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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Report forwarded to bug-guile <at> gnu.org:
bug#60488; Package guile. (Mon, 02 Jan 2023 08:54:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to festerdam <at> posteo.net:
New bug report received and forwarded. Copy sent to bug-guile <at> gnu.org. (Mon, 02 Jan 2023 08:54:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

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.
Reply sent to Jean Abou Samra <jean <at> abou-samra.fr>:
You have taken responsibility. (Mon, 02 Jan 2023 09:02:02 GMT) Full text and rfc822 format available.
Notification sent to festerdam <at> posteo.net:
bug acknowledged by developer. (Mon, 02 Jan 2023 09:02:02 GMT) Full text and rfc822 format available.

Message #10 received at 60488-close <at> debbugs.gnu.org (full text, mbox):

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.
> 
> 
>
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Mon, 30 Jan 2023 12:24:07 GMT) Full text and rfc822 format available.
This bug report was last modified 1 year and 87 days ago.

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