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Message-ID: <202412232152.PiRThU4w-lkp@intel.com>
Date: Mon, 23 Dec 2024 21:56:19 +0800
From: kernel test robot <lkp@...el.com>
To: Andrey Konovalov <andreyknvl@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
Marco Elver <elver@...gle.com>
Subject: drivers/misc/sgi-gru/grukdump.c:60:17: sparse: sparse: incorrect
type in argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4bbf9020becbfd8fc2c3da790855b7042fad455b
commit: 2e577732e8d28b9183df701fb90cb7943aa4ed16 kasan, fortify: properly rename memintrinsics
date: 7 months ago
config: x86_64-randconfig-r111-20241223 (https://download.01.org/0day-ci/archive/20241223/202412232152.PiRThU4w-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241223/202412232152.PiRThU4w-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412232152.PiRThU4w-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __user *[addressable] ubuf @@
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: expected void const *
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: got void [noderef] __user *[addressable] ubuf
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __user *[addressable] ubuf @@
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: expected void const *
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: got void [noderef] __user *[addressable] ubuf
>> drivers/misc/sgi-gru/grukdump.c:60:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __user *[addressable] ubuf @@
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: expected void *
drivers/misc/sgi-gru/grukdump.c:60:17: sparse: got void [noderef] __user *[addressable] ubuf
drivers/misc/sgi-gru/grukdump.c:129:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct gru_context_configuration_handle *ubufcch @@ got void [noderef] __user *[assigned] ubuf @@
drivers/misc/sgi-gru/grukdump.c:129:17: sparse: expected struct gru_context_configuration_handle *ubufcch
drivers/misc/sgi-gru/grukdump.c:129:17: sparse: got void [noderef] __user *[assigned] ubuf
drivers/misc/sgi-gru/grukdump.c:192:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *ubuf @@ got void *[addressable] [assigned] buf @@
drivers/misc/sgi-gru/grukdump.c:192:14: sparse: expected void [noderef] __user *ubuf
drivers/misc/sgi-gru/grukdump.c:192:14: sparse: got void *[addressable] [assigned] buf
drivers/misc/sgi-gru/grukdump.c:193:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *ubufend @@ got void * @@
drivers/misc/sgi-gru/grukdump.c:193:17: sparse: expected void [noderef] __user *ubufend
drivers/misc/sgi-gru/grukdump.c:193:17: sparse: got void *
vim +60 drivers/misc/sgi-gru/grukdump.c
9cc9b056ea51608 Jack Steiner 2009-06-17 34
9cc9b056ea51608 Jack Steiner 2009-06-17 35 static int gru_dump_context_data(void *grubase,
9cc9b056ea51608 Jack Steiner 2009-06-17 36 struct gru_context_configuration_handle *cch,
b8229bedd1f3979 Jack Steiner 2009-12-15 37 void __user *ubuf, int ctxnum, int dsrcnt,
b8229bedd1f3979 Jack Steiner 2009-12-15 38 int flush_cbrs)
9cc9b056ea51608 Jack Steiner 2009-06-17 39 {
9cc9b056ea51608 Jack Steiner 2009-06-17 40 void *cb, *cbe, *tfh, *gseg;
9cc9b056ea51608 Jack Steiner 2009-06-17 41 int i, scr;
9cc9b056ea51608 Jack Steiner 2009-06-17 42
9cc9b056ea51608 Jack Steiner 2009-06-17 43 gseg = grubase + ctxnum * GRU_GSEG_STRIDE;
9cc9b056ea51608 Jack Steiner 2009-06-17 44 cb = gseg + GRU_CB_BASE;
9cc9b056ea51608 Jack Steiner 2009-06-17 45 cbe = grubase + GRU_CBE_BASE;
9cc9b056ea51608 Jack Steiner 2009-06-17 46 tfh = grubase + GRU_TFH_BASE;
9cc9b056ea51608 Jack Steiner 2009-06-17 47
9cc9b056ea51608 Jack Steiner 2009-06-17 48 for_each_cbr_in_allocation_map(i, &cch->cbr_allocation_map, scr) {
b8229bedd1f3979 Jack Steiner 2009-12-15 49 if (flush_cbrs)
b8229bedd1f3979 Jack Steiner 2009-12-15 50 gru_flush_cache(cb);
9cc9b056ea51608 Jack Steiner 2009-06-17 51 if (gru_user_copy_handle(&ubuf, cb))
9cc9b056ea51608 Jack Steiner 2009-06-17 52 goto fail;
9cc9b056ea51608 Jack Steiner 2009-06-17 53 if (gru_user_copy_handle(&ubuf, tfh + i * GRU_HANDLE_STRIDE))
9cc9b056ea51608 Jack Steiner 2009-06-17 54 goto fail;
9cc9b056ea51608 Jack Steiner 2009-06-17 55 if (gru_user_copy_handle(&ubuf, cbe + i * GRU_HANDLE_STRIDE))
9cc9b056ea51608 Jack Steiner 2009-06-17 56 goto fail;
9cc9b056ea51608 Jack Steiner 2009-06-17 57 cb += GRU_HANDLE_STRIDE;
9cc9b056ea51608 Jack Steiner 2009-06-17 58 }
9cc9b056ea51608 Jack Steiner 2009-06-17 59 if (dsrcnt)
9cc9b056ea51608 Jack Steiner 2009-06-17 @60 memcpy(ubuf, gseg + GRU_DS_BASE, dsrcnt * GRU_HANDLE_STRIDE);
9cc9b056ea51608 Jack Steiner 2009-06-17 61 return 0;
9cc9b056ea51608 Jack Steiner 2009-06-17 62
9cc9b056ea51608 Jack Steiner 2009-06-17 63 fail:
9cc9b056ea51608 Jack Steiner 2009-06-17 64 return -EFAULT;
9cc9b056ea51608 Jack Steiner 2009-06-17 65 }
9cc9b056ea51608 Jack Steiner 2009-06-17 66
:::::: The code at line 60 was first introduced by commit
:::::: 9cc9b056ea51608788609d7e26c7db55ef81bb2e gru: dump chiplet state
:::::: TO: Jack Steiner <steiner@....com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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