error[E0080]: evaluation panicked: assertion failed: size_of::<isize>() == size_of::<isize_atomic_repr>()

[kernel test robot <lkp@intel.com>]

Hi Nathan,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   6b4b543fa18757297ac756a6fe6e64f506b7844a
commit: eb13a1ff271b0d180687eebb30611b0b276d5193 random: vDSO: avoid call to memset() when zeroing reserved parameter
date:   3 weeks ago
config: loongarch-randconfig-r2103-20261026 (https://download.01.org/0day-ci/archive/20261026/202610261307.vnC1uCAL-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 42d4451d86c175b745d6ea1c4081787994c7259b)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261026/202610261307.vnC1uCAL-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
| Fixes: eb13a1ff271b ("random: vDSO: avoid call to memset() when zeroing reserved parameter")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610261307.vnC1uCAL-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0080]: evaluation panicked: assertion failed: size_of::<isize>() == size_of::<isize_atomic_repr>()
   --> rust/kernel/build_assert.rs:112:23
   |
   112 |         const _: () = ::core::assert!($condition $(,$arg)?);
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `sync::atomic::predefine::_` failed here
   |
   ::: rust/kernel/sync/atomic/predefine.rs:98:1
   |
   98 | static_assert!(size_of::<isize>() == size_of::<isize_atomic_repr>());
   | -------------------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `::core::assert` which comes from the expansion of the macro `static_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0080]: evaluation panicked: assertion failed: align_of::<isize>() == align_of::<isize_atomic_repr>()
   --> rust/kernel/build_assert.rs:112:23
   |
   112 |         const _: () = ::core::assert!($condition $(,$arg)?);
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `sync::atomic::predefine::_` failed here
   |
   ::: rust/kernel/sync/atomic/predefine.rs:99:1
   |
   99 | static_assert!(align_of::<isize>() == align_of::<isize_atomic_repr>());
   | ---------------------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `::core::assert` which comes from the expansion of the macro `static_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0080]: evaluation panicked: assertion failed: size_of::<usize>() == size_of::<isize_atomic_repr>()
   --> rust/kernel/build_assert.rs:112:23
   |
   112 |         const _: () = ::core::assert!($condition $(,$arg)?);
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `sync::atomic::predefine::_` failed here
   |
   ::: rust/kernel/sync/atomic/predefine.rs:100:1
   |
   100 | static_assert!(size_of::<usize>() == size_of::<isize_atomic_repr>());
   | -------------------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `::core::assert` which comes from the expansion of the macro `static_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0080]: evaluation panicked: assertion failed: align_of::<usize>() == align_of::<isize_atomic_repr>()
   --> rust/kernel/build_assert.rs:112:23
   |
   112 |         const _: () = ::core::assert!($condition $(,$arg)?);
   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation of `sync::atomic::predefine::_` failed here
   |
   ::: rust/kernel/sync/atomic/predefine.rs:101:1
   |
   101 | static_assert!(align_of::<usize>() == align_of::<isize_atomic_repr>());
   | ---------------------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `::core::assert` which comes from the expansion of the macro `static_assert` (in Nightly builds, run with -Z macro-backtrace for more info)

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