Crashes libfbclient
Jorge Gonçalves
Can you help us or advise any client version where these issues are resolved?
Findings:
-- Was crashing due to a call to 'getDefaultMemoryPool'
after the default pool was de-allocated ('cleanupDefaultPool')
[versions 2.5.9 and 5.0]:
(from version 2.5.9)
#0 0x00007f652059d301 in Firebird::MemoryPool::allocate_nothrow
(this=0x0, size=192, upper_size=0, file=0x7f652061f358
"../src/common/StatusArg.cpp", line=66) at
../src/common/classes/alloc.cpp:789
#1 0x00007f652059d7bf in Firebird::MemoryPool::verify_pool
(this=0x4200000000, fast_checks_only=false) at
../src/common/classes/alloc.cpp:911
#2 0x00007f652052fcb2 in operator new (s=192, pool=...,
file=0x7f652061f358 "../src/common/StatusArg.cpp", line=66) at
../src/include/../common/classes/alloc.h:505
#3 0x00007f6520599aaf in
Firebird::Arg::StatusVector::StatusVector (this=0x7f653f7db268,
k=1, c=335544373) at ../src/common/StatusArg.cpp:66
#4 0x00007f652059a529 in Firebird::Arg::Gds::Gds
(this=0x7f653f7db268, s=335544373) at
../src/common/StatusArg.cpp:210
#5 0x00007f65205979e3 in Firebird::system_error::system_error
(this=0x7f64b8068ff0, syscall=0x7f65205c9514 "pthread_mutex_lock",
error_code=22) at ../src/common/fb_exception.cpp:354
#6 0x00007f6520597bdf in
Firebird::system_call_failed::system_call_failed
(this=0x7f64b8068ff0, syscall=0x7f65205c9514 "pthread_mutex_lock",
error_code=22) at ../src/common/fb_exception.cpp:382
#7 0x00007f6520597c2b in Firebird::system_call_failed::raise
(syscall=0x7f65205c9514 "pthread_mutex_lock", error_code=22) at
../src/common/fb_exception.cpp:398
#8 0x00007f652052fb6a in Firebird::Mutex::enter
(this=0x7f653c1300d8) at
../src/include/../common/classes/locks.h:172
#9 0x00007f652052fbd6 in Firebird::MutexLockGuard::MutexLockGuard
(this=0x7f653f7db388, alock=...) at
../src/include/../common/classes/locks.h:246
-- Sometimes we get the following error: Assertion (lockCounter.value() == 0) failure: [...]/firebird/src/yvalve/../common/classes/rwlock.h 235 and the program aborts [version 5.0]
-- Another crash [version 5.0]:
#0 0x00007fd3094099ec in
Firebird::RefPtr<Firebird::RefMutex>::operator
Firebird::RefMutex* (this=0x7fd1f1db57e0) at
/home/msilva/code/firebird/src/include/../common/classes/RefCounted.h:181
#1 0x00007fd30943c610 in (anonymous
namespace)::ClientPortsCleanup::closePort (this=0x7fd31c003bd0,
port=0x7fd1f1db57d0) at
/home/msilva/code/firebird/src/remote/client/interface.cpp:9476
#2 0x00007fd309419560 in PortsCleanup::closePorts
(this=0x7fd31c003bd0) at
/home/msilva/code/firebird/src/remote/remote.cpp:814
#3 0x00007fd3094247bd in Remote::RProvider::shutdown
(this=0x7fd30b1ab7d0, status=0x7fff1115cd90) at
/home/msilva/code/firebird/src/remote/client/interface.cpp:1023
#4 0x00007fd309452091 in
Firebird::IProviderBaseImpl<Remote::RProvider,
Firebird::CheckStatusWrapper,
Firebird::IPluginBaseImpl<Remote::RProvider,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IReferenceCountedImpl<Remote::RProvider,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IVersionedImpl<Remote::RProvider,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IProvider> > > > >
> >::cloopshutdownDispatcher (self=0x7fd30b1ab7d8,
status=0x7fff1115cf58, timeout=36000000, reason=-7) at
/home/msilva/code/firebird/src/include/firebird/IdlFbInterfaces.h:12140
#5 0x00007fd3093d8634 in
Firebird::IProvider::shutdown<Firebird::CheckStatusWrapper>
(this=0x7fd30b1ab7d8, status=0x7fff1115cf50, timeout=36000000,
reason=-7)
at
/home/msilva/code/firebird/src/include/firebird/IdlFbInterfaces.h:2938
#6 0x00007fd3093c117b in Why::Dispatcher::shutdown
(this=0x7fd1e7b9aeb0, userStatus=0x7fff1115d400, timeout=36000000,
reason=-7) at /home/msilva/code/firebird/src/yvalve/why.cpp:6676
#7 0x00007fd3093b3ab2 in fb_shutdown (timeout=10000, reason=-7)
at /home/msilva/code/firebird/src/yvalve/why.cpp:3790
#8 0x00007fd3093a738f in (anonymous
namespace)::ShutdownInit::atExitShutdown () at
/home/msilva/code/firebird/src/yvalve/why.cpp:763
#9 0x00007fd3094d52ae in Firebird::InstanceControl::destructors
() at /home/msilva/code/firebird/src/common/classes/init.cpp:244
#10 0x00007fd3094d4e6d in (anonymous namespace)::allClean () at
/home/msilva/code/firebird/src/common/classes/init.cpp:112
#11 0x00007fd3094d57fe in std::_Function_handler<void (), void
(*)()>::_M_invoke(std::_Any_data const&) (__functor=...) at
/usr/include/c++/9/bits/std_function.h:300
#12 0x00007fd3093ce1fc in std::function<void
()>::operator()() const (this=0x7fd30984e020 <(anonymous
namespace)::global>) at
/usr/include/c++/9/bits/std_function.h:688
#13 0x00007fd3093cb89c in Firebird::Cleanup::~Cleanup
(this=0x7fd30984e020 <(anonymous namespace)::global>,
__in_chrg=<optimized out>) at
/home/msilva/code/firebird/src/include/../common/classes/auto.h:315
#14 0x00007fd31ced48a7 in __run_exit_handlers (status=0,
listp=0x7fd31d07a718 <__exit_funcs>,
run_list_atexit=run_list_atexit@entry=true,
run_dtors=run_dtors@entry=true) at exit.c:108
#15 0x00007fd31ced4a60 in __GI_exit (status=<optimized out>)
at exit.c:139
#16 0x00007fd31ceb208a in __libc_start_main (main=0x564d300c45a0,
argc=1, argv=0x7fff1115e808, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7fff1115e7f8)
at ../csu/libc-start.c:342
Adriano dos Santos Fernandes
Adriano
On 17/05/2023 10:49, Jorge Gonçalves wrote:
> Hello,
> we are running some stress tests using unixODBC and we are finding a lot
> of crashes in libfbclient.
> The test consists of making several asynchronous connections (+1000 )
> and disconnects. In this process we always keep ~100 active connections.
>
> On almost every run ( + 700 connections) libfbclient crashes.
>
> The tests are done on Linux using libcliente 2.5.9 and 3.0 .
> We get the source code of 2.5.9 and the current git trunk and have
> re-run the test with debug Info .
>
> Can you help us or advise any client version where these issues are
> resolved?
>
> Findings:
>
> default pool was de-allocated ('*cleanupDefaultPool*')*[versions 2.5.9
> and 5.0]*:
>
> -- Another crash *[version 5.0]*:
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