linux-hardening - Re: [PATCH net-next v3 1/7] overflow: add DEFINE

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Date:   Thu, 17 Aug 2023 00:35:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     Przemek Kitszel <przemyslaw.kitszel@...el.com>,
        Kees Cook <keescook@...omium.org>, netdev@...r.kernel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        Jacob Keller <jacob.e.keller@...el.com>,
        intel-wired-lan@...ts.osuosl.org,
        Alexander Lobakin <aleksander.lobakin@...el.com>,
        linux-hardening@...r.kernel.org, Steven Zou <steven.zou@...el.com>,
        Przemek Kitszel <przemyslaw.kitszel@...el.com>
Subject: Re: [PATCH net-next v3 1/7] overflow: add DEFINE_FLEX() for on-stack
 allocs

Hi Przemek,

kernel test robot noticed the following build errors:

[auto build test ERROR on 479b322ee6feaff612285a0e7f22c022e8cd84eb]

url:    https://github.com/intel-lab-lkp/linux/commits/Przemek-Kitszel/overflow-add-DEFINE_FLEX-for-on-stack-allocs/20230816-221402
base:   479b322ee6feaff612285a0e7f22c022e8cd84eb
patch link:    https://lore.kernel.org/r/20230816140623.452869-2-przemyslaw.kitszel%40intel.com
patch subject: [PATCH net-next v3 1/7] overflow: add DEFINE_FLEX() for on-stack allocs
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20230817/202308170000.YqabIR9D-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308170000.YqabIR9D-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308170000.YqabIR9D-lkp@intel.com/

All errors (new ones prefixed by >>):

>> thread 'main' panicked at '"ftrace_branch_data_union_(anonymous_at_include/linux/compiler_types_h_144_2)" is not a valid Ident', /opt/cross/rustc-1.68.2-bindgen-0.56.0/cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.24/src/fallback.rs:693:9
   stack backtrace:
      0: rust_begin_unwind
                at /rustc/9eb3afe9ebe9c7d2b84b71002d44f4a0edac95e0/library/std/src/panicking.rs:575:5
      1: core::panicking::panic_fmt
                at /rustc/9eb3afe9ebe9c7d2b84b71002d44f4a0edac95e0/library/core/src/panicking.rs:64:14
      2: proc_macro2::fallback::Ident::_new
      3: proc_macro2::Ident::new
      4: bindgen::ir::context::BindgenContext::rust_ident
      5: <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen
      6: <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen
      7: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
      8: <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen
      9: <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen
     10: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
     11: <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen
     12: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
     13: bindgen::ir::context::BindgenContext::gen
     14: bindgen::Builder::generate
     15: bindgen::main
   note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
   make[3]: *** [rust/Makefile:316: rust/uapi/uapi_generated.rs] Error 1
   make[3]: *** Deleting file 'rust/uapi/uapi_generated.rs'
>> thread 'main' panicked at '"ftrace_branch_data_union_(anonymous_at_include/linux/compiler_types_h_144_2)" is not a valid Ident', /opt/cross/rustc-1.68.2-bindgen-0.56.0/cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.24/src/fallback.rs:693:9
   stack backtrace:
      0: rust_begin_unwind
                at /rustc/9eb3afe9ebe9c7d2b84b71002d44f4a0edac95e0/library/std/src/panicking.rs:575:5
      1: core::panicking::panic_fmt
                at /rustc/9eb3afe9ebe9c7d2b84b71002d44f4a0edac95e0/library/core/src/panicking.rs:64:14
      2: proc_macro2::fallback::Ident::_new
      3: proc_macro2::Ident::new
      4: bindgen::ir::context::BindgenContext::rust_ident
      5: <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen
      6: <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen
      7: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
      8: <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen
      9: <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen
     10: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
     11: <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen
     12: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
     13: bindgen::ir::context::BindgenContext::gen
     14: bindgen::Builder::generate
     15: bindgen::main
   note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
   make[3]: *** [rust/Makefile:310: rust/bindings/bindings_generated.rs] Error 1
   make[3]: *** Deleting file 'rust/bindings/bindings_generated.rs'
   make[3]: Target 'rust/' not remade because of errors.
   make[2]: *** [Makefile:1293: prepare] Error 2
   make[1]: *** [Makefile:234: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:234: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

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