Date: Fri, 9 Jan 2009 13:53:44 +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-7@freebsd.org Subject: svn commit: r186950 - in stable/7/sys: . contrib/pf dev/cxgb kern Message-ID: <200901091353.n09DriYq058568@svn.freebsd.org>
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Author: pho Date: Fri Jan 9 13:53:44 2009 New Revision: 186950 URL: http://svn.freebsd.org/changeset/base/186950 Log: MFC r186510: Prevent overflow of uio_resid. Approved by: kib Modified: stable/7/sys/ (props changed) stable/7/sys/contrib/pf/ (props changed) stable/7/sys/dev/cxgb/ (props changed) stable/7/sys/kern/vfs_syscalls.c Modified: stable/7/sys/kern/vfs_syscalls.c ============================================================================== --- stable/7/sys/kern/vfs_syscalls.c Fri Jan 9 13:18:13 2009 (r186949) +++ stable/7/sys/kern/vfs_syscalls.c Fri Jan 9 13:53:44 2009 (r186950) @@ -3800,6 +3800,8 @@ kern_getdirentries(struct thread *td, in int error, eofflag; AUDIT_ARG(fd, fd); + if (count > INT_MAX) + return (EINVAL); if ((error = getvnode(td->td_proc->p_fd, fd, &fp)) != 0) return (error); if ((fp->f_flag & FREAD) == 0) {
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