git: 44c89ec74d0a - stable/13 - linux(4): Overwrite SO_TIMESTAMP counterpart

The branch stable/13 has been updated by dchagin:

URL: https://cgit.FreeBSD.org/src/commit/?id=44c89ec74d0aefe8402a12fcc687536ae9dca61a

commit 44c89ec74d0aefe8402a12fcc687536ae9dca61a
Author:     Dmitry Chagin <dchagin@FreeBSD.org>
AuthorDate: 2022-05-28 20:46:38 +0000
Commit:     Dmitry Chagin <dchagin@FreeBSD.org>
CommitDate: 2022-06-17 19:35:35 +0000

    linux(4): Overwrite SO_TIMESTAMP counterpart
    
    A socket cannot mix SO_TIMESTAMP and SO_TIMESTAMPNS: the two modes
    are mutually exclusive.
    
    MFC after:              2 weeks
    
    (cherry picked from commit 53494b918d63a5b31793ce7f66569d4bd03f5817)
---
 sys/compat/linux/linux_socket.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
index 401e1bc5c88f..3fea532d676d 100644
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -1984,7 +1984,7 @@ linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args)
 	struct sockaddr *sa;
 	struct timeval tv;
 	socklen_t len;
-	int error, level, name;
+	int error, level, name, val;
 
 	level = linux_to_bsd_sockopt_level(args->level);
 	switch (level) {
@@ -2007,10 +2007,22 @@ linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args)
 			    name, &tv, UIO_SYSSPACE, sizeof(tv)));
 			/* NOTREACHED */
 		case SO_TIMESTAMP:
+			/* overwrite SO_BINTIME */
+			val = 0;
+			error = kern_setsockopt(td, args->s, level,
+			    SO_BINTIME, &val, UIO_SYSSPACE, sizeof(val));
+			if (error != 0)
+				return (error);
 			pem = pem_find(p);
 			pem->so_timestamp = args->optname;
 			break;
 		case SO_BINTIME:
+			/* overwrite SO_TIMESTAMP */
+			val = 0;
+			error = kern_setsockopt(td, args->s, level,
+			    SO_TIMESTAMP, &val, UIO_SYSSPACE, sizeof(val));
+			if (error != 0)
+				return (error);
 			pem = pem_find(p);
 			pem->so_timestampns = args->optname;
 			break;