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SubjectAPIC null ptr dereference, vanilla 2.6.6

May 13 19:22:26 Huntington-Beach Unable to handle kernel NULL pointer
dereference at virtual address 00000095
May 13 19:22:26 Huntington-Beach printing eip:
May 13 19:22:26 Huntington-Beach c038ed50
May 13 19:22:26 Huntington-Beach *pde = 00000000
May 13 19:22:26 Huntington-Beach Oops: 0002 [#1]
May 13 19:22:26 Huntington-Beach PREEMPT
May 13 19:22:26 Huntington-Beach CPU: 0
May 13 19:22:26 Huntington-Beach EIP: 0060:[<c038ed50>] Not tainted
May 13 19:22:26 Huntington-Beach EFLAGS: 00010246 (2.6.6)
May 13 19:22:26 Huntington-Beach EIP is at ov51x_v4l1_read+0x30/0x630
May 13 19:22:26 Huntington-Beach eax: 00000095 ebx: f7c04194 ecx:
00000095 edx: 402be008
May 13 19:22:26 Huntington-Beach esi: 00000000 edi: 00000001 ebp:
00070800 esp: f489df2c
May 13 19:22:26 Huntington-Beach ds: 007b es: 007b ss: 0068
May 13 19:22:26 Huntington-Beach Process camsource (pid: 8176,
threadinfo=f489d000 task=f1cd31b0)
May 13 19:22:26 Huntington-Beach Stack: ee6b8758 c01048e2 ee6b8758
ee6b8758 d551daa8 00000002 00020003 c015df0d
May 13 19:22:26 Huntington-Beach 00000095 ffffffff 402be008 f1ab1900
00000002 f1ab17f8 c0166705 00000000
May 13 19:22:26 Huntington-Beach f1b405b4 00000023 f1b405b4 c0611800
f6cf7540 00070800 f6cf7560 c014e2a0
May 13 19:22:26 Huntington-Beach Call Trace:
May 13 19:22:26 Huntington-Beach [<c01048e2>] apic_timer_interrupt+0x1a/0x20
May 13 19:22:26 Huntington-Beach [<c015df0d>] send_sigio+0x3d/0xd0
May 13 19:22:26 Huntington-Beach [<c0166705>] __inode_dir_notify+0x85/0xb0
May 13 19:22:26 Huntington-Beach [<c014e2a0>] vfs_read+0xb0/0x100
May 13 19:22:26 Huntington-Beach [<c014e4d8>] sys_read+0x38/0x60
May 13 19:22:26 Huntington-Beach [<c0103e89>] sysenter_past_esp+0x52/0x71
May 13 19:22:26 Huntington-Beach
May 13 19:22:26 Huntington-Beach Code: ff 8f 94 00 00 00 0f 88 48 25 00
00 31 c0 85 c0 ba fc ff ff

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