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