Hi Tamir, kernel test robot noticed the following build errors: [auto build test ERROR on a1eb95d6b5f4cf5cc7b081e85e374d1dd98a213b] url: https://github.com/intel-lab-lkp/linux/commits/Tamir-Duberstein/rust-retain-pointer-mut-ness-in-container_of/20250315-003150 base: a1eb95d6b5f4cf5cc7b081e85e374d1dd98a213b patch link: https://lore.kernel.org/r/20250314-ptr-as-ptr-v3-6-e7ba61048f4a%40gmail.com patch subject: [PATCH v3 6/6] rust: use strict provenance APIs config: x86_64-randconfig-002-20250315 (https://download.01.org/0day-ci/archive/20250315/202503151519.6bGsjUd3-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) rustc: rustc 1.78.0 (9b00956e5 2024-04-29) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250315/202503151519.6bGsjUd3-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503151519.6bGsjUd3-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. *** *** Rust bindings generator 'bindgen' < 0.69.5 together with libclang >= 19.1 *** may not work due to a bug (https://github.com/rust-lang/rust-bindgen/pull/2824), *** unless patched (like Debian's). *** Your bindgen version: 0.65.1 *** Your libclang version: 19.1.7 *** *** *** Please see Documentation/rust/quick-start.rst for details *** on how to set up the Rust support. *** In file included from rust/helpers/helpers.c:10: In file included from rust/helpers/blk.c:3: In file included from include/linux/blk-mq.h:5: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/x86/include/asm/cacheflush.h:5: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. clang diag: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] clang diag: include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] clang diag: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] clang diag: include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] clang diag: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] clang diag: include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] >> error[E0425]: cannot find function `with_exposed_provenance` in module `core::ptr` --> rust/kernel/lib.rs:37:20 | 37 | core::ptr::with_exposed_provenance(addr) | ^^^^^^^^^^^^^^^^^^^^^^^ | ::: /opt/cross/rustc-1.78.0-bindgen-0.65.1/rustup/toolchains/1.78.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:593:1 | 593 | pub const fn without_provenance<T>(addr: usize) -> *const T { | ----------------------------------------------------------- similarly named function `without_provenance` defined here | help: a function with a similar name exists | 37 | core::ptr::without_provenance(addr) | ~~~~~~~~~~~~~~~~~~ help: consider importing this function through its public re-export | 30 + use crate::with_exposed_provenance; | help: if you import `with_exposed_provenance`, refer to it directly | 37 - core::ptr::with_exposed_provenance(addr) 37 + with_exposed_provenance(addr) | -- >> error[E0425]: cannot find function `with_exposed_provenance_mut` in module `core::ptr` --> rust/kernel/lib.rs:42:20 | 42 | core::ptr::with_exposed_provenance_mut(addr) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ::: /opt/cross/rustc-1.78.0-bindgen-0.65.1/rustup/toolchains/1.78.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:637:1 | 637 | pub const fn without_provenance_mut<T>(addr: usize) -> *mut T { | ------------------------------------------------------------- similarly named function `without_provenance_mut` defined here | help: a function with a similar name exists | 42 | core::ptr::without_provenance_mut(addr) | ~~~~~~~~~~~~~~~~~~~~~~ help: consider importing this function through its public re-export | 30 + use crate::with_exposed_provenance_mut; | help: if you import `with_exposed_provenance_mut`, refer to it directly | 42 - core::ptr::with_exposed_provenance_mut(addr) 42 + with_exposed_provenance_mut(addr) | -- >> error[E0599]: no method named `expose_provenance` found for raw pointer `*const T` in the current scope --> rust/kernel/lib.rs:32:14 | 32 | addr.expose_provenance() | ^^^^^^^^^^^^^^^^^ method not found in `*const T` | = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
