rpms/squid
7
0
Fork 0
Code Issues Pull Requests Releases Activity

Resolves: RHEL-168094 - Squid crashes with assertion failure during shutdown

Browse Source 
when cache_dir is enabled
This commit is contained in:
Luboš Uhliarik 2026-06-04 11:51:51 +02:00
parent 379115153c
commit d6ce1c82c3
2 changed files with 542 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

534
squid-6.10-shutdown-root-assert.patch Normal file
View File

@ -0,0 +1,534 @@
diff --git a/src/main.cc b/src/main.cc
index 47e1cf3..5924a6c 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1585,7 +1585,6 @@ SquidMain(int argc, char **argv)
DiskIOModule::SetupAllModules();
/* we may want the parsing process to set this up in the future */
- Store::Init();
Acl::Init();
Auth::Init(); /* required for config parsing. NOP if !USE_AUTH */
Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing.
diff --git a/src/store/Controller.cc b/src/store/Controller.cc
index 643a1fd..d221a46 100644
--- a/src/store/Controller.cc
+++ b/src/store/Controller.cc
@@ -41,17 +41,11 @@ Store::Controller::Controller() :
assert(!store_table);
}
+/// this destructor is never called because Controller singleton is immortal
Store::Controller::~Controller()
{
- delete sharedMemStore;
- delete transients;
- delete swapDir;
-
- if (store_table) {
- hashFreeItems(store_table, destroyStoreEntry);
- hashFreeMemory(store_table);
- store_table = nullptr;
- }
+ // assert at runtime because we cannot `= delete` an overridden destructor
+ assert(!"Controller is never destroyed");
}
void
@@ -930,26 +924,10 @@ Store::Controller::checkTransients(const StoreEntry &e) const
assert(!transients || e.hasTransients());
}
-namespace Store {
-static RefCount<Controller> TheRoot;
-}
-
Store::Controller&
Store::Root()
{
- assert(TheRoot);
- return *TheRoot;
-}
-
-void
-Store::Init(Controller *root)
-{
- TheRoot = root ? root : new Controller;
-}
-
-void
-Store::FreeMemory()
-{
- TheRoot = nullptr;
+ static const auto root = new Controller();
+ return *root;
}
diff --git a/src/store/Controller.h b/src/store/Controller.h
index 2907594..880ebb5 100644
--- a/src/store/Controller.h
+++ b/src/store/Controller.h
@@ -23,7 +23,6 @@ class Controller: public Storage
{
public:
Controller();
- ~Controller() override;
/* Storage API */
void create() override;
@@ -134,6 +133,8 @@ public:
static int store_dirs_rebuilding;
private:
+ ~Controller() override;
+
bool memoryCacheHasSpaceFor(const int pagesRequired) const;
void referenceBusy(StoreEntry &e);
@@ -165,12 +166,6 @@ private:
/// safely access controller singleton
extern Controller &Root();
-/// initialize the storage module; a custom root is used by unit tests only
-extern void Init(Controller *root = nullptr);
-
-/// undo Init()
-extern void FreeMemory();
-
} // namespace Store
#endif /* SQUID_SRC_STORE_CONTROLLER_H */
diff --git a/src/tests/stub_libstore.cc b/src/tests/stub_libstore.cc
index f9c39e0..0060ea5 100644
--- a/src/tests/stub_libstore.cc
+++ b/src/tests/stub_libstore.cc
@@ -15,7 +15,7 @@
namespace Store
{
Controller::Controller() {STUB_NOP}
-Controller::~Controller() {STUB_NOP}
+Controller::~Controller() STUB
void Controller::create() STUB
void Controller::init() STUB
uint64_t Controller::maxSize() const STUB_RETVAL(0)
@@ -55,10 +55,7 @@ void Controller::memoryDisconnect(StoreEntry &) STUB
StoreSearch *Controller::search() STUB_RETVAL(nullptr)
bool Controller::SmpAware() STUB_RETVAL(false)
int Controller::store_dirs_rebuilding = 0;
-Controller nil;
-Controller &Root() STUB_RETVAL(Store::nil)
-void Init(Controller *) STUB
-void FreeMemory() STUB
+Controller &Root() STUB_RETREF(Controller)
}
#include "store/Disk.h"
diff --git a/src/tests/testPackableStream.cc b/src/tests/testPackableStream.cc
index 7f93f7a..8b8f395 100644
--- a/src/tests/testPackableStream.cc
+++ b/src/tests/testPackableStream.cc
@@ -30,9 +30,6 @@ void testPackableStream::setUp()
void
testPackableStream::testGetStream()
{
- /* Setup a store root so we can create a StoreEntry */
- Store::Init();
-
CapturingStoreEntry * anEntry = new CapturingStoreEntry();
{
anEntry->lock("test");
@@ -56,6 +53,5 @@ testPackableStream::testGetStream()
CPPUNIT_ASSERT_EQUAL(String("12345677.7 some text !."), anEntry->_appended_text);
}
delete anEntry; // does the unlock()
- Store::FreeMemory();
}
diff --git a/src/tests/testRock.cc b/src/tests/testRock.cc
index c8742e2..3d116df 100644
--- a/src/tests/testRock.cc
+++ b/src/tests/testRock.cc
@@ -66,8 +66,6 @@ testRock::setUp()
if (Ipc::Mem::Segment::BasePath == nullptr)
Ipc::Mem::Segment::BasePath = ".";
- Store::Init();
-
store = new Rock::SwapDir();
addSwapDir(store);
@@ -99,8 +97,6 @@ testRock::tearDown()
{
CPPUNIT_NS::TestFixture::tearDown();
- Store::FreeMemory();
-
store = nullptr;
free_cachedir(&Config.cacheSwap);
diff --git a/src/tests/testStore.cc b/src/tests/testStore.cc
index ce1e600..282a54c 100644
--- a/src/tests/testStore.cc
+++ b/src/tests/testStore.cc
@@ -16,116 +16,12 @@
CPPUNIT_TEST_SUITE_REGISTRATION( testStore );
-int
-TestStore::callback()
-{
- return 1;
-}
-
-StoreEntry*
-TestStore::get(const cache_key*)
-{
- return nullptr;
-}
-
-void
-TestStore::get(String, void (*)(StoreEntry*, void*), void*)
-{}
-
-void
-TestStore::init()
-{}
-
-uint64_t
-TestStore::maxSize() const
-{
- return 3;
-}
-
-uint64_t
-TestStore::minSize() const
-{
- return 1;
-}
-
-uint64_t
-TestStore::currentSize() const
-{
- return 2;
-}
-
-uint64_t
-TestStore::currentCount() const
-{
- return 2;
-}
-
-int64_t
-TestStore::maxObjectSize() const
-{
- return 1;
-}
-
-void
-TestStore::getStats(StoreInfoStats &) const
-{
-}
-
-void
-TestStore::stat(StoreEntry &) const
-{
- const_cast<TestStore *>(this)->statsCalled = true;
-}
-
StoreSearch *
TestStore::search()
{
return nullptr;
}
-void
-testStore::testSetRoot()
-{
- Store::Controller *aStore(new TestStore);
- Store::Init(aStore);
-
- CPPUNIT_ASSERT_EQUAL(&Store::Root(), aStore);
- Store::FreeMemory();
-}
-
-void
-testStore::testUnsetRoot()
-{
- Store::Controller *aStore(new TestStore);
- Store::Controller *aStore2(new TestStore);
- Store::Init(aStore);
- Store::FreeMemory();
- Store::Init(aStore2);
- CPPUNIT_ASSERT_EQUAL(&Store::Root(),aStore2);
- Store::FreeMemory();
-}
-
-void
-testStore::testStats()
-{
- TestStore *aStore(new TestStore);
- Store::Init(aStore);
- CPPUNIT_ASSERT_EQUAL(false, aStore->statsCalled);
- StoreEntry entry;
- Store::Stats(&entry);
- CPPUNIT_ASSERT_EQUAL(true, aStore->statsCalled);
- Store::FreeMemory();
-}
-
-void
-testStore::testMaxSize()
-{
- Store::Controller *aStore(new TestStore);
- Store::Init(aStore);
- CPPUNIT_ASSERT_EQUAL(static_cast<uint64_t>(3), aStore->maxSize());
- Store::FreeMemory();
-}
-
namespace Store {
/// check rawType that may be ignored
diff --git a/src/tests/testStore.h b/src/tests/testStore.h
index 1928f07..9f70ff5 100644
--- a/src/tests/testStore.h
+++ b/src/tests/testStore.h
@@ -9,9 +9,6 @@
#ifndef SQUID_SRC_TESTS_TESTSTORE_H
#define SQUID_SRC_TESTS_TESTSTORE_H
-#include "Store.h"
-#include "store/Controlled.h"
-
#include "compat/cppunit.h"
/*
@@ -21,64 +18,14 @@
class testStore : public CPPUNIT_NS::TestFixture
{
CPPUNIT_TEST_SUITE( testStore );
- CPPUNIT_TEST( testSetRoot );
- CPPUNIT_TEST( testUnsetRoot );
- CPPUNIT_TEST( testStats );
- CPPUNIT_TEST( testMaxSize );
CPPUNIT_TEST( testSwapMetaTypeClassification );
CPPUNIT_TEST_SUITE_END();
public:
protected:
- void testSetRoot();
- void testUnsetRoot();
- void testStats();
- void testMaxSize();
void testSwapMetaTypeClassification();
};
-/// allows testing of methods without having all the other components live
-class TestStore : public Store::Controller
-{
-
-public:
- TestStore() : statsCalled (false) {}
-
- bool statsCalled;
-
- int callback() override;
-
- virtual StoreEntry* get(const cache_key*);
-
- virtual void get(String, void (*)(StoreEntry*, void*), void*);
-
- void init() override;
-
- void maintain() override {};
-
- uint64_t maxSize() const override;
-
- uint64_t minSize() const override;
-
- uint64_t currentSize() const override;
-
- uint64_t currentCount() const override;
-
- int64_t maxObjectSize() const override;
-
- void getStats(StoreInfoStats &) const override;
-
- void stat(StoreEntry &) const override; /* output stats to the provided store entry */
-
- virtual void reference(StoreEntry &) {} /* Reference this object */
-
- virtual bool dereference(StoreEntry &) { return true; }
-
- virtual StoreSearch *search();
-};
-
-typedef RefCount<TestStore> TestStorePointer;
-
#endif /* SQUID_SRC_TESTS_TESTSTORE_H */
diff --git a/src/tests/testStoreController.cc b/src/tests/testStoreController.cc
index 8bc60df..8809d2a 100644
--- a/src/tests/testStoreController.cc
+++ b/src/tests/testStoreController.cc
@@ -28,7 +28,6 @@ addSwapDir(TestSwapDirPointer aStore)
void
testStoreController::testStats()
{
- Store::Init();
StoreEntry *logEntry = new StoreEntry;
logEntry->createMemObject("dummy_storeId", nullptr, HttpRequestMethod());
logEntry->store_status = STORE_PENDING;
@@ -42,7 +41,6 @@ testStoreController::testStats()
free_cachedir(&Config.cacheSwap);
CPPUNIT_ASSERT_EQUAL(true, aStore->statsCalled);
CPPUNIT_ASSERT_EQUAL(true, aStore2->statsCalled);
- Store::FreeMemory();
}
static void
@@ -73,14 +71,12 @@ testStoreController::testMaxSize()
StoreEntry *logEntry = new StoreEntry;
logEntry->createMemObject("dummy_storeId", nullptr, HttpRequestMethod());
logEntry->store_status = STORE_PENDING;
- Store::Init();
TestSwapDirPointer aStore (new TestSwapDir);
TestSwapDirPointer aStore2 (new TestSwapDir);
addSwapDir(aStore);
addSwapDir(aStore2);
CPPUNIT_ASSERT_EQUAL(static_cast<uint64_t>(6), Store::Root().maxSize());
free_cachedir(&Config.cacheSwap);
- Store::FreeMemory();
}
static StoreEntry *
@@ -129,7 +125,6 @@ void
testStoreController::testSearch()
{
commonInit();
- Store::Init();
TestSwapDirPointer aStore (new TestSwapDir);
TestSwapDirPointer aStore2 (new TestSwapDir);
addSwapDir(aStore);
@@ -177,7 +172,5 @@ testStoreController::testSearch()
CPPUNIT_ASSERT_EQUAL(true, search->isDone());
CPPUNIT_ASSERT_EQUAL(static_cast<StoreEntry *>(nullptr), search->currentItem());
//CPPUNIT_ASSERT_EQUAL(false, search->next());
-
- Store::FreeMemory();
}
diff --git a/src/tests/testStoreHashIndex.cc b/src/tests/testStoreHashIndex.cc
index 67e3c7f..1f10bdd 100644
--- a/src/tests/testStoreHashIndex.cc
+++ b/src/tests/testStoreHashIndex.cc
@@ -42,7 +42,6 @@ testStoreHashIndex::testStats()
free_cachedir(&Config.cacheSwap);
CPPUNIT_ASSERT_EQUAL(true, aStore->statsCalled);
CPPUNIT_ASSERT_EQUAL(true, aStore2->statsCalled);
- Store::FreeMemory();
}
void
@@ -51,14 +50,12 @@ testStoreHashIndex::testMaxSize()
StoreEntry *logEntry = new StoreEntry;
logEntry->createMemObject("dummy_storeId", nullptr, HttpRequestMethod());
logEntry->store_status = STORE_PENDING;
- Store::Init();
TestSwapDirPointer aStore (new TestSwapDir);
TestSwapDirPointer aStore2 (new TestSwapDir);
addSwapDir(aStore);
addSwapDir(aStore2);
CPPUNIT_ASSERT_EQUAL(static_cast<uint64_t>(6), Store::Root().maxSize());
free_cachedir(&Config.cacheSwap);
- Store::FreeMemory();
}
static StoreEntry *
@@ -129,7 +126,6 @@ void
testStoreHashIndex::testSearch()
{
commonInit();
- Store::Init();
TestSwapDirPointer aStore (new TestSwapDir);
TestSwapDirPointer aStore2 (new TestSwapDir);
addSwapDir(aStore);
@@ -177,7 +173,5 @@ testStoreHashIndex::testSearch()
CPPUNIT_ASSERT_EQUAL(true, search->isDone());
CPPUNIT_ASSERT_EQUAL(static_cast<StoreEntry *>(nullptr), search->currentItem());
//CPPUNIT_ASSERT_EQUAL(false, search->next());
-
- Store::FreeMemory();
}
diff --git a/src/tests/testUfs.cc b/src/tests/testUfs.cc
index 03fcbab..5638c5a 100644
--- a/src/tests/testUfs.cc
+++ b/src/tests/testUfs.cc
@@ -93,8 +93,6 @@ testUfs::testUfsSearch()
if (0 > system ("rm -rf " TESTDIR))
throw std::runtime_error("Failed to clean test work directory");
- Store::Init();
-
MySwapDirPointer aStore (new Fs::Ufs::UFSSwapDir("ufs", "Blocking"));
aStore->IO = new Fs::Ufs::UFSStrategy(DiskIOModule::Find("Blocking")->createStrategy());
@@ -196,8 +194,6 @@ testUfs::testUfsSearch()
CPPUNIT_ASSERT_EQUAL(true, search->isDone());
CPPUNIT_ASSERT_EQUAL(static_cast<StoreEntry *>(nullptr), search->currentItem());
- Store::FreeMemory();
-
free_cachedir(&Config.cacheSwap);
// TODO: here we should test a dirty rebuild
@@ -219,12 +215,6 @@ testUfs::testUfsDefaultEngine()
if (0 > system ("rm -rf " TESTDIR))
throw std::runtime_error("Failed to clean test work directory");
- // This assertion may fail if previous test cases fail.
- // Apparently, CPPUNIT_ASSERT* failure may prevent destructors of local
- // objects such as "StorePointer aRoot" from being called.
- CPPUNIT_ASSERT(!store_table); // or StoreHashIndex ctor will abort below
-
- Store::Init();
MySwapDirPointer aStore (new Fs::Ufs::UFSSwapDir("ufs", "Blocking"));
addSwapDir(aStore);
commonInit();
@@ -240,7 +230,6 @@ testUfs::testUfsDefaultEngine()
safe_free(config_line);
CPPUNIT_ASSERT(aStore->IO->io != nullptr);
- Store::FreeMemory();
free_cachedir(&Config.cacheSwap);
safe_free(Config.replPolicy->type);
delete Config.replPolicy;
diff --git a/src/tests/testStore.cc b/src/tests/testStore.cc
index 282a54c..5d199d0 100644
--- a/src/tests/testStore.cc
+++ b/src/tests/testStore.cc
@@ -16,12 +16,6 @@
CPPUNIT_TEST_SUITE_REGISTRATION( testStore );
-StoreSearch *
-TestStore::search()
-{
- return nullptr;
-}
-
namespace Store {
/// check rawType that may be ignored
diff --git a/src/tests/testStoreHashIndex.cc b/src/tests/testStoreHashIndex.cc
index 1f10bdd..b747876 100644
--- a/src/tests/testStoreHashIndex.cc
+++ b/src/tests/testStoreHashIndex.cc
@@ -31,7 +31,6 @@ testStoreHashIndex::testStats()
StoreEntry *logEntry = new StoreEntry;
logEntry->createMemObject("dummy_storeId", nullptr, HttpRequestMethod());
logEntry->store_status = STORE_PENDING;
- Store::Init();
TestSwapDirPointer aStore (new TestSwapDir);
TestSwapDirPointer aStore2 (new TestSwapDir);
addSwapDir(aStore);

9
squid.spec
View File

@ -2,7 +2,7 @@
Name: squid
Version: 6.10
Release: 14%{?dist}
Release: 15%{?dist}
Summary: The Squid proxy caching server
Epoch: 7
# See CREDITS for breakdown of non GPLv2+ code
@ -52,6 +52,9 @@ Patch209: squid-6.10-provider-keys-digest.patch
Patch210: squid-6.10-dont-stuck-respmod.patch
# https://redhat.atlassian.net/browse/RHEL-169992
Patch211: squid-6.10-memleak-http-reply.patch
# Upstream commit: https://github.com/squid-cache/squid/commit/1f50e07b88dc02c1413a87f10128d29c12937e02
# https://redhat.atlassian.net/browse/RHEL-168094
Patch212: squid-6.10-shutdown-root-assert.patch
# Security patches
# https://bugzilla.redhat.com/show_bug.cgi?id=2404736
@ -340,6 +343,10 @@ fi
%changelog
* Thu Jun 04 2026 Luboš Uhliarik <luhliari@redhat.com> - 7:6.10-15
- Resolves: RHEL-168094 - Squid crashes with assertion failure during shutdown
when cache_dir is enabled
* Wed Apr 29 2026 Luboš Uhliarik <luhliari@redhat.com> - 7:6.10-14
- Resolves: RHEL-169992 - Setting "http_reply_access" in squid.conf
causes a memory leak