Re: [PATCH bpf-next v2 1/2] bpf: Add interval and tnum analysis for signed and unsigned BPF_DIV

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

Hi Yazhou,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Yazhou-Tang/bpf-Add-interval-and-tnum-analysis-for-signed-and-unsigned-BPF_DIV/20251223-171652
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20251223091120.2413435-2-tangyazhou%40zju.edu.cn
patch subject: [PATCH bpf-next v2 1/2] bpf: Add interval and tnum analysis for signed and unsigned BPF_DIV
config: m68k-hp300_defconfig (https://download.01.org/0day-ci/archive/20251224/202512242039.MsW4xvOa-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512242039.MsW4xvOa-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/202512242039.MsW4xvOa-lkp@intel.com/

All errors (new ones prefixed by >>):

   m68k-linux-ld: kernel/bpf/verifier.o: in function `__sdiv_range':
>> verifier.c:(.text+0xff6): undefined reference to `__divdi3'
>> m68k-linux-ld: verifier.c:(.text+0x103a): undefined reference to `__divdi3'
   m68k-linux-ld: verifier.c:(.text+0x108c): undefined reference to `__divdi3'
   m68k-linux-ld: verifier.c:(.text+0x10dc): undefined reference to `__divdi3'
   m68k-linux-ld: kernel/bpf/verifier.o: in function `adjust_scalar_min_max_vals':
>> verifier.c:(.text+0x11c2a): undefined reference to `__udivdi3'
   m68k-linux-ld: kernel/bpf/tnum.o: in function `tnum_udiv':
>> tnum.c:(.text+0x636): undefined reference to `__udivdi3'
>> m68k-linux-ld: tnum.c:(.text+0x678): undefined reference to `__udivdi3'
   m68k-linux-ld: kernel/bpf/tnum.o: in function `tnum_sdiv':
>> tnum.c:(.text+0xc92): undefined reference to `__divdi3'

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