linux-kernel - Kernel Oops on 2.6.18-1.2869.fc6 is this a bug?

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Date:	Thu, 3 May 2007 08:24:29 -0400
From:	"Gary Martin" <gm4rtin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Kernel Oops on 2.6.18-1.2869.fc6 is this a bug?

I have a system running Fedora Core 6 on a Dell PE4400 that crashed
and became unresponsive, I captured the following kernel oops in
/var/log/messages:

Apr 30 08:52:11 hostname kernel: list_del corruption. prev->next
should be d5507478, but was 0000008f
Apr 30 08:52:11 hostname kernel: ------------[ cut here ]------------
Apr 30 08:52:11 hostname kernel: kernel BUG at lib/list_debug.c:65!
Apr 30 08:52:11 hostname kernel: invalid opcode: 0000 [#1]
Apr 30 08:52:11 hostname kernel: SMP
Apr 30 08:52:11 hostname kernel: last sysfs file:
/devices/pci0000:00/0000:00:04.0/irq
 Apr 30 08:52:11 hostname kernel: Modules linked in: ipv6 autofs4
dm_multipath video sbs i2c_ec button battery ac lp i2c_piix4 sr_mod
i2c_core st cdrom e100 sg floppy pcspkr mii parport_pc tg3 parport
serio_raw dm_snapshot dm_zero dm_mirror dm_mod aic7xxx
scsi_transport_spi aacraid sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd
uhci_hcd
Apr 30 08:52:11 hostname kernel: CPU:    0
Apr 30 08:52:11 hostname kernel: EIP:    0060:[<c04e5913>]    Not tainted VLI
Apr 30 08:52:11 hostname kernel: EFLAGS: 00010296   (2.6.18-1.2869.fc6 #1)
Apr 30 08:52:11 hostname kernel: EIP is at list_del+0x23/0x6c
Apr 30 08:52:11 hostname kernel: eax: 00000048   ebx: d5507478   ecx:
c0671c50   edx: 00000096
Apr 30 08:52:11 hostname kernel: esi: d5507428   edi: f7d98e40   ebp:
00000282   esp: f7feff38
Apr 30 08:52:11 hostname kernel: ds: 007b   es: 007b   ss: 0068
Apr 30 08:52:11 hostname kernel: Process events/0 (pid: 8, ti=f7fef000
task=c2ec05c0 task.ti=f7fef000)
Apr 30 08:52:11 hostname kernel: Stack: c063707b d5507478 0000008f
d5507420 c04b7ae6 d5507420 d5507428 f7d98e40
Apr 30 08:52:11 hostname kernel:        c04b772c c067ece0 c067ece4
c042fa34 00000246 f7d98e40 f7d98e60 c04b7675
Apr 30 08:52:11 hostname kernel:        00000000 f7d98e60 f7d98e40
f7d98e58 00000000 c043032c 00000001 00000000
Apr 30 08:52:11 hostname kernel: Call Trace:
Apr 30 08:52:11 hostname kernel:  [<c04b7ae6>] keyring_destroy+0x28/0x65
Apr 30 08:52:11 hostname kernel:  [<c04b772c>] key_cleanup+0xb7/0xd0
Apr 30 08:52:11 hostname kernel:  [<c042fa34>] run_workqueue+0x83/0xc5
Apr 30 08:52:11 hostname kernel:  [<c043032c>] worker_thread+0xd9/0x10d
Apr 30 08:52:11 hostname kernel:  [<c04327f3>] kthread+0xc0/0xed
Apr 30 08:52:11 hostname kernel:  [<c0405447>] kernel_thread_helper+0x7/0x10
Apr 30 08:52:11 hostname kernel: DWARF2 unwinder stuck at
kernel_thread_helper+0x7/0x10
Apr 30 08:52:11 hostname kernel: Leftover inexact backtrace:
Apr 30 08:52:11 hostname kernel:  =======================
Apr 30 08:52:11 hostname kernel: Code: 00 00 89 c3 eb e8 90 90 53 89
c3 83 ec 0c 8b 40 04 8b 00 39 d8 74 1c 89 5c 24 04 89 44 24 08 c7 04
24 7b 70 63 c0 e8 df bc f3 ff <0f> 0b 41 00 b8 70 63 c0 8b 03 8b 40 04
39 d8 74 1c 89 5c 24 04
Apr 30 08:52:11 hostname kernel: EIP: [<c04e5913>] list_del+0x23/0x6c
SS:ESP 0068:f7feff38
Apr 30 08:52:20 hostname kernel:  <3>BUG: soft lockup detected on CPU#0!
Apr 30 08:52:20 hostname kernel:  [<c0405876>] dump_trace+0x69/0x1af
Apr 30 08:52:20 hostname kernel:  [<c04059d4>] show_trace_log_lvl+0x18/0x2c
Apr 30 08:52:20 hostname kernel:  [<c0405f83>] show_trace+0xf/0x11
Apr 30 08:52:20 hostname kernel:  [<c0406080>] dump_stack+0x15/0x17
Apr 30 08:52:20 hostname kernel:  [<c04498a9>] softlockup_tick+0xad/0xc4
Apr 30 08:52:20 hostname kernel:  [<c042a39a>] update_process_times+0x39/0x5c
Apr 30 08:52:20 hostname kernel:  [<c04148c5>]
smp_apic_timer_interrupt+0x5b/0x62
Apr 30 08:52:20 hostname kernel:  [<c040512f>] apic_timer_interrupt+0x1f/0x30
Apr 30 08:52:20 hostname kernel: DWARF2 unwinder stuck at
apic_timer_interrupt+0x1f/0x30
Apr 30 08:52:20 hostname kernel: Leftover inexact backtrace:
Apr 30 08:52:20 hostname kernel:  [<c0609f2f>] __write_lock_failed+0xf/0x20
Apr 30 08:52:20 hostname kernel:  [<c04e57f9>] _raw_write_lock+0x5d/0x74
Apr 30 08:52:20 hostname kernel:  [<c04b7ffd>] keyring_publish_name+0x2c/0x6d
Apr 30 08:52:20 hostname kernel:  [<c04b804c>] keyring_instantiate+0xe/0x13
Apr 30 08:52:20 hostname kernel:  [<c04b6fa4>]
__key_instantiate_and_link+0x2f/0xa8
Apr 30 08:52:20 hostname kernel:  [<c04b820d>] keyring_alloc+0x53/0x6a
Apr 30 08:52:20 hostname kernel:  [<c04b9888>] alloc_uid_keyring+0x4c/0xb2
Apr 30 08:52:20 hostname kernel:  [<c042a80d>] alloc_uid+0x95/0x13c
Apr 30 08:52:20 hostname kernel:  [<c042d66f>] set_user+0xb/0x8e
Apr 30 08:52:20 hostname kernel:  [<c042ef3a>] sys_setresuid+0x111/0x1dd
Apr 30 08:52:20 hostname kernel:  [<c0404027>] syscall_call+0x7/0xb
Apr 30 08:52:20 hostname kernel:  =======================

Is this a bug?  Please let me know if I can provide any other
information to determine the cause of this crash.  Thanks.
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