syzkaller login: [ 200.873591][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 200.891973][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2779: Connection refused ps_root_recvmsgcb: failed to send message to pid 2780: Connection refused ps_root_recvmsgcb: failed to send message to pid 2799: Connection refused ps_root_recvmsgcb: failed to send message to pid 2798: Connection refused [ 232.941509][ T2826] warn_alloc: 1 callbacks suppressed [ 232.941740][ T2826] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 232.944921][ T2826] CPU: 1 PID: 2826 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 232.946039][ T2826] Hardware name: riscv-virtio,qemu (DT) [ 232.946846][ T2826] Call Trace: [ 232.947880][ T2826] [] dump_backtrace+0x2e/0x3c [ 232.948994][ T2826] [] show_stack+0x34/0x40 [ 232.950053][ T2826] [] dump_stack_lvl+0xe0/0x14c [ 232.951220][ T2826] [] dump_stack+0x1c/0x24 [ 232.952338][ T2826] [] warn_alloc+0x168/0x22c [ 232.953406][ T2826] [] __vmalloc_node_range+0xb6c/0xdb4 [ 232.954600][ T2826] [] bpf_jit_alloc_exec+0x46/0x52 [ 232.955699][ T2826] [] bpf_jit_binary_alloc+0x96/0x13c [ 232.956841][ T2826] [] bpf_int_jit_compile+0x886/0xaa6 [ 232.958590][ T2826] [] bpf_prog_select_runtime+0x1a2/0x22e [ 232.959755][ T2826] [] bpf_migrate_filter+0x258/0x2be [ 232.960888][ T2826] [] bpf_prepare_filter+0x10e/0x1b4 [ 232.962017][ T2826] [] __get_filter+0x148/0x1a0 [ 232.963101][ T2826] [] sk_attach_filter+0x22/0x11a [ 232.964123][ T2826] [] sk_setsockopt+0x144e/0x270c [ 232.965248][ T2826] [] sock_setsockopt+0x48/0x58 [ 232.966328][ T2826] [] __sys_setsockopt+0x3f0/0x418 [ 232.967424][ T2826] [] sys_setsockopt+0x3a/0x4c [ 232.968475][ T2826] [] ret_from_syscall+0x0/0x2 [ 233.079429][ T2826] Mem-Info: [ 233.080425][ T2826] active_anon:719 inactive_anon:41 isolated_anon:0 [ 233.080425][ T2826] active_file:0 inactive_file:7258 isolated_file:0 [ 233.080425][ T2826] unevictable:768 dirty:2970 writeback:0 [ 233.080425][ T2826] slab_reclaimable:5329 slab_unreclaimable:18338 [ 233.080425][ T2826] mapped:648 shmem:804 pagetables:101 [ 233.080425][ T2826] sec_pagetables:0 bounce:0 [ 233.080425][ T2826] kernel_misc_reclaimable:0 [ 233.080425][ T2826] free:278714 free_pcp:1228 free_cma:4096 [ 233.082966][ T2826] Node 0 active_anon:2876kB inactive_anon:164kB active_file:0kB inactive_file:29032kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:2592kB dirty:11880kB writeback:0kB shmem:3216kB writeback_tmp:0kB kernel_stack:4528kB pagetables:404kB sec_pagetables:0kB all_unreclaimable? no [ 233.084910][ T2826] Node 0 DMA32 free:1114856kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:2876kB inactive_anon:164kB active_file:0kB inactive_file:29032kB unevictable:3072kB writepending:11880kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:4912kB local_pcp:2400kB free_cma:16384kB ps_bpf_start_bpf: bpf_open: Unknown error 524 [ 233.120075][ T2826] lowmem_reserve[]: 0 0 0 ps_root_recvmsg: Unknown error 524 [ 233.121805][ T2826] Node 0 DMA32: 46*4kB (UM) 36*8kB (UME) 59*16kB (UM) 15*32kB (U) 12*64kB (UME) 3*128kB (UM) 3*256kB (UME) 2*512kB (ME) 0*1024kB 4*2048kB (MEC) 269*4096kB (MC) = 1114856kB [ 233.168507][ T2826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 233.169640][ T2826] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 233.170628][ T2826] 8067 total pagecache pages [ 233.171382][ T2826] 0 pages in swap cache [ 233.172128][ T2826] Free swap = 0kB [ 233.172850][ T2826] Total swap = 0kB [ 233.173582][ T2826] 523776 pages RAM [ 233.174297][ T2826] 0 pages HighMem/MovableOnly [ 233.175044][ T2826] 184025 pages reserved [ 233.175804][ T2826] 4096 pages cma reserved ps_bpf_start_bpf: bpf_open: Unknown error 524 ps_root_recvmsg: Unknown error 524 Warning: Permanently added '[localhost]:38484' (ECDSA) to the list of known hosts. 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 00:04:08 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff84fc4a20 cnt=0x1 packed=0xffff84fc4a200001 -> node=0xffff84fc4a20 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe80, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab418, 0xffffff84fc4a20) /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=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(0x1bfb0, 0x64d960, 0x1) /usr/local/go/src/runtime/malloc.go:1174 +0x7d0 fp=0xc00063f6b8 sp=0xc00063f638 pc=0x1d070 runtime.newarray(0x64d960, 0x227) /usr/local/go/src/runtime/malloc.go:1250 +0x94 fp=0xc00063f6e0 sp=0xc00063f6b8 pc=0x1d2dc runtime.makeBucketArray(0x5f1460, 0x9, 0x0) /usr/local/go/src/runtime/map.go:362 +0x204 fp=0xc00063f710 sp=0xc00063f6e0 pc=0x1e3ec runtime.hashGrow(0x5f1460, 0xc0005a4210) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc00063f758 sp=0xc00063f710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc0005a4210, {0x6d2074, 0xd}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc00063f7c0 sp=0xc00063f758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc00048a700) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:159 +0x384 fp=0xc00063f890 sp=0xc00063f7c0 pc=0x180d6c github.com/google/syzkaller/prog.(*Target).lazyInit(0xc00048a700) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:130 +0x80 fp=0xc00063f908 sp=0xc00063f890 pc=0x1806f0 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=0x189204 sync.(*Once).doSlow(0xc00048a808, 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}, {0xfffffff3b82e92, 0x7}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/target.go:108 +0x17c fp=0xc00063fa88 sp=0xc00063f960 pc=0x1803cc main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:164 +0x3c0 fp=0xc00063ff88 sp=0xc00063fa88 pc=0x55b5a8 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: 14:38:52 Registers: info registers vcpu 0 pc ffffffff801bf2e6 mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc 00000000000835f8 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff801288a6 x2/sp ff20000000337910 x3/gp ffffffff85efe540 x4/tp ff600000084b3100 x5/t0 ff200000051d7380 x6/t1 a7d9a4191b705800 x7/t2 0000000000000032 x8/s0 ff20000000337a80 x9/s1 0000000000000000 x10/a0 ff600000084b3b30 x11/a1 0000000000000003 x12/a2 0000000000000008 x13/a3 ffffffff80123304 x14/a4 0000000000000000 x15/a5 ff600000084b3b58 x16/a6 ffffffff8732f1d8 x17/a7 ffffffff80bc0c88 x18/s2 ffffffff87c080e0 x19/s3 ffffffff87c080e8 x20/s4 ffffffff87d2ff68 x21/s5 ff600000084b3100 x22/s6 ffffffff85f25740 x23/s7 ffffffff83a4c040 x24/s8 ffffffff87d2ff60 x25/s9 0000000000000020 x26/s10 ffffffff87d2ff78 x27/s11 ffffffff87c080e8 x28/t3 fffffffff3f3f300 x29/t4 fffffffef0fa5fec x30/t5 fffffffef0fa5fed x31/t6 0000000000000006 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 ffffffff82d245ac mhartid 0000000000000001 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff8006975a mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff828b9372 x2/sp ff20000005197780 x3/gp ffffffff85efe540 x4/tp ff60000011b44980 x5/t0 ffebffff01e2f12d x6/t1 00000000000f0000 x7/t2 9fd52843105fb797 x8/s0 ff20000005197780 x9/s1 00000000000900bc x10/a0 ffffffff85efdfe0 x11/a1 0000000000000007 x12/a2 1fe38000004805e1 x13/a3 ffffffff80487522 x14/a4 ff1c000002402f38 x15/a5 ff1c000002402f34 x16/a6 ff1c000002402f34 x17/a7 ff1c000002402f37 x18/s2 ff6000001500cdc0 x19/s3 0000000000000014 x20/s4 ff6000000febc464 x21/s5 0000000000001000 x22/s6 ffffffff84b44598 x23/s7 ffffffff85efdfe0 x24/s8 ffffffff85f26460 x25/s9 ffffffff85f26460 x26/s10 1fe4000000a32f14 x27/s11 ff20000005197900 x28/t3 000000006b980000 x29/t4 ffe37fff004805e6 x30/t5 ffe37fff004805e7 x31/t6 ff6000001500ce18 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