Date: Sun, 3 Sep 2000 05:04:41 -0700 (PDT) From: Don Lewis <Don.Lewis@tsc.tdk.com> To: arch@freebsd.org Subject: width of cr_ref Message-ID: <200009031204.FAA19222@salsa.gv.tsc.tdk.com>
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Now that sockets hold a reference to the ucred structure, should cr_ref
be a wider type? Really busy servers with a lot of sockets owned by one
user might overflow cr_ref, causing mysterious crashes when the ucred
structure is freed too early.
struct ucred {
u_short cr_ref; /* reference count */
uid_t cr_uid; /* effective user id */
short cr_ngroups; /* number of groups */
gid_t cr_groups[NGROUPS]; /* groups */
};
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