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bug#60488: string-ref segfaults with n < 0 on Guile 3.0.8
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From: |
Jean Abou Samra |
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Subject: |
bug#60488: string-ref segfaults with n < 0 on Guile 3.0.8 |
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Date: |
Mon, 2 Jan 2023 10:01:26 +0100 |
> Le 2 janv. 2023 à 09:54, festerdam@posteo.net a écrit :
>
> On 02.01.2023 05:12, festerdam@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@entry=0x5555555550b0, argc=argc@entry=1,
>> argv=argv@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.
>
>
>