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From: kernel test robot <lkp@intel.com>
To: Ming Lei <ming.lei@redhat.com>, Jens Axboe <axboe@kernel.dk>,
	<io-uring@vger.kernel.org>
Cc: <llvm@lists.linux.dev>, <oe-kbuild-all@lists.linux.dev>,
	"Caleb Sander Mateos" <csander@purestorage.com>,
	Akilesh Kailash <akailash@google.com>, <bpf@vger.kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH 3/5] io_uring: bpf: extend io_uring with bpf struct_ops
Date: Sat, 8 Nov 2025 14:53:54 +0800	[thread overview]
Message-ID: <aQ7pAuXIw11QfXm1@rli9-mobl> (raw)
In-Reply-To: <20251104162123.1086035-4-ming.lei@redhat.com>

Hi Ming,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20251104]
[cannot apply to bpf-next/net bpf-next/master bpf/master linus/master v6.18-rc4 v6.18-rc3 v6.18-rc2 v6.18-rc4]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ming-Lei/io_uring-prepare-for-extending-io_uring-with-bpf/20251105-002757
base:   next-20251104
patch link:    https://lore.kernel.org/r/20251104162123.1086035-4-ming.lei%40redhat.com
patch subject: [PATCH 3/5] io_uring: bpf: extend io_uring with bpf struct_ops
:::::: branch date: 3 days ago
:::::: commit date: 3 days ago
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20251108/202511080004.DkwIEtwd-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251108/202511080004.DkwIEtwd-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/202511080004.DkwIEtwd-lkp@intel.com/

All errors (new ones prefixed by >>):

   io_uring/bpf.c:29:28: warning: unused function 'uring_bpf_get_flags' [-Wunused-function]
      29 | static inline unsigned int uring_bpf_get_flags(unsigned int op_flags)
         |                            ^~~~~~~~~~~~~~~~~~~
   In file included from io_uring/bpf.c:14:
   In file included from io_uring/io_uring.h:9:
>> include/linux/io_uring_types.h:655:2: error: call to '__compiletime_assert_586' declared with 'error' attribute: BUILD_BUG_ON failed: cmd_sz > sizeof(struct io_cmd_data)
     655 |         BUILD_BUG_ON(cmd_sz > sizeof(struct io_cmd_data));
         |         ^
   include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^
   include/linux/compiler_types.h:603:2: note: expanded from macro 'compiletime_assert'
     603 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^
   include/linux/compiler_types.h:591:2: note: expanded from macro '_compiletime_assert'
     591 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:584:4: note: expanded from macro '__compiletime_assert'
     584 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:174:1: note: expanded from here
     174 | __compiletime_assert_586
         | ^
   In file included from io_uring/bpf.c:14:
   In file included from io_uring/io_uring.h:9:
>> include/linux/io_uring_types.h:655:2: error: call to '__compiletime_assert_586' declared with 'error' attribute: BUILD_BUG_ON failed: cmd_sz > sizeof(struct io_cmd_data)
   include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^
   include/linux/compiler_types.h:603:2: note: expanded from macro 'compiletime_assert'
     603 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^
   include/linux/compiler_types.h:591:2: note: expanded from macro '_compiletime_assert'
     591 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:584:4: note: expanded from macro '__compiletime_assert'
     584 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:174:1: note: expanded from here
     174 | __compiletime_assert_586
         | ^
   In file included from io_uring/bpf.c:14:
   In file included from io_uring/io_uring.h:9:
>> include/linux/io_uring_types.h:655:2: error: call to '__compiletime_assert_586' declared with 'error' attribute: BUILD_BUG_ON failed: cmd_sz > sizeof(struct io_cmd_data)
   include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^
   include/linux/compiler_types.h:603:2: note: expanded from macro 'compiletime_assert'
     603 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^
   include/linux/compiler_types.h:591:2: note: expanded from macro '_compiletime_assert'
     591 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:584:4: note: expanded from macro '__compiletime_assert'
     584 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:174:1: note: expanded from here
     174 | __compiletime_assert_586
         | ^
   In file included from io_uring/bpf.c:14:
   In file included from io_uring/io_uring.h:9:
>> include/linux/io_uring_types.h:655:2: error: call to '__compiletime_assert_586' declared with 'error' attribute: BUILD_BUG_ON failed: cmd_sz > sizeof(struct io_cmd_data)
   include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^
   include/linux/compiler_types.h:603:2: note: expanded from macro 'compiletime_assert'
     603 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^
   include/linux/compiler_types.h:591:2: note: expanded from macro '_compiletime_assert'
     591 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:584:4: note: expanded from macro '__compiletime_assert'
     584 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:174:1: note: expanded from here
     174 | __compiletime_assert_586
         | ^
   In file included from io_uring/bpf.c:14:
   In file included from io_uring/io_uring.h:9:
>> include/linux/io_uring_types.h:655:2: error: call to '__compiletime_assert_586' declared with 'error' attribute: BUILD_BUG_ON failed: cmd_sz > sizeof(struct io_cmd_data)
   include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^
   include/linux/compiler_types.h:603:2: note: expanded from macro 'compiletime_assert'
     603 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^
   include/linux/compiler_types.h:591:2: note: expanded from macro '_compiletime_assert'
     591 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:584:4: note: expanded from macro '__compiletime_assert'
     584 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:174:1: note: expanded from here
     174 | __compiletime_assert_586
         | ^
   1 warning and 5 errors generated.


vim +655 include/linux/io_uring_types.h

e27f928ee1cb06 io_uring/io_uring_types.h      Jens Axboe          2022-05-24  652  
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  653  static inline void io_kiocb_cmd_sz_check(size_t cmd_sz)
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  654  {
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11 @655  	BUILD_BUG_ON(cmd_sz > sizeof(struct io_cmd_data));
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  656  }
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  657  #define io_kiocb_to_cmd(req, cmd_type) ( \
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  658  	io_kiocb_cmd_sz_check(sizeof(cmd_type)) , \
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  659  	((cmd_type *)&(req)->cmd) \
f2ccb5aed7bce1 include/linux/io_uring_types.h Stefan Metzmacher   2022-08-11  660  )
09fdd35162c289 include/linux/io_uring_types.h Caleb Sander Mateos 2025-02-28  661  

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


  parent reply	other threads:[~2025-11-08  6:54 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-04 16:21 [PATCH 0/5] io_uring: add IORING_OP_BPF for extending io_uring Ming Lei
2025-11-04 16:21 ` [PATCH 1/5] io_uring: prepare for extending io_uring with bpf Ming Lei
2025-12-31  1:13   ` Caleb Sander Mateos
2025-12-31  9:33     ` Ming Lei
2025-11-04 16:21 ` [PATCH 2/5] io_uring: bpf: add io_uring_ctx setup for BPF into one list Ming Lei
2025-12-31  1:13   ` Caleb Sander Mateos
2025-12-31  9:49     ` Ming Lei
2025-12-31 16:19       ` Caleb Sander Mateos
2025-11-04 16:21 ` [PATCH 3/5] io_uring: bpf: extend io_uring with bpf struct_ops Ming Lei
2025-11-07 19:02   ` kernel test robot
2025-11-08  6:53   ` kernel test robot [this message]
2025-11-13 10:32   ` Stefan Metzmacher
2025-11-13 10:59     ` Ming Lei
2025-11-13 11:19       ` Stefan Metzmacher
2025-11-14  3:00         ` Ming Lei
2025-12-08 22:45           ` Caleb Sander Mateos
2025-12-09  3:08             ` Ming Lei
2025-12-10 16:11               ` Caleb Sander Mateos
2025-11-19 14:39   ` Jonathan Corbet
2025-11-20  1:46     ` Ming Lei
2025-11-20  1:51       ` Ming Lei
2025-12-31  1:19   ` Caleb Sander Mateos
2025-12-31 10:32     ` Ming Lei
2025-12-31 16:48       ` Caleb Sander Mateos
2025-11-04 16:21 ` [PATCH 4/5] io_uring: bpf: add buffer support for IORING_OP_BPF Ming Lei
2025-11-13 10:42   ` Stefan Metzmacher
2025-11-13 11:04     ` Ming Lei
2025-11-13 11:25       ` Stefan Metzmacher
2025-12-31  1:42   ` Caleb Sander Mateos
2025-12-31 11:02     ` Ming Lei
2025-12-31 17:02       ` Caleb Sander Mateos
2025-11-04 16:21 ` [PATCH 5/5] io_uring: bpf: add io_uring_bpf_req_memcpy() kfunc Ming Lei
2025-11-07 18:51   ` kernel test robot
2025-12-31  1:42   ` Caleb Sander Mateos
2025-11-05 12:47 ` [PATCH 0/5] io_uring: add IORING_OP_BPF for extending io_uring Pavel Begunkov
2025-11-05 15:57   ` Ming Lei
2025-11-06 16:03     ` Pavel Begunkov
2025-11-07 15:54       ` Ming Lei
2025-11-11 14:07         ` Pavel Begunkov
2025-11-13  4:18           ` Ming Lei
2025-11-19 19:00             ` Pavel Begunkov

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