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Re: kern/50664: "cd .." over NFS/ZFS can panic kernel



The following reply was made to PR kern/50664; it has been noted by GNATS.

From: "J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>
To: Brian Marcotte <marcotte%panix.com@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: kern/50664: "cd .." over NFS/ZFS can panic kernel
Date: Sun, 17 Jan 2016 21:59:57 +0100

 Looks reasonable, I suppose =E2=80=9Cnfs_lookup+0x6ae=E2=80=9D is in =
 nfs_lookup:
 
         if (cnp->cn_nameiop !=3D DELETE || !(flags & ISLASTCN)) {
                 nfs_cache_enter(dvp, newvp, cnp);
         }
 
 On the NFS server, what do you get from these commands on the exported =
 directory:
 
 ls -ldi /xxxx/.
 ls -ldi /xxxx/.zfs/.
 ls -ldi /xxxx/.zfs/..
 ls -ldi /xxxx/.zfs/shares/.
 ls -ldi /xxxx/.zfs/shares/..
 
 --
 J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig (Germany)
 



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