// 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; } static void test(); void loop() { while (1) { test(); } } #ifndef __NR_perf_event_open #define __NR_perf_event_open 241 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif void test() { syscall(__NR_mmap, 0x20000000, 0xff4000, 3, 0x32, -1, 0); *(uint32_t*)0x20ff3000 = 4; *(uint32_t*)0x20ff3004 = 0x78; *(uint8_t*)0x20ff3008 = 0; *(uint8_t*)0x20ff3009 = 0; *(uint8_t*)0x20ff300a = 0; *(uint8_t*)0x20ff300b = 0; *(uint32_t*)0x20ff300c = 0; *(uint64_t*)0x20ff3010 = 0; *(uint64_t*)0x20ff3018 = 0; *(uint64_t*)0x20ff3020 = 0; STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 0, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 1, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 2, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 3, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 4, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 5, 5, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 6, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 7, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 8, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 9, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 10, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 11, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 12, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 13, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 14, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 15, 2); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 17, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0xfffffffffffffffc, 18, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0xfffffffffffffffe, 19, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 20, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 21, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 22, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 23, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 24, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 25, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 26, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 27, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 28, 1); STORE_BY_BITMASK(uint64_t, 0x20ff3028, 0, 29, 35); *(uint32_t*)0x20ff3030 = 0; *(uint32_t*)0x20ff3034 = 0; *(uint64_t*)0x20ff3038 = 0x20754fff; *(uint64_t*)0x20ff3040 = 0; *(uint64_t*)0x20ff3048 = 0; *(uint64_t*)0x20ff3050 = 0; *(uint64_t*)0x20ff3058 = 0; *(uint32_t*)0x20ff3060 = 0; *(uint64_t*)0x20ff3068 = 0; *(uint32_t*)0x20ff3070 = 0; *(uint16_t*)0x20ff3074 = 0; *(uint16_t*)0x20ff3076 = 0; syscall(__NR_perf_event_open, 0x20ff3000, 0, 0xffffffff, -1, 0); } int main() { for (;;) { loop(); } }