GNU bug report logs - #60488
string-ref segfaults with n < 0 on Guile 3.0.8

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Package: guile;

Reported by: festerdam <at> posteo.net

Date: Mon, 2 Jan 2023 08:54:02 UTC

Severity: normal

Done: Jean Abou Samra <jean <at> abou-samra.fr>

Bug is archived. No further changes may be made.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: festerdam <at> posteo.net
Subject: bug#60488: closed (Re: bug#60488: string-ref segfaults with n < 0
 on Guile 3.0.8)
Date: Mon, 02 Jan 2023 09:02:02 +0000

[Message part 1 (text/plain, inline)]
Your bug report

#60488: string-ref segfaults with n < 0 on Guile 3.0.8

which was filed against the guile package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 60488 <at> debbugs.gnu.org.

-- 
60488: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60488
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]
From: Jean Abou Samra <jean <at> abou-samra.fr>
To: festerdam <at> posteo.net
Cc: 60488-close <at> debbugs.gnu.org
Subject: Re: bug#60488: string-ref segfaults with n < 0 on Guile 3.0.8
Date: Mon, 2 Jan 2023 10:01:26 +0100


> Le 2 janv. 2023 à 09:54, festerdam <at> posteo.net a écrit :
> 
> On 02.01.2023 05:12, festerdam <at> posteo.net wrote:
>> The following code results in a segmentation fault on Guile
>> 3.0.8-deb+3.0.8-2 (obtained from the Debian repositories):
>>    (string-ref "my string" -3)
>> gdb's backtrace is the following:
>> #0  0x00007ffff7f1bcc5 in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #1  0x00007ffff7f26c49 in scm_call_n ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #2  0x00007ffff7e97b29 in scm_apply_0 ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #3  0x00007ffff7f15966 in scm_throw ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #4  0x00007ffff7f174e9 in scm_ithrow ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #5  0x00007ffff7e94735 in scm_error_scm ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #6  0x00007ffff7e94790 in scm_error ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #7  0x00007ffff7ee19e7 in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #8  0x00007ffff7ee208b in scm_to_uint64 ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #9  0x00007ffff7f1c5e4 in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #10 0x00007ffff7f26c49 in scm_call_n ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #11 0x00007ffff7e93a97 in scm_primitive_eval ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #12 0x00007ffff7e99a86 in scm_eval ()
>>   from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #13 0x00007ffff7ef91c6 in scm_shell () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #14 0x00007ffff7ea865c in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #15 0x00007ffff7e91f6a in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #16 0x00007ffff7f194e8 in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #17 0x00007ffff7f26c49 in scm_call_n () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #18 0x00007ffff7e936ea in scm_call_2 () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #19 0x00007ffff7f42292 in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #20 0x00007ffff7f0ff4f in scm_c_catch () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #21 0x00007ffff7e942e6 in scm_c_with_continuation_barrier () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #22 0x00007ffff7f14b89 in ?? () from /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #23 0x00007ffff7c190e7 in GC_call_with_stack_base () from
>> /lib/x86_64-linux-gnu/libgc.so.1
>> #24 0x00007ffff7f0fe68 in scm_with_guile () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #25 0x00007ffff7eb1185 in scm_boot_guile () from
>> /lib/x86_64-linux-gnu/libguile-3.0.so.1
>> #26 0x000055555555510f in ?? ()
>> #27 0x00007ffff7c9918a in __libc_start_call_main
>> (main=main <at> entry=0x5555555550b0, argc=argc <at> entry=1,
>> argv=argv <at> entry=0x7fffffffe0b8) at
>> ../sysdeps/nptl/libc_start_call_main.h:58
>> #28 0x00007ffff7c99245 in __libc_start_main_impl (main=0x5555555550b0,
>> argc=1, argv=0x7fffffffe0b8, init=<optimized out>, fini=<optimized
>> out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe0a8) at
>> ../csu/libc-start.c:381
>> #29 0x00005555555551aa in ?? ()
> 
> Sorry, didn't see #59874. This bug report is a duplicate of that bug. Therefore this should be closed.
> 
> 
> 



[Message part 3 (message/rfc822, inline)]
From: festerdam <at> posteo.net
To: bug-guile <at> gnu.org
Subject: Re: string-ref segfaults with n < 0 on Guile 3.0.8
Date: Mon, 02 Jan 2023 04:24:22 +0000

On 02.01.2023 05:12, festerdam <at> posteo.net wrote:
> The following code results in a segmentation fault on Guile
> 3.0.8-deb+3.0.8-2 (obtained from the Debian repositories):
>     (string-ref "my string" -3)
> 
> gdb's backtrace is the following:
> 
> #0  0x00007ffff7f1bcc5 in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #1  0x00007ffff7f26c49 in scm_call_n ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #2  0x00007ffff7e97b29 in scm_apply_0 ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #3  0x00007ffff7f15966 in scm_throw ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #4  0x00007ffff7f174e9 in scm_ithrow ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #5  0x00007ffff7e94735 in scm_error_scm ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #6  0x00007ffff7e94790 in scm_error ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #7  0x00007ffff7ee19e7 in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #8  0x00007ffff7ee208b in scm_to_uint64 ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #9  0x00007ffff7f1c5e4 in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #10 0x00007ffff7f26c49 in scm_call_n ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #11 0x00007ffff7e93a97 in scm_primitive_eval ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #12 0x00007ffff7e99a86 in scm_eval ()
>    from /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #13 0x00007ffff7ef91c6 in scm_shell () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #14 0x00007ffff7ea865c in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #15 0x00007ffff7e91f6a in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #16 0x00007ffff7f194e8 in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #17 0x00007ffff7f26c49 in scm_call_n () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #18 0x00007ffff7e936ea in scm_call_2 () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #19 0x00007ffff7f42292 in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #20 0x00007ffff7f0ff4f in scm_c_catch () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #21 0x00007ffff7e942e6 in scm_c_with_continuation_barrier () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #22 0x00007ffff7f14b89 in ?? () from 
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #23 0x00007ffff7c190e7 in GC_call_with_stack_base () from
> /lib/x86_64-linux-gnu/libgc.so.1
> #24 0x00007ffff7f0fe68 in scm_with_guile () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #25 0x00007ffff7eb1185 in scm_boot_guile () from
> /lib/x86_64-linux-gnu/libguile-3.0.so.1
> #26 0x000055555555510f in ?? ()
> #27 0x00007ffff7c9918a in __libc_start_call_main
> (main=main <at> entry=0x5555555550b0, argc=argc <at> entry=1,
> argv=argv <at> entry=0x7fffffffe0b8) at
> ../sysdeps/nptl/libc_start_call_main.h:58
> #28 0x00007ffff7c99245 in __libc_start_main_impl (main=0x5555555550b0,
> argc=1, argv=0x7fffffffe0b8, init=<optimized out>, fini=<optimized
> out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe0a8) at
> ../csu/libc-start.c:381
> #29 0x00005555555551aa in ?? ()

Sorry, didn't see #59874. This bug report is a duplicate of that bug. 
Therefore this should be closed.
This bug report was last modified 2 years and 139 days ago.

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