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Summary:ASTERISK-29711: aelparse: GCC 11.2 found two maybe uninitialized
Reporter:Alexander Traud (traud)Labels:
Date Opened:2021-10-28 10:00:02Date Closed:2021-11-01 09:16:04
Priority:MinorRegression?
Status:Closed/CompleteComponents:Utilities/aelparse
Versions:16.21.1 18.7.1 Frequency of
Occurrence
Related
Issues:
is duplicated byASTERISK-29725 COMPILE_DOUBLE exposes issues in logger.c and channel.c with GCC 11.2
Environment:Ubuntu 21.10Attachments:
Description:{code}   [CC] extconf.c -> extconf.o
extconf.c: In function ‘ast_config_internal_load’:
extconf.c:2896:18: warning: ‘db’ may be used uninitialized [-Wmaybe-uninitialized]
2896 |         result = loader->load_func(db, table, filename, cfg, withcomments, suggested_incl_file);
     |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
extconf.c:2896:18: note: by argument 1 of type ‘const char *’ to ‘config_load_func’ {aka ‘struct ast_config *(const char *, const char *, const char *, struct ast_config *, int,  const char *)’}
extconf.c:2866:14: note: ‘db’ declared here
2866 |         char db[256];
     |              ^~
extconf.c:2896:18: warning: ‘table’ may be used uninitialized [-Wmaybe-uninitialized]
2896 |         result = loader->load_func(db, table, filename, cfg, withcomments, suggested_incl_file);
     |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
extconf.c:2896:18: note: by argument 2 of type ‘const char *’ to ‘config_load_func’ {aka ‘struct ast_config *(const char *, const char *, const char *, struct ast_config *, int,  const char *)’}
extconf.c:2867:14: note: ‘table’ declared here
2867 |         char table[256];
     |              ^~~~~
{code}
I do not think the solution is initializing the variables {{db}} and {{table}} because I do not know what happens if those are {{NULL}} either. Perhaps someone knows what that code does, I do not understand it to be able to change the control flow. Therefore, just reporting.
Comments:By: Asterisk Team (asteriskteam) 2021-10-28 10:00:03.156-0500

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By: Friendly Automation (friendly-automation) 2021-11-01 09:16:05.505-0500

Change 16660 merged by Friendly Automation:
various: Fix GCC 11.2 compilation issues.

[https://gerrit.asterisk.org/c/asterisk/+/16660|https://gerrit.asterisk.org/c/asterisk/+/16660]
By: Friendly Automation (friendly-automation) 2021-11-01 09:16:38.920-0500

Change 16658 merged by Friendly Automation:
various: Fix GCC 11.2 compilation issues.

[https://gerrit.asterisk.org/c/asterisk/+/16658|https://gerrit.asterisk.org/c/asterisk/+/16658]
By: Friendly Automation (friendly-automation) 2021-11-01 09:18:32.062-0500

Change 16659 merged by Friendly Automation:
various: Fix GCC 11.2 compilation issues.

[https://gerrit.asterisk.org/c/asterisk/+/16659|https://gerrit.asterisk.org/c/asterisk/+/16659]
By: Friendly Automation (friendly-automation) 2021-11-01 09:19:25.626-0500

Change 16663 merged by Friendly Automation:
various: Fix GCC 11.2 compilation issues.

[https://gerrit.asterisk.org/c/asterisk/+/16663|https://gerrit.asterisk.org/c/asterisk/+/16663]