// https://syzkaller.appspot.com/bug?id=e22583fc9b213002424cfe2fce0c9ec920edbd30 // 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, 6); if (res != -1) r[0] = res; *(uint64_t*)0x20000280 = 0; *(uint32_t*)0x20000288 = 0; *(uint64_t*)0x20000290 = 0x200067c0; *(uint64_t*)0x200067c0 = 0x20003300; *(uint32_t*)0x20003300 = 0x14; *(uint16_t*)0x20003304 = 0x27; *(uint16_t*)0x20003306 = 1; *(uint32_t*)0x20003308 = 0; *(uint32_t*)0x2000330c = 0; *(uint16_t*)0x20003310 = 4; STORE_BY_BITMASK(uint16_t, , 0x20003312, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20003313, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20003313, 0, 7, 1); *(uint64_t*)0x200067c8 = 0x14; *(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; }