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When executing CREATE DATABASE from isql, valgrind reports:
==10931== Conditional jump or move depends on uninitialised value(s)
==10931== at 0x4BC0413: check_status_vector(long const*) (why.cpp:5229)
==10931== by 0x4BC22BB: (anonymous namespace)::Status::~Status() (why.cpp:801)
==10931== by 0x4BC2297: (anonymous namespace)::YEntry::~YEntry() (why.cpp:941)
==10931== by 0x4BB75FA: isc_attach_database (why.cpp:1376)
==10931== by 0x4D85869: PREPARSE_execute(long*, unsigned*, unsigned*, unsigned short, char const*, bool*, unsigned short) (preparse.cpp:254)
==10931== by 0x4BBAD67: isc_dsql_exec_immed2_m (why.cpp:2841)
==10931== by 0x4BBAA36: isc_dsql_exec_immed2 (why.cpp:2725)
==10931== by 0x4BBA82F: isc_dsql_execute_immediate (why.cpp:2676)
==10931== by 0x413E26: create_db(char const*, char*) (isql.cpp:4572)
==10931== by 0x4154DB: frontend(char const*) (isql.cpp:5395)
==10931== by 0x416EC7: get_statement(char*, unsigned long, char const*) (isql.cpp:6228)
==10931== by 0x4146EA: do_isql() (isql.cpp:4841)
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Description
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When executing CREATE DATABASE from isql, valgrind reports:
==10931== Conditional jump or move depends on uninitialised value(s)
==10931== at 0x4BC0413: check_status_vector(long const*) (why.cpp:5229)
==10931== by 0x4BC22BB: (anonymous namespace)::Status::~Status() (why.cpp:801)
==10931== by 0x4BC2297: (anonymous namespace)::YEntry::~YEntry() (why.cpp:941)
==10931== by 0x4BB75FA: isc_attach_database (why.cpp:1376)
==10931== by 0x4D85869: PREPARSE_execute(long*, unsigned*, unsigned*, unsigned short, char const*, bool*, unsigned short) (preparse.cpp:254)
==10931== by 0x4BBAD67: isc_dsql_exec_immed2_m (why.cpp:2841)
==10931== by 0x4BBAA36: isc_dsql_exec_immed2 (why.cpp:2725)
==10931== by 0x4BBA82F: isc_dsql_execute_immediate (why.cpp:2676)
==10931== by 0x413E26: create_db(char const*, char*) (isql.cpp:4572)
==10931== by 0x4154DB: frontend(char const*) (isql.cpp:5395)
==10931== by 0x416EC7: get_statement(char*, unsigned long, char const*) (isql.cpp:6228)
==10931== by 0x4146EA: do_isql() (isql.cpp:4841)
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Show » |
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Bug
Closed
Major
Valgrind often reports "Conditional jump or move depends on uninitialised value(s)" in check_status_vector()
(32bit) in iberror.h. But they are stored in status vector, which is
ISC_STATUS (64 bit). Everything is not too bad as long as there is only one
error code in a vector - it's passed as first parameter in
ERR_post(ISC_STATUS, ...), and compiler knows it must convert it to 64-bit
value. But if some more error code is passed, it's passed as vararg,
therefore no conversion takes place. And 4 high bytes of ISC_STATUS contain
dirt (I've seen myself that it may be non-zero).
Datatypes should better match!