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bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs

From: Gerd Möllmann
Subject: bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs
Date: Fri, 7 Oct 2022 13:38:09 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 
On 22-10-07 13:19 , Po Lu wrote:

Gerd Möllmann <gerd.moellmann@gmail.com> writes:


So, do you agree that block_input wouldn't solve the problem?  Or does
it?


It should, because it prevents the read_socket_hook from being called.
However, you must keep in mind that anything that can call unblock_input
can also run redisplay, as unblock_input reads pending async input if
the input is completely unblocked.


Thanks.
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