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[Bug 3071] New: unhandled EINTR while connecting causes ssh to exit prematurely
https://bugzilla.mindrot.org/show_bug.cgi?id=3071

Bug ID: 3071
Summary: unhandled EINTR while connecting causes ssh to exit
prematurely
Product: Portable OpenSSH
Version: 8.0p1
Hardware: amd64
OS: Linux
Status: NEW
Severity: trivial
Priority: P5
Component: ssh
Assignee: unassigned-bugs@mindrot.org
Reporter: mavery@akamai.com

Created attachment 3329
--> https://bugzilla.mindrot.org/attachment.cgi?id=3329&action=edit
misc.c path

We've observed some machines always returning one EINTR during a
connection where a ConectTimeout is specified on the command line. ssh
exits prematurely as the errno == EINTR is processed as hard error
instead of being filtered out and retried in the select loop.

It looks to be correlated to migrating to Ubuntu 18.04.4 but the change
is trivial enough I didn't dig much further into why it's happening.

patch (attached) is trivial.

web diff of the patch:

https://github.com/matthewaveryusa/openssh-portable/commit/127093f0a177bc4f5316453f777582f113fe18d9#diff-d93946eccdb07e73380c55caff5625f9

-Matt

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