tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1e2a199f6ccdc15cf111d68d212e2fd4ce65682e commit: 421015713b306e47af95d4d61cdfbd96d462e4cb ARM: 9017/2: Enable KASan for ARM date: 3 months ago config: arm-randconfig-s032-20210120 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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: v0.6.3-208-g46a52ca4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=421015713b306e47af95d4d61cdfbd96d462e4cb git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 421015713b306e47af95d4d61cdfbd96d462e4cb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
"sparse warnings: (new ones prefixed by >>)"
>> drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: sparse: incorrect
>> type in argument 2 (different address spaces) @@ expected void const
>> *src @@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:385:17: sparse: expected void
const *src
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 2 (different address spaces) @@ expected void const *src
@@ got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:404:9: sparse: expected void
const *src
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 *dest @@
>> got void [noderef] __iomem * @@
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: expected void
*dest
drivers/mtd/nand/onenand/onenand_omap2.c:444:9: sparse: got void
[noderef] __iomem *
vim +385 drivers/mtd/nand/onenand/onenand_omap2.c
3621311695f5b1a9 drivers/mtd/onenand/omap2.c Peter Ujfalusi 2018-01-12
359
fb25070afdf07cc6 drivers/mtd/onenand/omap2.c Ladislav Michl 2018-01-12
360 static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
361 unsigned char *buffer, int offset,
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
362 size_t count)
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
363 {
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
364 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand,
mtd);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
365 struct onenand_chip *this = mtd->priv;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
366 struct device *dev = &c->pdev->dev;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
367 void *buf = (void *)buffer;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
368 dma_addr_t dma_src, dma_dst;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
369 int bram_offset, err;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
370 size_t xtra;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
371
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
372 bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area +
offset;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
373 /*
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
374 * If the buffer address is not DMA-able, len is not long enough to
make
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
375 * DMA transfers profitable or panic_write() may be in an interrupt
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
376 * context fallback to PIO mode.
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
377 */
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
378 if (!virt_addr_valid(buf) || bram_offset & 3 || (size_t)buf & 3 ||
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
379 count < 384 || in_interrupt() || oops_in_progress)
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
380 goto out_copy;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
381
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
382 xtra = count & 3;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
383 if (xtra) {
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
384 count -= xtra;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
@385 memcpy(buf + count, this->base + bram_offset + count, xtra);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
386 }
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
387
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
388 dma_dst = dma_map_single(dev, buf, count, DMA_FROM_DEVICE);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
389 dma_src = c->phys_base + bram_offset;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
390
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
391 if (dma_mapping_error(dev, dma_dst)) {
6732cfd4cac514b5 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);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
393 goto out_copy;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
394 }
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
395
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
396 err = omap2_onenand_dma_transfer(c, dma_src, dma_dst, count);
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
397 dma_unmap_single(dev, dma_dst, count, DMA_FROM_DEVICE);
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
398 if (!err)
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
399 return 0;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
400
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
401 dev_err(dev, "timeout waiting for DMA\n");
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
402
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
403 out_copy:
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
404 memcpy(buf, this->base + bram_offset, count);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
405 return 0;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
406 }
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
407
fb25070afdf07cc6 drivers/mtd/onenand/omap2.c Ladislav Michl 2018-01-12
408 static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
409 const unsigned char *buffer,
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
410 int offset, size_t count)
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
411 {
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
412 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand,
mtd);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
413 struct onenand_chip *this = mtd->priv;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
414 struct device *dev = &c->pdev->dev;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
415 void *buf = (void *)buffer;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
416 dma_addr_t dma_src, dma_dst;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
417 int bram_offset, err;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
418
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
419 bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area +
offset;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
420 /*
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
421 * If the buffer address is not DMA-able, len is not long enough to
make
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
422 * DMA transfers profitable or panic_write() may be in an interrupt
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
423 * context fallback to PIO mode.
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
424 */
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
425 if (!virt_addr_valid(buf) || bram_offset & 3 || (size_t)buf & 3 ||
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
426 count < 384 || in_interrupt() || oops_in_progress)
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
427 goto out_copy;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
428
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
429 dma_src = dma_map_single(dev, buf, count, DMA_TO_DEVICE);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
430 dma_dst = c->phys_base + bram_offset;
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
431 if (dma_mapping_error(dev, dma_src)) {
6732cfd4cac514b5 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);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
433 goto out_copy;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
434 }
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
435
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
436 err = omap2_onenand_dma_transfer(c, dma_src, dma_dst, count);
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
437 dma_unmap_page(dev, dma_src, count, DMA_TO_DEVICE);
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
438 if (!err)
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
439 return 0;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
440
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
441 dev_err(dev, "timeout waiting for DMA\n");
6732cfd4cac514b5 drivers/mtd/nand/onenand/omap2.c Ladislav Michl 2018-05-02
442
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
443 out_copy:
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
@444 memcpy(this->base + bram_offset, buf, count);
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
445 return 0;
36cd4fb5d277f34f drivers/mtd/onenand/omap2.c Adrian Hunter 2008-08-06
446 }
36cd4fb5d277f34f 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.hun...@nokia.com>
:::::: CC: David Woodhouse <david.woodho...@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
