[asterisk-bugs] [JIRA] (ASTERISK-26533) [UBSAN] stdtime/localtime.c: runtime error: left shift of negative value -1

[Badalian Vyacheslav (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=236674#comment-236674 ] 

Badalian Vyacheslav edited comment on ASTERISK-26533 at 4/24/17 8:13 PM:
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Here is fixed version of code. Please backport...
https://github.com/eggert/tz/blob/master/localtime.c

also look like individual bug fix:
https://gcc.gnu.org/ml/gcc-patches/2015-05/msg00764.html


was (Author: slavon):
Here is fixed version of code. Please backport...
https://github.com/eggert/tz/blob/master/localtime.c

> [UBSAN] stdtime/localtime.c: runtime error: left shift of negative value -1
> ---------------------------------------------------------------------------
>
>                 Key: ASTERISK-26533
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26533
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/General
>    Affects Versions: 13.12.1, 13.15.0, 14.1.1, GIT
>            Reporter: Badalian Vyacheslav
>
> {code}
> stdtime/localtime.c:831:20: runtime error: left shift of negative value -1
>     #0 0x90ba61 in detzcode stdtime/localtime.c:831
>     #1 0x90cb0a in tzload stdtime/localtime.c:946
>     #2 0x911d9b in tzparse stdtime/localtime.c:1427
>     #3 0x90e541 in tzload stdtime/localtime.c:1066
>     #4 0x91497f in ast_tzset stdtime/localtime.c:1665
>     #5 0x91614e in ast_localtime stdtime/localtime.c:1777
>     #6 0x775ccb in ast_log_full /usr/src/asterisk/main/logger.c:1884
>     #7 0x777bfd in ast_log_callid /usr/src/asterisk/main/logger.c:1967
>     #8 0x7784ea in __ast_verbose_ap /usr/src/asterisk/main/logger.c:2048
>     #9 0x7786ab in __ast_verbose /usr/src/asterisk/main/logger.c:2059
>     #10 0x4bb9f5 in print_intro_message /usr/src/asterisk/main/asterisk.c:3966
>     #11 0x4bece4 in asterisk_daemon /usr/src/asterisk/main/asterisk.c:4481
>     #12 0x4be642 in main /usr/src/asterisk/main/asterisk.c:4373
>     #13 0x7f205057eb44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b44)
>     #14 0x433918  (/usr/sbin/asterisk+0x433918)
> {code}
> {code}
> root at 0bfa9456f68a:/usr/src/asterisk# git log
> commit 6b1c55dc9be90904363dbcf958a9fcc243c85629
> Author: George Joseph <gjoseph at digium.com>
> Date:   Fri Oct 28 15:59:19 2016 -0600
>     pjproject_bundled:  Fix issue where "/version.mak" wasn't found
> root at 0bfa9456f68a:/usr/src/asterisk# git branch
> * 13
> {code}
> on module load...



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