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linux/fs/ext3
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Andries E. Brouwer b47b6f38e5 ext3, ext4: avoid divide by zero 
As it turns out, the kernel divides by EXT3_INODES_PER_GROUP(s) when
mounting an ext3 filesystem.  If that number is zero, a crash follows.
Below a patch.

This crash was reported by Joeri de Ruiter, Carst Tankink and Pim Vullers.

Cc: <linux-ext4@vger.kernel.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-12-17 19:28:16 -08:00
..
acl.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
acl.h
balloc.c Revert "ext2/ext3/ext4: add block bitmap validation" 2007-11-13 08:09:11 -08:00
bitmap.c fs: mark nibblemap const 2007-10-17 08:42:47 -07:00
dir.c Fix 64KB blocksize in ext3 directories 2007-11-14 18:45:43 -08:00
ext3_jbd.c
file.c sendfile: remove .sendfile from filesystems that use generic_file_sendfile() 2007-07-10 08:04:13 +02:00
fsync.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
hash.c [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
ialloc.c remove unused bh in calls to ext234_get_group_desc 2007-10-17 08:42:49 -07:00
inode.c JBD: Fix JBD warnings when compiling with CONFIG_JBD_DEBUG 2007-10-19 11:53:35 -07:00
ioctl.c Forbid user to change file flags on quota files 2007-11-14 18:45:38 -08:00
Makefile
namei.c Fix 64KB blocksize in ext3 directories 2007-11-14 18:45:43 -08:00
namei.h
resize.c ext3: fix setup_new_group_blocks locking 2007-10-18 14:37:29 -07:00
super.c ext3, ext4: avoid divide by zero 2007-12-17 19:28:16 -08:00
symlink.c [PATCH] mark struct inode_operations const 1 2007-02-12 09:48:46 -08:00
xattr_security.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr_trusted.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr_user.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr.c JBD/ext3 cleanups: convert to kzalloc 2007-10-19 11:53:34 -07:00
xattr.h