GNU bug report logs - #58154
fluid-ref* with negative index segfaults

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: lloda <lloda <at> sarc.name>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#58154: closed (fluid-ref* with negative index segfaults)
Date: Fri, 30 Sep 2022 14:41:02 +0000

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Your message dated Fri, 30 Sep 2022 16:39:53 +0200
with message-id <B7702BB4-665C-4300-B796-551435843CB2 <at> sarc.name>
and subject line Re: bug#58154: fluid-ref* with negative index segfaults
has caused the debbugs.gnu.org bug report #58154,
regarding fluid-ref* with negative index segfaults
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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58154: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=58154
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From: Maxime Devos <maximedevos <at> telenet.be>
To: bug-guile <at> gnu.org
Subject: fluid-ref* with negative index segfaults
Date: Thu, 29 Sep 2022 00:33:24 +0200

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antipode <at> antipode ~$ guile -c '(fluid-ref* (make-fluid) -1)'
Backtrace:
In ice-9/boot-9.scm:
  1752:10  6 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
           5 (apply-smob/0 #<thunk 7fdfaaa642e0>)
In ice-9/boot-9.scm:
    724:2  4 (call-with-prompt ("prompt") #<procedure 7fdfaaa76cc0 …> …)
In ice-9/eval.scm:
    619:8  3 (_ #(#(#<directory (guile-user) 7fdfaaa69c80>)))
In ice-9/command-line.scm:
   185:19  2 (_ #<input: string 7fdfaaa63850>)
In unknown file:
           1 (eval (fluid-ref* (make-fluid) -1) #<directory (guile-u…>)
           0 (fluid-ref* #<fluid 7fdfaaa77e20> -1)

ERROR: In procedure fluid-ref*:
Value out of range Segmentatiefout

While the negative index was bogus, I don't think segfaulting is the 
answer, a 'Value out of range' exceptio nwould have sufficed.

Greetings,
Maxime.

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From: lloda <lloda <at> sarc.name>
To: Maxime Devos <maximedevos <at> telenet.be>
Cc: 58154-done <at> debbugs.gnu.org
Subject: Re: bug#58154: fluid-ref* with negative index segfaults
Date: Fri, 30 Sep 2022 16:39:53 +0200

Fixed in c0004442b7691f59a0e37869ef288eb26382ad9e. Thank you!

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