From: kernel test robot <lkp@intel.com>
To: Kees Cook <keescook@chromium.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Tue, 3 Dec 2024 11:17:15 +0800 [thread overview]
Message-ID: <202412031102.G0OBzQ8g-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cdd30ebb1b9f36159d66f088b61aee264e649d7a
commit: 938a000e3f9bead24ea753286b3e4d2423275c9e fortify: Detect struct member overflows in memmove() at compile-time
date: 2 years, 10 months ago
config: i386-randconfig-063-20240106 (https://download.01.org/0day-ci/archive/20241203/202412031102.G0OBzQ8g-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412031102.G0OBzQ8g-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/oe-kbuild-all/202412031102.G0OBzQ8g-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] dest @@
drivers/video/fbdev/hgafb.c:496:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:496:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] dest
>> drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] src @@
drivers/video/fbdev/hgafb.c:496:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:496:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] src
>> drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] dest @@
drivers/video/fbdev/hgafb.c:496:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:496:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] dest
>> drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] src @@
drivers/video/fbdev/hgafb.c:496:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:496:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] src
>> drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] dest @@
drivers/video/fbdev/hgafb.c:496:25: sparse: expected void *
drivers/video/fbdev/hgafb.c:496:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] dest
drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] src @@
drivers/video/fbdev/hgafb.c:496:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:496:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] src
drivers/video/fbdev/hgafb.c:507:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] dest @@
drivers/video/fbdev/hgafb.c:507:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:507:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] dest
drivers/video/fbdev/hgafb.c:507:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] src @@
drivers/video/fbdev/hgafb.c:507:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:507:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] src
drivers/video/fbdev/hgafb.c:507:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] dest @@
drivers/video/fbdev/hgafb.c:507:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:507:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] dest
drivers/video/fbdev/hgafb.c:507:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] src @@
drivers/video/fbdev/hgafb.c:507:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:507:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] src
drivers/video/fbdev/hgafb.c:507:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] dest @@
drivers/video/fbdev/hgafb.c:507:25: sparse: expected void *
drivers/video/fbdev/hgafb.c:507:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] dest
drivers/video/fbdev/hgafb.c:507:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *[assigned] src @@
drivers/video/fbdev/hgafb.c:507:25: sparse: expected void const *
drivers/video/fbdev/hgafb.c:507:25: sparse: got unsigned char [noderef] [usertype] __iomem *[assigned] src
vim +496 drivers/video/fbdev/hgafb.c
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 482
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 483 static void hgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 484 {
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 485 u_int rows, y1, y2;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 486 u8 __iomem *src;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 487 u8 __iomem *dest;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 488
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 489 if (area->dy <= area->sy) {
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 490 y1 = area->sy;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 491 y2 = area->dy;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 492
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 493 for (rows = area->height; rows--; ) {
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 494 src = rowaddr(info, y1) + (area->sx >> 3);
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 495 dest = rowaddr(info, y2) + (area->dx >> 3);
529ed806d4540d2 drivers/video/hgafb.c Brent Cook 2010-12-31 @496 memmove(dest, src, (area->width >> 3));
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 497 y1++;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 498 y2++;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 499 }
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 500 } else {
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 501 y1 = area->sy + area->height - 1;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 502 y2 = area->dy + area->height - 1;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 503
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 504 for (rows = area->height; rows--;) {
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 505 src = rowaddr(info, y1) + (area->sx >> 3);
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 506 dest = rowaddr(info, y2) + (area->dx >> 3);
529ed806d4540d2 drivers/video/hgafb.c Brent Cook 2010-12-31 507 memmove(dest, src, (area->width >> 3));
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 508 y1--;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 509 y2--;
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 510 }
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 511 }
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 512 }
^1da177e4c3f415 drivers/video/hgafb.c Linus Torvalds 2005-04-16 513
:::::: The code at line 496 was first introduced by commit
:::::: 529ed806d4540d23ca2f68b28c3715d1566fc3ac video: Fix the HGA framebuffer driver
:::::: TO: Brent Cook <busterb@gmail.com>
:::::: CC: Paul Mundt <lethal@linux-sh.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2024-12-03 3:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-03 3:17 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-12-26 15:09 drivers/video/fbdev/hgafb.c:496:25: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
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