Kernel BUG when using corrupted ext3 fs

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I had to hard shutdown a fc6 machine due to vmware and nvidia doing
ridiculous things to my screen resolution and locking up.  ugh.
Anyway, upon reboot it recovers the journal and mounts / rw fine.
Then rc.sysinit tries to delete various things from /tmp (.ICE-unix,
.font stuff, etc), kernel shows a BUG, and boot stops.  Booting from a
fc7 live cd and trying to mount /dev/sda2 rw and delete /tmp/* also
causes a BUG.  This dump is from fc7:


eth0: no IPv6 routers present
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
SELinux: initialized (dev sda2, type ext3), uses xattr
inode_doinit_with_dentry:  getxattr returned 5 for dev=sda2 ino=13271075
EXT3-fs warning (device sda2): ext3_unlink: Deleting nonexistent file
(13271075), 0
list_add corruption. next->prev should be prev (e8a1412c), but was
e8b4ba78. (next=e8b4ba78).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:27!
invalid opcode: 0000 [#1]
SMP
last sysfs file: /devices/pci0000:00/0000:00:01.0/0000:01:00.0/enable
Modules linked in: ipv6 dm_mirror dm_multipath video sbs i2c_ec button
dock battery ac lp iTCO_wdt tg3 iTCO_vendor_support i2c_i801 i2c_core
parport_pc serio_raw parport sg pcspkr ext3 jbd mbcache squashfs
dm_snapshot dm_mod loop sd_mod ata_piix ehci_hcd ahci ata_generic
libata uhci_hcd sr_mod scsi_mod cdrom
CPU:    0
EIP:    0060:[<c04e85bf>]    Not tainted VLI
EFLAGS: 00210282   (2.6.21-1.3194.fc7 #1)
EIP is at __list_add+0x26/0x5c
eax: 00000061   ebx: e8b4ba78   ecx: 00200086   edx: 00200000
esi: e8b4ba9c   edi: c1964000   ebp: e89bf48c   esp: e8a80eb8
ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
Process rm (pid: 2511, ti=e8a80000 task=dfb4c710 task.ti=e8a80000)
Stack: c069e0d0 e8a1412c e8b4ba78 e8b4ba78 00000000 e8b4ba9c f8a5d704 e89bf48c
      e8997710 e8b4b634 e8b4b6cc e89bf48c e8b4ba04 e8b4ba78 e8997710 00000b00
      00000195 e8b4ba9c 00000000 e8b4b6cc e89bf48c f8a5e593 e8a03400 00000000
Call Trace:
[<f8a5d704>] ext3_orphan_add+0x123/0x153 [ext3]
[<f8a5e593>] ext3_unlink+0x13a/0x188 [ext3]
[<c047c6ed>] vfs_unlink+0x9f/0xd5
[<c047e0ad>] do_unlinkat+0x8b/0x119
[<c047fd52>] sys_getdents64+0x9b/0xa5
[<c0404f70>] syscall_call+0x7/0xb
=======================
Code: 83 c4 0c 5b c3 56 53 89 c3 83 ec 10 8b 41 04 39 d0 74 1c 89 4c
24 0c 89 54 24 04 89 44 24 08 c7 04 24 d0 e0 69 c0 e8 8b f1 f3 ff <0f>
0b eb fe 8b 32 39 ce 74 1c 89 54 24 0c 89 74 24 08 89 4c 24
EIP: [<c04e85bf>] __list_add+0x26/0x5c SS:ESP 0068:e8a80eb8
BUG: warning at kernel/exit.c:798/do_exit() (Not tainted)
[<c04294f3>] do_exit+0x54/0x6d3
[<c040655c>] die+0x21b/0x240
[<c0406967>] do_invalid_op+0x0/0xab
[<c0406a09>] do_invalid_op+0xa2/0xab
[<c04e85bf>] __list_add+0x26/0x5c
[<c0427711>] vprintk+0x290/0x2c9
[<c049085b>] __getblk+0x3b/0x286
[<f8a20b1c>] do_get_write_access+0x444/0x471 [jbd]
[<c060190c>] error_code+0x7c/0x84
[<c04e85bf>] __list_add+0x26/0x5c
[<f8a5d704>] ext3_orphan_add+0x123/0x153 [ext3]
[<f8a5e593>] ext3_unlink+0x13a/0x188 [ext3]
[<c047c6ed>] vfs_unlink+0x9f/0xd5
[<c047e0ad>] do_unlinkat+0x8b/0x119
[<c047fd52>] sys_getdents64+0x9b/0xa5
[<c0404f70>] syscall_call+0x7/0xb
=======================


I did an fsck -f from the fc7 live cd and now it boots.
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