Created
September 26, 2020 17:50
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// cc -O2 -g -o seccomp_emu_bench seccomp_emu_bench.c | |
#define _GNU_SOURCE | |
#include <assert.h> | |
#include <errno.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <stdbool.h> | |
#include <time.h> | |
#include <unistd.h> | |
#include <linux/filter.h> | |
#include <linux/seccomp.h> | |
#include <sys/mman.h> | |
#include <sys/prctl.h> | |
#include <sys/syscall.h> | |
#include <sys/types.h> | |
#include <sys/wait.h> | |
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) | |
struct sock_filter filter[] = { | |
BPF_STMT(BPF_LD|BPF_W|BPF_ABS, 0x4), | |
BPF_STMT(BPF_LD|BPF_W|BPF_ABS, 0x4), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc000003e, 0x0, 0x3), | |
BPF_STMT(BPF_LD|BPF_W|BPF_ABS, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JGE, 0x40000000, 0x0, 0x2), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xffffffff, 0x1, 0x0), | |
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_KILL_THREAD), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x0, 0x38, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1, 0x37, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2, 0x36, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3, 0x35, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4, 0x34, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5, 0x33, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6, 0x32, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7, 0x31, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8, 0x30, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x9, 0x2f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa, 0x2e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xb, 0x2d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc, 0x2c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd, 0x2b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe, 0x2a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf, 0x29, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10, 0x28, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11, 0x27, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12, 0x26, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13, 0x25, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x14, 0x24, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x15, 0x23, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x16, 0x22, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x17, 0x21, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x18, 0x20, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x19, 0x1f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1a, 0x1e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1b, 0x1d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1c, 0x1c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1d, 0x1b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1e, 0x1a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x1f, 0x19, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x20, 0x18, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x21, 0x17, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x22, 0x16, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x23, 0x15, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x24, 0x14, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x25, 0x13, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x26, 0x12, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x27, 0x11, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x28, 0x10, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x29, 0xf, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2a, 0xe, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2b, 0xd, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2c, 0xc, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2d, 0xb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2e, 0xa, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x2f, 0x9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x30, 0x8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x31, 0x7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x32, 0x6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x33, 0x5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x34, 0x4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x35, 0x3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x36, 0x2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x37, 0x1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x38, 0x0, 0x1), | |
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x39, 0xff, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3a, 0xfe, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3b, 0xfd, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3c, 0xfc, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3d, 0xfb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3e, 0xfa, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x3f, 0xf9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x40, 0xf8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x41, 0xf7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x42, 0xf6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x43, 0xf5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x44, 0xf4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x45, 0xf3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x46, 0xf2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x47, 0xf1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x48, 0xf0, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x49, 0xef, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4a, 0xee, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4b, 0xed, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4c, 0xec, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4d, 0xeb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4e, 0xea, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x4f, 0xe9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x50, 0xe8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x51, 0xe7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x52, 0xe6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x53, 0xe5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x54, 0xe4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x55, 0xe3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x56, 0xe2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x57, 0xe1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x58, 0xe0, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x59, 0xdf, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5a, 0xde, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5b, 0xdd, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5c, 0xdc, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5d, 0xdb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5e, 0xda, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x5f, 0xd9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x60, 0xd8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x61, 0xd7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x62, 0xd6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x63, 0xd5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x64, 0xd4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x65, 0xd3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x66, 0xd2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x67, 0xd1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x68, 0xd0, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x69, 0xcf, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6a, 0xce, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6b, 0xcd, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6c, 0xcc, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6d, 0xcb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6e, 0xca, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x6f, 0xc9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x70, 0xc8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x71, 0xc7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x72, 0xc6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x73, 0xc5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x74, 0xc4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x75, 0xc3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x76, 0xc2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x77, 0xc1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x78, 0xc0, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x79, 0xbf, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7a, 0xbe, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7b, 0xbd, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7c, 0xbc, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7d, 0xbb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7e, 0xba, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x7f, 0xb9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x80, 0xb8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x81, 0xb7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x82, 0xb6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x83, 0xb5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x84, 0xb4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x85, 0xb3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x89, 0xb2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8a, 0xb1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8c, 0xb0, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8d, 0xaf, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8e, 0xae, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8f, 0xad, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x90, 0xac, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x91, 0xab, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x92, 0xaa, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x93, 0xa9, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x94, 0xa8, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x95, 0xa7, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x96, 0xa6, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x97, 0xa5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x98, 0xa4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x99, 0xa3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x9a, 0xa2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x9d, 0xa1, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x9e, 0xa0, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x9f, 0x9f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa0, 0x9e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa1, 0x9d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa2, 0x9c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa3, 0x9b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa4, 0x9a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa5, 0x99, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa6, 0x98, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xa9, 0x97, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xaa, 0x96, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xab, 0x95, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xac, 0x94, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xad, 0x93, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xaf, 0x92, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xb0, 0x91, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xb2, 0x90, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xb3, 0x8f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xba, 0x8e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xbb, 0x8d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xbc, 0x8c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xbd, 0x8b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xbe, 0x8a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xbf, 0x89, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc0, 0x88, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc1, 0x87, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc2, 0x86, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc3, 0x85, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc4, 0x84, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc5, 0x83, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc6, 0x82, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc7, 0x81, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc8, 0x80, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xc9, 0x7f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xca, 0x7e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xcb, 0x7d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xcc, 0x7c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xcd, 0x7b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xce, 0x7a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xcf, 0x79, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd0, 0x78, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd1, 0x77, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd2, 0x76, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd3, 0x75, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd4, 0x74, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd5, 0x73, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd6, 0x72, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd7, 0x71, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd8, 0x70, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xd9, 0x6f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xda, 0x6e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xdb, 0x6d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xdc, 0x6c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xdd, 0x6b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xde, 0x6a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xdf, 0x69, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe0, 0x68, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe1, 0x67, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe2, 0x66, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe3, 0x65, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe4, 0x64, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe5, 0x63, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe6, 0x62, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe7, 0x61, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe8, 0x60, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xe9, 0x5f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xea, 0x5e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xeb, 0x5d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xed, 0x5c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xee, 0x5b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xef, 0x5a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf0, 0x59, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf1, 0x58, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf2, 0x57, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf3, 0x56, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf4, 0x55, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf5, 0x54, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xf7, 0x53, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xfb, 0x52, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xfc, 0x51, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xfd, 0x50, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xfe, 0x4f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xff, 0x4e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x101, 0x4d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x102, 0x4c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x103, 0x4b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x104, 0x4a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x105, 0x49, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x106, 0x48, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x107, 0x47, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x108, 0x46, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x109, 0x45, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10a, 0x44, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10b, 0x43, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10c, 0x42, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10d, 0x41, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10e, 0x40, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x10f, 0x3f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x110, 0x3e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x111, 0x3d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x112, 0x3c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x113, 0x3b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x114, 0x3a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x115, 0x39, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x116, 0x38, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x118, 0x37, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x119, 0x36, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11a, 0x35, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11b, 0x34, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11c, 0x33, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11d, 0x32, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11e, 0x31, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x11f, 0x30, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x120, 0x2f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x121, 0x2e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x122, 0x2d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x123, 0x2c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x124, 0x2b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x125, 0x2a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x126, 0x29, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x127, 0x28, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x128, 0x27, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x129, 0x26, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12a, 0x25, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12b, 0x24, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12c, 0x23, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12d, 0x22, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12e, 0x21, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x12f, 0x20, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x130, 0x1f, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x132, 0x1e, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x133, 0x1d, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x134, 0x1c, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x135, 0x1b, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x136, 0x1a, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x137, 0x19, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x138, 0x18, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x139, 0x17, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13a, 0x16, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13b, 0x15, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13c, 0x14, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13d, 0x13, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13e, 0x12, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x13f, 0x11, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x141, 0x10, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x142, 0xf, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x145, 0xe, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x146, 0xd, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x147, 0xc, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x148, 0xb, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x14c, 0xa, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x87, 0x0, 0x8), | |
BPF_STMT(BPF_LD|BPF_W|BPF_ABS, 0x14), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x0, 0x0, 0x6), | |
BPF_STMT(BPF_LD|BPF_W|BPF_ABS, 0x10), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0xffffffff, 0x5, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x20008, 0x4, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x20000, 0x3, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x8, 0x2, 0x0), | |
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 0x0, 0x1, 0x0), | |
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ERRNO | EPERM), | |
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW), | |
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_KILL_THREAD), | |
}; | |
#define SECOND_NS 1000000000ULL | |
static struct timespec *shared_timespec; | |
static void timespec_add(struct timespec *x, const struct timespec *y) | |
{ | |
x->tv_sec += y->tv_sec; | |
x->tv_nsec += y->tv_nsec; | |
if (x->tv_nsec >= SECOND_NS) { | |
x->tv_sec++; | |
x->tv_nsec -= SECOND_NS; | |
} | |
} | |
static void timespec_sub(struct timespec *x, const struct timespec *y) | |
{ | |
if (x->tv_nsec < y->tv_nsec) { | |
x->tv_sec--; | |
x->tv_nsec += SECOND_NS; | |
} | |
x->tv_sec -= y->tv_sec; | |
x->tv_nsec -= y->tv_nsec; | |
} | |
static unsigned long long timing(clockid_t clk_id, unsigned long long samples, bool incfork) | |
{ | |
struct sock_fprog prog = { | |
.len = (unsigned short)ARRAY_SIZE(filter), | |
.filter = filter, | |
}; | |
struct timespec start, finish; | |
unsigned long long i; | |
pid_t cpid, w; | |
int wstatus; | |
*shared_timespec = (struct timespec){0}; | |
for (i = 0; i < samples; i++) { | |
if (incfork) | |
assert(clock_gettime(clk_id, &start) == 0); | |
cpid = fork(); | |
if (!cpid) { | |
if (!incfork) | |
assert(clock_gettime(clk_id, &start) == 0); | |
assert(prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog) == 0); | |
assert(clock_gettime(clk_id, &finish) == 0); | |
timespec_sub(&finish, &start); | |
timespec_add(shared_timespec, &finish); | |
_exit(0); | |
} else { | |
do { | |
w = waitpid(cpid, &wstatus, 0); | |
if (w == -1) { | |
perror("waitpid"); | |
exit(EXIT_FAILURE); | |
} | |
} while (!WIFEXITED(wstatus) && !WIFSIGNALED(wstatus)); | |
__asm__ __volatile__("" : : : "memory"); | |
} | |
} | |
i = shared_timespec->tv_sec; | |
i *= SECOND_NS; | |
i += shared_timespec->tv_nsec; | |
printf("%llu (%.1fs)\n", | |
i, (double)i / 1000000000.0); | |
return i; | |
} | |
int main(int argc, char *argv[]) | |
{ | |
int memfd; | |
long ret; | |
unsigned long long samples; | |
unsigned long long nofork, incfork; | |
memfd = memfd_create("shared_timespec", MFD_CLOEXEC); | |
assert(ftruncate(memfd, sizeof(*shared_timespec)) == 0); | |
shared_timespec = mmap(NULL, sizeof(*shared_timespec), | |
PROT_READ | PROT_WRITE, MAP_SHARED, memfd, 0); | |
assert(prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0) == 0); | |
if (argc > 1) | |
samples = strtoull(argv[1], NULL, 0); | |
else | |
return 1; | |
printf("Benchmarking %llu syscalls...\n", samples); | |
nofork = timing(CLOCK_MONOTONIC, samples, false) / samples; | |
printf("seecomp attach without fork: %llu ns\n", nofork); | |
incfork = timing(CLOCK_MONOTONIC, samples, true) / samples; | |
printf("seecomp attach with fork: %llu ns\n", incfork); | |
return 0; | |
} |
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