Date: Sat, 18 Mar 2017 18:31:04 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r315503 - head/sys/compat/linux Message-ID: <201703181831.v2IIV43X071159@repo.freebsd.org>
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Author: dchagin Date: Sat Mar 18 18:31:04 2017 New Revision: 315503 URL: https://svnweb.freebsd.org/changeset/base/315503 Log: As noted by Roel Bouwman Linux allows a large buffer size than the struct ucred size. Fix this. PR: 102956 Reported by: Roel Bouwman <roel at qsp nl> MFC after: 1 week Modified: head/sys/compat/linux/linux_socket.c Modified: head/sys/compat/linux/linux_socket.c ============================================================================== --- head/sys/compat/linux/linux_socket.c Sat Mar 18 18:26:56 2017 (r315502) +++ head/sys/compat/linux/linux_socket.c Sat Mar 18 18:31:04 2017 (r315503) @@ -1619,7 +1619,7 @@ linux_getsockopt(struct thread *td, stru sizeof(linux_tv))); /* NOTREACHED */ case LOCAL_PEERCRED: - if (args->optlen != sizeof(lxu)) + if (args->optlen < sizeof(lxu)) return (EINVAL); xulen = sizeof(xu); error = kern_getsockopt(td, args->s, bsd_args.level,
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