Re: kern/46282: 6.0_BETA crash: msdosfs_bmap -> pcbmap -> bread -> bio_doread

["J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>]

The following reply was made to PR kern/46282; it has been noted by GNATS.

From: "J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/46282: 6.0_BETA crash: msdosfs_bmap -> pcbmap -> bread -> 
bio_doread
Date: Fri, 30 Mar 2012 16:15:14 +0200

 It is the pagedaemon that runs this VOP_PUTPAGES() and msdosfs_bmap/pcbmap
 doesn't handle this case where getblk() returns NULL and bread() will panic.
 
 How did you get this panic (dmesg, mount -v, file system sizes, commands)?
 --
 Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig 
(Germany)