syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2780: Connection refused[ 227.208905][ T2674] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 227.244628][ T2674] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2781: Connection refused ps_root_recvmsgcb: failed to send message to pid 2782: Connection refused ps_root_recvmsgcb: failed to send message to pid 2800: Connection refused [ 258.864762][ T2824] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 258.867427][ T2824] CPU: 0 PID: 2824 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 258.868477][ T2824] Hardware name: riscv-virtio,qemu (DT) [ 258.869250][ T2824] Call Trace: [ 258.869966][ T2824] [] dump_backtrace+0x2e/0x3c [ 258.871065][ T2824] [] show_stack+0x34/0x40 [ 258.872085][ T2824] [] dump_stack_lvl+0xe0/0x14c [ 258.873530][ T2824] [] dump_stack+0x1c/0x24 [ 258.874592][ T2824] [] warn_alloc+0x168/0x22c [ 258.875585][ T2824] [] __vmalloc_node_range+0xb6c/0xdb4 [ 258.876689][ T2824] [] bpf_jit_alloc_exec+0x46/0x52 [ 258.877888][ T2824] [] bpf_jit_binary_alloc+0x96/0x13c [ 258.878947][ T2824] [] bpf_int_jit_compile+0x886/0xaa6 [ 258.879970][ T2824] [] bpf_prog_select_runtime+0x1a2/0x22e [ 258.881017][ T2824] [] bpf_migrate_filter+0x258/0x2be [ 258.882150][ T2824] [] bpf_prepare_filter+0x10e/0x1b4 [ 258.883772][ T2824] [] __get_filter+0x148/0x1a0 [ 258.884860][ T2824] [] sk_attach_filter+0x22/0x11a [ 258.885861][ T2824] [] sk_setsockopt+0x144e/0x270c [ 258.886936][ T2824] [] sock_setsockopt+0x48/0x58 [ 258.888318][ T2824] [] __sys_setsockopt+0x3f0/0x418 [ 258.889368][ T2824] [] sys_setsockopt+0x3a/0x4c [ 258.890374][ T2824] [] ret_from_syscall+0x0/0x2 [ 258.914285][ T2824] Mem-Info: [ 258.915302][ T2824] active_anon:1457 inactive_anon:41 isolated_anon:0 [ 258.915302][ T2824] active_file:0 inactive_file:4139 isolated_file:0 [ 258.915302][ T2824] unevictable:768 dirty:2440 writeback:0 [ 258.915302][ T2824] slab_reclaimable:5057 slab_unreclaimable:18542 [ 258.915302][ T2824] mapped:1070 shmem:804 pagetables:108 [ 258.915302][ T2824] sec_pagetables:0 bounce:0 [ 258.915302][ T2824] kernel_misc_reclaimable:0 [ 258.915302][ T2824] free:281054 free_pcp:1058 free_cma:4096 [ 258.917814][ T2824] Node 0 active_anon:5828kB inactive_anon:164kB active_file:0kB inactive_file:16556kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4280kB dirty:9760kB writeback:0kB shmem:3216kB writeback_tmp:0kB kernel_stack:4536kB pagetables:432kB sec_pagetables:0kB all_unreclaimable? no [ 258.919721][ T2824] Node 0 DMA32 free:1124216kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:5828kB inactive_anon:164kB active_file:0kB inactive_file:16556kB unevictable:3072kB writepending:9760kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:4208kB local_pcp:2856kB free_cma:16384kB [ 258.958816][ T2824] lowmem_reserve[]: 0 0 0 [ 258.960735][ T2824] Node 0 DMA32: 2*4kB (ME) 2*8kB (UM) 2*16kB (UE) 10*32kB (UE) 0*64kB 2*128kB (U) 3*256kB (UME) 3*512kB (UME) 1*1024kB (E) 3*2048kB (EC) 272*4096kB (MC) = 1124216kB [ 258.979015][ T2824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.980087][ T2824] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 258.981114][ T2824] 4955 total pagecache pages [ 258.981909][ T2824] 0 pages in swap cache [ 258.998296][ T2824] Free swap = 0kB [ 258.999080][ T2824] Total swap = 0kB [ 258.999853][ T2824] 523776 pages RAM [ 259.000612][ T2824] 0 pages HighMem/MovableOnly [ 259.001417][ T2824] 184025 pages reserved [ 259.002931][ T2824] 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 ps_root_recvmsgcb: failed to send message to pid 2824: Connection refused ps_root_recvmsgcb: failed to send message to pid 2826: Connection refused ps_root_recvmsgcb: failed to send message to pid 2825: Connection refused ps_root_recvmsgcb: failed to send message to pid 2827: Connection refused Warning: Permanently added '[localhost]:19134' (ECDSA) to the list of known hosts. 1970/01/01 00:05:51 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff98577940 cnt=0x1 packed=0xffff985779400001 -> node=0xffff98577940 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe80, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab418, 0xffffff98577940) /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, 0xc00047f6e0) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc0005bf758 sp=0xc0005bf710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc00047f6e0, {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(0xc0004ac000) /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(0xc0004ac000) /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(0xc0004ac108, 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}, {0xffffffe2edee92, 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: 02:42:08 Registers: info registers vcpu 0 pc ffffffff82d3104c mhartid 0000000000000000 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff8058f62a mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff82d7fe5a x2/sp ff20000004db6550 x3/gp ffffffff85efe540 x4/tp ff60000012759880 x5/t0 ffebffff01ff035d x6/t1 00000000000f0000 x7/t2 0000000000000000 x8/s0 ff20000004db6520 x9/s1 ff6000000e3b0c40 x10/a0 0000000000000005 x11/a1 00000000000f0000 x12/a2 0000000000000000 x13/a3 ffffffff82d472f6 x14/a4 ff60000012759880 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000000101 x18/s2 ff6000000e3b1c40 x19/s3 0000000000001000 x20/s4 0000000000000000 x21/s5 0000000000000000 x22/s6 0000000000001004 x23/s7 ff6000000e3b1c40 x24/s8 0000000000000000 x25/s9 00000000000005b4 x26/s10 ff600000118cfc80 x27/s11 ff20000004db67c0 x28/t3 0000000076b00000 x29/t4 ffebffff01c762b0 x30/t5 ffebffff01c762b2 x31/t6 ff600000118cfcd8 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 info registers vcpu 1 pc ffffffff83401fc6 mhartid 0000000000000001 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc 00ffffff918e31b8 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80264876 x2/sp ff20000005107e00 x3/gp ffffffff85efe540 x4/tp ff60000011970000 x5/t0 0000000000000000 x6/t1 00000000000f0000 x7/t2 ffffffffffffffff x8/s0 ff20000005107e90 x9/s1 ffffffff800105d8 x10/a0 0000000000000001 x11/a1 00000000000f0000 x12/a2 ffffffff83444bba x13/a3 ffffffff8011e954 x14/a4 ffebffff0232e000 x15/a5 ff60000011970000 x16/a6 0000000000000003 x17/a7 0000000000000000 x18/s2 ffffffff87c080e0 x19/s3 ffffffff800105d8 x20/s4 ffffffff87c080e0 x21/s5 00ffffff918a26c8 x22/s6 0000000000000010 x23/s7 00aaaaaad1bd2c48 x24/s8 ffffffffffffffff x25/s9 0000000000000160 x26/s10 0000000000000001 x27/s11 0000000000000002 x28/t3 fffffffff3f3f300 x29/t4 ffe3ffff00a20fc4 x30/t5 0000000000000008 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