Server hang on new attachment right after trace session stop
------------------------------------------------------------
Key: CORE-6027
URL: http://tracker.firebirdsql.org/browse/CORE-6027
Project: Firebird Core
Issue Type: Bug
Components: TRACEMGR
Affects Versions: 3.0.4
Environment: Linux x86_64
Reporter: Artyom Smirnov
Test script
(https://gist.github.com/artyom-smirnov/076879ff9edff7f2b58147eb5665f0ed):
#!/bin/bash
DB_PATH=/tmp/testdb.fdb
DB=localhost:$DB_PATH
ISQL="/opt/firebird/bin/isql -q -u SYSDBA -p masterkey"
cat << EOF > /tmp/fbtrace_custom.conf
database
{
enabled = true
format = 0
log_connections = true
log_statement_start =true
}
EOF
cat << EOF > /tmp/createdb.sql
create database '$DB';
EOF
cat << EOF > /tmp/q.sql
connect '$DB';
exit 0;
EOF
rm -f $DB_PATH
$ISQL -i /tmp/createdb.sql
while true; do
/opt/firebird/bin/fbtracemgr -se service_mgr -user SYSDBA -password
masterkey -start -c /tmp/fbtrace_custom.conf &
rdbtracemgr_pid=$!
sleep 1
kill -TERM $rdbtracemgr_pid
$ISQL -i /tmp/q.sql
done
Run as:
sudo -u firebird ./test.sh
Result will be like this and then server will hang:
Trace session ID 1 started
Trace session ID 2 started
Trace session ID 3 started
Trace session ID 4 started
Trace session ID 5 started
Trace session ID 6 started
Trace session ID 7 started
Trace session ID 8 started
Trace session ID 9 started
Trace session ID 10 started
Trace session ID 11 started
Trace session ID 12 started
Trace session ID 13 started
Trace session ID 14 started
Trace session ID 15 started
Trace session ID 16 started
./test.sh: line 41: 5872 Segmentation fault (core dumped)
/opt/firebird/bin/fbtracemgr -se service_mgr -user SYSDBA -password masterkey
-start -c /tmp/fbtrace_custom.conf
Trace session ID 17 started
Trace session ID 18 started
./test.sh: line 41: 5903 Segmentation fault (core dumped)
/opt/firebird/bin/fbtracemgr -se service_mgr -user SYSDBA -password masterkey
-start -c /tmp/fbtrace_custom.conf
Trace session ID 19 started
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
Trace session ID 21 started
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
Trace session ID 23 started
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
I/O error during "lseek" operation for file "/tmp/firebird/fb_trace_ggAtlF"
-Error while trying to read from file
-Bad file descriptor
Trace session ID 31 started
Backtrace of hanged server:
#0 __pthread_mutex_lock_full (mutex=0x7f8ddf3b6010) at
../nptl/pthread_mutex_lock.c:313
#1 0x00007f8ddc25e315 in Firebird::SharedMemoryBase::mutexLock
(this=0x7f8ddbdd3bc0) at /usr/home/firebird/3.0.4/src/common/isc_sync.cpp:3437
#2 0x00007f8ddc1c12d0 in Jrd::ConfigStorage::acquire
(this=this@entry=0x7f8ddb8a7230)
at /usr/home/firebird/3.0.4/src/jrd/trace/TraceConfigStorage.cpp:308
#3 0x00007f8ddc1c8215 in Jrd::StorageGuard::StorageGuard
(storage=0x7f8ddb8a7230, this=<synthetic pointer>)
at
/usr/home/firebird/3.0.4/src/jrd/trace/../../jrd/trace/../../jrd/trace/TraceConfigStorage.h:172
#4 Jrd::TraceManager::update_sessions (this=this@entry=0x7f8ddb4c0070) at
/usr/home/firebird/3.0.4/src/jrd/trace/TraceManager.cpp:184
#5 0x00007f8ddbf92ecb in Jrd::TraceManager::needs (this=0x7f8ddb4c0070, e=0)
at /usr/home/firebird/3.0.4/src/jrd/../jrd/trace/TraceManager.h:125
#6 0x00007f8ddbf85a1a in Jrd::JProvider::internalAttach (this=<optimized out>,
user_status=0x7f8dd9391590,
filename=0x7f8dd939172c "/opt/firebird/security3.fdb",
dpb_length=<optimized out>, dpb=<optimized out>, existingId=0x0)
at /usr/home/firebird/3.0.4/src/jrd/jrd.cpp:1874
#7 0x00007f8ddbe82e58 in Firebird::IProviderBaseImpl<Jrd::JProvider,
Firebird::CheckStatusWrapper, Firebird::IPluginBaseImpl<Jrd::JProvider,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IReferenceCountedImpl<Jrd::JProvider,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IVersionedImpl<Jrd::JProvider,
Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IProvider> > > > > >
>::cloopattachDatabaseDispatcher(Firebird::IProvider*, Firebird::IStatus*, char
const*, unsigned int, unsigned char const*) () from
/opt/firebird/plugins/libEngine12.so
#8 0x00007f8ddf469df6 in
Firebird::IProvider::attachDatabase<Firebird::CheckStatusWrapper>
(dpb=0x7f8dd93917a8 "\001M", dpbLength=34,
fileName=0x7f8dd939172c "/opt/firebird/security3.fdb",
status=0x7f8dd9391b00, this=0x7f8ddbbbabe8)
at /usr/home/firebird/3.0.4/src/include/firebird/IdlFbInterfaces.h:2037
#9 Why::Dispatcher::attachOrCreateDatabase (this=0x7f8ddf3ce8f0,
status=status@entry=0x7f8dd9391b00, createFlag=createFlag@entry=false,
filename=filename@entry=0x7f8dde7ebe40 "/opt/firebird/security3.fdb",
dpbLength=dpbLength@entry=32,
dpb=dpb@entry=0x7f8dd9391e18
"\001\067\001\001\034\006SYSDBAW\022Providers=Engine12") at
/usr/home/firebird/3.0.4/src/yvalve/why.cpp:5725
#10 0x00007f8ddf46a4e5 in Why::Dispatcher::attachDatabase (this=<optimized
out>, status=status@entry=0x7f8dd9391b00,
filename=filename@entry=0x7f8dde7ebe40 "/opt/firebird/security3.fdb",
dpbLength=dpbLength@entry=32,
dpb=dpb@entry=0x7f8dd9391e18
"\001\067\001\001\034\006SYSDBAW\022Providers=Engine12") at
/usr/home/firebird/3.0.4/src/yvalve/why.cpp:5640
#11 0x00007f8ddf4223d8 in Firebird::IProviderBaseImpl<Why::Dispatcher,
Firebird::CheckStatusWrapper, Firebird::IPluginBaseImpl<Why::Dispatcher,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IReferenceCountedImpl<Why::Dispatcher,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IVersionedImpl<Why::Dispatcher,
Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IProvider> > > > > >
>::cloopattachDatabaseDispatcher
(self=<optimized out>, status=0x7f8dd9392148, fileName=0x7f8dde7ebe40
"/opt/firebird/security3.fdb", dpbLength=32,
dpb=0x7f8dd9391e18 "\001\067\001\001\034\006SYSDBAW\022Providers=Engine12")
at /usr/home/firebird/3.0.4/src/include/firebird/IdlFbInterfaces.h:9123
#12 0x000000000044acfa in
Firebird::IProvider::attachDatabase<Firebird::CheckStatusWrapper> (
dpb=0x7f8dd9391e18 "\001\067\001\001\034\006SYSDBAW\022Providers=Engine12",
dpbLength=32,
fileName=0x7f8dde7ebe40 "/opt/firebird/security3.fdb",
status=0x7f8dd9392140, this=0x7f8ddf3ce8f8)
at /usr/home/firebird/3.0.4/src/include/firebird/IdlFbInterfaces.h:2037
#13 Auth::SrpServer::authenticate (this=0x7f8dde7edee0, status=0x7f8dd9392140,
sb=0x7f8ddd724dc8, writerInterface=<optimized out>)
at
/usr/home/firebird/3.0.4/src/auth/SecureRemotePassword/server/SrpServer.cpp:159
#14 0x0000000000451b08 in Firebird::IServerBaseImpl<Auth::SrpServer,
Firebird::CheckStatusWrapper, Firebird::IAuthImpl<Auth::SrpServer,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IPluginBaseImpl<Auth::SrpServer,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IReferenceCountedImpl<Auth::SrpServer,
Firebird::CheckStatusWrapper,
Firebird::Inherit<Firebird::IVersionedImpl<Auth::SrpServer,
Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IServer> > > > > > >
> >::cloopauthenticateDispatcher(Firebird::IServer*, Firebird::IStatus*,
Firebird::IServerBlock*, Firebird::IWriter*) ()
#15 0x00000000004376af in
Firebird::IServer::authenticate<Firebird::CheckStatusWrapper>
(writerInterface=0x7f8ddd725118, sBlock=0x7f8ddd724dc8,
status=0x7f8dd9392210, this=0x7f8dde7edee8) at
/usr/home/firebird/3.0.4/src/include/firebird/IdlFbInterfaces.h:2371
#16 (anonymous namespace)::ServerAuth::authenticate
(this=this@entry=0x7f8dde7ef570, send=send@entry=0x7f8ddd7494d8,
flags=flags@entry=ServerAuthBase::USE_COND_ACCEPT) at
/usr/home/firebird/3.0.4/src/remote/server/server.cpp:640
--Type <RET> for more, q to quit, c to continue without paging--
#17 0x00000000004453c4 in accept_connection (send=0x7f8ddd7494d8,
connect=0x7f8ddd7499b0, port=0x7f8ddd744e40)
at /usr/home/firebird/3.0.4/src/remote/server/server.cpp:1907
#18 process_packet (port=0x7f8ddd744e40, sendL=sendL@entry=0x7f8ddd7494d8,
receive=receive@entry=0x7f8ddd7499a8,
result=result@entry=0x7f8dd9392d70) at
/usr/home/firebird/3.0.4/src/remote/server/server.cpp:4361
#19 0x0000000000446792 in loopThread () at
/usr/home/firebird/3.0.4/src/remote/server/server.cpp:6016
#20 0x00000000004595b5 in (anonymous namespace)::ThreadArgs::run
(this=<synthetic pointer>)
at /usr/home/firebird/3.0.4/src/common/ThreadStart.cpp:78
#21 (anonymous namespace)::threadStart (arg=0x7f8dde7ec900) at
/usr/home/firebird/3.0.4/src/common/ThreadStart.cpp:94
#22 0x00007f8ddec1c164 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#23 0x00007f8ddeb44def in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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