This isn't nice

[m.roth at 5-cent.us]

Well, I dunno if this is a bug with fedora or selinux, but my FC13 system
crashed earlier today with:

Aug 18 13:01:56 argo kernel: SELinux:  Invalid class 0
Aug 18 13:11:23 argo kernel: BUG: unable to handle kernel NULL pointer
dereference at 0000000000000008
Aug 18 13:11:23 argo kernel: IP: [<ffffffff811c73b6>]
selinux_inode_free_security+0x3f/0x77
Aug 18 13:11:23 argo kernel: PGD 139db9067 PUD 12dde6067 PMD 0
Aug 18 13:11:23 argo kernel: Oops: 0002 [#1] SMP
Aug 18 13:11:23 argo kernel: last sysfs file:
/sys/devices/pci0000:00/0000:00:1c.0/0000:0b:00.0/local_cpus
Aug 18 13:11:23 argo kernel: CPU 2
Aug 18 13:11:23 argo kernel: Pid: 50, comm: kswapd0 Tainted: P          
2.6.33.6-147.fc13.x86_64 #1 0GU083/Precision WorkStation 490
Aug 18 13:11:23 argo kernel: RIP: 0010:[<ffffffff811c73b6>] 
[<ffffffff811c73b6>] selinux_inode_free_security+0x3f/0x77
Aug 18 13:11:23 argo kernel: RSP: 0018:ffff88013a0e7bf0  EFLAGS: 00010213
Aug 18 13:11:23 argo kernel: RAX: ffff880126f15008 RBX: ffff880126f15000
RCX: 0000000000000000
Aug 18 13:11:23 argo kernel: RDX: 0000000000000000 RSI: ffff880005890500
RDI: ffff880137156860
Aug 18 13:11:23 argo kernel: RBP: ffff88013a0e7c10 R08: ffff880011d2e980
R09: 0000000000000005
Aug 18 13:11:23 argo kernel: R10: ffff880011d2e860 R11: ffff880011d2e650
R12: ffff880011d2e970
Aug 18 13:11:23 argo kernel: R13: ffff880137156800 R14: ffff88013a0e7cb0
R15: 0000000000000080
Aug 18 13:11:23 argo kernel: FS:  0000000000000000(0000)
GS:ffff880005880000(0000) knlGS:0000000000000000
Aug 18 13:11:23 argo kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Aug 18 13:11:23 argo kernel: CR2: 0000000000000008 CR3: 000000012ddfd000
CR4: 00000000000006e0
Aug 18 13:11:23 argo kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Aug 18 13:11:23 argo kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0
DR7: 0000000000000400
Aug 18 13:11:23 argo kernel: Process kswapd0 (pid: 50, threadinfo
ffff88013a0e6000, task ffff88013b0f2ea0)
Aug 18 13:11:23 argo kernel: Stack:
Aug 18 13:11:23 argo kernel: ffff88013a0e7c10 ffff880011d2e970
ffff880011d2e980 000000000000007d
Aug 18 13:11:23 argo kernel: <0> ffff88013a0e7c30 ffffffff811be70b
0000000000000000 ffff880011d2e970
Aug 18 13:11:23 argo kernel: <0> ffff88013a0e7c50 ffffffff811130d4
ffff880011d2eb80 ffff880011d2e970
Aug 18 13:11:23 argo kernel: Call Trace:
Aug 18 13:11:23 argo kernel: [<ffffffff811be70b>]
security_inode_free+0x21/0x25
Aug 18 13:11:23 argo kernel: [<ffffffff811130d4>] __destroy_inode+0x21/0x78
Aug 18 13:11:23 argo kernel: [<ffffffff8111313c>] destroy_inode+0x11/0x40
Aug 18 13:11:23 argo kernel: [<ffffffff811135d4>] dispose_list+0xbe/0xed
Aug 18 13:11:23 argo kernel: [<ffffffff811137d1>]
shrink_icache_memory+0x1ce/0x1fe
Aug 18 13:11:23 argo kernel: [<ffffffff810cb017>] shrink_slab+0xd3/0x157
Aug 18 13:11:23 argo kernel: [<ffffffff810cd0db>] balance_pgdat+0x3af/0x5e3
Aug 18 13:11:23 argo kernel: [<ffffffff810ca7ae>] ?
isolate_pages_global+0x0/0x1f2
Aug 18 13:11:23 argo kernel: [<ffffffff810cd550>] kswapd+0x241/0x26d
Aug 18 13:11:23 argo kernel: [<ffffffff810641bf>] ?
autoremove_wake_function+0x0/0x34
Aug 18 13:11:23 argo kernel: [<ffffffff810cd30f>] ? kswapd+0x0/0x26d
Aug 18 13:11:23 argo kernel: [<ffffffff81063d6f>] kthread+0x7a/0x82
Aug 18 13:11:23 argo kernel: [<ffffffff8100a924>]
kernel_thread_helper+0x4/0x10
Aug 18 13:11:23 argo kernel: [<ffffffff81063cf5>] ? kthread+0x0/0x82
Aug 18 13:11:23 argo kernel: [<ffffffff8100a920>] ?
kernel_thread_helper+0x0/0x10
Aug 18 13:11:23 argo kernel: Code: 01 00 00 48 8b 9f 28 02 00 00 4c 8b a8
c0 00 00 00 49 8d 7d 60 e8 ec 2c 26 00 48 8b 53 08 48 8d 43 08 48 39 c2 74
13 48 8b 4b 10 <48> 89 4a 08 48 89 11 48 89 43 08 48 89 43 10 66 41 ff 45
60 49
Aug 18 13:11:23 argo kernel: RIP  [<ffffffff811c73b6>]
selinux_inode_free_security+0x3f/0x77
Aug 18 13:11:23 argo kernel: RSP <ffff88013a0e7bf0>
Aug 18 13:11:23 argo kernel: CR2: 0000000000000008
Aug 18 13:11:23 argo kernel: ---[ end trace 4543cd894c4be801 ]---

      mark, very unhappy with FC13....