linux-kernel - Re: umount -l <path>, getcwd and /proc/<pid>/cwd inconsistent

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <jemyrhaplw.fsf@sykes.suse.de>
Date:	Mon, 07 Jan 2008 11:37:15 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	Ian Kent <raven@...maw.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: umount -l <path>, getcwd and /proc/<pid>/cwd inconsistent

Ian Kent <raven@...maw.net> writes:

> Basically, from a bash shell, setting working directory to a mounted
> directory all is fine with "pwd" and "/proc/<pid>/cwd". Following a
> "umount - l" on the mount "pwd" continues to return the expected string
> but "/proc/<pid>/cwd" returns an empty string.

Builtin pwd just prints $PWD.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
--
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/