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(envelope-from ) id 1r3MCL-0000mO-1d; Wed, 15 Nov 2023 20:09:17 +0000 Date: Thu, 16 Nov 2023 04:08:36 +0800 From: kernel test robot To: Marco Elver Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List , Andrey Konovalov Subject: kernel/fork.c:1672:9: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202311160303.gMReH4xS-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 1E686A001F X-Stat-Signature: 9xpfr58htfkwb7nys9az5ynse5sdu3uj X-Rspam-User: X-HE-Tag: 1700078963-337727 X-HE-Meta: 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gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231116/202311160303.gMReH4xS-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202311160303.gMReH4xS-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) 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 -- drivers/acpi/apei/erst.c:272:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *src @@ got void [noderef] __iomem * @@ drivers/acpi/apei/erst.c:272:13: sparse: expected void *src drivers/acpi/apei/erst.c:272:13: sparse: got void [noderef] __iomem * drivers/acpi/apei/erst.c:275:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *dst @@ got void [noderef] __iomem * @@ drivers/acpi/apei/erst.c:275:13: sparse: expected void *dst drivers/acpi/apei/erst.c:275:13: sparse: got void [noderef] __iomem * drivers/acpi/apei/erst.c:277:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *src @@ drivers/acpi/apei/erst.c:277:25: sparse: expected void volatile [noderef] __iomem *addr drivers/acpi/apei/erst.c:277:25: sparse: got void *src drivers/acpi/apei/erst.c:283:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *src @@ drivers/acpi/apei/erst.c:283:17: sparse: expected void volatile [noderef] __iomem *addr drivers/acpi/apei/erst.c:283:17: sparse: got void *src drivers/acpi/apei/erst.c:284:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *dst @@ drivers/acpi/apei/erst.c:284:17: sparse: expected void volatile [noderef] __iomem *addr drivers/acpi/apei/erst.c:284:17: sparse: got void *dst >> drivers/acpi/apei/erst.c:792:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [toplevel] vaddr @@ drivers/acpi/apei/erst.c:792:9: sparse: expected void const * drivers/acpi/apei/erst.c:792:9: sparse: got void [noderef] __iomem *static [toplevel] vaddr >> drivers/acpi/apei/erst.c:792:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [toplevel] vaddr @@ drivers/acpi/apei/erst.c:792:9: sparse: expected void const * drivers/acpi/apei/erst.c:792:9: sparse: got void [noderef] __iomem *static [toplevel] vaddr >> drivers/acpi/apei/erst.c:792:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *static [toplevel] vaddr @@ drivers/acpi/apei/erst.c:792:9: sparse: expected void *p drivers/acpi/apei/erst.c:792:9: sparse: got void [noderef] __iomem *static [toplevel] vaddr drivers/acpi/apei/erst.c:793:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cper_record_header *rcd_erange @@ got void [noderef] __iomem *static [toplevel] vaddr @@ drivers/acpi/apei/erst.c:793:20: sparse: expected struct cper_record_header *rcd_erange drivers/acpi/apei/erst.c:793:20: sparse: got void [noderef] __iomem *static [toplevel] vaddr drivers/acpi/apei/erst.c:830:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cper_record_header *rcd_tmp @@ got void [noderef] __iomem * @@ drivers/acpi/apei/erst.c:830:17: sparse: expected struct cper_record_header *rcd_tmp drivers/acpi/apei/erst.c:830:17: sparse: got void [noderef] __iomem * 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 :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki