Mailing List Archive

[Bug 3286] sshd dumps core after authentication timeout
https://bugzilla.mindrot.org/show_bug.cgi?id=3286

Damien Miller <djm@mindrot.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned-bugs@mindrot.org |djm@mindrot.org
Status|NEW |ASSIGNED
CC| |dtucker@dtucker.net
Attachment #3504| |ok?(dtucker@dtucker.net)
Flags| |

--- Comment #9 from Damien Miller <djm@mindrot.org> ---
Created attachment 3504
--> https://bugzilla.mindrot.org/attachment.cgi?id=3504&action=edit
avoid sigdie() in privsep child

This patch should avoid the problem, but I still don't understand why
this condition did not exist previously. Darren, is there any chance
the ssh_signal change could have triggered this?

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[Bug 3286] sshd dumps core after authentication timeout [ In reply to ]
https://bugzilla.mindrot.org/show_bug.cgi?id=3286

Darren Tucker <dtucker@dtucker.net> changed:

What |Removed |Added
----------------------------------------------------------------------------
Attachment #3504|ok?(dtucker@dtucker.net) |ok+
Flags| |

--- Comment #10 from Darren Tucker <dtucker@dtucker.net> ---
Comment on attachment 3504
--> https://bugzilla.mindrot.org/attachment.cgi?id=3504
avoid sigdie() in privsep child

I could imagine it happening if signal(SIGALRM..) was reset during fork
but not for sigaction but I don't known that this is the case. The man
page for alarm(1) only says:

Alarms created by alarm() are preserved across execve(2) and
are not
inherited by children created via fork(2).

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[Bug 3286] sshd dumps core after authentication timeout [ In reply to ]
https://bugzilla.mindrot.org/show_bug.cgi?id=3286

Damien Miller <djm@mindrot.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
Blocks| |3302

--- Comment #11 from Damien Miller <djm@mindrot.org> ---
committed as 8c396f42c19 and will be in the OpenSSH 8.7 release


Referenced Bugs:

https://bugzilla.mindrot.org/show_bug.cgi?id=3302
[Bug 3302] Tracking bug for openssh-8.7
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