tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c commit: 4ec4190be4cf9cc3e0ccaf5f155a5f9066d18950 kasan, x86: don't rename memintrinsics in uninstrumented files date: 9 months ago config: x86_64-randconfig-a012-20230530 (https://download.01.org/0day-ci/archive/20231116/202311161044.YTQKDdiw-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231116/202311161044.YTQKDdiw-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311161044.YTQKDdiw-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) kernel/fork.c:1110:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *owner @@ got struct task_struct *p @@ kernel/fork.c:1110:19: sparse: expected struct task_struct [noderef] __rcu *owner kernel/fork.c:1110:19: sparse: got struct task_struct *p kernel/fork.c:1334:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct file [noderef] __rcu *__ret @@ got struct file *new_exe_file @@ kernel/fork.c:1334:24: sparse: expected struct file [noderef] __rcu *__ret kernel/fork.c:1334:24: sparse: got struct file *new_exe_file kernel/fork.c:1334:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct file *[assigned] old_exe_file @@ got struct file [noderef] __rcu *[assigned] __ret @@ kernel/fork.c:1334:22: sparse: expected struct file *[assigned] old_exe_file kernel/fork.c:1334:22: sparse: got struct file [noderef] __rcu *[assigned] __ret kernel/fork.c:1662:38: 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:1662:38: sparse: expected struct refcount_struct [usertype] *r kernel/fork.c:1662:38: sparse: got struct refcount_struct [noderef] __rcu * kernel/fork.c:1671:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:1671:31: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:1671:31: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:1672:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@ kernel/fork.c:1672:9: sparse: expected void const * kernel/fork.c:1672:9: sparse: got struct k_sigaction [noderef] __rcu * kernel/fork.c:1672:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@ kernel/fork.c:1672:9: sparse: expected void const * kernel/fork.c:1672:9: sparse: got struct k_sigaction [noderef] __rcu * >> kernel/fork.c:1672:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *q @@ got struct k_sigaction [noderef] __rcu * @@ kernel/fork.c:1672:9: sparse: expected void const *q kernel/fork.c:1672:9: sparse: got struct k_sigaction [noderef] __rcu * kernel/fork.c:1673:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:1673:33: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:1673:33: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2090:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2090:31: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2090:31: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2094:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2094:33: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2094:33: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2414:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *real_parent @@ got struct task_struct * @@ kernel/fork.c:2414:32: sparse: expected struct task_struct [noderef] __rcu *real_parent kernel/fork.c:2414:32: sparse: got struct task_struct * kernel/fork.c:2423:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2423:27: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2423:27: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2472:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct list_head *head @@ got struct list_head [noderef] __rcu * @@ kernel/fork.c:2472:54: sparse: expected struct list_head *head kernel/fork.c:2472:54: sparse: got struct list_head [noderef] __rcu * kernel/fork.c:2494:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2494:29: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2494:29: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2515:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2515:29: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2515:29: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2542:28: 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:2542:28: sparse: expected struct sighand_struct *sighand kernel/fork.c:2542:28: sparse: got struct sighand_struct [noderef] __rcu *sighand kernel/fork.c:2571:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2571:31: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2571:31: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:2573:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/fork.c:2573:33: sparse: expected struct spinlock [usertype] *lock kernel/fork.c:2573:33: sparse: got struct spinlock [noderef] __rcu * kernel/fork.c:3011:24: 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:3011:24: sparse: expected struct task_struct *[assigned] parent kernel/fork.c:3011:24: sparse: got struct task_struct [noderef] __rcu *real_parent kernel/fork.c:3096:43: 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:3096:43: sparse: expected struct refcount_struct const [usertype] *r kernel/fork.c:3096:43: sparse: got struct refcount_struct [noderef] __rcu * kernel/fork.c:1767:9: sparse: sparse: dereference of noderef expression kernel/fork.c:2135:22: sparse: sparse: dereference of noderef expression kernel/fork.c: note: in included file (through include/uapi/asm-generic/bpf_perf_event.h, arch/x86/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:2470:59: sparse: sparse: dereference of noderef expression kernel/fork.c:2471:59: sparse: sparse: dereference of noderef expression kernel/fork.c:1102:23: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/fork.c:1102:23: sparse: struct task_struct [noderef] __rcu * kernel/fork.c:1102:23: sparse: struct task_struct * vim +1672 kernel/fork.c a016f3389c0660 JANAK DESAI 2006-02-07 1656 a39bc51691a0c8 Alexey Dobriyan 2007-10-18 1657 static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1658 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1659 struct sighand_struct *sig; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1660 60348802e9cb13 Zhaolei 2009-01-06 1661 if (clone_flags & CLONE_SIGHAND) { d036bda7d0e726 Elena Reshetova 2019-01-18 1662 refcount_inc(¤t->sighand->count); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1663 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1664 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1665 sig = kmem_cache_alloc(sighand_cachep, GFP_KERNEL); 0c282b068eb26d Madhuparna Bhowmik 2020-01-27 1666 RCU_INIT_POINTER(tsk->sighand, sig); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1667 if (!sig) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1668 return -ENOMEM; 9d7fb04276481c Peter Zijlstra 2015-06-30 1669 d036bda7d0e726 Elena Reshetova 2019-01-18 1670 refcount_set(&sig->count, 1); 06e62a46bbba20 Jann Horn 2018-08-21 @1671 spin_lock_irq(¤t->sighand->siglock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 @1672 memcpy(sig->action, current->sighand->action, sizeof(sig->action)); 06e62a46bbba20 Jann Horn 2018-08-21 1673 spin_unlock_irq(¤t->sighand->siglock); b612e5df4587c9 Christian Brauner 2019-10-14 1674 b612e5df4587c9 Christian Brauner 2019-10-14 1675 /* Reset all signal handler not set to SIG_IGN to SIG_DFL. */ b612e5df4587c9 Christian Brauner 2019-10-14 1676 if (clone_flags & CLONE_CLEAR_SIGHAND) b612e5df4587c9 Christian Brauner 2019-10-14 1677 flush_signal_handlers(tsk, 0); b612e5df4587c9 Christian Brauner 2019-10-14 1678 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1679 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1680 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1681 :::::: The code at line 1672 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
