diff options
author | Michael Tuexen <tuexen@FreeBSD.org> | 2025-01-03 18:44:43 +0000 |
---|---|---|
committer | Michael Tuexen <tuexen@FreeBSD.org> | 2025-01-03 18:44:43 +0000 |
commit | 88766e7af52bbde32b14ad48fb76798a3ba4650c (patch) | |
tree | 2e731a4fd6763d5105565bdc7c7977a16a25e298 | |
parent | d72f87c0fd1418bdb814594ea8fc76a202f7d5c6 (diff) |
TCP BBR: fix integer overflow
Use 64-bit arithmetic.
Reviewed by: rrs
CID: 1523806
MFC after: 1 week
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D48302
-rw-r--r-- | sys/netinet/tcp_stacks/bbr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c index fd5bcd81f25e..9e1f83df4298 100644 --- a/sys/netinet/tcp_stacks/bbr.c +++ b/sys/netinet/tcp_stacks/bbr.c @@ -3843,7 +3843,7 @@ 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; |