* [akpm-mm:mm-unstable 113/133] error[E0277]: `*const kernel::bindings::vm_uffd_ops` cannot be shared between threads safely
@ 2026-04-07 7:58 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-04-07 7:58 UTC (permalink / raw)
To: Mike Rapoport (Microsoft)
Cc: llvm, oe-kbuild-all, David Hildenbrand, Andrew Morton,
Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
head: 3fa44141e0bbd5062f2ef0c5cdddd98275d3223e
commit: 694fc0bd3ca5420f4e1105d2dec02327cfc5d64b [113/133] userfaultfd: introduce vm_uffd_ops
config: x86_64-randconfig-074-20260407 (https://download.01.org/0day-ci/archive/20260407/202604071509.y5vLetYd-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260407/202604071509.y5vLetYd-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604071509.y5vLetYd-lkp@intel.com/
All errors (new ones prefixed by >>):
>> error[E0277]: `*const kernel::bindings::vm_uffd_ops` cannot be shared between threads safely
--> drivers/android/binder/page_range.rs:146:23
|
146 | static BINDER_VM_OPS: bindings::vm_operations_struct = pin_init::zeroed();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `*const kernel::bindings::vm_uffd_ops` cannot be shared between threads safely
|
= help: within `kernel::bindings::vm_operations_struct`, the trait `Sync` is not implemented for `*const kernel::bindings::vm_uffd_ops`
note: required because it appears within the type `kernel::bindings::vm_operations_struct`
--> rust/bindings/bindings_generated.rs:74703:12
|
74703 | pub struct vm_operations_struct {
| ^^^^^^^^^^^^^^^^^^^^
= note: shared static variables must have a type that implements `Sync`
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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