On Thu, Jan 11, 2024 at 04:23:09PM +0530, Naresh Kamboju wrote: > Following build failures noticed on i386 and x86 with clang builds on the > Linux next-20240111 tag. > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > Build error: > ---------- > mm/vmalloc.c:4691:25: error: variable 'addr' is uninitialized when > used here [-Werror,-Wuninitialized] > 4691 | va = __find_vmap_area(addr, &vn->busy.root); > | ^~~~ > mm/vmalloc.c:4684:20: note: initialize the variable 'addr' to silence > this warning > 4684 | unsigned long addr; > | ^ > | = 0 > 1 error generated. We turned off uninitialized variable warnings for GCC a long time ago... :/ I don't know if we'll be able to re-enable it in a -Werror world although Clang seems to be managing alright so perhaps there is hope. regards, dan carpenter