Date: Sat, 27 Dec 2008 10:13:44 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r186510 - head/sys/kern Message-ID: <200812271013.mBRADiob067032@svn.freebsd.org>
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Author: pho Date: Sat Dec 27 10:13:43 2008 New Revision: 186510 URL: http://svn.freebsd.org/changeset/base/186510 Log: Prevent overflow of uio_resid. Approved by: kib Modified: head/sys/kern/vfs_syscalls.c Modified: head/sys/kern/vfs_syscalls.c ============================================================================== --- head/sys/kern/vfs_syscalls.c Sat Dec 27 09:42:17 2008 (r186509) +++ head/sys/kern/vfs_syscalls.c Sat Dec 27 10:13:43 2008 (r186510) @@ -4069,6 +4069,8 @@ 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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