svn commit: r186510 - head/sys/kern
Peter Holm
pho at FreeBSD.org
Sat Dec 27 10:13:44 UTC 2008
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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