* [arnd-asm-generic:syscall-tbl-6.9 43/46] kernel/fork.c:3087:2: sparse: sparse: clone3() entry point is missing, please fix
@ 2024-05-15 5:34 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-05-15 5:34 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence static check warning: kernel/fork.c:3087:2: sparse: sparse: clone3() entry point is missing, please fix"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-arch@vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git syscall-tbl-6.9
head: e0d7a2fe9b74052a280531e773ebaba59e2d523f
commit: 6bca3b47be851b7e05f0117d8022a0daabc84c72 [43/46] clone3: drop __ARCH_WANT_SYS_CLONE3 macro
:::::: branch date: 6 days ago
:::::: commit date: 7 days ago
config: alpha-randconfig-r133-20240515 (https://download.01.org/0day-ci/archive/20240515/202405151354.mPycoB6W-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240515/202405151354.mPycoB6W-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/r/202405151354.mPycoB6W-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> kernel/fork.c:3087:2: sparse: sparse: clone3() entry point is missing, please fix
kernel/fork.c:1242:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *owner @@ got struct task_struct *p @@
kernel/fork.c:1242:19: sparse: expected struct task_struct [noderef] __rcu *owner
kernel/fork.c:1242:19: sparse: got struct task_struct *p
kernel/fork.c:1806:38: 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:1806:38: sparse: expected struct refcount_struct [usertype] *r
kernel/fork.c:1806:38: sparse: got struct refcount_struct [noderef] __rcu *
kernel/fork.c:1815:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:1815:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:1815:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:1816:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@
kernel/fork.c:1816:36: sparse: expected void const *
kernel/fork.c:1816:36: sparse: got struct k_sigaction [noderef] __rcu *
kernel/fork.c:1817:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:1817:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:1817:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2209:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2209:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2209:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2213:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2213:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2213:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2526:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *real_parent @@ got struct task_struct *task @@
kernel/fork.c:2526:32: sparse: expected struct task_struct [noderef] __rcu *real_parent
kernel/fork.c:2526:32: sparse: got struct task_struct *task
kernel/fork.c:2535:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2535:27: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2535:27: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2584:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct list_head *head @@ got struct list_head [noderef] __rcu * @@
kernel/fork.c:2584:54: sparse: expected struct list_head *head
kernel/fork.c:2584:54: sparse: got struct list_head [noderef] __rcu *
kernel/fork.c:2604:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2604:29: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2604:29: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2626:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2626:29: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2626:29: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2653:28: 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:2653:28: sparse: expected struct sighand_struct *sighand
kernel/fork.c:2653:28: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/fork.c:2682:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2682:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2682:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2684:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2684:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2684:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:3127:24: 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:3127:24: sparse: expected struct task_struct *[assigned] parent
kernel/fork.c:3127:24: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/fork.c:3215:43: 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:3215:43: sparse: expected struct refcount_struct const [usertype] *r
kernel/fork.c:3215:43: sparse: got struct refcount_struct [noderef] __rcu *
kernel/fork.c:2259:22: sparse: sparse: dereference of noderef expression
kernel/fork.c: note: in included file (through include/uapi/asm-generic/bpf_perf_event.h, arch/alpha/include/generated/uapi/asm/bpf_perf_event.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:2582:59: sparse: sparse: dereference of noderef expression
kernel/fork.c:2583:59: sparse: sparse: dereference of noderef expression
kernel/fork.c:1234:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/fork.c:1234:23: sparse: struct task_struct [noderef] __rcu *
kernel/fork.c:1234:23: sparse: struct task_struct *
vim +3087 kernel/fork.c
7f192e3cd316ba Christian Brauner 2019-05-25 3067
501bd0166eb949 Christian Brauner 2019-09-27 3068 /**
ff0712ea71f173 Matthew Wilcox (Oracle 2023-08-24 3069) * sys_clone3 - create a new process with specific properties
501bd0166eb949 Christian Brauner 2019-09-27 3070 * @uargs: argument structure
501bd0166eb949 Christian Brauner 2019-09-27 3071 * @size: size of @uargs
501bd0166eb949 Christian Brauner 2019-09-27 3072 *
501bd0166eb949 Christian Brauner 2019-09-27 3073 * clone3() is the extensible successor to clone()/clone2().
501bd0166eb949 Christian Brauner 2019-09-27 3074 * It takes a struct as argument that is versioned by its size.
501bd0166eb949 Christian Brauner 2019-09-27 3075 *
501bd0166eb949 Christian Brauner 2019-09-27 3076 * Return: On success, a positive PID for the child process.
501bd0166eb949 Christian Brauner 2019-09-27 3077 * On error, a negative errno number.
501bd0166eb949 Christian Brauner 2019-09-27 3078 */
7f192e3cd316ba Christian Brauner 2019-05-25 3079 SYSCALL_DEFINE2(clone3, struct clone_args __user *, uargs, size_t, size)
7f192e3cd316ba Christian Brauner 2019-05-25 3080 {
7f192e3cd316ba Christian Brauner 2019-05-25 3081 int err;
7f192e3cd316ba Christian Brauner 2019-05-25 3082
7f192e3cd316ba Christian Brauner 2019-05-25 3083 struct kernel_clone_args kargs;
49cb2fc42ce4b7 Adrian Reber 2019-11-15 3084 pid_t set_tid[MAX_PID_NS_LEVEL];
49cb2fc42ce4b7 Adrian Reber 2019-11-15 3085
6bca3b47be851b Arnd Bergmann 2024-05-08 3086 #ifdef __ARCH_BROKEN_SYS_CLONE3
6bca3b47be851b Arnd Bergmann 2024-05-08 @3087 #warning clone3() entry point is missing, please fix
6bca3b47be851b Arnd Bergmann 2024-05-08 3088 return -ENOSYS;
6bca3b47be851b Arnd Bergmann 2024-05-08 3089 #endif
6bca3b47be851b Arnd Bergmann 2024-05-08 3090
49cb2fc42ce4b7 Adrian Reber 2019-11-15 3091 kargs.set_tid = set_tid;
7f192e3cd316ba Christian Brauner 2019-05-25 3092
7f192e3cd316ba Christian Brauner 2019-05-25 3093 err = copy_clone_args_from_user(&kargs, uargs, size);
7f192e3cd316ba Christian Brauner 2019-05-25 3094 if (err)
7f192e3cd316ba Christian Brauner 2019-05-25 3095 return err;
7f192e3cd316ba Christian Brauner 2019-05-25 3096
7f192e3cd316ba Christian Brauner 2019-05-25 3097 if (!clone3_args_valid(&kargs))
7f192e3cd316ba Christian Brauner 2019-05-25 3098 return -EINVAL;
7f192e3cd316ba Christian Brauner 2019-05-25 3099
cad6967ac10843 Christian Brauner 2020-08-19 3100 return kernel_clone(&kargs);
d2125043aebf7f Al Viro 2012-10-23 3101 }
d2125043aebf7f Al Viro 2012-10-23 3102
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-05-15 5:34 [arnd-asm-generic:syscall-tbl-6.9 43/46] kernel/fork.c:3087:2: sparse: sparse: clone3() entry point is missing, please fix kernel test robot
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