GNU bug report logs - #32938
guile 2.2.4 crashes (u8-list->bytevector (make-bytevector 32 0))

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Josh Datko <jbd <at> cryptotronix.com>
Subject: bug#32938: closed (Re: bug#32938: guile 2.2.4 crashes
 (u8-list->bytevector (make-bytevector 32 0)))
Date: Sun, 14 Oct 2018 06:30:02 +0000

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Your bug report

#32938: guile 2.2.4 crashes (u8-list->bytevector (make-bytevector 32 0))

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 32938 <at> debbugs.gnu.org.

-- 
32938: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=32938
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mark H Weaver <mhw <at> netris.org>
To: Josh Datko <jbd <at> cryptotronix.com>
Cc: 32938-done <at> debbugs.gnu.org
Subject: Re: bug#32938: guile 2.2.4 crashes (u8-list->bytevector
 (make-bytevector 32 0))
Date: Sun, 14 Oct 2018 02:29:04 -0400

Josh Datko <jbd <at> cryptotronix.com> writes:
> If you try to convert a bytevector, to a bytevector, using
> u8-list->bytevector, guile crashes.

Fixed in commit fe73fedab40cf716cc39139a61c078e2c9a2f37f on the
stable-2.2 branch.  Thanks for the report!

      Mark

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From: Josh Datko <jbd <at> cryptotronix.com>
To: bug-guile <at> gnu.org
Subject: guile 2.2.4 crashes (u8-list->bytevector (make-bytevector 32 0))
Date: Thu, 4 Oct 2018 16:47:14 -0600

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If you try to convert a bytevector, to a bytevector, using
u8-list->bytevector, guile crashes.

$ guile -q
GNU Guile 2.2.4
Copyright (C) 1995-2017 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (use-modules (rnrs bytevectors))
scheme@(guile-user)> (u8-list->bytevector (make-bytevector 32 0))
[1]    126190 abort (core dumped)  guile -q


$ build-aux/config.guess
x86_64-pc-linux-gnu

This was the release version of guile downloaded from the site.

$ ./config.status --config
<<nothing>>

gdb output:

GNU Guile 2.2.4
Copyright (C) 1995-2017 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (use-modules (rnrs bytevectors))
scheme@(guile-user)> (u8-list->bytevector (make-bytevector 32))

Thread 1 "lt-guile" received signal SIGABRT, Aborted.
0x00007ffff74f6428 in __GI_raise (sig=sig <at> entry=6)
    at ../sysdeps/unix/sysv/linux/raise.c:54
54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) backtrace
#0  0x00007ffff74f6428 in __GI_raise (sig=sig <at> entry=6)
    at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007ffff74f802a in __GI_abort () at abort.c:89
#2  0x00007ffff7ae7f72 in make_bytevector (
    element_type=SCM_ARRAY_ELEMENT_TYPE_VU8, len=18446744073709551615)
    at bytevectors.c:213
#3  scm_u8_list_to_bytevector (lst=0xa70640) at bytevectors.c:751
#4  0x00007ffff7b67961 in vm_debug_engine (thread=0x1f3ef,
    vp=0x706f30, registers=0x6, resume=-145791960) at vm-engine.c:786
#5  0x00007ffff7b71802 in scm_call_n (proc=0x7ffff7fd9030,
    argv=argv <at> entry=0x7fffffffda88, nargs=nargs <at> entry=1) at vm.c:1257
#6  0x00007ffff7af28e7 in scm_primitive_eval (exp=exp <at> entry=0x7befa0)
    at eval.c:662
#7  0x00007ffff7af2943 in scm_eval (exp=0x7befa0,
    module_or_state=module_or_state <at> entry=0x798140) at eval.c:696
#8  0x00007ffff7b3f4f0 in scm_shell (argc=1, argv=0x7fffffffe108)
    at script.c:454
#9  0x00007ffff7b09cfd in invoke_main_func (body_data=0x7fffffffdfa0)
    at init.c:340
#10 0x00007ffff7aeb68a in c_body (d=0x7fffffffdee0)
    at continuations.c:422
#11 0x00007ffff7b6e78b in vm_regular_engine (thread=0x1f3ef,
    vp=0x706f30, registers=0x6, resume=-145791960) at vm-engine.c:786
#12 0x00007ffff7b71802 in scm_call_n (proc=proc <at> entry=0x6fc320,
    argv=argv <at> entry=0x0, nargs=nargs <at> entry=0) at vm.c:1257
#13 0x00007ffff7af1619 in scm_call_0 (proc=proc <at> entry=0x6fc320)
    at eval.c:481
#14 0x00007ffff7b60729 in catch (tag=tag <at> entry=0x404, thunk=0x6fc320,
    handler=0x6fc300, pre_unwind_handler=0x6fc2a0) at throw.c:137
#15 0x00007ffff7b60a95 in scm_catch_with_pre_unwind_handler (
    key=key <at> entry=0x404, thunk=<optimized out>,
    handler=<optimized out>, pre_unwind_handler=<optimized out>)
    at throw.c:254
---Type <return> to continue, or q <return> to quit---
#16 0x00007ffff7b60c4f in scm_c_catch (tag=tag <at> entry=0x404,
    body=body <at> entry=0x7ffff7aeb680 <c_body>,
    body_data=body_data <at> entry=0x7fffffffdee0,
    handler=handler <at> entry=0x7ffff7aeb920 <c_handler>,
    handler_data=handler_data <at> entry=0x7fffffffdee0,
    pre_unwind_handler=pre_unwind_handler <at> entry=0x7ffff7aeb780
<pre_unwind_handler>, pre_unwind_handler_data=0x701b60) at throw.c:377
#17 0x00007ffff7aebc90 in scm_i_with_continuation_barrier (
    body=body <at> entry=0x7ffff7aeb680 <c_body>,
    body_data=body_data <at> entry=0x7fffffffdee0,
    handler=handler <at> entry=0x7ffff7aeb920 <c_handler>,
    handler_data=handler_data <at> entry=0x7fffffffdee0,
    pre_unwind_handler=pre_unwind_handler <at> entry=0x7ffff7aeb780
<pre_unwind_handler>, pre_unwind_handler_data=0x701b60) at
continuations.c:360
#18 0x00007ffff7aebd75 in scm_c_with_continuation_barrier (
    func=<optimized out>, data=<optimized out>) at continuations.c:456
#19 0x00007ffff7b5f1fc in with_guile (base=0x7fffffffdf40,
    data=0x7fffffffdf70) at threads.c:661
#20 0x00007ffff726ac62 in GC_call_with_stack_base ()
   from /usr/lib/x86_64-linux-gnu/libgc.so.1
#21 0x00007ffff7b5f5e8 in scm_i_with_guile (
    dynamic_state=<optimized out>, data=0x7fffffffdf70,
    func=0x7ffff7b09ce0 <invoke_main_func>) at threads.c:704
#22 scm_with_guile (func=func <at> entry=0x7ffff7b09ce0 <invoke_main_func>,
    data=data <at> entry=0x7fffffffdfa0) at threads.c:710
#23 0x00007ffff7b09ec2 in scm_boot_guile (argc=argc <at> entry=1,
    argv=argv <at> entry=0x7fffffffe108,
    main_func=main_func <at> entry=0x400b00 <inner_main>,
    closure=closure <at> entry=0x0) at init.c:323
#24 0x000000000040098c in main (argc=1, argv=0x7fffffffe108)
    at guile.c:101
(gdb)

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