// https://syzkaller.appspot.com/bug?id=2c3de08c218c80f57f98184cf2baa3476d36e3b6 // 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 execute_one(); extern unsigned long long procid; void loop() { while (1) { execute_one(); } } uint64_t r[1] = {0xffffffffffffffff}; void execute_one() { long res = 0; *(uint32_t*)0x20000100 = 5; *(uint32_t*)0x20000104 = 0x70; *(uint8_t*)0x20000108 = 0; *(uint8_t*)0x20000109 = 0; *(uint8_t*)0x2000010a = 0; *(uint8_t*)0x2000010b = 0; *(uint32_t*)0x2000010c = 0; *(uint64_t*)0x20000110 = 0; *(uint64_t*)0x20000118 = 0; *(uint64_t*)0x20000120 = 0; STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 0, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 1, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 2, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 3, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 4, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0xffff, 5, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 6, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 7, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 8, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 9, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 10, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 11, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 12, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 13, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 14, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 15, 2); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 17, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 18, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 19, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 20, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 21, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 22, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 23, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 24, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 25, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 26, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 27, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 28, 1); STORE_BY_BITMASK(uint64_t, 0x20000128, 0, 29, 35); *(uint32_t*)0x20000130 = 0; *(uint32_t*)0x20000134 = 3; *(uint64_t*)0x20000138 = 0x20000000; *(uint64_t*)0x20000140 = 1; *(uint64_t*)0x20000148 = 0; *(uint64_t*)0x20000150 = 0; *(uint32_t*)0x20000158 = 0; *(uint32_t*)0x2000015c = 0; *(uint64_t*)0x20000160 = 0; *(uint32_t*)0x20000168 = 0; *(uint16_t*)0x2000016c = 0; *(uint16_t*)0x2000016e = 0; syscall(__NR_perf_event_open, 0x20000100, 0, 0, -1, 0); res = syscall(__NR_socket, 2, 1, 0); if (res != -1) r[0] = res; *(uint16_t*)0x20000000 = 1; *(uint64_t*)0x20000008 = 0x20000040; *(uint16_t*)0x20000040 = 0; *(uint8_t*)0x20000042 = 0; *(uint8_t*)0x20000043 = 0; *(uint32_t*)0x20000044 = 0; syscall(__NR_setsockopt, r[0], 1, 0x1a, 0x20000000, 0x10); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); for (;;) { loop(); } }