On Fri, Jun 05, 2020 at 06:17:51AM -0700, Eric Dumazet wrote: > On Fri, Jun 5, 2020 at 1:10 AM kernel test robot <rong.a.c...@intel.com> > wrote:
> There you go. > > We decided this was a bogus report, and that UBSAN requires sane compilers. > > Please read the fine comment that was added in this commit and update > your compiler or do not mess with compiler flags. > > + /* If UBSAN reports an error there, please make sure your compiler > + * supports -fno-strict-overflow before reporting it that was a bug > + * in UBSAN, and it has been fixed in GCC-8. > + */ > + return atomic_add_return(segs + delta, p_id) - segs; > > make HOSTCC=gcc-4.9 CC=gcc-4.9 ARCH=i386 olddefconfig prepare > > modules_prepare bzImage Rong, can you make sure to exclude gcc<8 for UBSAN reports ?
