On Tue, Nov 17, 2009 at 06:35:43PM -0800, Sukadev Bhattiprolu wrote: > > devpts_get_tty() assumes that the inode passed in is associated with a valid > pty. But if the only reference to the pty is via a bind-mount, the inode > passed to devpts_get_tty() while valid, would refer to a pty that no longer > exists. > > With a lot of debug effort, Grzegorz Nosek developed a small program (see > below) to reproduce a crash on recent kernels. This crash is a regression > introduced by the commit: > > commit 527b3e4773628b30d03323a2cb5fb0d84441990f > Author: Sukadev Bhattiprolu <sukadev@xxxxxxxxxx> > Date: Mon Oct 13 10:43:08 2008 +0100 > > To fix, ensure that the dentry associated with the inode has not yet been > deleted/unhashed by devpts_pty_kill(). > > See also: > https://lists.linux-foundation.org/pipermail/containers/2009-July/019273.html Good debugging, I'll queue this up. greg k-h _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
