lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 7 Jun 2013 20:22:28 +0200 From: Mikael Pettersson <mikpe@...uu.se> To: Peter Hurley <peter@...leysoftware.com> Cc: Markus Trippelsdorf <markus@...ppelsdorf.de>, linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jslaby@...e.cz>, Mikael Pettersson <mikpe@...uu.se>, David Howells <dhowells@...hat.com> Subject: Re: Strange intermittent EIO error when writing to stdout since v3.8.0 Peter Hurley writes: > Based on the other reports from Mikael and David, I suspect this problem > may have to do with my commit 699390354da6c258b65bf8fa79cfd5feaede50b6: > > pty: Ignore slave pty close() if never successfully opened > > This commit poisons the pty under certain error conditions that may > occur from parallel open()s (or parallel close() with pending write()). > > It's unclear to me which error condition is triggered and how user-space > got an open file descriptor but that seems the most likely. Is the problem > reproducible enough that a debug patch would likely trigger? In my case the problem occurred frequently enough that I've been forced to change my build procedures to avoid it. I'd welcome a debug patch. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists