git: 99275445a424 - stable/13 - sockets: fix setsockopt(SO_RCVTIMEO) on a listening socket

The branch stable/13 has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=99275445a424f6ed2724ffefa8770d9faca1e71b

commit 99275445a424f6ed2724ffefa8770d9faca1e71b
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2022-08-03 23:28:38 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2022-08-03 23:28:38 +0000

    sockets: fix setsockopt(SO_RCVTIMEO) on a listening socket
    
    (cherry-picked from commit c261510ef5fce9eaf4c30685c317c1f8ec415eda)
---
 sys/kern/uipc_socket.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c
index 8f2122c98ef5..ce7279357fab 100644
--- a/sys/kern/uipc_socket.c
+++ b/sys/kern/uipc_socket.c
@@ -2996,7 +2996,7 @@ sosetopt(struct socket *so, struct sockopt *sopt)
 	int	error, optval;
 	struct	linger l;
 	struct	timeval tv;
-	sbintime_t val;
+	sbintime_t val, *valp;
 	uint32_t val32;
 #ifdef MAC
 	struct mac extmac;
@@ -3135,14 +3135,14 @@ sosetopt(struct socket *so, struct sockopt *sopt)
 				val = SBT_MAX;
 			else
 				val = tvtosbt(tv);
-			switch (sopt->sopt_name) {
-			case SO_SNDTIMEO:
-				so->so_snd.sb_timeo = val;
-				break;
-			case SO_RCVTIMEO:
-				so->so_rcv.sb_timeo = val;
-				break;
-			}
+			SOCK_LOCK(so);
+			valp = sopt->sopt_name == SO_SNDTIMEO ?
+			    (SOLISTENING(so) ? &so->sol_sbsnd_timeo :
+			    &so->so_snd.sb_timeo) :
+			    (SOLISTENING(so) ? &so->sol_sbrcv_timeo :
+			    &so->so_rcv.sb_timeo);
+			*valp = val;
+			SOCK_UNLOCK(so);
 			break;
 
 		case SO_LABEL:
@@ -3324,8 +3324,13 @@ integer:
 
 		case SO_SNDTIMEO:
 		case SO_RCVTIMEO:
+			SOCK_LOCK(so);
 			tv = sbttotv(sopt->sopt_name == SO_SNDTIMEO ?
-			    so->so_snd.sb_timeo : so->so_rcv.sb_timeo);
+			    (SOLISTENING(so) ? so->sol_sbsnd_timeo :
+			    so->so_snd.sb_timeo) :
+			    (SOLISTENING(so) ? so->sol_sbrcv_timeo :
+			    so->so_rcv.sb_timeo));
+			SOCK_UNLOCK(so);
 #ifdef COMPAT_FREEBSD32
 			if (SV_CURPROC_FLAG(SV_ILP32)) {
 				struct timeval32 tv32;