kernel/gcov/fs.c:103: warning: Excess struct member 'buffer' description in 'gcov_iterator'
From: kernel test robot
Date: Thu Dec 14 2023 - 15:55:02 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd
commit: fbd126f5a658b92c7f6af986a6d89cf5e5693268 gcov: annotate struct gcov_iterator with __counted_by
date: 8 weeks ago
config: i386-buildonly-randconfig-001-20231214 (https://download.01.org/0day-ci/archive/20231215/202312150432.oBngC94A-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312150432.oBngC94A-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312150432.oBngC94A-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> kernel/gcov/fs.c:103: warning: Excess struct member 'buffer' description in 'gcov_iterator'
vim +103 kernel/gcov/fs.c
7a1d55b987dfcb Johannes Berg 2021-05-06 90
7a1d55b987dfcb Johannes Berg 2021-05-06 91 /**
7a1d55b987dfcb Johannes Berg 2021-05-06 92 * struct gcov_iterator - specifies current file position in logical records
7a1d55b987dfcb Johannes Berg 2021-05-06 93 * @info: associated profiling data
7a1d55b987dfcb Johannes Berg 2021-05-06 94 * @buffer: buffer containing file data
7a1d55b987dfcb Johannes Berg 2021-05-06 95 * @size: size of buffer
7a1d55b987dfcb Johannes Berg 2021-05-06 96 * @pos: current position in file
7a1d55b987dfcb Johannes Berg 2021-05-06 97 */
7a1d55b987dfcb Johannes Berg 2021-05-06 98 struct gcov_iterator {
7a1d55b987dfcb Johannes Berg 2021-05-06 99 struct gcov_info *info;
7a1d55b987dfcb Johannes Berg 2021-05-06 100 size_t size;
7a1d55b987dfcb Johannes Berg 2021-05-06 101 loff_t pos;
fbd126f5a658b9 Kees Cook 2023-09-22 102 char buffer[] __counted_by(size);
7a1d55b987dfcb Johannes Berg 2021-05-06 @103 };
7a1d55b987dfcb Johannes Berg 2021-05-06 104
:::::: The code at line 103 was first introduced by commit
:::::: 7a1d55b987dfcbddecdb67eecc76fe555d4348ba gcov: combine common code
:::::: TO: Johannes Berg <johannes.berg@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
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