* [deller-parisc:for-next-maybe2 1/1] kernel/sys.c:2704:4: error: use of undeclared identifier 'errir'; did you mean 'error'?
@ 2023-11-14 2:25 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-11-14 2:25 UTC (permalink / raw)
To: Helge Deller; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git for-next-maybe2
head: 339b41ec357c24c02ed4aed6267dbfd443ee1e8e
commit: 339b41ec357c24c02ed4aed6267dbfd443ee1e8e [1/1] prctl: Temporarily disable prctl(PR_SET_MDWE) on parisc
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20231114/202311141014.HCAk0zYQ-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231114/202311141014.HCAk0zYQ-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311141014.HCAk0zYQ-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/sys.c:10:
In file included from include/linux/mm_inline.h:8:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from kernel/sys.c:10:
In file included from include/linux/mm_inline.h:8:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from kernel/sys.c:10:
In file included from include/linux/mm_inline.h:8:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> kernel/sys.c:2704:4: error: use of undeclared identifier 'errir'; did you mean 'error'?
2704 | errir = -ENODEV;
| ^~~~~
| error
kernel/sys.c:2432:7: note: 'error' declared here
2432 | long error;
| ^
kernel/sys.c:2710:4: error: use of undeclared identifier 'errir'; did you mean 'error'?
2710 | errir = -ENODEV;
| ^~~~~
| error
kernel/sys.c:2432:7: note: 'error' declared here
2432 | long error;
| ^
12 warnings and 2 errors generated.
vim +2704 kernel/sys.c
2426
2427 SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
2428 unsigned long, arg4, unsigned long, arg5)
2429 {
2430 struct task_struct *me = current;
2431 unsigned char comm[sizeof(me->comm)];
2432 long error;
2433
2434 error = security_task_prctl(option, arg2, arg3, arg4, arg5);
2435 if (error != -ENOSYS)
2436 return error;
2437
2438 error = 0;
2439 switch (option) {
2440 case PR_SET_PDEATHSIG:
2441 if (!valid_signal(arg2)) {
2442 error = -EINVAL;
2443 break;
2444 }
2445 me->pdeath_signal = arg2;
2446 break;
2447 case PR_GET_PDEATHSIG:
2448 error = put_user(me->pdeath_signal, (int __user *)arg2);
2449 break;
2450 case PR_GET_DUMPABLE:
2451 error = get_dumpable(me->mm);
2452 break;
2453 case PR_SET_DUMPABLE:
2454 if (arg2 != SUID_DUMP_DISABLE && arg2 != SUID_DUMP_USER) {
2455 error = -EINVAL;
2456 break;
2457 }
2458 set_dumpable(me->mm, arg2);
2459 break;
2460
2461 case PR_SET_UNALIGN:
2462 error = SET_UNALIGN_CTL(me, arg2);
2463 break;
2464 case PR_GET_UNALIGN:
2465 error = GET_UNALIGN_CTL(me, arg2);
2466 break;
2467 case PR_SET_FPEMU:
2468 error = SET_FPEMU_CTL(me, arg2);
2469 break;
2470 case PR_GET_FPEMU:
2471 error = GET_FPEMU_CTL(me, arg2);
2472 break;
2473 case PR_SET_FPEXC:
2474 error = SET_FPEXC_CTL(me, arg2);
2475 break;
2476 case PR_GET_FPEXC:
2477 error = GET_FPEXC_CTL(me, arg2);
2478 break;
2479 case PR_GET_TIMING:
2480 error = PR_TIMING_STATISTICAL;
2481 break;
2482 case PR_SET_TIMING:
2483 if (arg2 != PR_TIMING_STATISTICAL)
2484 error = -EINVAL;
2485 break;
2486 case PR_SET_NAME:
2487 comm[sizeof(me->comm) - 1] = 0;
2488 if (strncpy_from_user(comm, (char __user *)arg2,
2489 sizeof(me->comm) - 1) < 0)
2490 return -EFAULT;
2491 set_task_comm(me, comm);
2492 proc_comm_connector(me);
2493 break;
2494 case PR_GET_NAME:
2495 get_task_comm(comm, me);
2496 if (copy_to_user((char __user *)arg2, comm, sizeof(comm)))
2497 return -EFAULT;
2498 break;
2499 case PR_GET_ENDIAN:
2500 error = GET_ENDIAN(me, arg2);
2501 break;
2502 case PR_SET_ENDIAN:
2503 error = SET_ENDIAN(me, arg2);
2504 break;
2505 case PR_GET_SECCOMP:
2506 error = prctl_get_seccomp();
2507 break;
2508 case PR_SET_SECCOMP:
2509 error = prctl_set_seccomp(arg2, (char __user *)arg3);
2510 break;
2511 case PR_GET_TSC:
2512 error = GET_TSC_CTL(arg2);
2513 break;
2514 case PR_SET_TSC:
2515 error = SET_TSC_CTL(arg2);
2516 break;
2517 case PR_TASK_PERF_EVENTS_DISABLE:
2518 error = perf_event_task_disable();
2519 break;
2520 case PR_TASK_PERF_EVENTS_ENABLE:
2521 error = perf_event_task_enable();
2522 break;
2523 case PR_GET_TIMERSLACK:
2524 if (current->timer_slack_ns > ULONG_MAX)
2525 error = ULONG_MAX;
2526 else
2527 error = current->timer_slack_ns;
2528 break;
2529 case PR_SET_TIMERSLACK:
2530 if (arg2 <= 0)
2531 current->timer_slack_ns =
2532 current->default_timer_slack_ns;
2533 else
2534 current->timer_slack_ns = arg2;
2535 break;
2536 case PR_MCE_KILL:
2537 if (arg4 | arg5)
2538 return -EINVAL;
2539 switch (arg2) {
2540 case PR_MCE_KILL_CLEAR:
2541 if (arg3 != 0)
2542 return -EINVAL;
2543 current->flags &= ~PF_MCE_PROCESS;
2544 break;
2545 case PR_MCE_KILL_SET:
2546 current->flags |= PF_MCE_PROCESS;
2547 if (arg3 == PR_MCE_KILL_EARLY)
2548 current->flags |= PF_MCE_EARLY;
2549 else if (arg3 == PR_MCE_KILL_LATE)
2550 current->flags &= ~PF_MCE_EARLY;
2551 else if (arg3 == PR_MCE_KILL_DEFAULT)
2552 current->flags &=
2553 ~(PF_MCE_EARLY|PF_MCE_PROCESS);
2554 else
2555 return -EINVAL;
2556 break;
2557 default:
2558 return -EINVAL;
2559 }
2560 break;
2561 case PR_MCE_KILL_GET:
2562 if (arg2 | arg3 | arg4 | arg5)
2563 return -EINVAL;
2564 if (current->flags & PF_MCE_PROCESS)
2565 error = (current->flags & PF_MCE_EARLY) ?
2566 PR_MCE_KILL_EARLY : PR_MCE_KILL_LATE;
2567 else
2568 error = PR_MCE_KILL_DEFAULT;
2569 break;
2570 case PR_SET_MM:
2571 error = prctl_set_mm(arg2, arg3, arg4, arg5);
2572 break;
2573 case PR_GET_TID_ADDRESS:
2574 error = prctl_get_tid_address(me, (int __user * __user *)arg2);
2575 break;
2576 case PR_SET_CHILD_SUBREAPER:
2577 me->signal->is_child_subreaper = !!arg2;
2578 if (!arg2)
2579 break;
2580
2581 walk_process_tree(me, propagate_has_child_subreaper, NULL);
2582 break;
2583 case PR_GET_CHILD_SUBREAPER:
2584 error = put_user(me->signal->is_child_subreaper,
2585 (int __user *)arg2);
2586 break;
2587 case PR_SET_NO_NEW_PRIVS:
2588 if (arg2 != 1 || arg3 || arg4 || arg5)
2589 return -EINVAL;
2590
2591 task_set_no_new_privs(current);
2592 break;
2593 case PR_GET_NO_NEW_PRIVS:
2594 if (arg2 || arg3 || arg4 || arg5)
2595 return -EINVAL;
2596 return task_no_new_privs(current) ? 1 : 0;
2597 case PR_GET_THP_DISABLE:
2598 if (arg2 || arg3 || arg4 || arg5)
2599 return -EINVAL;
2600 error = !!test_bit(MMF_DISABLE_THP, &me->mm->flags);
2601 break;
2602 case PR_SET_THP_DISABLE:
2603 if (arg3 || arg4 || arg5)
2604 return -EINVAL;
2605 if (mmap_write_lock_killable(me->mm))
2606 return -EINTR;
2607 if (arg2)
2608 set_bit(MMF_DISABLE_THP, &me->mm->flags);
2609 else
2610 clear_bit(MMF_DISABLE_THP, &me->mm->flags);
2611 mmap_write_unlock(me->mm);
2612 break;
2613 case PR_MPX_ENABLE_MANAGEMENT:
2614 case PR_MPX_DISABLE_MANAGEMENT:
2615 /* No longer implemented: */
2616 return -EINVAL;
2617 case PR_SET_FP_MODE:
2618 error = SET_FP_MODE(me, arg2);
2619 break;
2620 case PR_GET_FP_MODE:
2621 error = GET_FP_MODE(me);
2622 break;
2623 case PR_SVE_SET_VL:
2624 error = SVE_SET_VL(arg2);
2625 break;
2626 case PR_SVE_GET_VL:
2627 error = SVE_GET_VL();
2628 break;
2629 case PR_SME_SET_VL:
2630 error = SME_SET_VL(arg2);
2631 break;
2632 case PR_SME_GET_VL:
2633 error = SME_GET_VL();
2634 break;
2635 case PR_GET_SPECULATION_CTRL:
2636 if (arg3 || arg4 || arg5)
2637 return -EINVAL;
2638 error = arch_prctl_spec_ctrl_get(me, arg2);
2639 break;
2640 case PR_SET_SPECULATION_CTRL:
2641 if (arg4 || arg5)
2642 return -EINVAL;
2643 error = arch_prctl_spec_ctrl_set(me, arg2, arg3);
2644 break;
2645 case PR_PAC_RESET_KEYS:
2646 if (arg3 || arg4 || arg5)
2647 return -EINVAL;
2648 error = PAC_RESET_KEYS(me, arg2);
2649 break;
2650 case PR_PAC_SET_ENABLED_KEYS:
2651 if (arg4 || arg5)
2652 return -EINVAL;
2653 error = PAC_SET_ENABLED_KEYS(me, arg2, arg3);
2654 break;
2655 case PR_PAC_GET_ENABLED_KEYS:
2656 if (arg2 || arg3 || arg4 || arg5)
2657 return -EINVAL;
2658 error = PAC_GET_ENABLED_KEYS(me);
2659 break;
2660 case PR_SET_TAGGED_ADDR_CTRL:
2661 if (arg3 || arg4 || arg5)
2662 return -EINVAL;
2663 error = SET_TAGGED_ADDR_CTRL(arg2);
2664 break;
2665 case PR_GET_TAGGED_ADDR_CTRL:
2666 if (arg2 || arg3 || arg4 || arg5)
2667 return -EINVAL;
2668 error = GET_TAGGED_ADDR_CTRL();
2669 break;
2670 case PR_SET_IO_FLUSHER:
2671 if (!capable(CAP_SYS_RESOURCE))
2672 return -EPERM;
2673
2674 if (arg3 || arg4 || arg5)
2675 return -EINVAL;
2676
2677 if (arg2 == 1)
2678 current->flags |= PR_IO_FLUSHER;
2679 else if (!arg2)
2680 current->flags &= ~PR_IO_FLUSHER;
2681 else
2682 return -EINVAL;
2683 break;
2684 case PR_GET_IO_FLUSHER:
2685 if (!capable(CAP_SYS_RESOURCE))
2686 return -EPERM;
2687
2688 if (arg2 || arg3 || arg4 || arg5)
2689 return -EINVAL;
2690
2691 error = (current->flags & PR_IO_FLUSHER) == PR_IO_FLUSHER;
2692 break;
2693 case PR_SET_SYSCALL_USER_DISPATCH:
2694 error = set_syscall_user_dispatch(arg2, arg3, arg4,
2695 (char __user *) arg5);
2696 break;
2697 #ifdef CONFIG_SCHED_CORE
2698 case PR_SCHED_CORE:
2699 error = sched_core_share_pid(arg2, arg3, arg4, arg5);
2700 break;
2701 #endif
2702 case PR_SET_MDWE:
2703 if (IS_ENABLED(CONFIG_PARISC))
> 2704 errir = -ENODEV;
2705 else
2706 error = prctl_set_mdwe(arg2, arg3, arg4, arg5);
2707 break;
2708 case PR_GET_MDWE:
2709 if (IS_ENABLED(CONFIG_PARISC))
2710 errir = -ENODEV;
2711 else
2712 error = prctl_get_mdwe(arg2, arg3, arg4, arg5);
2713 break;
2714 case PR_SET_VMA:
2715 error = prctl_set_vma(arg2, arg3, arg4, arg5);
2716 break;
2717 case PR_GET_AUXV:
2718 if (arg4 || arg5)
2719 return -EINVAL;
2720 error = prctl_get_auxv((void __user *)arg2, arg3);
2721 break;
2722 #ifdef CONFIG_KSM
2723 case PR_SET_MEMORY_MERGE:
2724 if (arg3 || arg4 || arg5)
2725 return -EINVAL;
2726 if (mmap_write_lock_killable(me->mm))
2727 return -EINTR;
2728
2729 if (arg2)
2730 error = ksm_enable_merge_any(me->mm);
2731 else
2732 error = ksm_disable_merge_any(me->mm);
2733 mmap_write_unlock(me->mm);
2734 break;
2735 case PR_GET_MEMORY_MERGE:
2736 if (arg2 || arg3 || arg4 || arg5)
2737 return -EINVAL;
2738
2739 error = !!test_bit(MMF_VM_MERGE_ANY, &me->mm->flags);
2740 break;
2741 #endif
2742 case PR_RISCV_V_SET_CONTROL:
2743 error = RISCV_V_SET_CONTROL(arg2);
2744 break;
2745 case PR_RISCV_V_GET_CONTROL:
2746 error = RISCV_V_GET_CONTROL();
2747 break;
2748 default:
2749 error = -EINVAL;
2750 break;
2751 }
2752 return error;
2753 }
2754
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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