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TCP BBR: fix integer overflow

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Use 64-bit arithmetic.

Reviewed by:		rrs
CID:			1523806
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D48302

(cherry picked from commit 88766e7af52bbde32b14ad48fb76798a3ba4650c)
This commit is contained in:
Michael Tuexen 2025-01-03 19:44:43 +01:00
parent c3322bb468
commit c178bc1934
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/tcp_stacks/bbr.c
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@ -3842,7 +3842,7 @@ bbr_post_recovery(struct tcpcb *tp)
else if (bbr->r_ctl.rc_delivered == 0)
lr2use = 1000;
else {
lr2use = bbr->r_ctl.rc_lost * 1000;
lr2use = (uint64_t)bbr->r_ctl.rc_lost * (uint64_t)1000;
lr2use /= bbr->r_ctl.rc_delivered;
}
lr2use += bbr->r_ctl.recovery_lr;