syzkaller login: ps_root_recvmsgcb: failed to send message to pid 2771: Connection refused ps_root_recvmsgcb: failed to send message to pid 2775: Connection refused [ 282.408648][ T2666] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2786: Connection refused [ 282.456148][ T2666] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2785: Connection refused [ 313.909301][ T2822] warn_alloc: 1 callbacks suppressed [ 313.909548][ T2822] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 313.926620][ T2822] CPU: 1 PID: 2822 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 313.928397][ T2822] Hardware name: riscv-virtio,qemu (DT) [ 313.929605][ T2822] Call Trace: [ 313.930689][ T2822] [] dump_backtrace+0x2e/0x3c [ 313.932431][ T2822] [] show_stack+0x34/0x40 [ 313.933985][ T2822] [] dump_stack_lvl+0xe0/0x14c [ 313.935603][ T2822] [] dump_stack+0x1c/0x24 [ 313.937251][ T2822] [] warn_alloc+0x168/0x22c [ 313.938987][ T2822] [] __vmalloc_node_range+0xb70/0xdb8 [ 313.940670][ T2822] [] bpf_jit_alloc_exec+0x46/0x52 [ 313.942259][ T2822] [] bpf_jit_binary_alloc+0x96/0x13c [ 313.943881][ T2822] [] bpf_int_jit_compile+0x886/0xaa6 [ 313.945502][ T2822] [] bpf_prog_select_runtime+0x1a2/0x22e [ 313.946911][ T2822] [] bpf_migrate_filter+0x258/0x2be [ 313.948154][ T2822] [] bpf_prepare_filter+0x10e/0x1b4 [ 313.949398][ T2822] [] __get_filter+0x148/0x1a0 [ 313.950566][ T2822] [] sk_attach_filter+0x22/0x11a [ 313.951804][ T2822] [] sk_setsockopt+0x144e/0x270c [ 313.953903][ T2822] [] sock_setsockopt+0x48/0x58 [ 313.955174][ T2822] [] __sys_setsockopt+0x3f0/0x418 [ 313.956856][ T2822] [] sys_setsockopt+0x3a/0x4c [ 313.958264][ T2822] [] ret_from_syscall+0x0/0x2 [ 314.049450][ T2822] Mem-Info: [ 314.050521][ T2822] active_anon:34 inactive_anon:1054 isolated_anon:0 [ 314.050521][ T2822] active_file:1698 inactive_file:4956 isolated_file:0 [ 314.050521][ T2822] unevictable:768 dirty:3890 writeback:0 [ 314.050521][ T2822] slab_reclaimable:5245 slab_unreclaimable:18670 [ 314.050521][ T2822] mapped:1056 shmem:804 pagetables:100 [ 314.050521][ T2822] sec_pagetables:0 bounce:0 [ 314.050521][ T2822] kernel_misc_reclaimable:0 [ 314.050521][ T2822] free:278781 free_pcp:758 free_cma:4096 [ 314.068058][ T2822] Node 0 active_anon:136kB inactive_anon:4216kB active_file:6792kB inactive_file:19824kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4224kB dirty:15560kB writeback:0kB shmem:3216kB writeback_tmp:0kB kernel_stack:4504kB pagetables:400kB sec_pagetables:0kB all_unreclaimable? no [ 314.070575][ T2822] Node 0 DMA32 free:1114872kB boost:0kB min:4652kB low:6004kB high:7356kB reserved_highatomic:0KB active_anon:136kB inactive_anon:4216kB active_file:6792kB inactive_file:19824kB unevictable:3072kB writepending:15560kB present:2095104kB managed:1357028kB mlocked:0kB bounce:0kB free_pcp:3276kB local_pcp:1308kB free_cma:16384kB [ 314.099510][ T2822] lowmem_reserve[]: 0 0 0 [ 314.101501][ T2822] Node 0 DMA32: 2*4kB (UE) 2*8kB (UE) 26*16kB (UME) 38*32kB (UME) 2*64kB (U) 0*128kB 2*256kB (ME) 1*512kB (M) 2*1024kB (ME) 4*2048kB (UEC) 269*4096kB (MC) = 1114872kB [ 314.113641][ T2822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.115003][ T2822] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 314.116453][ T2822] 7479 total pagecache pages [ 314.117388][ T2822] 0 pages in swap cache [ 314.118411][ T2822] Free swap = 0kB [ 314.119243][ T2822] Total swap = 0kB [ 314.120318][ T2822] 523776 pages RAM [ 314.121186][ T2822] 0 pages HighMem/MovableOnly [ 314.149316][ T2822] 184519 pages reserved [ 314.150719][ T2822] 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 Warning: Permanently added '[localhost]:20667' (ECDSA) to the list of known hosts. 1970/01/01 00:05:43 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff6b914120 cnt=0x1 packed=0xffff6b9141200001 -> node=0xffff6b914120 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe6c, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab098, 0xffffff6b914120) /usr/local/go/src/runtime/lfstack.go:30 +0x1a8 runtime.(*spanSetBlockAlloc).free(...) /usr/local/go/src/runtime/mspanset.go:292 runtime.(*spanSet).reset(0x14a42e0) /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, 0xc00046f2f0) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc0005bf758 sp=0xc0005bf710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc00046f2f0, {0x757275, 0x27}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc0005bf7c0 sp=0xc0005bf758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc0004aa700) /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(0xc0004aa700) /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(0xc0004aa808, 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}, {0xffffffc2dcbe92, 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=0x55aa68 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: 10:38:38 Registers: info registers vcpu 0 pc ffffffff833d4a2a mhartid 0000000000000000 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80006294 sepc 00ffffff849bc574 mcause 8000000000000003 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff833d35d8 x2/sp ff200000049a79b0 x3/gp ffffffff85cd2e80 x4/tp ff6000000ddd8000 x5/t0 ff600000104df950 x6/t1 eab698dfd43c1100 x7/t2 0000000000000008 x8/s0 ff200000049a7ba0 x9/s1 ff6000000ddd8000 x10/a0 ff6000000ddd8008 x11/a1 ffffffffffffffff x12/a2 ffffffff833d4bb8 x13/a3 ffffffff80127874 x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000000 x18/s2 0000000000000000 x19/s3 ff6000000ddd8000 x20/s4 ffffffff83ace3c0 x21/s5 ffffffff833d4b9a x22/s6 ffffffffffffffff x23/s7 0000000000000022 x24/s8 ffffffff85cf9740 x25/s9 1fe4000000934f50 x26/s10 ffffffff8439cf50 x27/s11 0000000000000008 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80123d54 x30/t5 1fe4000000934f1c x31/t6 00aaaaab170e22c8 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 ffffffff800e2af8 mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d90 sepc ffffffff80006298 mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff833d35d8 x2/sp ff200000003077f0 x3/gp ffffffff85cd2e80 x4/tp ff6000000805e200 x5/t0 ff200000003076c0 x6/t1 00000000000f0000 x7/t2 ffffffffffffffff x8/s0 ff20000000307980 x9/s1 ff6000000805e200 x10/a0 ff6000000805e208 x11/a1 0000000000000003 x12/a2 1ffffffff0f3b5fc x13/a3 ffffffff800e3046 x14/a4 0000000000000000 x15/a5 ff6000005a5d85dc x16/a6 0000000000000100 x17/a7 0000000000000103 x18/s2 0000000000000000 x19/s3 0000000000000001 x20/s4 ff600000080e0000 x21/s5 ffffffff83642848 x22/s6 ffffffff879dafe0 x23/s7 ffffffff879dafe0 x24/s8 0000000000000000 x25/s9 1fe4000000060ef8 x26/s10 ffffffff84f7b480 x27/s11 ff60000007f82400 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80123d54 x30/t5 1fe4000000060ec4 x31/t6 0000000000000002 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