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| author | Michael Tuexen <tuexen@FreeBSD.org> | 2021-05-24 18:31:23 +0000 |
|---|---|---|
| committer | Richard Scheffenegger <rscheff@FreeBSD.org> | 2021-06-09 10:51:50 +0000 |
| commit | 71b88ee39fc6427b6353e9210710a947a27f383f (patch) | |
| tree | 401fca013673f85c49f5e768f2bce9acb23d6b9d | |
| parent | 0230e6cf56eb6be41b075537a4752b898d27cc1d (diff) | |
| download | src-71b88ee39fc6427b6353e9210710a947a27f383f.tar.gz src-71b88ee39fc6427b6353e9210710a947a27f383f.zip | |
tcp: fix a RACK socket buffer lock issue
Fix a missing socket buffer unlocking of the socket receive buffer.
Reviewed by: gallatin, rrs
MFC after: 1 week
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D30402
(cherry picked from commit 9bbd1a8fcb13928cd4b6cfddf0a8359d5dc97451)
| -rw-r--r-- | sys/netinet/tcp_stacks/rack.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c index bd17749bbd0e..f010c958951c 100644 --- a/sys/netinet/tcp_stacks/rack.c +++ b/sys/netinet/tcp_stacks/rack.c @@ -6063,7 +6063,7 @@ rack_clone_rsm(struct tcp_rack *rack, struct rack_sendmap *nrsm, /* Push bit must go to the right edge as well */ if (rsm->r_flags & RACK_HAD_PUSH) rsm->r_flags &= ~RACK_HAD_PUSH; - + /* * Now we need to find nrsm's new location in the mbuf chain * we basically calculate a new offset, which is soff + @@ -10492,6 +10492,7 @@ rack_do_fastnewdata(struct mbuf *m, struct tcphdr *th, struct socket *so, rack_handle_delayed_ack(tp, rack, tlen, 0); if (tp->snd_una == tp->snd_max) sack_filter_clear(&rack->r_ctl.rack_sf, tp->snd_una); + tcp_handle_wakeup(tp, so); return (1); } |