[New-bugs-announce] [issue39510] use-after-free in BufferedReader.readinto()

[Philipp Gesang]

New submission from Philipp Gesang <philipp.gesang at intra2net.com>:

reader = open ("/dev/zero", "rb")
    _void  = reader.read (42)
    reader.close ()
    reader.readinto (bytearray (42)) ### BANG!

Bisected to commit dc469454ec. PR on Github to follow.

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messages: 361119
nosy: phg
priority: normal
severity: normal
status: open
title: use-after-free in BufferedReader.readinto()

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39510>
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