System crashed with RIP __journal_remove_journal_head, NULL pointer dereference at 0000000000000008

Issue

• System crashed with in __journal_remove_journal_head with NULL pointer dereference at 0000000000000008
• RHEL6 system panic with the following message:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
RIP: [<ffffffffa01c171d>] __journal_remove_journal_head+0x1d/0x130 [jbd2]
...
Pid: 55727, comm: java Tainted: G           ---------------- T 2.6.32-131.12.1.el6.x86_64 #1 ProLiant DL580 G7
RIP: 0010:[<ffffffffa01c171d>]  [<ffffffffa01c171d>] __journal_remove_journal_head+0x1d/0x130 [jbd2]

• RHEL5 system panic with the following message

Unable to handle kernel NULL pointer dereference at 0000000000000008
RIP: [<ffffffff88036500>] :jbd:__journal_remove_journal_head+0xa/0x1a3
...
Pid: 18009, comm: someprocess Tainted: P     ---- 2.6.18-308.8.2.el5 #1
RIP: 0010:[<ffffffff88036500>]  [<ffffffff88036500>] :jbd:__journal_remove_journal_head+0xa/0x1a3