diff options
| -rw-r--r-- | sys/kern/kern_timeout.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/kern/kern_timeout.c b/sys/kern/kern_timeout.c index 507e3b0..98a6df3 100644 --- a/sys/kern/kern_timeout.c +++ b/sys/kern/kern_timeout.c @@ -572,6 +572,8 @@ callout_cc_add(struct callout *c, struct callout_cpu *cc, * Inform the eventtimers(4) subsystem there's a new callout * that has been inserted, but only if really required. */ + if (INT64_MAX - c->c_time < c->c_precision) + c->c_precision = INT64_MAX - c->c_time; sbt = c->c_time + c->c_precision; if (sbt < cc->cc_firstevent) { cc->cc_firstevent = sbt; @@ -949,7 +951,10 @@ callout_reset_sbt_on(struct callout *c, sbintime_t sbt, sbintime_t precision, to_sbt += tick_sbt; } else to_sbt = sbinuptime(); - to_sbt += sbt; + if (INT64_MAX - to_sbt < sbt) + to_sbt = INT64_MAX; + else + to_sbt += sbt; pr = ((C_PRELGET(flags) < 0) ? sbt >> tc_precexp : sbt >> C_PRELGET(flags)); if (pr > precision) |
