https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271874
Bug ID: 271874
Summary: login_getpath etc. leak memory contrary to manpage
Product: Base System
Version: 13.2-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
The manpage for login_getpath, login_getcapstr, etc., explicitly says that
returned strings are not to be freed, that the memory will be reused or freed
on login_close.
This is an outright lie; the memory is just leaked. Most callers probably don't
care about this, since they're setting up for an exec, but some do,
This isn't new; it was raised nearly 10 YEARS AGO in #195128, which remains
open and unfixed. However, I suggest that the right fix might be to leave the
code alone and change the manpage; at least OpenBSD explicitly documents that
returned capability strings are to be freed if they are not the passed-in
def/err values.
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