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* [PATCH 0/2] rust: add support for Software Tag-Based KASAN
@ 2026-03-25  9:26 Alice Ryhl
  2026-03-25  9:26 ` [PATCH 1/2] rust: kasan: do not pass -Zsanitizer-recover Alice Ryhl
  2026-03-25  9:26 ` [PATCH 2/2] rust: kasan: add support for Software Tag-Based KASAN Alice Ryhl
  0 siblings, 2 replies; 11+ messages in thread
From: Alice Ryhl @ 2026-03-25  9:26 UTC (permalink / raw)
  To: Andrey Ryabinin, Alexander Potapenko, Andrey Konovalov,
	Dmitry Vyukov, Vincenzo Frascino, Nathan Chancellor,
	Nick Desaulniers, Bill Wendling, Justin Stitt, Miguel Ojeda
  Cc: Boqun Feng, Gary Guo, Björn Roy Baron, Benno Lossin,
	Andreas Hindborg, Trevor Gross, Danilo Krummrich, linux-kernel,
	kasan-dev, rust-for-linux, llvm, Alice Ryhl

Since my kernel-hwaddress patch to rustc [1] is now landed, I'm sending
this series to enable support for it in the kernel.

[1]: https://github.com/rust-lang/rust/pull/153049

Signed-off-by: Alice Ryhl <aliceryhl@google.com>
---
Alice Ryhl (2):
      rust: kasan: do not pass -Zsanitizer-recover
      rust: kasan: add support for Software Tag-Based KASAN

 init/Kconfig           | 2 +-
 scripts/Makefile.kasan | 6 +-----
 2 files changed, 2 insertions(+), 6 deletions(-)
---
base-commit: 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681
change-id: 20260325-kasan-rust-sw-tags-c5afff30e63a

Best regards,
-- 
Alice Ryhl <aliceryhl@google.com>


^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: [PATCH 1/2] rust: kasan: do not pass -Zsanitizer-recover
@ 2026-03-27 10:40 kernel test robot
  0 siblings, 0 replies; 11+ messages in thread
From: kernel test robot @ 2026-03-27 10:40 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp

:::::: 
:::::: Manual check reason: "only suspicious fbc files changed"
:::::: 

BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20260325-kasan-rust-sw-tags-v1-1-7d3a765a72aa@google.com>
References: <20260325-kasan-rust-sw-tags-v1-1-7d3a765a72aa@google.com>
TO: Alice Ryhl <aliceryhl@google.com>
TO: Andrey Ryabinin <ryabinin.a.a@gmail.com>
TO: Alexander Potapenko <glider@google.com>
TO: Andrey Konovalov <andreyknvl@gmail.com>
TO: Dmitry Vyukov <dvyukov@google.com>
TO: Vincenzo Frascino <vincenzo.frascino@arm.com>
TO: Nathan Chancellor <nathan@kernel.org>
TO: Nick Desaulniers <nick.desaulniers+lkml@gmail.com>
TO: Bill Wendling <morbo@google.com>
TO: Justin Stitt <justinstitt@google.com>
TO: Miguel Ojeda <ojeda@kernel.org>
CC: Boqun Feng <boqun@kernel.org>
CC: Gary Guo <gary@garyguo.net>
CC: "Björn Roy Baron" <bjorn3_gh@protonmail.com>
CC: Benno Lossin <lossin@kernel.org>
CC: Andreas Hindborg <a.hindborg@kernel.org>
CC: Trevor Gross <tmgross@umich.edu>
CC: Danilo Krummrich <dakr@kernel.org>
CC: linux-kernel@vger.kernel.org
CC: kasan-dev@googlegroups.com
CC: rust-for-linux@vger.kernel.org
CC: llvm@lists.linux.dev
CC: Alice Ryhl <aliceryhl@google.com>

Hi Alice,

kernel test robot noticed the following build errors:

[auto build test ERROR on 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681]

url:    https://github.com/intel-lab-lkp/linux/commits/Alice-Ryhl/rust-kasan-do-not-pass-Zsanitizer-recover/20260326-213339
base:   1f318b96cc84d7c2ab792fcc0bfd42a7ca890681
patch link:    https://lore.kernel.org/r/20260325-kasan-rust-sw-tags-v1-1-7d3a765a72aa%40google.com
patch subject: [PATCH 1/2] rust: kasan: do not pass -Zsanitizer-recover
:::::: branch date: 21 hours ago
:::::: commit date: 21 hours ago
config: x86_64-randconfig-071-20260327 (https://download.01.org/0day-ci/archive/20260327/202603271853.RhfDTdOp-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/20260327/202603271853.RhfDTdOp-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/r/202603271853.RhfDTdOp-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __asan_report_load8
   >>> referenced by kvec.rs:847 (rust/kernel/alloc/kvec.rs:847)
   >>>               samples/rust/rust_soc.o:(core::ptr::drop_in_place::<kernel::str::CString>) in archive vmlinux.a
   >>> referenced by kvec.rs:847 (rust/kernel/alloc/kvec.rs:847)
   >>>               samples/rust/rust_soc.o:(core::ptr::drop_in_place::<kernel::str::CString>) in archive vmlinux.a
   >>> referenced by aref.rs:170 (rust/kernel/sync/aref.rs:170)
   >>>               samples/rust/rust_soc.o:(<kernel::driver::Registration<kernel::platform::Adapter<rust_soc::SampleSocDriver>>>::post_unbind_callback) in archive vmlinux.a
   >>> referenced 3034 more times
--
>> ld.lld: error: undefined symbol: __asan_report_store8
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
   >>>               samples/rust/rust_soc.o:(<kernel::platform::Adapter<rust_soc::SampleSocDriver>>::probe_callback) in archive vmlinux.a
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
   >>>               samples/rust/rust_soc.o:(<kernel::platform::Adapter<rust_soc::SampleSocDriver>>::probe_callback) in archive vmlinux.a
   >>> referenced by rust_configfs.rs:86 (samples/rust/rust_configfs.rs:86)
   >>>               samples/rust/rust_configfs.o:(<rust_configfs::Configuration as kernel::configfs::GroupOperations>::make_group) in archive vmlinux.a
   >>> referenced 1783 more times
--
>> ld.lld: error: undefined symbol: __asan_report_load16
   >>> referenced by num.rs:648 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/fmt/num.rs:648)
   >>>               rust/core.o:(<u128 as core::fmt::Display>::fmt) in archive vmlinux.a
   >>> referenced by num.rs:655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/fmt/num.rs:655)
   >>>               rust/core.o:(<i128 as core::fmt::Display>::fmt) in archive vmlinux.a
   >>> referenced by niche_types.rs:100 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/num/niche_types.rs:100)
   >>>               rust/core.o:(<core::num::niche_types::NonZeroU128Inner as core::fmt::Debug>::fmt) in archive vmlinux.a
   >>> referenced 9 more times
--
>> ld.lld: error: undefined symbol: __asan_report_store16
   >>> referenced by option.rs:1279 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:1279)
   >>>               rust/core.o:(<core::num::nonzero::NonZero<u128> as core::str::traits::FromStr>::from_str) in archive vmlinux.a
   >>> referenced by option.rs:1279 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:1279)
   >>>               rust/core.o:(<core::num::nonzero::NonZero<i128> as core::str::traits::FromStr>::from_str) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: __asan_report_load1
   >>> referenced by c_str.rs:416 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ffi/c_str.rs:416)
   >>>               samples/rust/rust_configfs.o:(<kernel::configfs::GroupOperationsVTable<rust_configfs::Configuration, rust_configfs::Child>>::make_group) in archive vmlinux.a
   >>> referenced by c_str.rs:416 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ffi/c_str.rs:416)
   >>>               samples/rust/rust_configfs.o:(<kernel::configfs::GroupOperationsVTable<rust_configfs::Child, rust_configfs::GrandChild>>::make_group) in archive vmlinux.a
   >>> referenced by revocable.rs:218 (rust/kernel/revocable.rs:218)
   >>>               samples/rust/rust_driver_auxiliary.o:(core::ptr::drop_in_place::<kernel::sync::arc::Arc<kernel::revocable::Revocable<kernel::auxiliary::Registration>>>) in archive vmlinux.a
   >>> referenced 890 more times
--
>> ld.lld: error: undefined symbol: __asan_report_store4
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
   >>>               samples/rust/rust_configfs.o:(<kernel::configfs::GroupOperationsVTable<rust_configfs::Configuration, rust_configfs::Child>>::make_group) in archive vmlinux.a
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
   >>>               samples/rust/rust_configfs.o:(<kernel::configfs::GroupOperationsVTable<rust_configfs::Child, rust_configfs::GrandChild>>::make_group) in archive vmlinux.a
   >>> referenced by result.rs:2050 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/result.rs:2050)
   >>>               samples/rust/rust_configfs.o:(<rust_configfs::Configuration as kernel::configfs::GroupOperations>::make_group) in archive vmlinux.a
   >>> referenced 539 more times
--
>> ld.lld: error: undefined symbol: __asan_report_store1
   >>> referenced by atomic.rs:3845 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/sync/atomic.rs:3845)
   >>>               samples/rust/rust_driver_auxiliary.o:(core::ptr::drop_in_place::<kernel::devres::Devres<kernel::auxiliary::Registration>>) in archive vmlinux.a
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
>> >>>               samples/rust/rust_driver_auxiliary.o:(pin_init::pin_init_scope::<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error, <kernel::auxiliary::Registration>::new::{closure#0}, core::result::Result<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error>>::{closure#0}) in archive vmlinux.a
   >>> referenced by atomic.rs:3845 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/sync/atomic.rs:3845)
   >>>               samples/rust/rust_driver_pci.o:(core::ptr::drop_in_place::<kernel::devres::Devres<kernel::pci::io::Bar<16>>>) in archive vmlinux.a
   >>> referenced 356 more times
--
>> ld.lld: error: undefined symbol: __asan_report_load4
   >>> referenced by lib.rs:1300 (rust/pin-init/src/lib.rs:1300)
>> >>>               samples/rust/rust_driver_auxiliary.o:(pin_init::pin_init_scope::<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error, <kernel::auxiliary::Registration>::new::{closure#0}, core::result::Result<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error>>::{closure#0}) in archive vmlinux.a
   >>> referenced by io.rs:261 (rust/kernel/pci/io.rs:261)
   >>>               samples/rust/rust_driver_pci.o:(core::ptr::drop_in_place::<kernel::devres::Devres<kernel::pci::io::Bar<16>>>) in archive vmlinux.a
   >>> referenced by io.rs:261 (rust/kernel/pci/io.rs:261)
   >>>               samples/rust/rust_driver_pci.o:(core::ptr::drop_in_place::<kernel::sync::arc::Arc<kernel::revocable::Revocable<kernel::pci::io::Bar<16>>>>) in archive vmlinux.a
   >>> referenced 320 more times
--
>> ld.lld: error: undefined symbol: __asan_report_store_n
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
>> >>>               samples/rust/rust_driver_auxiliary.o:(pin_init::pin_init_scope::<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error, <kernel::auxiliary::Registration>::new::{closure#0}, core::result::Result<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error>>::{closure#0}) in archive vmlinux.a
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
>> >>>               samples/rust/rust_driver_auxiliary.o:(pin_init::pin_init_scope::<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error, <kernel::auxiliary::Registration>::new::{closure#0}, core::result::Result<kernel::devres::Devres<kernel::auxiliary::Registration>, kernel::error::Error>>::{closure#0}) in archive vmlinux.a
   >>> referenced by mod.rs:1655 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:1655)
   >>>               samples/rust/rust_driver_pci.o:(<kernel::pci::Adapter<rust_driver_pci::SampleDriver>>::probe_callback) in archive vmlinux.a
   >>> referenced 105 more times
--
>> ld.lld: error: undefined symbol: __asan_report_load2
   >>> referenced by pci.rs:372 (rust/kernel/pci.rs:372)
   >>>               samples/rust/rust_driver_pci.o:(<kernel::pci::Adapter<rust_driver_pci::SampleDriver>>::probe_callback) in archive vmlinux.a
   >>> referenced by pci.rs:381 (rust/kernel/pci.rs:381)
   >>>               samples/rust/rust_driver_pci.o:(<kernel::pci::Adapter<rust_driver_pci::SampleDriver>>::probe_callback) in archive vmlinux.a
   >>> referenced by pci.rs:372 (rust/kernel/pci.rs:372)
   >>>               samples/rust/rust_driver_auxiliary.o:(<rust_driver_auxiliary::AuxiliaryDriver as kernel::auxiliary::Driver>::probe) in archive vmlinux.a
   >>> referenced 54 more times
--
>> ld.lld: error: undefined symbol: __asan_report_load_n
   >>> referenced by mod.rs:3753 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/intrinsics/mod.rs:3753)
   >>>               drivers/android/binder/rust_binder_main.o:(<[u8]>::copy_from_slice) in archive vmlinux.a
   >>> referenced by mod.rs:3753 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/intrinsics/mod.rs:3753)
   >>>               drivers/android/binder/rust_binder_main.o:(<[u8]>::copy_from_slice) in archive vmlinux.a
   >>> referenced by mod.rs:864 (/opt/cross/rustc-1.88.0-bindgen-0.72.1/rustup/toolchains/1.88.0-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:864)
   >>>               drivers/android/binder/rust_binder_main.o:(<rust_binder_main::range_alloc::tree::Descriptor<rust_binder_main::allocation::AllocationInfo>>::try_change_state::<<rust_binder_main::range_alloc::tree::TreeRangeAllocator<rust_binder_main::allocation::AllocationInfo>>::reservation_abort::{closure#1}, (rust_binder_main::range_alloc::Reservation, kernel::rbtree::RBTreeNodeReservation<(usize, usize), ()>)>) in archive vmlinux.a
   >>> referenced 81 more times
..

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 11+ messages in thread
end of thread, other threads:[~2026-03-27 14:28 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-03-25  9:26 [PATCH 0/2] rust: add support for Software Tag-Based KASAN Alice Ryhl
2026-03-25  9:26 ` [PATCH 1/2] rust: kasan: do not pass -Zsanitizer-recover Alice Ryhl
2026-03-25 11:06   ` Danilo Krummrich
2026-03-25 11:47     ` Alice Ryhl
2026-03-25 14:04       ` Danilo Krummrich
2026-03-25 14:30         ` Gary Guo
2026-03-27 11:04           ` Alice Ryhl
2026-03-27 14:28   ` kernel test robot
2026-03-25  9:26 ` [PATCH 2/2] rust: kasan: add support for Software Tag-Based KASAN Alice Ryhl
2026-03-25 11:09   ` Danilo Krummrich
  -- strict thread matches above, loose matches on Subject: below --
2026-03-27 10:40 [PATCH 1/2] rust: kasan: do not pass -Zsanitizer-recover kernel test robot

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