Author: markj
Date: Tue Jan 22 02:02:12 2019
New Revision: 343293
URL: https://svnweb.freebsd.org/changeset/base/343293
Log:
MFC r342864:
Specify the correct option level when emulating SO_PEERCRED.
PR: 234722
Modified:
stable/12/sys/compat/linux/linux_socket.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/compat/linux/linux_socket.c
==============================================================================
--- stable/12/sys/compat/linux/linux_socket.c Tue Jan 22 01:44:47 2019
(r343292)
+++ stable/12/sys/compat/linux/linux_socket.c Tue Jan 22 02:02:12 2019
(r343293)
@@ -1632,6 +1632,11 @@ linux_getsockopt(struct thread *td, struct linux_getso
case LOCAL_PEERCRED:
if (args->optlen < sizeof(lxu))
return (EINVAL);
+ /*
+ * LOCAL_PEERCRED is not served at the SOL_SOCKET level,
+ * but by the Unix socket's level 0.
+ */
+ bsd_args.level = 0;
xulen = sizeof(xu);
error = kern_getsockopt(td, args->s, bsd_args.level,
name, &xu, UIO_SYSSPACE, &xulen);
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