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icu/0001-ICU-21667-Fix-coverity-warnings.patch
Mike FABIAN a02ea0b11d Resolves: RHEL-59365 Fix coverity warnings
2024-09-30 22:01:17 +02:00

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From af6fbac0bdba3080a8bcb5d12764d1fece2e9c1d Mon Sep 17 00:00:00 2001
From: Mike FABIAN <mfabian@redhat.com>
Date: Mon, 23 Aug 2021 18:03:31 +0200
Subject: [PATCH 1/2] ICU-21667 Fix coverity warnings
See: https://unicode-org.atlassian.net/browse/ICU-21667
(Issues found by coverity in icu-69.1)
---
source/common/brkiter.cpp | 2 +
source/common/serv.cpp | 76 +++++++++++++----------
source/common/serv.h | 5 ++
source/common/uloc_keytype.cpp | 8 +++
source/common/umutablecptrie.cpp | 2 +-
source/common/uresbund.cpp | 3 +-
source/i18n/decNumber.h | 2 +-
source/i18n/rbt_pars.cpp | 7 +--
source/i18n/tridpars.cpp | 1 +
source/i18n/usearch.cpp | 2 +
source/i18n/uspoof_impl.cpp | 6 +-
source/tools/gensprep/store.c | 1 -
source/tools/makeconv/genmbcs.cpp | 4 ++
source/tools/pkgdata/pkgtypes.c | 12 ++--
source/tools/toolutil/filetools.cpp | 1 +
15 files changed, 84 insertions(+), 48 deletions(-)
diff --git a/source/common/brkiter.cpp b/source/common/brkiter.cpp
index b452cf2c050..e2edbe8eaf6 100644
--- a/source/common/brkiter.cpp
+++ b/source/common/brkiter.cpp
@@ -107,7 +107,9 @@ BreakIterator::buildInstance(const Locale& loc, const char *type, UErrorCode &st
}
}
+ /* coverity[incorrect_free] */
ures_close(brkRules);
+ /* coverity[incorrect_free] */
ures_close(brkName);
UDataMemory* file = udata_open(U_ICUDATA_BRKITR, ext, fnbuff, &status);
diff --git a/source/common/serv.cpp b/source/common/serv.cpp
index 5248f7c192b..ddf17e45069 100644
--- a/source/common/serv.cpp
+++ b/source/common/serv.cpp
@@ -722,49 +722,57 @@ UVector&
ICUService::getDisplayNames(UVector& result,
const Locale& locale,
const UnicodeString* matchID,
- UErrorCode& status) const
+ UErrorCode& status) const
{
+ // cast away semantic const
+ return const_cast<ICUService *>(this)->getDisplayNamesImpl(result, locale, matchID, status);
+}
+
+UVector&
+ICUService::getDisplayNamesImpl(UVector& result,
+ const Locale& locale,
+ const UnicodeString* matchID,
+ UErrorCode& status)
+{
+ if (U_FAILURE(status)) { return result; }
result.removeAllElements();
result.setDeleter(userv_deleteStringPair);
- if (U_SUCCESS(status)) {
- ICUService* ncthis = (ICUService*)this; // cast away semantic const
- Mutex mutex(&lock);
+ Mutex mutex(&lock);
- if (dnCache != nullptr && dnCache->locale != locale) {
- delete dnCache;
- ncthis->dnCache = nullptr;
- }
+ if (dnCache != nullptr && dnCache->locale != locale) {
+ delete dnCache;
+ dnCache = nullptr;
+ }
+ if (dnCache == nullptr) {
+ const Hashtable* m = getVisibleIDMap(status);
+ if (U_FAILURE(status)) {
+ return result;
+ }
+ dnCache = new DNCache(locale);
if (dnCache == nullptr) {
- const Hashtable* m = getVisibleIDMap(status);
- if (U_FAILURE(status)) {
- return result;
- }
- ncthis->dnCache = new DNCache(locale);
- if (dnCache == nullptr) {
- status = U_MEMORY_ALLOCATION_ERROR;
- return result;
- }
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return result;
+ }
- int32_t pos = UHASH_FIRST;
- const UHashElement* entry = nullptr;
- while ((entry = m->nextElement(pos)) != nullptr) {
- const UnicodeString* id = (const UnicodeString*)entry->key.pointer;
- ICUServiceFactory* f = (ICUServiceFactory*)entry->value.pointer;
- UnicodeString dname;
- f->getDisplayName(*id, locale, dname);
- if (dname.isBogus()) {
- status = U_MEMORY_ALLOCATION_ERROR;
- } else {
- dnCache->cache.put(dname, (void*)id, status); // share pointer with visibleIDMap
- if (U_SUCCESS(status)) {
- continue;
- }
+ int32_t pos = UHASH_FIRST;
+ const UHashElement* entry = nullptr;
+ while ((entry = m->nextElement(pos)) != nullptr) {
+ const UnicodeString* id = static_cast<const UnicodeString*>(entry->key.pointer);
+ ICUServiceFactory* f = static_cast<ICUServiceFactory*>(entry->value.pointer);
+ UnicodeString dname;
+ f->getDisplayName(*id, locale, dname);
+ if (dname.isBogus()) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ } else {
+ dnCache->cache.put(dname, (void*)id, status); // share pointer with visibleIDMap
+ if (U_SUCCESS(status)) {
+ continue;
}
- delete dnCache;
- ncthis->dnCache = nullptr;
- return result;
}
+ delete dnCache;
+ dnCache = nullptr;
+ return result;
}
}
diff --git a/source/common/serv.h b/source/common/serv.h
index 9aea548fc3a..3c53f228738 100644
--- a/source/common/serv.h
+++ b/source/common/serv.h
@@ -759,6 +759,11 @@ class U_COMMON_API ICUService : public ICUNotifier {
const UnicodeString* matchID,
UErrorCode& status) const;
+ UVector& getDisplayNamesImpl(UVector& result,
+ const Locale& locale,
+ const UnicodeString* matchID,
+ UErrorCode& status);
+
/**
* <p>A convenience override of registerInstance(UObject*, const UnicodeString&, UBool)
* that defaults visible to true.</p>
diff --git a/source/common/uloc_keytype.cpp b/source/common/uloc_keytype.cpp
index a84b8609079..a837e0f14a7 100644
--- a/source/common/uloc_keytype.cpp
+++ b/source/common/uloc_keytype.cpp
@@ -327,12 +327,20 @@ initFromResourceBundle(UErrorCode& sts) {
}
}
if (U_FAILURE(sts)) {
+ if (typeDataMap != NULL) {
+ uhash_close(typeDataMap);
+ typeDataMap = NULL;
+ }
break;
}
LocExtKeyData* keyData = gLocExtKeyDataEntries->create();
if (keyData == nullptr) {
sts = U_MEMORY_ALLOCATION_ERROR;
+ if (typeDataMap != NULL) {
+ uhash_close(typeDataMap);
+ typeDataMap = NULL;
+ }
break;
}
keyData->bcpId = bcpKeyId;
diff --git a/source/common/umutablecptrie.cpp b/source/common/umutablecptrie.cpp
index cdbe27080b4..e58ab6f4897 100644
--- a/source/common/umutablecptrie.cpp
+++ b/source/common/umutablecptrie.cpp
@@ -1543,7 +1543,7 @@ int32_t MutableCodePointTrie::compactTrie(int32_t fastILimit, UErrorCode &errorC
MixedBlocks mixedBlocks;
int32_t newDataLength = compactData(fastILimit, newData, newDataCapacity,
dataNullIndex, mixedBlocks, errorCode);
- if (U_FAILURE(errorCode)) { return 0; }
+ if (U_FAILURE(errorCode)) { uprv_free(newData); return 0; }
U_ASSERT(newDataLength <= newDataCapacity);
uprv_free(data);
data = newData;
diff --git a/source/common/uresbund.cpp b/source/common/uresbund.cpp
index 5aa1c5fa2f1..7d16cd048ef 100644
--- a/source/common/uresbund.cpp
+++ b/source/common/uresbund.cpp
@@ -2927,7 +2927,8 @@ typedef struct ULocalesContext {
static void U_CALLCONV
ures_loc_closeLocales(UEnumeration *enumerator) {
- ULocalesContext *ctx = (ULocalesContext *)enumerator->context;
+ if (enumerator == nullptr) { return; }
+ ULocalesContext* ctx = (ULocalesContext *)(enumerator->context);
ures_close(&ctx->curr);
ures_close(&ctx->installed);
uprv_free(ctx);
diff --git a/source/i18n/decNumber.h b/source/i18n/decNumber.h
index 4a1eb364e19..6ad94386c1f 100644
--- a/source/i18n/decNumber.h
+++ b/source/i18n/decNumber.h
@@ -86,7 +86,7 @@
/* range: -1999999997 through 999999999 */
uint8_t bits; /* Indicator bits (see above) */
/* Coefficient, from least significant unit */
- decNumberUnit lsu[DECNUMUNITS];
+ decNumberUnit lsu[DECNUMUNITS+2];
} decNumber;
/* Notes: */
diff --git a/source/i18n/rbt_pars.cpp b/source/i18n/rbt_pars.cpp
index 10482d5edb1..c59a22faab2 100644
--- a/source/i18n/rbt_pars.cpp
+++ b/source/i18n/rbt_pars.cpp
@@ -552,16 +552,15 @@ int32_t RuleHalf::parseSection(const UnicodeString& rule, int32_t pos, int32_t l
case ALT_FUNCTION:
{
int32_t iref = pos;
- TransliteratorIDParser::SingleID* single =
- TransliteratorIDParser::parseFilterID(rule, iref);
+ LocalPointer<TransliteratorIDParser::SingleID> single(
+ TransliteratorIDParser::parseFilterID(rule, iref));
// The next character MUST be a segment open
- if (single == nullptr ||
+ if (single.isNull() ||
!ICU_Utility::parseChar(rule, iref, SEGMENT_OPEN)) {
return syntaxError(U_INVALID_FUNCTION, rule, start, status);
}
Transliterator *t = single->createInstance();
- delete single;
if (t == nullptr) {
return syntaxError(U_INVALID_FUNCTION, rule, start, status);
}
diff --git a/source/i18n/tridpars.cpp b/source/i18n/tridpars.cpp
index 6c23a0dc902..f9c3c207025 100644
--- a/source/i18n/tridpars.cpp
+++ b/source/i18n/tridpars.cpp
@@ -136,6 +136,7 @@ TransliteratorIDParser::parseSingleID(const UnicodeString& id, int32_t& pos,
specsB = parseFilterID(id, pos, true);
// Must close with a ')'
if (specsB == nullptr || !ICU_Utility::parseChar(id, pos, CLOSE_REV)) {
+ delete specsB;
delete specsA;
pos = start;
return nullptr;
diff --git a/source/i18n/usearch.cpp b/source/i18n/usearch.cpp
index 6d9b60cef72..1fb82fe26a4 100644
--- a/source/i18n/usearch.cpp
+++ b/source/i18n/usearch.cpp
@@ -199,6 +199,7 @@ inline int32_t * addTouint32_tArray(int32_t *destination,
int32_t *temp = (int32_t *)allocateMemory(
sizeof(int32_t) * newlength, status);
if (U_FAILURE(*status)) {
+ uprv_free(temp);
return nullptr;
}
uprv_memcpy(temp, destination, sizeof(int32_t) * (size_t)offset);
@@ -240,6 +241,7 @@ inline int64_t * addTouint64_tArray(int64_t *destination,
sizeof(int64_t) * newlength, status);
if (U_FAILURE(*status)) {
+ uprv_free(temp);
return nullptr;
}
diff --git a/source/i18n/uspoof_impl.cpp b/source/i18n/uspoof_impl.cpp
index 7a6084a1096..a1bd7d66a92 100644
--- a/source/i18n/uspoof_impl.cpp
+++ b/source/i18n/uspoof_impl.cpp
@@ -194,8 +194,12 @@ void SpoofImpl::setAllowedLocales(const char *localesList, UErrorCode &status) {
// Store the updated spoof checker state.
tmpSet = allowedChars.clone();
+ if (tmpSet == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
const char *tmpLocalesList = uprv_strdup(localesList);
- if (tmpSet == nullptr || tmpLocalesList == nullptr) {
+ if (tmpLocalesList == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
diff --git a/source/tools/gensprep/store.c b/source/tools/gensprep/store.c
index c3712febb4c..377877c94be 100644
--- a/source/tools/gensprep/store.c
+++ b/source/tools/gensprep/store.c
@@ -638,7 +638,6 @@ extern void
cleanUpData(void) {
uprv_free(mappingData);
utrie_close(sprepTrie);
- uprv_free(sprepTrie);
}
#endif /* #if !UCONFIG_NO_IDNA */
diff --git a/source/tools/makeconv/genmbcs.cpp b/source/tools/makeconv/genmbcs.cpp
index 43b96d814fb..0f610afeee4 100644
--- a/source/tools/makeconv/genmbcs.cpp
+++ b/source/tools/makeconv/genmbcs.cpp
@@ -173,6 +173,10 @@ MBCSOpen(UCMFile *ucm) {
}
MBCSInit(mbcsData, ucm);
+ /* The memory in the MBSData structure following
+ * newConverter will be properly freed in MBCSClose.
+ */
+ /* coverity[leaked_storage] */
return &mbcsData->newConverter;
}
diff --git a/source/tools/pkgdata/pkgtypes.c b/source/tools/pkgdata/pkgtypes.c
index 26bd945df73..ba516861a01 100644
--- a/source/tools/pkgdata/pkgtypes.c
+++ b/source/tools/pkgdata/pkgtypes.c
@@ -31,6 +31,7 @@ const char *pkg_writeCharListWrap(FileStream *s, CharList *l, const char *delim,
{
int32_t ln = 0;
char buffer[1024];
+ char *bufferp = buffer;
while(l != NULL)
{
if(l->str)
@@ -43,7 +44,7 @@ const char *pkg_writeCharListWrap(FileStream *s, CharList *l, const char *delim,
buffer[uprv_strlen(buffer)-1] = '\0';
}
if(buffer[0] == '"') {
- uprv_strcpy(buffer, buffer+1);
+ bufferp = buffer+1;
}
} else if(quote > 0) { /* add quotes */
if(l->str[0] != '"') {
@@ -54,7 +55,7 @@ const char *pkg_writeCharListWrap(FileStream *s, CharList *l, const char *delim,
uprv_strcat(buffer, "\"");
}
}
- T_FileStream_write(s, buffer, (int32_t)uprv_strlen(buffer));
+ T_FileStream_write(s, bufferp, (int32_t)uprv_strlen(bufferp));
ln += (int32_t)uprv_strlen(l->str);
}
@@ -75,7 +76,8 @@ const char *pkg_writeCharListWrap(FileStream *s, CharList *l, const char *delim,
const char *pkg_writeCharList(FileStream *s, CharList *l, const char *delim, int32_t quote)
{
- char buffer[1024];
+ char buffer[1026]; /* 1026 instead of 1024 because quotes may be added */
+ char *bufferp = buffer;
while(l != NULL)
{
if(l->str)
@@ -93,7 +95,7 @@ const char *pkg_writeCharList(FileStream *s, CharList *l, const char *delim, int
buffer[uprv_strlen(buffer)-1] = '\0';
}
if(buffer[0] == '"') {
- uprv_strcpy(buffer, buffer+1);
+ bufferp = buffer+1;
}
} else if(quote > 0) { /* add quotes */
if(l->str[0] != '"') {
@@ -104,7 +106,7 @@ const char *pkg_writeCharList(FileStream *s, CharList *l, const char *delim, int
uprv_strcat(buffer, "\"");
}
}
- T_FileStream_write(s, buffer, (int32_t)uprv_strlen(buffer));
+ T_FileStream_write(s, bufferp, (int32_t)uprv_strlen(bufferp));
}
if(l->next && delim)
diff --git a/source/tools/toolutil/filetools.cpp b/source/tools/toolutil/filetools.cpp
index 994d8e31f00..8dcbb6a480a 100644
--- a/source/tools/toolutil/filetools.cpp
+++ b/source/tools/toolutil/filetools.cpp
@@ -64,6 +64,7 @@ isFileModTimeLater(const char *filePath, const char *checkAgainst, UBool isDir)
newpath.append(dirEntry->d_name, -1, status);
if (U_FAILURE(status)) {
fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, u_errorName(status));
+ closedir(pDir);
return false;
}
--
2.46.1
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