdc sync.(*Once).doSlow(0xc0004502c8, 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}, {0xfffffff6403e92, 0x7}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:108 +0x17c fp=0xc0005bfa88 sp=0xc0005bf960 pc=0x17ff74 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:164 +0x3c0 fp=0xc0005bff88 sp=0xc0005bfa88 pc=0x55b080 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: 13:03:30 Registers: info registers vcpu 0 pc ffffffff8022d0ce mhartid 0000000000000000 mstatus 00000000000001a2 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 ffffffff80128798 x2/sp ffffffff85006d90 x3/gp ffffffff85efcae0 x4/tp ffffffff85044380 x5/t0 ffebffff0203661e x6/t1 a6d60be548275c00 x7/t2 ffffffffffffffff x8/s0 ffffffff85006d90 x9/s1 0000000000004000 x10/a0 0000000000000005 x11/a1 0000000000000003 x12/a2 0000000000000001 x13/a3 0000000000000100 x14/a4 0000000000000000 x15/a5 0000000000000001 x16/a6 0000000000000100 x17/a7 0000000000000103 x18/s2 ffffffff85006ec0 x19/s3 0000000000000001 x20/s4 ffffffff85f24460 x21/s5 ffffffff83843848 x22/s6 ffffffff83601412 x23/s7 0000000000007fff x24/s8 ffffffff85f23740 x25/s9 1ffffffff0a00dc8 x26/s10 ffffffffffff8000 x27/s11 ffffffff80006004 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80124428 x30/t5 1ffffffff0a00d98 x31/t6 ff600000138828f4 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 ffffffff80010d84 sepc 00ffffff918f8a20 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8000628c x2/sp ff20000000337e70 x3/gp ffffffff85efcae0 x4/tp ff600000084e3100 x5/t0 ff20000005487530 x6/t1 00000000000f0000 x7/t2 ffffffffffffffff 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 ffffffff83a284a0 x28/t3 fffffffff3f3f300 x29/t4 ffebffff0b53e294 x30/t5 ffebffff0b53e295 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