tree 155fa37c210749cb9e17304213d5648a4403bd7b
parent 21cf6e584ce35b79374581e6344dd7c74f8b4a2b
author Kees Cook <keescook@chromium.org> 1382706883 -0700
committer Michal Marek <mmarek@suse.cz> 1383773403 +0100

kbuild: replace unbounded sprintf call in modpost

The modpost tool could overflow its stack buffer if someone was running
with an insane shell environment. Regardless, it's technically a bug,
so this fixes it to truncate the string instead of seg-faulting.

Found by Coverity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>