* Re: [PATCH v4 3/7] futex: Use explicit sizes for compat_exit_robust_list
[not found] <20250520-tonyk-robust_futex-v4-3-1123093e59de@igalia.com>
@ 2025-05-21 13:32 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-21 13:32 UTC (permalink / raw)
To: André Almeida, Thomas Gleixner, Ingo Molnar, Peter Zijlstra,
Darren Hart, Davidlohr Bueso, Shuah Khan, Arnd Bergmann,
Sebastian Andrzej Siewior, Waiman Long
Cc: llvm, oe-kbuild-all, linux-kernel, linux-kselftest, linux-api,
André Almeida
Hi André,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 3ee84e3dd88e39b55b534e17a7b9a181f1d46809]
url: https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/selftests-futex-Add-ASSERT_-macros/20250521-045231
base: 3ee84e3dd88e39b55b534e17a7b9a181f1d46809
patch link: https://lore.kernel.org/r/20250520-tonyk-robust_futex-v4-3-1123093e59de%40igalia.com
patch subject: [PATCH v4 3/7] futex: Use explicit sizes for compat_exit_robust_list
config: arm-randconfig-002-20250521 (https://download.01.org/0day-ci/archive/20250521/202505212147.5qoTgcmU-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250521/202505212147.5qoTgcmU-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/202505212147.5qoTgcmU-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from io_uring/notif.c:9:
In file included from io_uring/notif.h:5:
In file included from include/net/sock.h:46:
In file included from include/linux/netdevice.h:44:
In file included from include/uapi/linux/neighbour.h:6:
In file included from include/linux/netlink.h:9:
In file included from include/net/scm.h:13:
In file included from include/net/compat.h:8:
>> include/linux/compat.h:665:35: warning: declaration of 'struct robust_list_head32' will not be visible outside of this function [-Wvisibility]
665 | compat_sys_set_robust_list(struct robust_list_head32 __user *head,
| ^
1 warning generated.
--
In file included from io_uring/uring_cmd.c:9:
In file included from include/net/sock.h:46:
In file included from include/linux/netdevice.h:44:
In file included from include/uapi/linux/neighbour.h:6:
In file included from include/linux/netlink.h:9:
In file included from include/net/scm.h:13:
In file included from include/net/compat.h:8:
>> include/linux/compat.h:665:35: warning: declaration of 'struct robust_list_head32' will not be visible outside of this function [-Wvisibility]
665 | compat_sys_set_robust_list(struct robust_list_head32 __user *head,
| ^
io_uring/uring_cmd.c:311:19: warning: unused function 'io_uring_cmd_getsockopt' [-Wunused-function]
311 | static inline int io_uring_cmd_getsockopt(struct socket *sock,
| ^~~~~~~~~~~~~~~~~~~~~~~
io_uring/uring_cmd.c:338:19: warning: unused function 'io_uring_cmd_setsockopt' [-Wunused-function]
338 | static inline int io_uring_cmd_setsockopt(struct socket *sock,
| ^~~~~~~~~~~~~~~~~~~~~~~
3 warnings generated.
vim +665 include/linux/compat.h
621
622 #ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64
623 asmlinkage long compat_sys_pwritev64(unsigned long fd,
624 const struct iovec __user *vec,
625 unsigned long vlen, loff_t pos);
626 #endif
627 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
628 compat_off_t __user *offset, compat_size_t count);
629 asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd,
630 compat_loff_t __user *offset, compat_size_t count);
631 asmlinkage long compat_sys_pselect6_time32(int n, compat_ulong_t __user *inp,
632 compat_ulong_t __user *outp,
633 compat_ulong_t __user *exp,
634 struct old_timespec32 __user *tsp,
635 void __user *sig);
636 asmlinkage long compat_sys_pselect6_time64(int n, compat_ulong_t __user *inp,
637 compat_ulong_t __user *outp,
638 compat_ulong_t __user *exp,
639 struct __kernel_timespec __user *tsp,
640 void __user *sig);
641 asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds,
642 unsigned int nfds,
643 struct old_timespec32 __user *tsp,
644 const compat_sigset_t __user *sigmask,
645 compat_size_t sigsetsize);
646 asmlinkage long compat_sys_ppoll_time64(struct pollfd __user *ufds,
647 unsigned int nfds,
648 struct __kernel_timespec __user *tsp,
649 const compat_sigset_t __user *sigmask,
650 compat_size_t sigsetsize);
651 asmlinkage long compat_sys_signalfd4(int ufd,
652 const compat_sigset_t __user *sigmask,
653 compat_size_t sigsetsize, int flags);
654 asmlinkage long compat_sys_newfstatat(unsigned int dfd,
655 const char __user *filename,
656 struct compat_stat __user *statbuf,
657 int flag);
658 asmlinkage long compat_sys_newfstat(unsigned int fd,
659 struct compat_stat __user *statbuf);
660 /* No generic prototype for sync_file_range and sync_file_range2 */
661 asmlinkage long compat_sys_waitid(int, compat_pid_t,
662 struct compat_siginfo __user *, int,
663 struct compat_rusage __user *);
664 asmlinkage long
> 665 compat_sys_set_robust_list(struct robust_list_head32 __user *head,
666 compat_size_t len);
667 asmlinkage long
668 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
669 compat_size_t __user *len_ptr);
670 asmlinkage long compat_sys_getitimer(int which,
671 struct old_itimerval32 __user *it);
672 asmlinkage long compat_sys_setitimer(int which,
673 struct old_itimerval32 __user *in,
674 struct old_itimerval32 __user *out);
675 asmlinkage long compat_sys_kexec_load(compat_ulong_t entry,
676 compat_ulong_t nr_segments,
677 struct compat_kexec_segment __user *,
678 compat_ulong_t flags);
679 asmlinkage long compat_sys_timer_create(clockid_t which_clock,
680 struct compat_sigevent __user *timer_event_spec,
681 timer_t __user *created_timer_id);
682 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
683 compat_long_t addr, compat_long_t data);
684 asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
685 unsigned int len,
686 compat_ulong_t __user *user_mask_ptr);
687 asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
688 unsigned int len,
689 compat_ulong_t __user *user_mask_ptr);
690 asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
691 compat_stack_t __user *uoss_ptr);
692 asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
693 compat_size_t sigsetsize);
694 #ifndef CONFIG_ODD_RT_SIGACTION
695 asmlinkage long compat_sys_rt_sigaction(int,
696 const struct compat_sigaction __user *,
697 struct compat_sigaction __user *,
698 compat_size_t);
699 #endif
700 asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
701 compat_sigset_t __user *oset,
702 compat_size_t sigsetsize);
703 asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
704 compat_size_t sigsetsize);
705 asmlinkage long compat_sys_rt_sigtimedwait_time32(compat_sigset_t __user *uthese,
706 struct compat_siginfo __user *uinfo,
707 struct old_timespec32 __user *uts, compat_size_t sigsetsize);
708 asmlinkage long compat_sys_rt_sigtimedwait_time64(compat_sigset_t __user *uthese,
709 struct compat_siginfo __user *uinfo,
710 struct __kernel_timespec __user *uts, compat_size_t sigsetsize);
711 asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
712 struct compat_siginfo __user *uinfo);
713 /* No generic prototype for rt_sigreturn */
714 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
715 asmlinkage long compat_sys_getrlimit(unsigned int resource,
716 struct compat_rlimit __user *rlim);
717 asmlinkage long compat_sys_setrlimit(unsigned int resource,
718 struct compat_rlimit __user *rlim);
719 asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
720 asmlinkage long compat_sys_gettimeofday(struct old_timeval32 __user *tv,
721 struct timezone __user *tz);
722 asmlinkage long compat_sys_settimeofday(struct old_timeval32 __user *tv,
723 struct timezone __user *tz);
724 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
725 asmlinkage long compat_sys_mq_open(const char __user *u_name,
726 int oflag, compat_mode_t mode,
727 struct compat_mq_attr __user *u_attr);
728 asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
729 const struct compat_sigevent __user *u_notification);
730 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
731 const struct compat_mq_attr __user *u_mqstat,
732 struct compat_mq_attr __user *u_omqstat);
733 asmlinkage long compat_sys_msgctl(int first, int second, void __user *uptr);
734 asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp,
735 compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg);
736 asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp,
737 compat_ssize_t msgsz, int msgflg);
738 asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
739 asmlinkage long compat_sys_shmctl(int first, int second, void __user *uptr);
740 asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
741 asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len,
742 unsigned flags, struct sockaddr __user *addr,
743 int __user *addrlen);
744 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
745 unsigned flags);
746 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
747 unsigned int flags);
748 /* No generic prototype for readahead */
749 asmlinkage long compat_sys_keyctl(u32 option,
750 u32 arg2, u32 arg3, u32 arg4, u32 arg5);
751 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
752 const compat_uptr_t __user *envp);
753 /* No generic prototype for fadvise64_64 */
754 /* CONFIG_MMU only */
755 asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid,
756 compat_pid_t pid, int sig,
757 struct compat_siginfo __user *uinfo);
758 asmlinkage long compat_sys_recvmmsg_time64(int fd, struct compat_mmsghdr __user *mmsg,
759 unsigned vlen, unsigned int flags,
760 struct __kernel_timespec __user *timeout);
761 asmlinkage long compat_sys_recvmmsg_time32(int fd, struct compat_mmsghdr __user *mmsg,
762 unsigned vlen, unsigned int flags,
763 struct old_timespec32 __user *timeout);
764 asmlinkage long compat_sys_wait4(compat_pid_t pid,
765 compat_uint_t __user *stat_addr, int options,
766 struct compat_rusage __user *ru);
767 asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
768 int, const char __user *);
769 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
770 struct file_handle __user *handle,
771 int flags);
772 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
773 unsigned vlen, unsigned int flags);
774 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename,
775 const compat_uptr_t __user *argv,
776 const compat_uptr_t __user *envp, int flags);
777 asmlinkage ssize_t compat_sys_preadv2(compat_ulong_t fd,
778 const struct iovec __user *vec,
779 compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags);
780 asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd,
781 const struct iovec __user *vec,
782 compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags);
783 #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64V2
784 asmlinkage long compat_sys_preadv64v2(unsigned long fd,
785 const struct iovec __user *vec,
786 unsigned long vlen, loff_t pos, rwf_t flags);
787 #endif
788
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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