syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2781: Connection refused [ 202.963569][ T2675] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 202.988375][ T2675] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2799: Connection refused ps_root_recvmsgcb: failed to send message to pid 2801: Connection refused ps_root_recvmsgcb: failed to send message to pid 2800: Connection refused Warning: Permanently added '[localhost]:29656' (ECDSA) to the list of known hosts. [ 234.263577][ T2837] warn_alloc: 2 callbacks suppressed [ 234.263818][ T2837] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 234.287541][ T2837] CPU: 0 PID: 2837 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 234.288789][ T2837] Hardware name: riscv-virtio,qemu (DT) [ 234.289548][ T2837] Call Trace: [ 234.290242][ T2837] [] dump_backtrace+0x2e/0x3c [ 234.291282][ T2837] [] show_stack+0x34/0x40 [ 234.292238][ T2837] [] dump_stack_lvl+0xe0/0x14c [ 234.293314][ T2837] [] dump_stack+0x1c/0x24 [ 234.294312][ T2837] [] warn_alloc+0x168/0x22c [ 234.295277][ T2837] [] __vmalloc_node_range+0xb6c/0xdb4 [ 234.296366][ T2837] [] bpf_jit_alloc_exec+0x46/0x52 [ 234.297439][ T2837] [] bpf_jit_binary_alloc+0x96/0x13c [ 234.298492][ T2837] [] bpf_int_jit_compile+0x886/0xaa6 [ 234.299543][ T2837] [] bpf_prog_select_runtime+0x1a2/0x22e [ 234.300633][ T2837] [] bpf_migrate_filter+0x258/0x2be [ 234.301787][ T2837] [] bpf_prepare_filter+0x10e/0x1b4 [ 234.302903][ T2837] [] __get_filter+0x148/0x1a0 [ 234.304020][ T2837] [] sk_attach_filter+0x22/0x11a [ 234.305025][ T2837] [] sk_setsockopt+0x144e/0x270c [ 234.306128][ T2837] [] sock_setsockopt+0x48/0x58 [ 234.307599][ T2837] [] __sys_setsockopt+0x3f0/0x418 [ 234.308616][ T2837] [] sys_setsockopt+0x3a/0x4c [ 234.309622][ T2837] [] ret_from_syscall+0x0/0x2 [ 234.350717][ T2837] Mem-Info: [ 234.351736][ T2837] active_anon:707 inactive_anon:42 isolated_anon:0 [ 234.351736][ T2837] active_file:0 inactive_file:7291 isolated_file:0 [ 234.351736][ T2837] unevictable:768 dirty:3580 writeback:2028 [ 234.351736][ T2837] slab_reclaimable:5320 slab_unreclaimable:18363 [ 234.351736][ T2837] mapped:1015 shmem:804 pagetables:105 [ 234.351736][ T2837] sec_pagetables:0 bounce:0 [ 234.351736][ T2837] kernel_misc_reclaimable:0 [ 234.351736][ T2837] free:279009 free_pcp:980 free_cma:4096 [ 234.354077][ T2837] Node 0 active_anon:2828kB inactive_anon:168kB active_file:0kB inactive_file:29164kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4060kB dirty:14320kB writeback:8112kB shmem:3216kB writeback_tmp:0kB kernel_stack:4576kB pagetables:420kB sec_pagetables:0kB all_unreclaimable? no [ 234.356065][ T2837] Node 0 DMA32 free:1116036kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:2828kB inactive_anon:168kB active_file:0kB inactive_file:29164kB unevictable:3072kB writepending:22432kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:3920kB local_pcp:2680kB free_cma:16384kB [ 234.374771][ T2837] lowmem_reserve[]: 0 0 0 [ 234.377581][ T2837] Node 0 DMA32: 181*4kB (U) 62*8kB (UE) 36*16kB (UM) 60*32kB (UME) 6*64kB (UM) 1*128kB (U) 1*256kB (M) 1*512kB (E) 1*1024kB (M) 4*2048kB (MEC) 269*4096kB (MC) = 1116036kB [ 234.407216][ T2837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.408497][ T2837] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 234.409540][ T2837] 8097 total pagecache pages [ 234.410327][ T2837] 0 pages in swap cache [ 234.411098][ T2837] Free swap = 0kB [ 234.411836][ T2837] Total swap = 0kB [ 234.412627][ T2837] 523776 pages RAM [ 234.413380][ T2837] 0 pages HighMem/MovableOnly [ 234.414156][ T2837] 184025 pages reserved [ 234.414909][ T2837] 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 00:04:04 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff8d4d5940 cnt=0x1 packed=0xffff8d4d59400001 -> node=0xffff8d4d5940 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe80, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab418, 0xffffff8d4d5940) /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, 0xc0004d3320) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc0005bf758 sp=0xc0005bf710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc0004d3320, {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}, {0xffffffec957e92, 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(0xc0000f7080) /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: 14:35:34 Registers: info registers vcpu 0 pc ffffffff82d40a8c mhartid 0000000000000000 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff834548f8 mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8022cd0a x2/sp ffffffff850069a0 x3/gp ffffffff85efe540 x4/tp ffffffff85044380 x5/t0 ff6000000e8c5680 x6/t1 00000000000f0000 x7/t2 ffffffff8045b99e x8/s0 ffffffff85006c90 x9/s1 ff600000131a1880 x10/a0 ff60000011fbe2ac x11/a1 0000000000000000 x12/a2 ffffffff82d389aa x13/a3 ffffffff82d389b6 x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000000102 x18/s2 ffffffff85006b90 x19/s3 ff600000131a1880 x20/s4 000000000e9fe1e5 x21/s5 0000000000000000 x22/s6 0000000000000000 x23/s7 0000000000000001 x24/s8 ffffffff85006bcc x25/s9 ff60000011fbe2ac x26/s10 ff60000011fbe2a8 x27/s11 ff60000011fbe2b5 x28/t3 fffffffff3f3f300 x29/t4 ffebffff0263443f x30/t5 ffebffff02634440 x31/t6 ff6000000e8c5918 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 ffffffff83444b96 mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc 00ffffff98596a20 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8000628c x2/sp ff20000000337e70 x3/gp ffffffff85efe540 x4/tp ff600000084b3100 x5/t0 ff200000050f7530 x6/t1 00000000000f0000 x7/t2 ffffffffffffffff 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 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