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Subject: |
Segfault in (spawn) when passed wrong port |
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Date: |
Mon, 11 Mar 2024 12:10:31 +0100 |
Greetings,
When I pass #f to spawn as a port, it just segfaults:
$ guile -c '(spawn "true" (list "") #:error #f)'
Segmentation fault
Ignoring the fact whether #f should be an accepted value (I think it would be
more elegant and portable then (open-output-file "/dev/null")), I would not
expect invalid value in an interpreted language to cause a segfault. If the
value is indeed invalid, it should throw an error.
Original report: https://emacs.ch/@kakafarm/112075808549752692
Have a nice day,
Tomas Volf
--
There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.
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--- Begin Message ---
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Subject: |
Re: bug#69730: Segfault in (spawn) when passed wrong port |
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Date: |
Mon, 06 May 2024 11:27:36 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) |
Hi,
Tomas Volf <~@wolfsden.cz> skribis:
> When I pass #f to spawn as a port, it just segfaults:
>
> $ guile -c '(spawn "true" (list "") #:error #f)'
> Segmentation fault
This was fixed a while back in the ‘main’ branch:
--8<---------------cut here---------------start------------->8---
$ guile -c '(spawn "true" (list "") #:error #f)'
Backtrace:
In ice-9/boot-9.scm:
1755:12 6 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
5 (apply-smob/0 #<thunk 7f6a52ad4300>)
In ice-9/boot-9.scm:
724:2 4 (call-with-prompt ("prompt") #<procedure 7f6a52ae10c0 …> …)
In ice-9/eval.scm:
619:8 3 (_ #(#(#<directory (guile-user) 7f6a52ad7c80>)))
In ice-9/command-line.scm:
185:19 2 (_ #<input: custom-port 7f6a52ad1850>)
In unknown file:
1 (eval (spawn "true" (list "") #:error #f) #<directory (…>)
0 (spawn "true" ("") #:error #f)
ERROR: In procedure spawn:
In procedure spawn: Wrong type argument in position 5 (expecting open file
port): #f
$ guix describe
Generation 301 May 05 2024 23:32:10 (current)
shepherd 08dfcde
repository URL: https://git.savannah.gnu.org/git/shepherd.git
branch: devel
commit: 08dfcde725e3b26f1e542a520c97a16aa9482802
guile 3b76a30
repository URL: https://git.savannah.gnu.org/git/guile.git
branch: main
commit: 3b76a30e3ca1f0b7ee7944836c2fc5660596b3bd
guix d6c95d4
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: d6c95d4208a0cbc3ab742732865f9481c637660f
--8<---------------cut here---------------end--------------->8---
We ought to cut a release!
See <https://bugs.gnu.org/61073> and
5b42f8c154906584455a4989038406c88b723cb0.
Thanks,
Ludo’.
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