May I have 2 code reviewers for:
6911329 Incorrect code in kstat_delete causes panic
http://cr.opensolaris.org/~batschul/onnvkstat/
Description
A colleague was looking into a crash and the reason turned out to be a NULL
pointer dereference in kstat_delete():
kstat_delete(kstat_t *ksp)
{ kmutex_t *lp;
ekstat_t *e = (ekstat_t *)ksp;
zoneid_t zoneid = e->e_zone.zoneid;
kstat_zone_t *kz;
if (ksp == NULL)
return;
Note that there is a dereference of 'ksp' [via 'e'] before the check for ksp
being NULL.
unfortunately we don't have a dump/stacktrace anymore to inspect who
called kstat_delete(NULL) and why.
thanks
frankB
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