PR/55552 CVS commit: src/sys/fs/union

["Juergen Hannken-Illjes" <hannken%netbsd.org@localhost>]

The following reply was made to PR kern/55552; it has been noted by GNATS.

From: "Juergen Hannken-Illjes" <hannken%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/55552 CVS commit: src/sys/fs/union
Date: Tue, 18 Aug 2020 09:44:07 +0000

 Module Name:	src
 Committed By:	hannken
 Date:		Tue Aug 18 09:44:07 UTC 2020
 
 Modified Files:
 	src/sys/fs/union: union.h union_subr.c union_vnops.c
 
 Log Message:
 Operation union_readdirhook() stores the lower directory as un_uppervp.
 This breaks the assumption that un_uppervp->v_mount is the upper mount.
 
 Fix by storing the directory as un_lowervp and adapt union_readdir().
 
 Should fix PR kern/55552: panic with union mount
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.29 -r1.30 src/sys/fs/union/union.h
 cvs rdiff -u -r1.78 -r1.79 src/sys/fs/union/union_subr.c
 cvs rdiff -u -r1.73 -r1.74 src/sys/fs/union/union_vnops.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.