svn commit: r340798 - head/sys/dev/sfxge/common
Andrew Rybchenko
arybchik at FreeBSD.org
Fri Nov 23 07:50:37 UTC 2018
Author: arybchik
Date: Fri Nov 23 07:50:34 2018
New Revision: 340798
URL: https://svnweb.freebsd.org/changeset/base/340798
Log:
sfxge(4): fix out of bounds read in VIs allocation
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D18068
Modified:
head/sys/dev/sfxge/common/ef10_nic.c
Modified: head/sys/dev/sfxge/common/ef10_nic.c
==============================================================================
--- head/sys/dev/sfxge/common/ef10_nic.c Fri Nov 23 07:50:22 2018 (r340797)
+++ head/sys/dev/sfxge/common/ef10_nic.c Fri Nov 23 07:50:34 2018 (r340798)
@@ -504,7 +504,7 @@ efx_mcdi_alloc_vis(
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_ALLOC_VIS_IN_LEN,
- MC_CMD_ALLOC_VIS_OUT_LEN)];
+ MC_CMD_ALLOC_VIS_EXT_OUT_LEN)];
efx_rc_t rc;
if (vi_countp == NULL) {
@@ -517,7 +517,7 @@ efx_mcdi_alloc_vis(
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_ALLOC_VIS_IN_LEN;
req.emr_out_buf = payload;
- req.emr_out_length = MC_CMD_ALLOC_VIS_OUT_LEN;
+ req.emr_out_length = MC_CMD_ALLOC_VIS_EXT_OUT_LEN;
MCDI_IN_SET_DWORD(req, ALLOC_VIS_IN_MIN_VI_COUNT, min_vi_count);
MCDI_IN_SET_DWORD(req, ALLOC_VIS_IN_MAX_VI_COUNT, max_vi_count);
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