Author: trasz
Date: Mon Aug 24 15:49:37 2020
New Revision: 364694
URL: https://svnweb.freebsd.org/changeset/base/364694
Log:
MFC r347537 by dchagin:
Linuxulator getpeername() returns EINVAL in case then namelen less then 0.
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 Mon Aug 24 15:45:42 2020
(r364693)
+++ stable/12/sys/compat/linux/linux_socket.c Mon Aug 24 15:49:37 2020
(r364694)
@@ -729,6 +729,8 @@ linux_getpeername(struct thread *td, struct linux_getp
error = copyin(PTRIN(args->namelen), &len, sizeof(len));
if (error != 0)
return (error);
+ if (len < 0)
+ return (EINVAL);
error = kern_getpeername(td, args->s, &sa, &len);
if (error != 0)
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