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bug#15100: Division by zero in bytevector->uint-list
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From: |
Mark H Weaver |
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Subject: |
bug#15100: Division by zero in bytevector->uint-list |
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Date: |
Fri, 16 Aug 2013 23:19:15 -0400 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Göran Weinholt <address@hidden> writes:
> the bytevector->uint-list procedure from (rnrs) can crash Guile through
> a division by zero:
>
> scheme@(guile-user)> (import (rnrs))
> scheme@(guile-user)> (bytevector->uint-list #vu8(0) 'x 0)
> Floating point exception
>
> The same happens with bytevector->sint-list.
Fixed in 088cfb7d761b01a2620d78f10e8dbcaa07485a32.
> These procedures also do not check that the length of the bytevector
> is divisible by the size.
I don't think we can fix this in stable-2.0, because some existing code
might depend on our current permissive behavior. However, I fixed it on
the master branch in c099201da1de71652b9791fb0a3a863b6d3c355d.
Thanks!
Mark