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Message-ID: <202412140502.R7mSLuL5-lkp@intel.com>
Date: Sat, 14 Dec 2024 05:13:53 +0800
From: kernel test robot <lkp@...el.com>
To: Guo Ren <guoren@...ux.alibaba.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Palmer Dabbelt <palmer@...osinc.com>,
Leonardo Bras <leobras@...hat.com>,
Andrew Jones <ajones@...tanamicro.com>,
Andrea Parri <parri.andrea@...il.com>
Subject: kernel/fork.c:1895:9: sparse: sparse: incorrect type in argument 1
(different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 243f750a2df0662bc45119f9dd5d7da031a17f36
commit: cbe82e140bb76e1aa9f808cc841654a25b70d4e5 asm-generic: ticket-lock: Reuse arch_spinlock_t of qspinlock
date: 5 weeks ago
config: riscv-randconfig-r112-20241213 (https://download.01.org/0day-ci/archive/20241214/202412140502.R7mSLuL5-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241214/202412140502.R7mSLuL5-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412140502.R7mSLuL5-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/fork.c:1790:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct refcount_struct [usertype] *r @@ got struct refcount_struct [noderef] __rcu * @@
kernel/fork.c:1790:38: sparse: expected struct refcount_struct [usertype] *r
kernel/fork.c:1790:38: sparse: got struct refcount_struct [noderef] __rcu *
kernel/fork.c:1799:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:1799:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:1799:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:1800:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@
kernel/fork.c:1800:9: sparse: expected void const *
kernel/fork.c:1800:9: sparse: got struct k_sigaction [noderef] __rcu *
kernel/fork.c:1800:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@
kernel/fork.c:1800:9: sparse: expected void const *
kernel/fork.c:1800:9: sparse: got struct k_sigaction [noderef] __rcu *
kernel/fork.c:1800:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@
kernel/fork.c:1800:9: sparse: expected void const *
kernel/fork.c:1800:9: sparse: got struct k_sigaction [noderef] __rcu *
kernel/fork.c:1801:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:1801:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:1801:33: sparse: got struct spinlock [noderef] __rcu *
>> kernel/fork.c:1895:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/fork.c:1895:9: sparse: expected struct qspinlock [usertype] *lock
kernel/fork.c:1895:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/fork.c:2193:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2193:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2193:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2197:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2197:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2197:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2511:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *real_parent @@ got struct task_struct * @@
kernel/fork.c:2511:32: sparse: expected struct task_struct [noderef] __rcu *real_parent
kernel/fork.c:2511:32: sparse: got struct task_struct *
kernel/fork.c:2520:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2520:27: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2520:27: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2569:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct list_head *head @@ got struct list_head [noderef] __rcu * @@
kernel/fork.c:2569:54: sparse: expected struct list_head *head
kernel/fork.c:2569:54: sparse: got struct list_head [noderef] __rcu *
kernel/fork.c:2589:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2589:29: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2589:29: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2611:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2611:29: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2611:29: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2639:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@
kernel/fork.c:2639:28: sparse: expected struct sighand_struct *sighand
kernel/fork.c:2639:28: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/fork.c:2670:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2670:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2670:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2672:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2672:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2672:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:3115:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *[assigned] parent @@ got struct task_struct [noderef] __rcu *real_parent @@
kernel/fork.c:3115:24: sparse: expected struct task_struct *[assigned] parent
kernel/fork.c:3115:24: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/fork.c:3203:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct refcount_struct const [usertype] *r @@ got struct refcount_struct [noderef] __rcu * @@
kernel/fork.c:3203:43: sparse: expected struct refcount_struct const [usertype] *r
kernel/fork.c:3203:43: sparse: got struct refcount_struct [noderef] __rcu *
kernel/fork.c:2243:22: sparse: sparse: dereference of noderef expression
kernel/fork.c: note: in included file (through include/linux/ftrace.h, include/linux/perf_event.h, include/linux/trace_events.h, ...):
include/linux/ptrace.h:210:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *new_parent @@ got struct task_struct [noderef] __rcu *parent @@
include/linux/ptrace.h:210:45: sparse: expected struct task_struct *new_parent
include/linux/ptrace.h:210:45: sparse: got struct task_struct [noderef] __rcu *parent
include/linux/ptrace.h:210:62: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct cred const *ptracer_cred @@ got struct cred const [noderef] __rcu *ptracer_cred @@
include/linux/ptrace.h:210:62: sparse: expected struct cred const *ptracer_cred
include/linux/ptrace.h:210:62: sparse: got struct cred const [noderef] __rcu *ptracer_cred
kernel/fork.c:2567:59: sparse: sparse: dereference of noderef expression
kernel/fork.c:2568:59: sparse: sparse: dereference of noderef expression
--
kernel/seccomp.c:579:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:579:27: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:579:27: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:583:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:583:29: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:583:29: sparse: got struct spinlock [noderef] __rcu *
>> kernel/seccomp.c:895:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:895:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:895:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:1396:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1396:31: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1396:31: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:1408:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1408:33: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1408:33: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:1980:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1980:31: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1980:31: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:1998:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1998:33: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1998:33: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:495:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:495:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:495:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:602:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:602:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:602:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:453:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:453:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:453:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:439:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:439:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:439:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:453:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:453:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:453:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:439:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:439:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:439:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c:453:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock [usertype] *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/seccomp.c:453:9: sparse: expected struct qspinlock [usertype] *lock
kernel/seccomp.c:453:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/seccomp.c: note: in included file (through include/linux/ptrace.h, include/linux/audit.h):
include/linux/sched/signal.h:753:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:753:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:753:37: sparse: got struct spinlock [noderef] __rcu *
include/linux/sched/signal.h:753:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:753:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:753:37: sparse: got struct spinlock [noderef] __rcu *
vim +1895 kernel/fork.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 1885
dbd952127d11bb Kees Cook 2014-06-27 1886 static void copy_seccomp(struct task_struct *p)
dbd952127d11bb Kees Cook 2014-06-27 1887 {
dbd952127d11bb Kees Cook 2014-06-27 1888 #ifdef CONFIG_SECCOMP
dbd952127d11bb Kees Cook 2014-06-27 1889 /*
dbd952127d11bb Kees Cook 2014-06-27 1890 * Must be called with sighand->lock held, which is common to
dbd952127d11bb Kees Cook 2014-06-27 1891 * all threads in the group. Holding cred_guard_mutex is not
dbd952127d11bb Kees Cook 2014-06-27 1892 * needed because this new task is not yet running and cannot
dbd952127d11bb Kees Cook 2014-06-27 1893 * be racing exec.
dbd952127d11bb Kees Cook 2014-06-27 1894 */
69f6a34bdeea4f Guenter Roeck 2014-08-10 @1895 assert_spin_locked(¤t->sighand->siglock);
dbd952127d11bb Kees Cook 2014-06-27 1896
dbd952127d11bb Kees Cook 2014-06-27 1897 /* Ref-count the new filter user, and assign it. */
dbd952127d11bb Kees Cook 2014-06-27 1898 get_seccomp_filter(current);
dbd952127d11bb Kees Cook 2014-06-27 1899 p->seccomp = current->seccomp;
dbd952127d11bb Kees Cook 2014-06-27 1900
dbd952127d11bb Kees Cook 2014-06-27 1901 /*
dbd952127d11bb Kees Cook 2014-06-27 1902 * Explicitly enable no_new_privs here in case it got set
dbd952127d11bb Kees Cook 2014-06-27 1903 * between the task_struct being duplicated and holding the
dbd952127d11bb Kees Cook 2014-06-27 1904 * sighand lock. The seccomp state and nnp must be in sync.
dbd952127d11bb Kees Cook 2014-06-27 1905 */
dbd952127d11bb Kees Cook 2014-06-27 1906 if (task_no_new_privs(current))
dbd952127d11bb Kees Cook 2014-06-27 1907 task_set_no_new_privs(p);
dbd952127d11bb Kees Cook 2014-06-27 1908
dbd952127d11bb Kees Cook 2014-06-27 1909 /*
dbd952127d11bb Kees Cook 2014-06-27 1910 * If the parent gained a seccomp mode after copying thread
dbd952127d11bb Kees Cook 2014-06-27 1911 * flags and between before we held the sighand lock, we have
dbd952127d11bb Kees Cook 2014-06-27 1912 * to manually enable the seccomp thread flag here.
dbd952127d11bb Kees Cook 2014-06-27 1913 */
dbd952127d11bb Kees Cook 2014-06-27 1914 if (p->seccomp.mode != SECCOMP_MODE_DISABLED)
23d67a54857a76 Gabriel Krisman Bertazi 2020-11-16 1915 set_task_syscall_work(p, SECCOMP);
dbd952127d11bb Kees Cook 2014-06-27 1916 #endif
dbd952127d11bb Kees Cook 2014-06-27 1917 }
dbd952127d11bb Kees Cook 2014-06-27 1918
:::::: The code at line 1895 was first introduced by commit
:::::: 69f6a34bdeea4fec50bb90619bc9602973119572 seccomp: Replace BUG(!spin_is_locked()) with assert_spin_lock
:::::: TO: Guenter Roeck <linux@...ck-us.net>
:::::: CC: Kees Cook <keescook@...omium.org>
--
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