// https://syzkaller.appspot.com/bug?id=4c36358be4b3df30c3f3b702ade8a6a0fb07f651 // 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*)0x200000c0 = 0; *(uint32_t*)0x200000c8 = 0; *(uint64_t*)0x200000d0 = 0x20000100; *(uint64_t*)0x20000100 = 0x20000240; *(uint32_t*)0x20000240 = 0x5c; *(uint8_t*)0x20000244 = 2; *(uint8_t*)0x20000245 = 6; *(uint16_t*)0x20000246 = 3; *(uint32_t*)0x20000248 = 0xe; *(uint32_t*)0x2000024c = 0; *(uint8_t*)0x20000250 = 0; *(uint8_t*)0x20000251 = 0; *(uint16_t*)0x20000252 = htobe16(0); *(uint16_t*)0x20000254 = 5; *(uint16_t*)0x20000256 = 5; *(uint8_t*)0x20000258 = 2; *(uint16_t*)0x2000025c = 5; *(uint16_t*)0x2000025e = 4; *(uint8_t*)0x20000260 = 0; *(uint16_t*)0x20000264 = 5; *(uint16_t*)0x20000266 = 1; *(uint8_t*)0x20000268 = 6; *(uint16_t*)0x2000026c = 0x15; *(uint16_t*)0x2000026e = 3; memcpy((void*)0x20000270, "hash:ip,port,net\000", 17); *(uint16_t*)0x20000284 = 9; *(uint16_t*)0x20000286 = 2; memcpy((void*)0x20000288, "syz2\000", 5); *(uint16_t*)0x20000290 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x20000292, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000293, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000293, 1, 7, 1); *(uint16_t*)0x20000294 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000296, 0x12, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000297, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000297, 0, 7, 1); *(uint32_t*)0x20000298 = htobe32(0x9000000); *(uint64_t*)0x20000108 = 0x5c; *(uint64_t*)0x200000d8 = 1; *(uint64_t*)0x200000e0 = 0; *(uint64_t*)0x200000e8 = 0; *(uint32_t*)0x200000f0 = 0; syscall(__NR_sendmsg, r[0], 0x200000c0ul, 0ul); return 0; }