Date: Wed, 30 Mar 2005 02:35:03 -0500 (EST) From: Craig Rodrigues <rodrigc@crodrigues.org> To: FreeBSD-gnats-submit@FreeBSD.org Cc: Robert Watson <rwatson@FreeBSD.org> Subject: kern/79357: uiovcnt not initialized for exattr_get and extattr_list Message-ID: <200503300735.j2U7Z3e8033844@h00609772adf0.ne.client2.attbi.com> Resent-Message-ID: <200503300740.j2U7e1e5019307@freefall.freebsd.org>
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>Number: 79357
>Category: kern
>Synopsis: uiovcnt not initialized for exattr_get and extattr_list
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Mar 30 07:40:01 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator: Craig Rodrigues
>Release: FreeBSD 6.0-CURRENT i386
>Organization:
>Environment:
System: FreeBSD dibbler.crodrigues.org 6.0-CURRENT FreeBSD 6.0-CURRENT #28: Sat Mar 26 13:25:05 EST 2005 rodrigc@dibbler.crodrigues.org:/opt/home/rodrigc/xfs/xfs_kernel/sys/i386/compile/XFS_KERNEL i386
>Description:
This one is for rwatson to look at. The iovcnt is not
initialized in a few system calls related to extended attributes.
>How-To-Repeat:
>Fix:
--- sys/kern/vfs_syscalls.c.orig Tue Mar 29 23:32:21 2005
+++ sys/kern/vfs_syscalls.c Tue Mar 29 23:33:39 2005
@@ -4505,6 +4505,7 @@
aiov.iov_base = data;
aiov.iov_len = nbytes;
auio.uio_iov = &aiov;
+ auio.uio_iovcnt = 1;
auio.uio_offset = 0;
if (nbytes > INT_MAX) {
error = EINVAL;
@@ -4791,6 +4792,7 @@
aiov.iov_base = data;
aiov.iov_len = nbytes;
auio.uio_iov = &aiov;
+ auio.uio_iovcnt = 1;
auio.uio_offset = 0;
if (nbytes > INT_MAX) {
error = EINVAL;
>Release-Note:
>Audit-Trail:
>Unformatted:
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