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bug#17466: unexpected bytevector contents with get-bytevector-n


From: Ludovic Courtès
Subject: bug#17466: unexpected bytevector contents with get-bytevector-n
Date: Wed, 28 May 2014 19:32:22 +0200
User-agent: Gnus/5.130009 (Ma Gnus v0.9) Emacs/24.3 (gnu/linux)

This is fixed by commit 1baa215, which will be in Guile 2.0.12.

It turns out that when shrinking a bytevector, as happens before
‘get-bytevector-n’ returns, the pointer to the bytevector’s contents
would not be left pointing to the old bytevector.  When that old
bytevector was eventually reclaimed, anything could happen.

Thanks!

Ludo’.





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