Messages in this thread |  | | Date | Fri, 5 Sep 2025 16:15:06 -0600 (MDT) | | From | Paul Walmsley <> | | Subject | Re: [PATCH 2/2] riscv: Fix sparse warning about different address spaces |
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On Wed, 3 Sep 2025, Alexandre Ghiti wrote:
> We did not propagate the __user attribute of the pointers in > __get_kernel_nofault() and __put_kernel_nofault(), which results in > sparse complaining: > > >> mm/maccess.c:41:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got unsigned long long [usertype] * @@ > mm/maccess.c:41:17: sparse: expected void const [noderef] __user *from > mm/maccess.c:41:17: sparse: got unsigned long long [usertype] * > > So fix this by correctly casting those pointers. > > Reported-by: kernel test robot <lkp@intel.com> > Closes: https://lore.kernel.org/oe-kbuild-all/202508161713.RWu30Lv1-lkp@intel.com/ > Suggested-by: Al Viro <viro@zeniv.linux.org.uk> > Fixes: f6bff7827a48 ("riscv: uaccess: use 'asm_goto_output' for get_user()") > Cc: stable@vger.kernel.org > Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Thanks, queued for v6.17-rc fixes.
- Paul
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