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CVS: cvs.openbsd.org: src
From: Tom Cosgrove (tomcvs.openbsd.org)
Date: Thu Dec 14 2006 - 01:37:24 CST
Module name: src
Changes by: tomcvs.openbsd.org 2006/12/14 00:37:24
sys/msdosfs : msdosfs_vfsops.c
If an MS-DOS filesystem claims to have more clusters than can be
represented in the FAT, limit the number of clusters we work with
to the FAT value. This stops corrupt filesystems causing us to run
off the end of the FAT and panic()ing in fillinusemap().
Found by Jason Crawford (jasonrcrawford at gmail.com) with the MOKB
fs fuzzer. Initial debugging by thib.