[kees:for-next/hardening 2/2] drivers/misc/lkdtm/bugs.c:302:1: warning: 'noreturn' function does return

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
head:   edb6538da3df83806fffcfc1b873d0895c81b9e8
commit: edb6538da3df83806fffcfc1b873d0895c81b9e8 [2/2] lkdtm/bugs: Adjust lkdtm_HUNG_TASK() to avoid tail call optimization
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20240126/202401262204.wUFKRYZF-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240126/202401262204.wUFKRYZF-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/202401262204.wUFKRYZF-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   arch/mips/kernel/head.o: in function `__kernel_entry':
>> (.text+0x0): relocation truncated to fit: R_MIPS_26 against `kernel_entry'
   arch/mips/kernel/head.o: in function `smp_bootstrap':
>> (.ref.text+0xd8): relocation truncated to fit: R_MIPS_26 against `start_secondary'
   init/main.o: in function `set_reset_devices':
   main.c:(.init.text+0x10): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0x18): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `debug_kernel':
   main.c:(.init.text+0x50): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0x58): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `quiet_kernel':
   main.c:(.init.text+0x90): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0x98): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `warn_bootconfig':
   main.c:(.init.text+0xd0): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0xd8): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `init_setup':
   main.c:(.init.text+0x108): additional relocation overflows omitted from the output
--
   drivers/misc/lkdtm/bugs.c: In function 'lkdtm_HUNG_TASK':
>> drivers/misc/lkdtm/bugs.c:302:1: warning: 'noreturn' function does return
     302 | }
         | ^


vim +/noreturn +302 drivers/misc/lkdtm/bugs.c

00f496c416122e drivers/misc/lkdtm_bugs.c Kees Cook        2016-06-26  296  
edb6538da3df83 drivers/misc/lkdtm/bugs.c Douglas Anderson 2024-01-22  297  static void __noreturn lkdtm_HUNG_TASK(void)
00f496c416122e drivers/misc/lkdtm_bugs.c Kees Cook        2016-06-26  298  {
00f496c416122e drivers/misc/lkdtm_bugs.c Kees Cook        2016-06-26  299  	set_current_state(TASK_UNINTERRUPTIBLE);
00f496c416122e drivers/misc/lkdtm_bugs.c Kees Cook        2016-06-26  300  	schedule();
edb6538da3df83 drivers/misc/lkdtm/bugs.c Douglas Anderson 2024-01-22  301  	BUG_ON(1);
00f496c416122e drivers/misc/lkdtm_bugs.c Kees Cook        2016-06-26 @302  }
00f496c416122e drivers/misc/lkdtm_bugs.c Kees Cook        2016-06-26  303  

:::::: The code at line 302 was first introduced by commit
:::::: 00f496c416122e7f5a572a4511cf87c7240ba761 lkdtm: split remaining logic bug tests to separate file

:::::: TO: Kees Cook <keescook@chromium.org>
:::::: CC: Kees Cook <keescook@chromium.org>

-- 
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https://github.com/intel/lkp-tests/wiki