syzkaller login: [ 215.704568][ T2675] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2790: Connection refused ps_root_recvmsgcb: failed to send message to pid 2788: Connection refused [ 215.748129][ T2675] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. ps_root_recvmsgcb: failed to send message to pid 2800: Connection refused ps_root_recvmsgcb: failed to send message to pid 2803: Connection refused [ 247.012917][ T2825] warn_alloc: 5 callbacks suppressed [ 247.013154][ T2825] dhcpcd: vmalloc error: size 4096, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0 [ 247.018843][ T2825] CPU: 0 PID: 2825 Comm: dhcpcd Tainted: G W 6.2.0-rc1-syzkaller #0 [ 247.019876][ T2825] Hardware name: riscv-virtio,qemu (DT) [ 247.020672][ T2825] Call Trace: [ 247.021365][ T2825] [] dump_backtrace+0x2e/0x3c [ 247.022423][ T2825] [] show_stack+0x34/0x40 [ 247.023498][ T2825] [] dump_stack_lvl+0xe0/0x14c [ 247.024978][ T2825] [] dump_stack+0x1c/0x24 [ 247.026014][ T2825] [] warn_alloc+0x168/0x22c [ 247.027004][ T2825] [] __vmalloc_node_range+0xb6c/0xdb4 [ 247.028087][ T2825] [] bpf_jit_alloc_exec+0x46/0x52 [ 247.029065][ T2825] [] bpf_jit_binary_alloc+0x96/0x13c [ 247.030044][ T2825] [] bpf_int_jit_compile+0x886/0xaa6 [ 247.031028][ T2825] [] bpf_prog_select_runtime+0x1a2/0x22e [ 247.032056][ T2825] [] bpf_migrate_filter+0x258/0x2be [ 247.033111][ T2825] [] bpf_prepare_filter+0x10e/0x1b4 [ 247.034630][ T2825] [] __get_filter+0x148/0x1a0 [ 247.035705][ T2825] [] sk_attach_filter+0x22/0x11a [ 247.036661][ T2825] [] sk_setsockopt+0x144e/0x270c [ 247.037705][ T2825] [] sock_setsockopt+0x48/0x58 [ 247.038739][ T2825] [] __sys_setsockopt+0x3f0/0x418 [ 247.039750][ T2825] [] sys_setsockopt+0x3a/0x4c [ 247.040740][ T2825] [] ret_from_syscall+0x0/0x2 [ 247.055220][ T2825] Mem-Info: [ 247.056186][ T2825] active_anon:1357 inactive_anon:40 isolated_anon:0 [ 247.056186][ T2825] active_file:0 inactive_file:5767 isolated_file:0 [ 247.056186][ T2825] unevictable:768 dirty:3705 writeback:0 [ 247.056186][ T2825] slab_reclaimable:5176 slab_unreclaimable:18588 [ 247.056186][ T2825] mapped:1074 shmem:803 pagetables:108 [ 247.056186][ T2825] sec_pagetables:0 bounce:0 [ 247.056186][ T2825] kernel_misc_reclaimable:0 [ 247.056186][ T2825] free:279243 free_pcp:958 free_cma:4096 [ 247.058473][ T2825] Node 0 active_anon:5428kB inactive_anon:160kB active_file:0kB inactive_file:23068kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:4296kB dirty:14820kB writeback:0kB shmem:3212kB writeback_tmp:0kB kernel_stack:4568kB pagetables:432kB sec_pagetables:0kB all_unreclaimable? no [ 247.060287][ T2825] Node 0 DMA32 free:1116972kB boost:0kB min:4656kB low:6012kB high:7368kB reserved_highatomic:0KB active_anon:5428kB inactive_anon:160kB active_file:0kB inactive_file:23068kB unevictable:3072kB writepending:14820kB present:2095104kB managed:1359004kB mlocked:0kB bounce:0kB free_pcp:3832kB local_pcp:2888kB free_cma:16384kB [ 247.062514][ T2825] lowmem_reserve[]: 0 0 0 [ 247.068612][ T2825] Node 0 DMA32: 29*4kB (UE) 13*8kB (U) 39*16kB (UM) 7*32kB (UME) 2*64kB (UM) 1*128kB (E) 2*256kB (ME) 2*512kB (ME) 0*1024kB 4*2048kB (MEC) 270*4096kB (UMC) = 1116972kB [ 247.079877][ T2825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 247.080921][ T2825] Node 0 hugepages_total=4 hugepages_free=4 hugepages_surp=0 hugepages_size=2048kB [ 247.081912][ T2825] 6571 total pagecache pages [ 247.082677][ T2825] 0 pages in swap cache [ 247.085789][ T2825] Free swap = 0kB [ 247.086600][ T2825] Total swap = 0kB [ 247.087384][ T2825] 523776 pages RAM [ 247.088125][ T2825] 0 pages HighMem/MovableOnly [ 247.088878][ T2825] 184025 pages reserved [ 247.089627][ T2825] 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]:34832' (ECDSA) to the list of known hosts. 1970/01/01 00:04:40 fuzzer started runtime: lfstack.push invalid packing: node=0xffffff751ad940 cnt=0x1 packed=0xffff751ad9400001 -> node=0xffff751ad940 fatal error: lfstack.push runtime stack: runtime.throw({0x6cfe80, 0xc}) /usr/local/go/src/runtime/panic.go:1198 +0x60 runtime.(*lfstack).push(0x14ab418, 0xffffff751ad940) /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(0x37f60, 0x64d960, 0x1) /usr/local/go/src/runtime/malloc.go:1174 +0x7d0 fp=0xc00063f6b8 sp=0xc00063f638 pc=0x1d070 runtime.newarray(0x64d960, 0x44e) /usr/local/go/src/runtime/malloc.go:1250 +0x94 fp=0xc00063f6e0 sp=0xc00063f6b8 pc=0x1d2dc runtime.makeBucketArray(0x5f1460, 0xa, 0x0) /usr/local/go/src/runtime/map.go:362 +0x204 fp=0xc00063f710 sp=0xc00063f6e0 pc=0x1e3ec runtime.hashGrow(0x5f1460, 0xc00046d9e0) /usr/local/go/src/runtime/map.go:1036 +0xb4 fp=0xc00063f758 sp=0xc00063f710 pc=0x201ac runtime.mapassign_faststr(0x5f1460, 0xc00046d9e0, {0x7572e5, 0x27}) /usr/local/go/src/runtime/map_faststr.go:275 +0xe4 fp=0xc00063f7c0 sp=0xc00063f758 pc=0x23a0c github.com/google/syzkaller/prog.(*Target).initTarget(0xc00038da40) /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(0xc00038da40) /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=0x189134 sync.(*Once).doSlow(0xc00038db48, 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}, {0xffffffd1fbae92, 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=0x55b4d8 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(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 ps_root_recvmsgcb: failed to send message to pid 2825: Connection refused VM DIAGNOSIS: 10:24:32 Registers: info registers vcpu 0 pc ffffffff801578e0 mhartid 0000000000000000 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80010d88 sepc ffffffff83453faa mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff83444b96 x2/sp ff200000003168f0 x3/gp ffffffff85efe540 x4/tp ff600000084b0000 x5/t0 ffebffff0211ce6e x6/t1 00000000000f0000 x7/t2 ffffffffffffffff x8/s0 ff20000000316850 x9/s1 0000000000000001 x10/a0 ff600000084b0008 x11/a1 0000000000000007 x12/a2 1fec000001096004 x13/a3 ff20000000316960 x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000000100 x17/a7 0000000000000102 x18/s2 ffffffff8384f668 x19/s3 ffffffff801a2cd2 x20/s4 ffffffff87c080e0 x21/s5 ff600000084b0000 x22/s6 ffffffff82d4a3ca x23/s7 ffffffff85195508 x24/s8 ffffffff85f01600 x25/s9 ffffffff85f26460 x26/s10 1fe4000000062d60 x27/s11 ff20000000316b60 x28/t3 fffffffff3f3f300 x29/t4 ffffffff801244de x30/t5 1fe4000000062cf0 x31/t6 ff600000108e7418 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 ffffffff80124ada mhartid 0000000000000001 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005e88 mepc ffffffff80006294 sepc ffffffff80006298 mcause 8000000000000003 scause 8000000000000001 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff800d1138 x2/sp ff20000000337aa0 x3/gp ffffffff85efe540 x4/tp ff600000084b3100 x5/t0 0000000000046000 x6/t1 00000000000f0000 x7/t2 ffffffffffffffff x8/s0 ff20000000337a00 x9/s1 ff6000005a9f6480 x10/a0 0000000000000120 x11/a1 0000000000010003 x12/a2 1fec000001096621 x13/a3 ffffffff800ed68a x14/a4 0000000000000000 x15/a5 ff6000005a9f5970 x16/a6 0000000000000000 x17/a7 0000000000010002 x18/s2 ff6000005a9f5800 x19/s3 0000000000000009 x20/s4 ff6000005a9f5740 x21/s5 0000000000000009 x22/s6 0000000000000005 x23/s7 ff6000005a9f5800 x24/s8 0000000000000002 x25/s9 0000000000000000 x26/s10 ffffffff83a28e08 x27/s11 00000000015feb89 x28/t3 fffffffff3f3f300 x29/t4 ffffffff801244de x30/t5 1fe4000000066edc 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