Date: Fri, 9 Jan 2009 15:13:47 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-6@freebsd.org Subject: svn commit: r186954 - in stable/6/sys: . kern Message-ID: <200901091513.n09FDluo060241@svn.freebsd.org>
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Author: pho Date: Fri Jan 9 15:13:46 2009 New Revision: 186954 URL: http://svn.freebsd.org/changeset/base/186954 Log: MFC r186510: Prevent overflow of uio_resid. Approved by: kib Modified: stable/6/sys/ (props changed) stable/6/sys/kern/vfs_syscalls.c Modified: stable/6/sys/kern/vfs_syscalls.c ============================================================================== --- stable/6/sys/kern/vfs_syscalls.c Fri Jan 9 14:41:36 2009 (r186953) +++ stable/6/sys/kern/vfs_syscalls.c Fri Jan 9 15:13:46 2009 (r186954) @@ -3697,6 +3697,8 @@ getdirentries(td, uap) int error, eofflag; AUDIT_ARG(fd, uap->fd); + if (uap->count > INT_MAX) + return (EINVAL); if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0) return (error); if ((fp->f_flag & FREAD) == 0) {
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