CVSROOT: /cvs Module name: src Changes by: bl...@cvs.openbsd.org 2022/01/20 10:11:31
Modified files:
sys/kern : subr_prf.c
Log message:
snprintf(9) allows NULL string if size is 0. But doing NULL pointer
arithmetic is undefined behavior. Check that size is positive
before adding to pointer. While there, use NUL char for string
termination.
found by kubsan; joint work with tobhe@; OK millert@
