// autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // socket$inet arguments: [ // domain: const = 0x2 (8 bytes) // type: socket_type = 0x4000000000000001 (8 bytes) // proto: int32 = 0x100 (4 bytes) // ] // returns sock_in res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_STREAM|0x4000000000000000*/ 0x4000000000000001ul, /*proto=*/0x100); if (res != -1) r[0] = res; // sendto$inet arguments: [ // fd: sock_in (resource) // buf: nil // len: len = 0x0 (8 bytes) // f: send_flags = 0x200007fd (8 bytes) // addr: nil // addrlen: len = 0x0 (8 bytes) // ] syscall( __NR_sendto, /*fd=*/r[0], /*buf=*/0ul, /*len=*/0ul, /*f=MSG_FASTOPEN|MSG_PROBE|MSG_OOB|MSG_EOR|MSG_DONTWAIT|MSG_DONTROUTE|0x728*/ 0x200007fdul, /*addr=*/0ul, /*addrlen=*/0ul); // setsockopt$sock_int arguments: [ // fd: sock (resource) // level: const = 0x1 (4 bytes) // optname: sockopt_opt_sock_int = 0x20 (4 bytes) // optval: ptr[in, int32] { // int32 = 0x6 (4 bytes) // } // optlen: len = 0x4 (8 bytes) // ] *(uint32_t*)0x200000000100 = 6; syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/1, /*optname=SO_SNDBUFFORCE*/ 0x20, /*optval=*/0x200000000100ul, /*optlen=*/4ul); return 0; }