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util: purge all code for testing OOM handling

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The OOM handling requires special build time options which we never
enable in our CI. Even once enabled the tests are incredibly slow and
typically require manual inspection of the results to weed out false
positives.

Since there was previous agreement to switch to abort on OOM in libvirt
code, there's no point continuing to keep the unused OOM testing code.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2019-08-29 13:04:07 +01:00
parent e0cb57c552
commit 2c52ecd960
12 changed files with 6 additions and 604 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
configure.ac
View File

@ -764,22 +764,6 @@ if test "$enable_test_coverage" = yes; then
WARN_CFLAGS=$save_WARN_CFLAGS
fi
LIBVIRT_ARG_ENABLE([TEST_OOM], [memory allocation failure checking], [no])
case "$enable_test_oom" in
yes|no) ;;
*) AC_MSG_ERROR([bad value ${enable_test_oom} for test-oom option]) ;;
esac
if test "$enable_test_oom" = yes; then
have_trace=yes
AC_CHECK_HEADER([execinfo.h],[],[have_trace=no])
AC_CHECK_FUNC([backtrace],[],[have_trace=no])
if test "$have_trace" = "yes"; then
AC_DEFINE([TEST_OOM_TRACE], 1, [Whether backtrace() is available])
fi
AC_DEFINE([TEST_OOM], 1, [Whether malloc OOM checking is enabled])
fi
LIBVIRT_ARG_ENABLE([TEST_LOCKING], [thread locking tests using CIL], [no])
case "$enable_test_locking" in
yes|no) ;;
@ -1048,7 +1032,6 @@ AC_MSG_NOTICE([])
AC_MSG_NOTICE([Test suite])
AC_MSG_NOTICE([])
LIBVIRT_RESULT([Coverage], [$enable_test_coverage])
LIBVIRT_RESULT([Alloc OOM], [$enable_test_oom])
AC_MSG_NOTICE([])
AC_MSG_NOTICE([Miscellaneous])
AC_MSG_NOTICE([])

3
docs/docs.html.in
View File

@ -155,9 +155,6 @@
<dt><a href="internals/locking.html">Lock managers</a></dt>
<dd>Use lock managers to protect disk content</dd>
<dt><a href="internals/oomtesting.html">Out of memory testing</a></dt>
<dd>Simulating OOM conditions in the test suite</dd>
<dt><a href="testsuites.html">Functional testing</a></dt>
<dd>Testing libvirt with <a href="testtck.html">TCK test suite</a> and
<a href="testapi.html">Libvirt-test-API</a></dd>

213
docs/internals/oomtesting.html.in
View File

@ -1,213 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<h1>Out of memory testing</h1>
<ul id="toc"></ul>
<p>
This page describes how to use the test suite todo out of memory
testing.
</p>
<h2>Building with OOM testing</h2>
<p>
Since OOM testing requires hooking into the malloc APIs, it is
not enabled by default. The flag <code>--enable-test-oom</code>
must be given to <code>configure</code>. When this is done the
libvirt allocation APIs will have some hooks enabled.
</p>
<pre>
$ ./configure --enable-test-oom
</pre>
<h2><a id="basicoom">Basic OOM testing support</a></h2>
<p>
The first step in validating OOM usage is to run a test suite
with full OOM testing enabled. This is done by setting the
<code>VIR_TEST_OOM=1</code> environment variable. The way this
works is that it runs the test once normally to "prime" any
static memory allocations. Then it runs it once more counting
the total number of memory allocations. Then it runs it in a
loop failing a different memory allocation each time. For every
memory allocation failure triggered, it expects the test case
to return an error. OOM testing is quite slow requiring each
test case to be executed O(n) times, where 'n' is the total
number of memory allocations. This results in a total number
of memory allocations of '(n * (n + 1) ) / 2'
</p>
<pre>
$ VIR_TEST_OOM=1 ./qemuxml2argvtest
1) QEMU XML-2-ARGV minimal ... OK
Test OOM for nalloc=42 .......................................... OK
2) QEMU XML-2-ARGV minimal-s390 ... OK
Test OOM for nalloc=28 ............................ OK
3) QEMU XML-2-ARGV machine-aliases1 ... OK
Test OOM for nalloc=38 ...................................... OK
4) QEMU XML-2-ARGV machine-aliases2 ... OK
Test OOM for nalloc=38 ...................................... OK
5) QEMU XML-2-ARGV machine-core-on ... OK
Test OOM for nalloc=37 ..................................... OK
...snip...
</pre>
<p>
In this output, the first line shows the normal execution and
the test number, and the second line shows the total number
of memory allocations from that test case.
</p>
<h3><a id="valgrind">Tracking failures with valgrind</a></h3>
<p>
The test suite should obviously *not* crash during OOM testing.
If it does crash, then to assist in tracking down the problem
it is worth using valgrind and only running a single test case.
For example, supposing test case 5 crashed. Then re-run the
test with
</p>
<pre>
$ VIR_TEST_OOM=1 VIR_TEST_RANGE=5 ../run valgrind ./qemuxml2argvtest
...snip...
5) QEMU XML-2-ARGV machine-core-on ... OK
Test OOM for nalloc=37 ..................................... OK
...snip...
</pre>
<p>
Valgrind should report the cause of the crash - for example a
double free or use of uninitialized memory or NULL pointer
access.
</p>
<h3><a id="stacktraces">Tracking failures with stack traces</a></h3>
<p>
With some really difficult bugs valgrind is not sufficient to
identify the cause. In this case, it is useful to identify the
precise allocation which was failed, to allow the code path
to the error to be traced. The <code>VIR_TEST_OOM</code>
env variable can be given a range of memory allocations to
test. So if a test case has 150 allocations, it can be told
to only test allocation numbers 7-10. The <code>VIR_TEST_OOM_TRACE</code>
variable can be used to print out stack traces.
</p>
<pre>
$ VIR_TEST_OOM_TRACE=2 VIR_TEST_OOM=1:7-10 VIR_TEST_RANGE=5 \
../run valgrind ./qemuxml2argvtest
5) QEMU XML-2-ARGV machine-core-on ... OK
Test OOM for nalloc=37 !virAllocN
/home/berrange/src/virt/libvirt/src/util/viralloc.c:180
virDomainDefParseXML
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:11786 (discriminator 1)
virDomainDefParseNode
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12677
virDomainDefParse
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12621
testCompareXMLToArgvFiles
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:107
virtTestRun
/home/berrange/src/virt/libvirt/tests/testutils.c:266
mymain
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:388 (discriminator 2)
virtTestMain
/home/berrange/src/virt/libvirt/tests/testutils.c:791
__libc_start_main
??:?
_start
??:?
!virAlloc
/home/berrange/src/virt/libvirt/src/util/viralloc.c:133
virDomainDiskDefParseXML
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:4790
virDomainDefParseXML
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:11797
virDomainDefParseNode
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12677
virDomainDefParse
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12621
testCompareXMLToArgvFiles
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:107
virtTestRun
/home/berrange/src/virt/libvirt/tests/testutils.c:266
mymain
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:388 (discriminator 2)
virtTestMain
/home/berrange/src/virt/libvirt/tests/testutils.c:791
__libc_start_main
??:?
_start
??:?
!virAllocN
/home/berrange/src/virt/libvirt/src/util/viralloc.c:180
virXPathNodeSet
/home/berrange/src/virt/libvirt/src/util/virxml.c:609
virDomainDefParseXML
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:11805
virDomainDefParseNode
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12677
virDomainDefParse
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12621
testCompareXMLToArgvFiles
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:107
virtTestRun
/home/berrange/src/virt/libvirt/tests/testutils.c:266
mymain
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:388 (discriminator 2)
virtTestMain
/home/berrange/src/virt/libvirt/tests/testutils.c:791
__libc_start_main
??:?
_start
??:?
!virAllocN
/home/berrange/src/virt/libvirt/src/util/viralloc.c:180
virDomainDefParseXML
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:11808 (discriminator 1)
virDomainDefParseNode
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12677
virDomainDefParse
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12621
testCompareXMLToArgvFiles
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:107
virtTestRun
/home/berrange/src/virt/libvirt/tests/testutils.c:266
mymain
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:388 (discriminator 2)
virtTestMain
/home/berrange/src/virt/libvirt/tests/testutils.c:791
__libc_start_main
??:?
_start
??:?
</pre>
<h3><a id="noncrash">Non-crash related problems</a></h3>
<p>
Not all memory allocation bugs result in code crashing. Sometimes
the code will be silently ignoring the allocation failure, resulting
in incorrect data being produced. For example the XML parser may
mistakenly treat an allocation failure as indicating that an XML
attribute was not set in the input document. It is hard to identify
these problems from the test suite automatically. For this, the
test suites should be run with <code>VIR_TEST_DEBUG=1</code> set
and then stderr analysed for any unexpected data. For example,
the XML conversion may show an embedded "(null)" literal, or the
test suite might complain about missing elements / attributes
in the actual vs expected data. These are all signs of bugs in
OOM handling. In the future the OOM tests will be enhanced to
validate that an error VIR_ERR_NO_MEMORY is returned for each
allocation failed, rather than some other error.
</p>
</body>
</html>

4
src/libvirt_private.syms
View File

@ -1484,10 +1484,6 @@ virSecurityManagerVerify;
# util/viralloc.h
virAlloc;
virAllocN;
virAllocTestCount;
virAllocTestHook;
virAllocTestInit;
virAllocTestOOM;
virAllocVar;
virDeleteElementsN;
virDispose;

111
src/util/viralloc.c
View File

@ -30,80 +30,6 @@
VIR_LOG_INIT("util.alloc");
#if TEST_OOM
static int testMallocNext;
static int testMallocFailFirst;
static int testMallocFailLast;
static void (*testMallocHook)(int, void*);
static void *testMallocHookData;
void virAllocTestInit(void)
{
testMallocNext = 1;
testMallocFailFirst = 0;
testMallocFailLast = 0;
}
int virAllocTestCount(void)
{
return testMallocNext - 1;
}
void virAllocTestHook(void (*func)(int, void*), void *data)
{
testMallocHook = func;
testMallocHookData = data;
}
void virAllocTestOOM(int n, int m)
{
testMallocNext = 1;
testMallocFailFirst = n;
testMallocFailLast = n + m - 1;
}
static int virAllocTestFail(void)
{
int fail = 0;
if (testMallocNext == 0)
return 0;
fail =
testMallocNext >= testMallocFailFirst &&
testMallocNext <= testMallocFailLast;
if (fail && testMallocHook)
(testMallocHook)(testMallocNext, testMallocHookData);
testMallocNext++;
return fail;
}
#else
void virAllocTestOOM(int n ATTRIBUTE_UNUSED,
int m ATTRIBUTE_UNUSED)
{
/* nada */
}
int virAllocTestCount(void)
{
return 0;
}
void virAllocTestInit(void)
{
/* nada */
}
void virAllocTestHook(void (*func)(int, void*) ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED)
{
/* nada */
}
#endif
/**
* virAlloc:
@ -130,16 +56,6 @@ int virAlloc(void *ptrptr,
const char *funcname,
size_t linenr)
{
#if TEST_OOM
if (virAllocTestFail()) {
*(void **)ptrptr = NULL;
if (report)
virReportOOMErrorFull(domcode, filename, funcname, linenr);
errno = ENOMEM;
return -1;
}
#endif
*(void **)ptrptr = calloc(1, size);
if (*(void **)ptrptr == NULL) {
if (report)
@ -177,16 +93,6 @@ int virAllocN(void *ptrptr,
const char *funcname,
size_t linenr)
{
#if TEST_OOM
if (virAllocTestFail()) {
*(void **)ptrptr = NULL;
if (report)
virReportOOMErrorFull(domcode, filename, funcname, linenr);
errno = ENOMEM;
return -1;
}
#endif
*(void**)ptrptr = calloc(count, size);
if (*(void**)ptrptr == NULL) {
if (report)
@ -226,14 +132,6 @@ int virReallocN(void *ptrptr,
size_t linenr)
{
void *tmp;
#if TEST_OOM
if (virAllocTestFail()) {
if (report)
virReportOOMErrorFull(domcode, filename, funcname, linenr);
errno = ENOMEM;
return -1;
}
#endif
if (xalloc_oversized(count, size)) {
if (report)
@ -539,15 +437,6 @@ int virAllocVar(void *ptrptr,
{
size_t alloc_size = 0;
#if TEST_OOM
if (virAllocTestFail()) {
if (report)
virReportOOMErrorFull(domcode, filename, funcname, linenr);
errno = ENOMEM;
return -1;
}
#endif
if (VIR_ALLOC_VAR_OVERSIZED(struct_size, count, element_size)) {
if (report)
virReportOOMErrorFull(domcode, filename, funcname, linenr);

5
src/util/viralloc.h
View File

@ -600,11 +600,6 @@ void virDisposeString(char **strptr)
sizeof(*(ptr)), NULL)
void virAllocTestInit(void);
int virAllocTestCount(void);
void virAllocTestOOM(int n, int m);
void virAllocTestHook(void (*func)(int, void*), void *data);
/**
* VIR_AUTOFREE:
* @type: type of the variable to be freed automatically

1
tests/Makefile.am
View File

@ -109,7 +109,6 @@ EXTRA_DIST = \
nwfilterxml2firewalldata \
nwfilterxml2xmlin \
nwfilterxml2xmlout \
oomtrace.pl \
qemuagentdata \
qemublocktestdata \
qemucapabilitiesdata \

41
tests/oomtrace.pl
View File

@ -1,41 +0,0 @@
#!/usr/bin/env perl
use strict;
use warnings;
(my $ME = $0) =~ s|.*/||;
# use File::Coda; # http://meyering.net/code/Coda/
END {
defined fileno STDOUT or return;
close STDOUT and return;
warn "$ME: failed to close standard output: $!\n";
$? ||= 1;
}
my @data = <>;
my %trace;
my %lines;
foreach (@data) {
if (/^\s*TRACE:\s+(\S+?)(?:\(.*\))?\s+\[0x(.*)\]\s*$/ ) {
$trace{$2} = $1;
}
}
foreach my $key (keys %trace) {
my $val = $trace{$key};
my $info = $val =~ /\?\?/ ? $val : `addr2line -e $val $key`;
$lines{$key} = $info;
}
foreach (@data) {
if (/^\s*TRACE:\s+(\S+?)(?:\(.*\))?\s+\[0x(.*)\]\s*$/ ) {
print $lines{$2};
} else {
print;
}
}

12
tests/qemuxml2argvtest.c
View File

@ -567,14 +567,12 @@ testCompareXMLToArgv(const void *data)
VIR_TEST_DEBUG("Error expected but there wasn't any.");
goto cleanup;
}
if (!virTestOOMActive()) {
if (flags & FLAG_EXPECT_FAILURE) {
if ((log = virTestLogContentAndReset()))
VIR_TEST_DEBUG("Got expected error: \n%s", log);
}
virResetLastError();
ret = 0;
if (flags & FLAG_EXPECT_FAILURE) {
if ((log = virTestLogContentAndReset()))
VIR_TEST_DEBUG("Got expected error: \n%s", log);
}
virResetLastError();
ret = 0;
cleanup:
VIR_FREE(log);

189
tests/testutils.c
View File

@ -42,13 +42,6 @@
#include "virprocess.h"
#include "virstring.h"
#ifdef TEST_OOM
# ifdef TEST_OOM_TRACE
# include <dlfcn.h>
# include <execinfo.h>
# endif
#endif
#define VIR_FROM_THIS VIR_FROM_NONE
VIR_LOG_INIT("tests.testutils");
@ -61,17 +54,6 @@ static unsigned int testVerbose = -1;
static unsigned int testExpensive = -1;
static unsigned int testRegenerate = -1;
#ifdef TEST_OOM
static unsigned int testOOM;
static unsigned int testOOMStart = -1;
static unsigned int testOOMEnd = -1;
static unsigned int testOOMTrace;
# ifdef TEST_OOM_TRACE
void *testAllocStack[30];
int ntestAllocStack;
# endif
#endif
static bool testOOMActive;
static size_t testCounter;
static virBitmapPtr testBitmap;
@ -79,11 +61,6 @@ static virBitmapPtr testBitmap;
char *progname;
static char *perl;
bool virTestOOMActive(void)
{
return testOOMActive;
}
static int virTestUseTerminalColors(void)
{
return isatty(STDOUT_FILENO);
@ -104,42 +81,6 @@ virTestGetFlag(const char *name)
return flag;
}
#ifdef TEST_OOM_TRACE
static void virTestAllocHook(int nalloc ATTRIBUTE_UNUSED,
void *opaque ATTRIBUTE_UNUSED)
{
ntestAllocStack = backtrace(testAllocStack, ARRAY_CARDINALITY(testAllocStack));
}
#endif
#ifdef TEST_OOM_TRACE
static void
virTestShowTrace(void)
{
size_t j;
for (j = 2; j < ntestAllocStack; j++) {
Dl_info info;
char *cmd;
dladdr(testAllocStack[j], &info);
if (info.dli_fname &&
strstr(info.dli_fname, ".so")) {
if (virAsprintf(&cmd, ADDR2LINE " -f -e %s %p",
info.dli_fname,
((void*)((unsigned long long)testAllocStack[j]
- (unsigned long long)info.dli_fbase))) < 0)
continue;
} else {
if (virAsprintf(&cmd, ADDR2LINE " -f -e %s %p",
(char*)(info.dli_fname ? info.dli_fname : "<unknown>"),
testAllocStack[j]) < 0)
continue;
}
ignore_value(system(cmd));
VIR_FREE(cmd);
}
}
#endif
/*
* Runs test
@ -207,76 +148,6 @@ virTestRun(const char *title,
fprintf(stderr, "!");
}
#ifdef TEST_OOM
if (testOOM && ret != EXIT_AM_SKIP) {
int nalloc;
int oomret;
int start, end;
size_t i;
virResetLastError();
virAllocTestInit();
# ifdef TEST_OOM_TRACE
virAllocTestHook(virTestAllocHook, NULL);
# endif
oomret = body(data);
nalloc = virAllocTestCount();
fprintf(stderr, " Test OOM for nalloc=%d ", nalloc);
if (testOOMStart == -1 ||
testOOMEnd == -1) {
start = 0;
end = nalloc;
} else {
start = testOOMStart;
end = testOOMEnd + 1;
}
testOOMActive = true;
for (i = start; i < end; i++) {
bool missingFail = false;
# ifdef TEST_OOM_TRACE
memset(testAllocStack, 0, sizeof(testAllocStack));
ntestAllocStack = 0;
# endif
virAllocTestOOM(i + 1, 1);
oomret = body(data);
/* fprintf() disabled because XML parsing APIs don't allow
* distinguish between element / attribute not present
* in the XML (which is non-fatal), vs OOM / malformed
* which should be fatal. Thus error reporting for
* optionally present XML is mostly broken.
*/
if (oomret == 0) {
missingFail = true;
# if 0
fprintf(stderr, " alloc %zu failed but no err status\n", i + 1);
# endif
} else {
if (virGetLastErrorCode() == VIR_ERR_OK) {
# if 0
fprintf(stderr, " alloc %zu failed but no error report\n", i + 1);
# endif
missingFail = true;
}
}
if ((missingFail && testOOMTrace) || (testOOMTrace > 1)) {
fprintf(stderr, "%s", "!");
# ifdef TEST_OOM_TRACE
virTestShowTrace();
# endif
ret = -1;
} else {
fprintf(stderr, "%s", ".");
}
}
testOOMActive = false;
if (ret == 0)
fprintf(stderr, " OK\n");
else
fprintf(stderr, " FAILED\n");
virAllocTestInit();
}
#endif /* TEST_OOM */
unsetenv("VIR_TEST_MOCK_TESTNAME");
return ret;
}
@ -876,8 +747,7 @@ virtTestLogOutput(virLogSourcePtr source ATTRIBUTE_UNUSED,
{
struct virtTestLogData *log = data;
virCheckFlags(VIR_LOG_STACK_TRACE,);
if (!testOOMActive)
virBufferAsprintf(&log->buf, "%s: %s", timestamp, str);
virBufferAsprintf(&log->buf, "%s: %s", timestamp, str);
}
static void
@ -971,9 +841,6 @@ int virTestMain(int argc,
va_list ap;
int ret;
char *testRange = NULL;
#ifdef TEST_OOM
char *oomstr;
#endif
size_t noutputs = 0;
virLogOutputPtr output = NULL;
virLogOutputPtr *outputs = NULL;
@ -1034,60 +901,6 @@ int virTestMain(int argc,
}
}
#ifdef TEST_OOM
if ((oomstr = getenv("VIR_TEST_OOM")) != NULL) {
char *next;
if (testDebug == -1)
testDebug = 1;
testOOM = 1;
if (oomstr[0] != '\0' &&
oomstr[1] == ':') {
if (virStrToLong_ui(oomstr + 2, &next, 10, &testOOMStart) < 0) {
fprintf(stderr, "Cannot parse range %s\n", oomstr);
return EXIT_FAILURE;
}
if (*next == '\0') {
testOOMEnd = testOOMStart;
} else {
if (*next != '-') {
fprintf(stderr, "Cannot parse range %s\n", oomstr);
return EXIT_FAILURE;
}
if (virStrToLong_ui(next+1, NULL, 10, &testOOMEnd) < 0) {
fprintf(stderr, "Cannot parse range %s\n", oomstr);
return EXIT_FAILURE;
}
}
} else {
testOOMStart = -1;
testOOMEnd = -1;
}
}
# ifdef TEST_OOM_TRACE
if ((oomstr = getenv("VIR_TEST_OOM_TRACE")) != NULL) {
if (virStrToLong_ui(oomstr, NULL, 10, &testOOMTrace) < 0) {
fprintf(stderr, "Cannot parse oom trace %s\n", oomstr);
return EXIT_FAILURE;
}
}
# else
if (getenv("VIR_TEST_OOM_TRACE")) {
fprintf(stderr, "%s", "OOM test tracing not enabled in this build\n");
return EXIT_FAILURE;
}
# endif
#else /* TEST_OOM */
if (getenv("VIR_TEST_OOM")) {
fprintf(stderr, "%s", "OOM testing not enabled in this build\n");
return EXIT_FAILURE;
}
if (getenv("VIR_TEST_OOM_TRACE")) {
fprintf(stderr, "%s", "OOM test tracing not enabled in this build\n");
return EXIT_FAILURE;
}
#endif /* TEST_OOM */
/* Find perl early because some tests override PATH */
perl = virFindFileInPath("perl");

2
tests/testutils.h
View File

@ -43,8 +43,6 @@ extern char *progname;
# error Fix Makefile.am
#endif
bool virTestOOMActive(void);
int virTestRun(const char *title,
int (*body)(const void *data),
const void *data);

12
tests/virfirewalltest.c
View File

@ -611,9 +611,6 @@ testFirewallNoRollback(const void *opaque ATTRIBUTE_UNUSED)
goto cleanup;
}
if (virTestOOMActive())
goto cleanup;
if (virBufferError(&cmdbuf))
goto cleanup;
@ -701,9 +698,6 @@ testFirewallSingleRollback(const void *opaque ATTRIBUTE_UNUSED)
goto cleanup;
}
if (virTestOOMActive())
goto cleanup;
if (virBufferError(&cmdbuf))
goto cleanup;
@ -794,9 +788,6 @@ testFirewallManyRollback(const void *opaque ATTRIBUTE_UNUSED)
goto cleanup;
}
if (virTestOOMActive())
goto cleanup;
if (virBufferError(&cmdbuf))
goto cleanup;
@ -917,9 +908,6 @@ testFirewallChainedRollback(const void *opaque ATTRIBUTE_UNUSED)
goto cleanup;
}
if (virTestOOMActive())
goto cleanup;
if (virBufferError(&cmdbuf))
goto cleanup;