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From 73650fdd9de90d6f5a6f4a3c6c19d60368411b07 Mon Sep 17 00:00:00 2001
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Message-Id: <73650fdd9de90d6f5a6f4a3c6c19d60368411b07@dist-git>
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From: Andrea Bolognani <abologna@redhat.com>
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Date: Wed, 29 Nov 2017 16:23:02 +0100
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Subject: [PATCH] conf: Check virDomainChrSourceDefFormat() return value
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The function can fail, but none of the caller were accounting
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for that.
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit 2cd323e382b4abfffda52fe49d1b50a087716e01)
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https://bugzilla.redhat.com/show_bug.cgi?id=1449265
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https://bugzilla.redhat.com/show_bug.cgi?id=1511421
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https://bugzilla.redhat.com/show_bug.cgi?id=1512929
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https://bugzilla.redhat.com/show_bug.cgi?id=1512934
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/conf/domain_conf.c | 34 ++++++++++++++++++++++++----------
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1 file changed, 24 insertions(+), 10 deletions(-)
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index cf1bd030a0..346edaa6bd 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -24045,7 +24045,9 @@ virDomainChrDefFormat(virBufferPtr buf,
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if (virDomainChrAttrsDefFormat(buf, def->source, tty_compat) < 0)
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return -1;
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virBufferAddLit(buf, ">\n");
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- virDomainChrSourceDefFormat(buf, def->source, flags);
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+
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+ if (virDomainChrSourceDefFormat(buf, def->source, flags) < 0)
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+ return -1;
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if (virDomainChrTargetDefFormat(buf, def, flags) < 0)
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return -1;
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@@ -24066,13 +24068,14 @@ virDomainSmartcardDefFormat(virBufferPtr buf,
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const char *mode = virDomainSmartcardTypeToString(def->type);
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virBuffer childBuf = VIR_BUFFER_INITIALIZER;
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size_t i;
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+ int ret = -1;
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virBufferSetChildIndent(&childBuf, buf);
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if (!mode) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("unexpected smartcard type %d"), def->type);
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- return -1;
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+ goto cleanup;
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}
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switch (def->type) {
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@@ -24089,23 +24092,25 @@ virDomainSmartcardDefFormat(virBufferPtr buf,
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break;
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case VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH:
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- virDomainChrSourceDefFormat(&childBuf, def->data.passthru, flags);
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+ if (virDomainChrSourceDefFormat(&childBuf, def->data.passthru, flags) < 0)
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+ goto cleanup;
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break;
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default:
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("unexpected smartcard type %d"), def->type);
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- return -1;
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+ goto cleanup;
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}
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virDomainDeviceInfoFormat(&childBuf, &def->info, flags);
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if (virBufferCheckError(&childBuf) < 0)
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- return -1;
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+ goto cleanup;
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virBufferAsprintf(buf, "
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if (def->type == VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH &&
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- virDomainChrAttrsDefFormat(buf, def->data.passthru, false) < 0)
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- return -1;
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+ virDomainChrAttrsDefFormat(buf, def->data.passthru, false) < 0) {
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+ goto cleanup;
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+ }
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if (virBufferUse(&childBuf)) {
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virBufferAddLit(buf, ">\n");
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@@ -24114,7 +24119,12 @@ virDomainSmartcardDefFormat(virBufferPtr buf,
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} else {
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virBufferAddLit(buf, "/>\n");
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}
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- return 0;
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+
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+ ret = 0;
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+
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+ cleanup:
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+ virBufferFreeAndReset(&childBuf);
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+ return ret;
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}
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static int
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@@ -24416,7 +24426,8 @@ virDomainRNGDefFormat(virBufferPtr buf,
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return -1;
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virBufferAddLit(buf, ">\n");
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virBufferAdjustIndent(buf, 2);
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- virDomainChrSourceDefFormat(buf, def->source.chardev, flags);
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+ if (virDomainChrSourceDefFormat(buf, def->source.chardev, flags) < 0)
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+ return -1;
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virBufferAdjustIndent(buf, -2);
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virBufferAddLit(buf, "</backend>\n");
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@@ -25261,7 +25272,10 @@ virDomainRedirdevDefFormat(virBufferPtr buf,
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return -1;
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virBufferAddLit(buf, ">\n");
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virBufferAdjustIndent(buf, 2);
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- virDomainChrSourceDefFormat(buf, def->source, flags);
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+
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+ if (virDomainChrSourceDefFormat(buf, def->source, flags) < 0)
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+ return -1;
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+
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virDomainDeviceInfoFormat(buf, &def->info,
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flags | VIR_DOMAIN_DEF_FORMAT_ALLOW_BOOT);
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virBufferAdjustIndent(buf, -2);
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--
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2.15.1
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