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From: zhengbin <zhengbin13@huawei.com>
To: <bvanassche@acm.org>, <jejb@linux.ibm.com>,
	<martin.petersen@oracle.com>, <linux-scsi@vger.kernel.org>
Cc: <yi.zhang@huawei.com>, <yanaijie@huawei.com>, <zhengbin13@huawei.com>
Subject: [PATCH v5 05/13] scsi: sr: need to check the result of scsi_execute in sr_do_ioctl
Date: Fri, 18 Oct 2019 16:24:23 +0800	[thread overview]
Message-ID: <1571387071-28853-6-git-send-email-zhengbin13@huawei.com> (raw)
In-Reply-To: <1571387071-28853-1-git-send-email-zhengbin13@huawei.com>

Like sd_pr_command, before use sshdr, we need to check the result
of scsi_execute, also need to check whether sshdr is valid.

Signed-off-by: zhengbin <zhengbin13@huawei.com>
---
 drivers/scsi/sr_ioctl.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index ffcf902..7672fc1 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -206,6 +206,12 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)

 	/* Minimal error checking.  Ignore cases we know about, and report the rest. */
 	if (driver_byte(result) != 0) {
+		if (driver_byte(result) != DRIVER_SENSE ||
+		    !scsi_sense_valid(sshdr)) {
+			err = -EIO;
+			goto out;
+		}
+
 		switch (sshdr->sense_key) {
 		case UNIT_ATTENTION:
 			SDev->changed = 1;
--
2.7.4


  parent reply	other threads:[~2019-10-18  8:17 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18  8:24 [PATCH v5 00/13] scsi: core: fix uninit-value access of variable sshdr zhengbin
2019-10-18  8:24 ` [PATCH v5 01/13] scsi: core: need to check the result of scsi_execute in scsi_report_opcode zhengbin
2019-10-18  8:24 ` [PATCH v5 02/13] scsi: core: need to check the result of scsi_execute in scsi_test_unit_ready zhengbin
2019-10-18  8:24 ` [PATCH v5 03/13] scsi: core: need to check the result of scsi_execute in scsi_report_lun_scan zhengbin
2019-10-18  8:24 ` [PATCH v5 04/13] scsi: sr: need to check the result of scsi_execute in sr_get_events zhengbin
2019-10-18  8:24 ` zhengbin [this message]
2019-10-18  8:24 ` [PATCH v5 06/13] scsi: scsi_dh_emc: need to check the result of scsi_execute in send_trespass_cmd zhengbin
2019-10-18  8:24 ` [PATCH v5 07/13] scsi: scsi_dh_rdac: need to check the result of scsi_execute in send_mode_select zhengbin
2019-10-18  8:24 ` [PATCH v5 08/13] scsi: scsi_dh_hp_sw: need to check the result of scsi_execute in hp_sw_tur,hp_sw_start_stop zhengbin
2019-10-21  9:08   ` kbuild test robot
2019-10-21  9:08     ` [PATCH v5 08/13] scsi: scsi_dh_hp_sw: need to check the result of scsi_execute in hp_sw_tur, hp_sw_start_stop kbuild test robot
2019-10-18  8:24 ` [PATCH v5 09/13] scsi: scsi_dh_alua: need to check the result of scsi_execute in alua_rtpg,alua_stpg zhengbin
2019-10-18  8:24 ` [PATCH v5 10/13] scsi: scsi_transport_spi: need to check whether sshdr is valid in spi_execute zhengbin
2019-10-18  8:24 ` [PATCH v5 11/13] scsi: cxlflash: need to check whether sshdr is valid in read_cap16 zhengbin
2019-10-18  8:24 ` [PATCH v5 12/13] scsi: ufs: need to check whether sshdr is valid in ufshcd_set_dev_pwr_mode zhengbin
2019-10-18  8:24 ` [PATCH v5 13/13] scsi: ch: need to check whether sshdr is valid in ch_do_scsi zhengbin
2019-10-18  9:41 ` [PATCH v5 00/13] scsi: core: fix uninit-value access of variable sshdr Hannes Reinecke
2019-10-18 13:43   ` Martin K. Petersen
2019-10-18 14:05     ` Hannes Reinecke
2019-10-18 23:17     ` [RFC] scsi: Avoid sign extension when setting command result bytes, was " Finn Thain
2019-10-21  1:49     ` zhengbin (A)
2019-10-21 13:06       ` Hannes Reinecke
2019-10-22  1:59         ` zhengbin (A)
2019-10-23  6:51           ` zhengbin (A)
2019-10-21  6:57     ` Johannes Thumshirn
2019-10-18 12:33 ` Damien Le Moal

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