2.6.0, BUG() in JFS

[Ian Soboroff]

I got this oops this morning.  This machine is running 2.6.0... is
this something that's been fixed already?

...
ERROR: (device sdb1): stack overrun in dtSearch!
ERROR: (device sdb1): stack overrun in dtSearch!
BUG at fs/jfs/jfs_dtree.c:3326 assert((btstack)->top != &((btstack)->stack[MAXTREEHEIGHT]))
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dtree.c:3326!
invalid operand: 0000 [#1]
CPU:    1
EIP:    0060:[<f8cbd29d>]    Not tainted
EFLAGS: 00010282
EIP is at dtReadFirst+0x183/0x20e [jfs]
eax: 0000005f   ebx: ef4e7000   ecx: 00000097   edx: c03bbd1c
esi: f2dae19c   edi: 0d0000bc   ebp: 00000000   esp: d25d5e20
ds: 007b   es: 007b   ss: 0068
Process updatedb (pid: 1669, threadinfo=d25d4000 task=f2886080)
Stack: f8cc9980 f8cc999c 00000cfe f8cc90e0 00000000 db8149a4 f4774564 00000000
       f2dae084 00001000 f8cbcebe f2dae2a0 d25d5ed4 00000002 00000001 00000000
       0002707c 00000004 00100000 00100000 f2dae084 d25d5ea0 00000000 00000001
Call Trace:
 [<f8cbcebe>] jfs_readdir+0x934/0xb90 [jfs]
 [<c0247d47>] inode_has_perm+0x65/0x98
 [<c0170c02>] vfs_readdir+0xae/0xb0
 [<c0170f32>] filldir64+0x0/0x148
 [<c01710f5>] sys_getdents64+0x7b/0xc1
 [<c0170f32>] filldir64+0x0/0x148
 [<c010abeb>] syscall_call+0x7/0xb

Code: 0f 0b fe 0c 9c 99 cc f8 e9 58 ff ff ff 8b 54 24 30 8b 02 89

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