// https://syzkaller.appspot.com/bug?id=9ce0cb152359258c4ca473108c4b646c4510b1c2 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off)) #define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \ *(type*)(addr) = \ htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \ (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len)))) uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; res = syscall(__NR_socket, 0x10ul, 3ul, 0xc); if (res != -1) r[0] = res; *(uint64_t*)0x20000280 = 0; *(uint32_t*)0x20000288 = 0; *(uint64_t*)0x20000290 = 0x20000000; *(uint64_t*)0x20000000 = 0x20000040; *(uint32_t*)0x20000040 = 0x5c; *(uint8_t*)0x20000044 = 2; *(uint8_t*)0x20000045 = 6; *(uint16_t*)0x20000046 = 0x101; *(uint32_t*)0x20000048 = 0xe; *(uint32_t*)0x2000004c = 0; *(uint8_t*)0x20000050 = 0; *(uint8_t*)0x20000051 = 0; *(uint16_t*)0x20000052 = htobe16(0); *(uint16_t*)0x20000054 = 5; *(uint16_t*)0x20000056 = 5; *(uint8_t*)0x20000058 = 2; *(uint16_t*)0x2000005c = 5; *(uint16_t*)0x2000005e = 4; *(uint8_t*)0x20000060 = 0; *(uint16_t*)0x20000064 = 5; *(uint16_t*)0x20000066 = 1; *(uint8_t*)0x20000068 = 6; *(uint16_t*)0x2000006c = 0x16; *(uint16_t*)0x2000006e = 3; memcpy((void*)0x20000070, "hash:net,port,net\000", 18); *(uint16_t*)0x20000084 = 9; *(uint16_t*)0x20000086 = 2; memcpy((void*)0x20000088, "syz0\000", 5); *(uint16_t*)0x20000090 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x20000092, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000093, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000093, 1, 7, 1); *(uint16_t*)0x20000094 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000096, 0x12, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000097, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000097, 0, 7, 1); *(uint32_t*)0x20000098 = htobe32(0xe000000); *(uint64_t*)0x20000008 = 0x5c; *(uint64_t*)0x20000298 = 1; *(uint64_t*)0x200002a0 = 0; *(uint64_t*)0x200002a8 = 0; *(uint32_t*)0x200002b0 = 0; syscall(__NR_sendmsg, r[0], 0x20000280ul, 0ul); return 0; }