On Thu, May 02, 2024 at 03:33:40PM -0700, Kees Cook wrote: > Underflow of f_count needs to be more carefully detected than it > currently is. The results of get_file() should be checked, but the > first step is detection. Redefine f_count from atomic_long_t to > refcount_long_t.
It is used on fairly hot paths. What's more, it's not
at all obvious what the hell would right semantics be.
NAKed-by: Al Viro <v...@zeniv.linux.org.uk>
