Date: Mon, 24 Aug 2020 15:49:37 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r364694 - stable/12/sys/compat/linux Message-ID: <202008241549.07OFnbQ8049205@repo.freebsd.org>
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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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