59eb7ad892
CVE-2017-15038: 9p: information disclosure when reading extended attributes (bz #1499111) CVE-2017-15268: potential memory exhaustion via websock connection to VNC (bz #1496882)
58 lines
1.8 KiB
Diff
58 lines
1.8 KiB
Diff
From: Fam Zheng <famz@redhat.com>
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Date: Mon, 21 Aug 2017 22:10:06 +0800
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Subject: [PATCH] scsi: Improve scsi_sense_to_errno
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Tweak the errno mapping to return more accurate/appropriate values.
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Message-Id: <20170821141008.19383-3-famz@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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---
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util/scsi.c | 16 ++++++++++++----
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1 file changed, 12 insertions(+), 4 deletions(-)
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diff --git a/util/scsi.c b/util/scsi.c
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index a6710799fc..472eb5bea5 100644
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--- a/util/scsi.c
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+++ b/util/scsi.c
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@@ -18,13 +18,16 @@
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int scsi_sense_to_errno(int key, int asc, int ascq)
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{
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switch (key) {
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- case 0x02: /* NOT READY */
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- return EBUSY;
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- case 0x07: /* DATA PROTECTION */
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- return EACCES;
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+ case 0x00: /* NO SENSE */
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+ case 0x01: /* RECOVERED ERROR */
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+ case 0x06: /* UNIT ATTENTION */
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+ /* These sense keys are not errors */
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+ return 0;
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case 0x0b: /* COMMAND ABORTED */
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return ECANCELED;
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+ case 0x02: /* NOT READY */
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case 0x05: /* ILLEGAL REQUEST */
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+ case 0x07: /* DATA PROTECTION */
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/* Parse ASCQ */
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break;
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default:
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@@ -37,6 +40,7 @@ int scsi_sense_to_errno(int key, int asc, int ascq)
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case 0x2600: /* INVALID FIELD IN PARAMETER LIST */
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return EINVAL;
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case 0x2100: /* LBA OUT OF RANGE */
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+ case 0x2707: /* SPACE ALLOC FAILED */
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return ENOSPC;
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case 0x2500: /* LOGICAL UNIT NOT SUPPORTED */
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return ENOTSUP;
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@@ -46,6 +50,10 @@ int scsi_sense_to_errno(int key, int asc, int ascq)
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return ENOMEDIUM;
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case 0x2700: /* WRITE PROTECTED */
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return EACCES;
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+ case 0x0401: /* NOT READY, IN PROGRESS OF BECOMING READY */
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+ return EAGAIN;
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+ case 0x0402: /* NOT READY, INITIALIZING COMMAND REQUIRED */
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+ return ENOTCONN;
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default:
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return EIO;
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}
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