syzkaller login: [ 230.389394][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2788: Connection refused [ 230.432665][ T2673] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2785: Connection refused ps_root_recvmsgcb: failed to send message to pid 2798: Connection refused ps_root_recvmsgcb: failed to send message to pid 2802: Connection refused Warning: Permanently added '[localhost]:36186' (ECDSA) to the list of known hosts. [ 261.921844][ T2835] warn_alloc: 5 callbacks suppressed [ 261.922081][ T2835] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 261.925082][ T2835] CPU: 0 PID: 2835 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 261.926153][ T2835] Hardware name: riscv-virtio,qemu (DT) [ 261.927079][ T2835] Call Trace: [ 261.927780][ T2835] [] dump_backtrace+0x2e/0x3c [ 261.928843][ T2835] [] show_stack+0x34/0x40 [ 261.929813][ T2835] [] dump_stack_lvl+0xe0/0x14c [ 261.930875][ T2835] [] dump_stack+0x1c/0x24 [ 261.931901][ T2835] [] warn_alloc+0x168/0x22c [ 261.932855][ T2835] [] __vmalloc_node_range+0xb6c/0xdb4 [ 261.933932][ T2835] [] bpf_jit_alloc_exec+0x46/0x52 [ 261.934945][ T2835] [] bpf_jit_binary_alloc+0x96/0x13c [ 261.935998][ T2835] [] bpf_int_jit_compile+0x886/0xaa6 [ 261.937109][ T2835] [] bpf_prog_select_runtime+0x1a2/0x22e [ 261.938142][ T2835] [] bpf_migrate_filter+0x258/0x2be [ 261.939223][ T2835] [] bpf_prepare_filter+0x10e/0x1b4 [ 261.940301][ T2835] [] __get_filter+0x148/0x1a0 [ 261.941354][ T2835] [] sk_attach_filter+0x22/0x11a [ 261.942426][ T2835] [] sk_setsockopt+0x144e/0x270c [ 261.943481][ T2835] [] sock_setsockopt+0x48/0x58 [ 261.944510][ T2835] [] __sys_setsockopt+0x3f0/0x418 [ 261.945479][ T2835] [] sys_setsockopt+0x3a/0x4c [ 261.946853][ T2835] [] ret_from_syscall+0x0/0x2 [ 261.952565][ T2835] Mem-Info: [ 261.953430][ T2835] active_anon:33 inactive_anon:708 isolated_anon:0 [ 261.953430][ T2835] active_file:2207 inactive_file:5088 isolated_file:0 [ 261.953430][ T2835] unevictable:768 dirty:5608 writeback:0 [ 261.953430][ T2835] slab_reclaimable:5312 slab_unreclaimable:18385 [ 261.953430][ T2835] mapped:1049 shmem:803 pagetables:101 [ 261.953430][ T2835] sec_pagetables:0 bounce:0 [ 261.953430][ T2835] kernel_misc_reclaimable:0 [ 261.953430][ T2835] free:279084 free_pcp:931 free_cma:4096 [ 261.957455][ T2835] Node 0 active_anon:132kB inactive_anon:2832kB active_file:8828kB inactive_file:20352kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4196kB dirty:22432kB writeback:0kB shmem:3212kB writeback_tmp:0kB kernel_stack:4504kB pagetables:404kB sec_pagetables:0kB all_unreclaimable? no [ 261.959709][ T2835] Node 0 DMA32 free:1116336kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:132kB inactive_anon:2832kB active_file:8828kB inactive_file:20352kB unevictable:3072kB writepending:22432kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:3724kB local_pcp:2512kB free_cma:16384kB [ 261.972963][ T2835] lowmem_reserve[]: 0 0 0 [ 261.974777][ T2835] Node 0 DMA32: 64*4kB (UE) 36*8kB (UME) 63*16kB (UM) 55*32kB (UME) 7*64kB (UM) 2*128kB (M) 1*256kB (E) 2*512kB (UE) 1*1024kB (M) 4*2048kB (MEC) 269*4096kB (MC) = 1116336kB [ 261.984998][ T2835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.986745][ T2835] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 261.992070][ T2835] 8098 total pagecache pages [ 261.992874][ T2835] 0 pages in swap cache [ 261.993653][ T2835] Free swap = 0kB [ 261.994424][ T2835] Total swap = 0kB [ 261.995191][ T2835] 523776 pages RAM [ 261.997046][ T2835] 0 pages HighMem/MovableOnly [ 261.997852][ T2835] 184025 pages reserved [ 261.998680][ T2835] 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 00:04:33 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff932d4120 cnt=0x1 packed=0xffff932d41200001 -> node=0xffff932d4120 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe80, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab418, 0xffffff932d4120) /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, 0xc0005568d0) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc0005bf758 sp=0xc0005bf710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc0005568d0, {0x7572cd, 0x27}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc0005bf7c0 sp=0xc0005bf758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc0004581c0) /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(0xc0004581c0) /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(0xc0004582c8, 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}, {0xffffffdd4b1e92, 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: 10:11:30 Registers: info registers vcpu 0 pc ffffffff83431000 mhartid 0000000000000000 mstatus 00000000000001a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff82d322f8 mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8022cca4 x2/sp ff20000004ed64d0 x3/gp ffffffff85efcae0 x4/tp ff6000000bc38000 x5/t0 ffebffff023fbe1e x6/t1 00000000000f0000 x7/t2 0000000000000000 x8/s0 ff20000004ed6620 x9/s1 ff6000000f1d8ca8 x10/a0 0000000000000006 x11/a1 0000000000000000 x12/a2 0000000000000001 x13/a3 0000000000000100 x14/a4 dfffffff00000000 x15/a5 ffebffff01e3b18a x16/a6 0000000000000100 x17/a7 0000000000000100 x18/s2 ff6000000e149dc0 x19/s3 ff6000000f1d8c40 x20/s4 ffffffff87e4d500 x21/s5 0000000000000000 x22/s6 0000000000000000 x23/s7 ff6000000e149e40 x24/s8 0000000000000064 x25/s9 1fe40000009daca8 x26/s10 ffffffff85f23740 x27/s11 ff6000000e149dc0 x28/t3 ffffffff82cfc824 x29/t4 ffe3ffff009dacac x30/t5 ffe3ffff009dacad x31/t6 ff60000011e1c4d8 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 ffffffff80010d88 sepc ffffffff80006298 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8000628c x2/sp ff20000000337e70 x3/gp ffffffff85efcae0 x4/tp ff600000084e3100 x5/t0 ffebffff01d8e0a8 x6/t1 00000000000f0000 x7/t2 ffffffff804cd30e 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 ff6000005a606ff8 f0/ft0 3fd00c6c10e4c3f4 f1/ft1 3fd0000000000000 f2/ft2 3fd3d56e16198fee f3/ft3 41a6bd8498000000 f4/ft4 3ff0000000000000 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