// autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1) #define BITMASK_LEN_OFF(type, bf_off, bf_len) \ (type)(BITMASK_LEN(type, (bf_len)) << (bf_off)) #define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len) \ if ((bf_off) == 0 && (bf_len) == 0) { \ *(type*)(addr) = (type)(val); \ } else { \ type new_val = *(type*)(addr); \ new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len)); \ new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off); \ *(type*)(addr) = new_val; \ } #ifndef __NR_bpf #define __NR_bpf 321 #endif long r[2]; void loop() { memset(r, -1, sizeof(r)); syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0); *(uint32_t*)0x2001d000 = 2; *(uint32_t*)0x2001d004 = 0x78; *(uint8_t*)0x2001d008 = 0; *(uint8_t*)0x2001d009 = 1; *(uint8_t*)0x2001d00a = 0; *(uint8_t*)0x2001d00b = 0; *(uint32_t*)0x2001d00c = 0; *(uint64_t*)0x2001d010 = 0; *(uint64_t*)0x2001d018 = 0; *(uint64_t*)0x2001d020 = 0; STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 0, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 1, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 2, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 3, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 4, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 5, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 6, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 7, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 8, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 9, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 10, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 11, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 12, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 13, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 14, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 15, 2); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 17, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 18, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 19, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 20, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 21, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 22, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 23, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 24, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 25, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 26, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 27, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 28, 1); STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 29, 35); *(uint32_t*)0x2001d030 = 0; *(uint32_t*)0x2001d034 = 0; *(uint64_t*)0x2001d038 = 0x20000000; *(uint64_t*)0x2001d040 = 0; *(uint64_t*)0x2001d048 = 0; *(uint64_t*)0x2001d050 = 0; *(uint64_t*)0x2001d058 = 0; *(uint32_t*)0x2001d060 = 0; *(uint64_t*)0x2001d068 = 0; *(uint32_t*)0x2001d070 = 0; *(uint16_t*)0x2001d074 = 0; *(uint16_t*)0x2001d076 = 0; r[0] = syscall(__NR_perf_event_open, 0x2001d000, 0, 0, -1, 0); *(uint32_t*)0x20973000 = 5; *(uint32_t*)0x20973004 = 3; *(uint64_t*)0x20973008 = 0x209ff000; *(uint64_t*)0x20973010 = 0x202bf000; *(uint32_t*)0x20973018 = 4; *(uint32_t*)0x2097301c = 0xb7; *(uint64_t*)0x20973020 = 0x206ab000; *(uint32_t*)0x20973028 = 0; *(uint32_t*)0x2097302c = 0; *(uint8_t*)0x20973030 = 0; *(uint8_t*)0x20973031 = 0; *(uint8_t*)0x20973032 = 0; *(uint8_t*)0x20973033 = 0; *(uint8_t*)0x20973034 = 0; *(uint8_t*)0x20973035 = 0; *(uint8_t*)0x20973036 = 0; *(uint8_t*)0x20973037 = 0; *(uint8_t*)0x20973038 = 0; *(uint8_t*)0x20973039 = 0; *(uint8_t*)0x2097303a = 0; *(uint8_t*)0x2097303b = 0; *(uint8_t*)0x2097303c = 0; *(uint8_t*)0x2097303d = 0; *(uint8_t*)0x2097303e = 0; *(uint8_t*)0x2097303f = 0; *(uint32_t*)0x20973040 = 0; *(uint8_t*)0x209ff000 = 0x18; STORE_BY_BITMASK(uint8_t, 0x209ff001, 0, 0, 4); STORE_BY_BITMASK(uint8_t, 0x209ff001, 0, 4, 4); *(uint16_t*)0x209ff002 = 0; *(uint32_t*)0x209ff004 = 0; *(uint8_t*)0x209ff008 = 0; *(uint8_t*)0x209ff009 = 0; *(uint16_t*)0x209ff00a = 0; *(uint32_t*)0x209ff00c = 0; *(uint8_t*)0x209ff010 = 0x95; *(uint8_t*)0x209ff011 = 0; *(uint16_t*)0x209ff012 = 0; *(uint32_t*)0x209ff014 = 0; memcpy((void*)0x202bf000, "syzkaller", 10); r[1] = syscall(__NR_bpf, 5, 0x20973000, 0x48); syscall(__NR_ioctl, r[0], 0x40042408, r[1]); *(uint32_t*)0x206a8000 = 0x3ffffe29; *(uint32_t*)0x206a8004 = 0; syscall(__NR_ioctl, r[0], 0xc008240a, 0x206a8000); } int main() { loop(); return 0; }