The branch main has been updated by kbowling (ports committer):
URL:
https://cgit.FreeBSD.org/src/commit/?id=a61c24ddb7d677337d6184ffcee34a6e902d72d7
commit a61c24ddb7d677337d6184ffcee34a6e902d72d7
Author: Konstantin Kukushkin <darkdestruc...@rambler.ru>
AuthorDate: 2021-08-01 14:41:38 +0000
Commit: Kevin Bowling <kbowl...@freebsd.org>
CommitDate: 2021-08-01 15:07:33 +0000
udp: Fix soroverflow SOCKBUF unlocking
We hold the SOCKBUF_LOCK so use soroverflow_locked here.
This bug may manifest as a non-killable process stuck in [*so_rcv].
Approved by: scottl
Reviewed by: Roy Marples <r...@marples.name>
Fixes: 7045b1603bdf
MFC after: 10 days
Differential Revision: https://reviews.freebsd.org/D31374
---
sys/netinet/udp_usrreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
index ed79ddce5109..76ed063391eb 100644
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -379,7 +379,7 @@ udp_append(struct inpcb *inp, struct ip *ip, struct mbuf
*n, int off,
so = inp->inp_socket;
SOCKBUF_LOCK(&so->so_rcv);
if (sbappendaddr_locked(&so->so_rcv, append_sa, n, opts) == 0) {
- soroverflow(so);
+ soroverflow_locked(so);
m_freem(n);
if (opts)
m_freem(opts);
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