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File qemu-cvs-ipc_semop.patch of Package qemu
Index: qemu/linux-user/syscall.c ================================================================================ --- qemu/linux-user/syscall.c +++ qemu/linux-user/syscall.c @@ -1983,9 +1983,19 @@ switch (call) { case IPCOP_semop: - ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second)); + { + struct sembuf *target_sops; + int i; + lock_user_struct(VERIFY_READ, target_sops, ptr, 0); + for(i=0; i<second; i++) { + target_sops[i].sem_num = tswap16(target_sops[i].sem_num); + target_sops[i].sem_op = tswap16(target_sops[i].sem_op); + target_sops[i].sem_flg = tswap16(target_sops[i].sem_flg); + } + ret = get_errno(semop(first, target_sops, second)); + unlock_user_struct(target_sops, ptr, 0); break; - + } case IPCOP_semget: ret = get_errno(semget(first, second, third)); break;
