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From: Alice Ryhl To: Alexandre Courbot Cc: kernel test robot , Danilo Krummrich , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, rust-for-linux@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Fri, May 29, 2026 at 05:19:06PM +0900, Alexandre Courbot wrote: > On Fri May 29, 2026 at 5:00 PM JST, Alice Ryhl wrote: > > On Fri, May 29, 2026 at 9:54=E2=80=AFAM Alexandre Courbot wrote: > >> > >> 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/0da= y-ci/archive/20260529/202605291041.seNEWvLQ-lkp@intel.com/config) > >> >> compiler: clang version 20.1.8 (https://github.com/llvm/llvm-projec= t 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) > >> >> rustc: rustc 1.88.0 (6b00bc388 2025-06-23) > >> >> reproduce (this is a W=3D1 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 ne= w version of > >> >> the same patch/commit), kindly add following tags > >> >> | Reported-by: kernel test robot > >> >> | Closes: https://lore.kernel.org/oe-kbuild-all/202605291041.seNEWv= LQ-lkp@intel.com/ > >> >> > >> >> All warnings (new ones prefixed by >>): > >> >> > >> >> samples/rust/rust_driver_auxiliary.o: warning: objtool: asan.mod= ule_ctor+0xd: call without frame pointer save/setup > >> >> samples/rust/rust_driver_auxiliary.o: warning: objtool: asan.mod= ule_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-v2-3-06de4c556d5= 5@nvidia.com/ > > > > The asan.module_ctor error? I don't see how it would work around that. >=20 > I was referring to this error on the report: >=20 > _RINvXs5_NtNtCshc5sK6KjdJJ_6kernel5alloc4kboxINtB6_3BoxINtNtNtCsbsbRiabPl= h9_4core3mem12maybe_uninit11MaybeUninitINtNtBa_9auxiliary16RegistrationData= NtCseULRbgTYaTO_21rust_driver_auxiliary4DataEENtNtB8_9allocator7KmallocEINt= Cs57PXBekmiam_8pin_init12InPlaceWriteB1L_E14write_pin_initNtNtBa_5error5Err= orINtNtB3y_10___internal11InitClosureNCINvYIBH_B1L_B35_EINtNtBa_4init11InPl= aceInitB1L_E8pin_initB4u_IB4O_NCINvMsc_B1O_INtB1O_12RegistrationB2l_E3newNt= NtBX_7convert10InfallibleB2l_Es_0B1L_B4u_EE0B1L_B4u_EEB2n_: symbol name too= long, can't create __pfx_ symbol >=20 > As this patch might help shorten the symbol. That is plausible.