- size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
- ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
- *ptr = size; //save size at beginning of buffer, for use with munmap
- return &ptr[1];
+ size_t size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
+ /* Needs to be 8-byte aligned to prevent SIGBUS on 32-bit ARM */
+ uint64_t *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
+ /* Save size at beginning of buffer, for use with munmap */
+ *ptr = size;
+ return ptr + 1;