Segfault after trying to create cyclic dependency in table and doing select
from this table in same connection
--------------------------------------------------------------------------------------------------------------
Key: CORE-4254
URL: http://tracker.firebirdsql.org/browse/CORE-4254
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 2.5.2 Update 1, 2.5.3
Environment: Ubuntu 13.10 x86_64
RHEL 5.4 x86
Reporter: Artyom Smirnov
Cyclic dependency will not appear, as expected, but query compilation will
segfault. Stacktrace have ton of CMP_pass1 (like cyclic dependency actually
exist). On next connection crash can not be reproduced.
Reproducing query for isql:
create database 'test.fdb';
create table t (
n integer,
n1 computed by (n),
n2 computed by (n1)
);
commit;
alter table t alter n1 computed by (n2);
commit;
select * from t;
Stacktrace:
(gdb) bt
#0 0x0040ec3a in mcount () from /lib/libc.so.6
#1 0x083d3008 in Firebird::Array<void const*, Firebird::EmptyStorage<void
const*> >::find (this=0xb7fe7418, item=@0x4656080, pos=@0x4656050) at
../src/include/../common/classes/array.h:358
#2 0x083d308d in Firebird::Array<void const*, Firebird::EmptyStorage<void
const*> >::exist (this=0xb7fe7418, item=@0x4656080) at
../src/include/../common/classes/array.h:372
#3 0x083d2c1f in Firebird::PublicHandle::isKnownHandle (this=0xb7deb084) at
../src/common/classes/PublicHandle.cpp:70
#4 0x0809d40d in Jrd::Database::checkHandle (this=0xb7deb084) at
../src/dsql/../dsql/../jrd/Database.h:357
#5 0x0809d53c in CHECK_TDBB (tdbb=0x5054780) at ../src/dsql/../jrd/jrd.h:963
#6 0x0809d5c4 in SET_TDBB (tdbb=@0x4656500) at ../src/dsql/../jrd/jrd.h:1002
#7 0x08170d6c in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226794)
at ../src/jrd/cmp.cpp:3653
#8 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb72267d4)
at ../src/jrd/cmp.cpp:3967
#9 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226814)
at ../src/jrd/cmp.cpp:3967
#10 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226854)
at ../src/jrd/cmp.cpp:3967
#11 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226894)
at ../src/jrd/cmp.cpp:3967
#12 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb72268d4)
at ../src/jrd/cmp.cpp:3967
#13 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226914)
at ../src/jrd/cmp.cpp:3967
#14 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226954)
at ../src/jrd/cmp.cpp:3967
#15 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226994)
at ../src/jrd/cmp.cpp:3967
#16 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb72269d4)
at ../src/jrd/cmp.cpp:3967
#17 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226a14)
at ../src/jrd/cmp.cpp:3967
#18 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226a54)
at ../src/jrd/cmp.cpp:3967
#19 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226a94)
at ../src/jrd/cmp.cpp:3967
#20 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226ad4)
at ../src/jrd/cmp.cpp:3967
#21 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226b14)
at ../src/jrd/cmp.cpp:3967
#22 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226b54)
at ../src/jrd/cmp.cpp:3967
#23 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226b94)
at ../src/jrd/cmp.cpp:3967
#24 0x08172032 in CMP_pass1 (tdbb=0x5054780, csb=0xb73a87f8, node=0xb7226bd4)
at ../src/jrd/cmp.cpp:3967
Here ~10000 of exactly same frames.
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