[asterisk-bugs] [JIRA] (ASTERISK-29713) GCC 11.2: two stringop-overread
George Joseph (JIRA)
noreply at issues.asterisk.org
Fri Oct 29 13:32:49 CDT 2021
[ https://issues.asterisk.org/jira/browse/ASTERISK-29713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
George Joseph updated ASTERISK-29713:
-------------------------------------
Assignee: Alexander Traud
Status: Waiting for Feedback (was: Triage)
Do you plan on submitting reviews for this?
> GCC 11.2: two stringop-overread
> -------------------------------
>
> Key: ASTERISK-29713
> URL: https://issues.asterisk.org/jira/browse/ASTERISK-29713
> Project: Asterisk
> Issue Type: Bug
> Security Level: None
> Components: Core/Channels, Core/Logging
> Affects Versions: 16.21.1, 18.7.1
> Environment: Ubuntu 21.10 with GCC 11.2
> Reporter: Alexander Traud
> Assignee: Alexander Traud
> Severity: Major
>
> The following was seen on a (minimal) installation of Ubuntu 21.10. Asterisk was made via:
> {code}
> sudo apt update
> sudo ./contrib/scripts/install_prereq install
> ./configure
> make
> {code}Two modules gave a warning (which turn into errors in the developer mode):{code}
> [CC] logger.c -> logger.o
> In file included from include/asterisk/lock.h:663,
> from include/asterisk/utils.h:32,
> from include/asterisk/module.h:39,
> from logger.c:52:
> In function ‘ast_threadstorage_set_ptr’,
> inlined from ‘ast_log_safe’ at logger.c:2216:6:
> include/asterisk/threadstorage.h:258:16: warning: ‘pthread_setspecific’ expecting 1 byte in a region of size 0 [-Wstringop-overread]
> 258 | return pthread_setspecific(ts->key, ptr);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asterisk/inline_api.h:52:65: note: in definition of macro ‘AST_INLINE_API’
> 52 | #define AST_INLINE_API(hdr, body) static hdr; static inline hdr body
> | ^~~~
> In file included from include/asterisk/lock.h:51,
> from include/asterisk/utils.h:32,
> from include/asterisk/module.h:39,
> from logger.c:52:
> include/asterisk/threadstorage.h: In function ‘ast_log_safe’:
> /usr/include/pthread.h:1308:12: note: in a call to function ‘pthread_setspecific’ declared with attribute ‘access (none, 2)’
> 1308 | extern int pthread_setspecific (pthread_key_t __key,
> | ^~~~~~~~~~~~~~~~~~~
> {code}{code}
> [CC] channel.c -> channel.o
> In file included from include/asterisk/lock.h:663,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> In function ‘ast_threadstorage_set_ptr’,
> inlined from ‘channel_set_intercept_mode’ at channel.c:10346:11,
> inlined from ‘ast_channel_connected_line_macro’ at channel.c:10393:2:
> include/asterisk/threadstorage.h:258:16: warning: ‘pthread_setspecific’ expecting 1 byte in a region of size 0 [-Wstringop-overread]
> 258 | return pthread_setspecific(ts->key, ptr);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asterisk/inline_api.h:52:65: note: in definition of macro ‘AST_INLINE_API’
> 52 | #define AST_INLINE_API(hdr, body) static hdr; static inline hdr body
> | ^~~~
> In file included from include/asterisk/lock.h:51,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> include/asterisk/threadstorage.h: In function ‘ast_channel_connected_line_macro’:
> /usr/include/pthread.h:1308:12: note: in a call to function ‘pthread_setspecific’ declared with attribute ‘access (none, 2)’
> 1308 | extern int pthread_setspecific (pthread_key_t __key,
> | ^~~~~~~~~~~~~~~~~~~
> In file included from include/asterisk/lock.h:663,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> In function ‘ast_threadstorage_set_ptr’,
> inlined from ‘channel_set_intercept_mode’ at channel.c:10346:11,
> inlined from ‘ast_channel_redirecting_macro’ at channel.c:10445:2:
> include/asterisk/threadstorage.h:258:16: warning: ‘pthread_setspecific’ expecting 1 byte in a region of size 0 [-Wstringop-overread]
> 258 | return pthread_setspecific(ts->key, ptr);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asterisk/inline_api.h:52:65: note: in definition of macro ‘AST_INLINE_API’
> 52 | #define AST_INLINE_API(hdr, body) static hdr; static inline hdr body
> | ^~~~
> In file included from include/asterisk/lock.h:51,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> include/asterisk/threadstorage.h: In function ‘ast_channel_redirecting_macro’:
> /usr/include/pthread.h:1308:12: note: in a call to function ‘pthread_setspecific’ declared with attribute ‘access (none, 2)’
> 1308 | extern int pthread_setspecific (pthread_key_t __key,
> | ^~~~~~~~~~~~~~~~~~~
> In file included from include/asterisk/lock.h:663,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> In function ‘ast_threadstorage_set_ptr’,
> inlined from ‘channel_set_intercept_mode’ at channel.c:10346:11,
> inlined from ‘ast_channel_connected_line_sub’ at channel.c:10490:2:
> include/asterisk/threadstorage.h:258:16: warning: ‘pthread_setspecific’ expecting 1 byte in a region of size 0 [-Wstringop-overread]
> 258 | return pthread_setspecific(ts->key, ptr);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asterisk/inline_api.h:52:65: note: in definition of macro ‘AST_INLINE_API’
> 52 | #define AST_INLINE_API(hdr, body) static hdr; static inline hdr body
> | ^~~~
> In file included from include/asterisk/lock.h:51,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> include/asterisk/threadstorage.h: In function ‘ast_channel_connected_line_sub’:
> /usr/include/pthread.h:1308:12: note: in a call to function ‘pthread_setspecific’ declared with attribute ‘access (none, 2)’
> 1308 | extern int pthread_setspecific (pthread_key_t __key,
> | ^~~~~~~~~~~~~~~~~~~
> In file included from include/asterisk/lock.h:663,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> In function ‘ast_threadstorage_set_ptr’,
> inlined from ‘channel_set_intercept_mode’ at channel.c:10346:11,
> inlined from ‘ast_channel_redirecting_sub’ at channel.c:10535:2:
> include/asterisk/threadstorage.h:258:16: warning: ‘pthread_setspecific’ expecting 1 byte in a region of size 0 [-Wstringop-overread]
> 258 | return pthread_setspecific(ts->key, ptr);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asterisk/inline_api.h:52:65: note: in definition of macro ‘AST_INLINE_API’
> 52 | #define AST_INLINE_API(hdr, body) static hdr; static inline hdr body
> | ^~~~
> In file included from include/asterisk/lock.h:51,
> from include/asterisk/utils.h:32,
> from include/asterisk/alertpipe.h:22,
> from include/asterisk/channel.h:126,
> from include/asterisk/pbx.h:26,
> from channel.c:40:
> include/asterisk/threadstorage.h: In function ‘ast_channel_redirecting_sub’:
> /usr/include/pthread.h:1308:12: note: in a call to function ‘pthread_setspecific’ declared with attribute ‘access (none, 2)’
> 1308 | extern int pthread_setspecific (pthread_key_t __key,
> | ^~~~~~~~~~~~~~~~~~~
> {code}Because I do not even unterstand what GCC is [trying to tell|https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#Warning-Options] me, I cannot proceed and just report.
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