[Bug 3905] Deadlock when channel window adjust is stuck behind sftp read requests

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Tue Dec 16 23:32:11 AEDT 2025


https://bugzilla.mindrot.org/show_bug.cgi?id=3905

Matt Johnston <matt at ucc.asn.au> changed:

           What    |Removed                     |Added
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                 CC|                            |matt at ucc.asn.au

--- Comment #1 from Matt Johnston <matt at ucc.asn.au> ---
Created attachment 3925
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3925&action=edit
Increased CHAN_SES_WINDOW_DEFAULT

Increased CHAN_SES_WINDOW_DEFAULT fixes it for my test case. Actually
just (64+2) is adequate here, but 64+4 seems like it should cover any
situation.

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