[kees:kspp/memcpy/next-20210803/v2-devel 42/86] drivers/acpi/apei/erst.c:792:9: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Sat Aug 14 2021 - 09:52:21 EST

tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git kspp/memcpy/next-20210803/v2-devel
head: 4752984fc24104f399e70f99d48afa047d86a381
commit: 21b2d9d06a3a4d6bfafc9cfe88fcfa1a48e95162 [42/86] fortify: Detect struct member overflows in memcpy() at compile-time
config: x86_64-randconfig-s022-20210814 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-348-gf0e6938b-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id=21b2d9d06a3a4d6bfafc9cfe88fcfa1a48e95162
git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
git fetch --no-tags kees kspp/memcpy/next-20210803/v2-devel
git checkout 21b2d9d06a3a4d6bfafc9cfe88fcfa1a48e95162
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
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 * @@ got void [noderef] __iomem *static [toplevel] vaddr @@
drivers/acpi/apei/erst.c:792:9: sparse: expected void *
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 +792 drivers/acpi/apei/erst.c

a08f82d08053fb Huang Ying 2010-05-18 766
a08f82d08053fb Huang Ying 2010-05-18 767 int erst_write(const struct cper_record_header *record)
a08f82d08053fb Huang Ying 2010-05-18 768 {
a08f82d08053fb Huang Ying 2010-05-18 769 int rc;
a08f82d08053fb Huang Ying 2010-05-18 770 unsigned long flags;
a08f82d08053fb Huang Ying 2010-05-18 771 struct cper_record_header *rcd_erange;
a08f82d08053fb Huang Ying 2010-05-18 772
a08f82d08053fb Huang Ying 2010-05-18 773 if (erst_disable)
a08f82d08053fb Huang Ying 2010-05-18 774 return -ENODEV;
a08f82d08053fb Huang Ying 2010-05-18 775
a08f82d08053fb Huang Ying 2010-05-18 776 if (memcmp(record->signature, CPER_SIG_RECORD, CPER_SIG_SIZE))
a08f82d08053fb Huang Ying 2010-05-18 777 return -EINVAL;
a08f82d08053fb Huang Ying 2010-05-18 778
a08f82d08053fb Huang Ying 2010-05-18 779 if (erst_erange.attr & ERST_RANGE_NVRAM) {
3b38bb5f7f0635 Huang Ying 2010-12-02 780 if (!raw_spin_trylock_irqsave(&erst_lock, flags))
a08f82d08053fb Huang Ying 2010-05-18 781 return -EBUSY;
a08f82d08053fb Huang Ying 2010-05-18 782 rc = __erst_write_to_nvram(record);
3b38bb5f7f0635 Huang Ying 2010-12-02 783 raw_spin_unlock_irqrestore(&erst_lock, flags);
a08f82d08053fb Huang Ying 2010-05-18 784 return rc;
a08f82d08053fb Huang Ying 2010-05-18 785 }
a08f82d08053fb Huang Ying 2010-05-18 786
a08f82d08053fb Huang Ying 2010-05-18 787 if (record->record_length > erst_erange.size)
a08f82d08053fb Huang Ying 2010-05-18 788 return -EINVAL;
a08f82d08053fb Huang Ying 2010-05-18 789
3b38bb5f7f0635 Huang Ying 2010-12-02 790 if (!raw_spin_trylock_irqsave(&erst_lock, flags))
a08f82d08053fb Huang Ying 2010-05-18 791 return -EBUSY;
a08f82d08053fb Huang Ying 2010-05-18 @792 memcpy(erst_erange.vaddr, record, record->record_length);
a08f82d08053fb Huang Ying 2010-05-18 793 rcd_erange = erst_erange.vaddr;
a08f82d08053fb Huang Ying 2010-05-18 794 /* signature for serialization system */
a08f82d08053fb Huang Ying 2010-05-18 795 memcpy(&rcd_erange->persistence_information, "ER", 2);
a08f82d08053fb Huang Ying 2010-05-18 796
a08f82d08053fb Huang Ying 2010-05-18 797 rc = __erst_write_to_storage(0);
3b38bb5f7f0635 Huang Ying 2010-12-02 798 raw_spin_unlock_irqrestore(&erst_lock, flags);
a08f82d08053fb Huang Ying 2010-05-18 799
a08f82d08053fb Huang Ying 2010-05-18 800 return rc;
a08f82d08053fb Huang Ying 2010-05-18 801 }
a08f82d08053fb Huang Ying 2010-05-18 802 EXPORT_SYMBOL_GPL(erst_write);
a08f82d08053fb Huang Ying 2010-05-18 803

:::::: The code at line 792 was first introduced by commit
:::::: a08f82d08053fb6e3aa3635c2c26456d96337c8b ACPI, APEI, Error Record Serialization Table (ERST) support

:::::: TO: Huang Ying <ying.huang@xxxxxxxxx>
:::::: CC: Len Brown <len.brown@xxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
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