WARNING: modpost: vmlinux: section mismatch in reference: prb_rec_init_rd+0x1b (section: .text.prb_rec_init_rd) -> setup_text_buf (section: .init.data)

WARNING: modpost: vmlinux: section mismatch in reference: prb_rec_init_rd+0x1b (section: .text.prb_rec_init_rd) -> setup_text_buf (section: .init.data)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   715ca9dd687f89ddaac8ec8ccb3b5e5a30311a99
commit: 53585f9ea40a9466ab9c1151f15984513eb542f7 um: enable UBSAN
date:   4 months ago
config: um-randconfig-r111-20241019 (https://download.01.org/0day-ci/archive/20241020/202410201635.Y0YWnfZL-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bfe84f7085d82d06d61c632a7bad1e692fd159e4)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241020/202410201635.Y0YWnfZL-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/oe-kbuild-all/202410201635.Y0YWnfZL-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux: section mismatch in reference: prb_rec_init_rd+0x1b (section: .text.prb_rec_init_rd) -> setup_text_buf (section: .init.data)
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/locktorture.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp855.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp860.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp861.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp949.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp1250.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_iso8859-5.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_iso8859-6.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_iso8859-9.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_koi8-r.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-centeuro.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-gaelic.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-greek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-romanian.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/binfmt_script.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/jbd2/jbd2.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/hpfs/hpfs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/btrfs/btrfs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in security/keys/encrypted-keys/encrypted-keys.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/math/prime_numbers.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/crypto/libsha256.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/zlib_deflate/zlib_deflate.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pinctrl/pinctrl-mcp23s08_i2c.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pinctrl/pinctrl-mcp23s08.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/regulator/max20411-regulator.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/regulator/tps6286x-regulator.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/tty/ttynull.o
WARNING: modpost: EXPORT symbol "cmpxchg8b_emu" [vmlinux] version generation failed, symbol will not be versioned.
Is "cmpxchg8b_emu" prototyped in <asm/asm-prototypes.h>?
WARNING: modpost: EXPORT symbol "csum_partial" [vmlinux] version generation failed, symbol will not be versioned.
Is "csum_partial" prototyped in <asm/asm-prototypes.h>?
WARNING: modpost: "cmpxchg8b_emu" [fs/xfs/xfs.ko] has no CRC!
WARNING: modpost: "cmpxchg8b_emu" [fs/bcachefs/bcachefs.ko] has no CRC!
WARNING: modpost: "csum_partial" [block/t10-pi.ko] has no CRC!
WARNING: modpost: "cmpxchg8b_emu" [lib/test_lockup.ko] has no CRC!
WARNING: modpost: "csum_partial" [drivers/scsi/scsi_debug.ko] has no CRC!

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