Re: [linux-next:master 3728/9137] samples/rust/rust_driver_auxiliary.o: warning: objtool: _RINvXs5_NtNtCshc5sK6KjdJJ_6kernel5alloc4kboxINtB6_3BoxINtNtNtCsbsbRiabPlh9_4core3mem12maybe_uninit11MaybeUninitINtNtBa_9auxiliary16RegistrationDataNtCseULRbgTYaTO_21rust_driver_auxiliary4DataEENtNtB...

["Alexandre Courbot" <acourbot@nvidia.com>]

On Fri May 29, 2026 at 3:35 PM JST, Alice Ryhl wrote:
> On Fri, May 29, 2026 at 10:52:52AM +0800, kernel test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>> head:   f7af91adc230aa99e23330ecf85bc9badd9780ad
>> commit: fd3b87ff0232f46e1ad53a48609a3853c8757c6c [3728/9137] rust: auxiliary: add registration data to auxiliary devices
>> config: x86_64-randconfig-004-20260529 (https://download.01.org/0day-ci/archive/20260529/202605291041.seNEWvLQ-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/20260529/202605291041.seNEWvLQ-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/202605291041.seNEWvLQ-lkp@intel.com/
>> 
>> All warnings (new ones prefixed by >>):
>> 
>>    samples/rust/rust_driver_auxiliary.o: warning: objtool: asan.module_ctor+0xd: call without frame pointer save/setup
>>    samples/rust/rust_driver_auxiliary.o: warning: objtool: asan.module_dtor+0x1: call without frame pointer save/setup
>
> This one looks like this bug:
> https://github.com/rust-lang/rust/pull/156980

Does [1] work around the problem by any chance?

[1] https://lore.kernel.org/all/20260527-nova-exports-v2-3-06de4c556d55@nvidia.com/