drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Mon Jul 25 2022 - 08:21:36 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e0dccc3b76fb35bb257b4118367a883073d7390e
commit: f68f2ff91512c199ec24883001245912afc17873 fortify: Detect struct member overflows in memcpy() at compile-time
date: 5 months ago
config: arm-randconfig-s041-20220721 (https://download.01.org/0day-ci/archive/20220725/202207252059.nGTxc7qk-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f68f2ff91512c199ec24883001245912afc17873
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f68f2ff91512c199ec24883001245912afc17873
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash

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

sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: got void [noderef] __iomem *
>> drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: got void [noderef] __iomem *
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: expected void const *
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: got void [noderef] __iomem *
>> drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: expected void *
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: got void [noderef] __iomem *

vim +385 drivers/mtd/nand/onenand/onenand_omap2.c

3621311695f5b1 drivers/mtd/onenand/omap2.c Peter Ujfalusi 2018-01-12 359
fb25070afdf07c drivers/mtd/onenand/omap2.c Ladislav Michl 2018-01-12 360 static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 361 unsigned char *buffer, int offset,
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 362 size_t count)
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 363 {
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 364 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 365 struct onenand_chip *this = mtd->priv;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 366 struct device *dev = &c->pdev->dev;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 367 void *buf = (void *)buffer;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 368 dma_addr_t dma_src, dma_dst;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 369 int bram_offset, err;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 370 size_t xtra;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 371
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 372 bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 373 /*
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 374 * If the buffer address is not DMA-able, len is not long enough to
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 375 * make DMA transfers profitable or if invoked from panic_write()
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 376 * fallback to PIO mode.
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 377 */
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 378 if (!virt_addr_valid(buf) || bram_offset & 3 || (size_t)buf & 3 ||
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 379 count < 384 || mtd->oops_panic_write)
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 380 goto out_copy;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 381
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 382 xtra = count & 3;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 383 if (xtra) {
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 384 count -= xtra;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 @385 memcpy(buf + count, this->base + bram_offset + count, xtra);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 386 }
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 387
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 388 dma_dst = dma_map_single(dev, buf, count, DMA_FROM_DEVICE);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 389 dma_src = c->phys_base + bram_offset;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 390
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 391 if (dma_mapping_error(dev, dma_dst)) {
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 392 dev_err(dev, "Couldn't DMA map a %d byte buffer\n", count);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 393 goto out_copy;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 394 }
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 395
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 396 err = omap2_onenand_dma_transfer(c, dma_src, dma_dst, count);
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 397 dma_unmap_single(dev, dma_dst, count, DMA_FROM_DEVICE);
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 398 if (!err)
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 399 return 0;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 400
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 401 dev_err(dev, "timeout waiting for DMA\n");
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 402
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 403 out_copy:
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 @404 memcpy(buf, this->base + bram_offset, count);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 405 return 0;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 406 }
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 407
fb25070afdf07c drivers/mtd/onenand/omap2.c Ladislav Michl 2018-01-12 408 static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 409 const unsigned char *buffer,
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 410 int offset, size_t count)
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 411 {
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 412 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 413 struct onenand_chip *this = mtd->priv;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 414 struct device *dev = &c->pdev->dev;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 415 void *buf = (void *)buffer;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 416 dma_addr_t dma_src, dma_dst;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 417 int bram_offset, err;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 418
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 419 bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 420 /*
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 421 * If the buffer address is not DMA-able, len is not long enough to
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 422 * make DMA transfers profitable or if invoked from panic_write()
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 423 * fallback to PIO mode.
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 424 */
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 425 if (!virt_addr_valid(buf) || bram_offset & 3 || (size_t)buf & 3 ||
875330f87a057a drivers/mtd/nand/onenand/onenand_omap2.c Thomas Gleixner 2020-11-13 426 count < 384 || mtd->oops_panic_write)
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 427 goto out_copy;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 428
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 429 dma_src = dma_map_single(dev, buf, count, DMA_TO_DEVICE);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 430 dma_dst = c->phys_base + bram_offset;
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 431 if (dma_mapping_error(dev, dma_src)) {
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 432 dev_err(dev, "Couldn't DMA map a %d byte buffer\n", count);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 433 goto out_copy;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 434 }
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 435
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 436 err = omap2_onenand_dma_transfer(c, dma_src, dma_dst, count);
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 437 dma_unmap_page(dev, dma_src, count, DMA_TO_DEVICE);
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 438 if (!err)
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 439 return 0;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 440
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 441 dev_err(dev, "timeout waiting for DMA\n");
6732cfd4cac514 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02 442
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 443 out_copy:
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 @444 memcpy(this->base + bram_offset, buf, count);
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 445 return 0;
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 446 }
36cd4fb5d277f3 drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06 447

:::::: The code at line 385 was first introduced by commit
:::::: 36cd4fb5d277f34fe9e4db0deac2d4efd7dff735 [MTD] [OneNAND] Add OMAP2 / OMAP3 OneNAND driver

:::::: TO: Adrian Hunter <ext-adrian.hunter@xxxxxxxxx>
:::::: CC: David Woodhouse <David.Woodhouse@xxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

Next message: Vladimir Oltean: "Re: [net-next: PATCH] net: dsa: mv88e6xxx: fix speed setting for CPU/DSA ports"
Previous message: kernel test robot: "[isilence:zc_perf_tests 10/10] io_uring/net.c:1094:18: warning: variable 'min_ret' set but not used"
Next in thread: kernel test robot: "drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect type in argument 1 (different address spaces)"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]