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Subjectregression in 3.2-rc7 (kernel tried to execute NX-protected page)
from dmesg after booting today's git checkout:

...
[ 6.366980] hpwdt: New timer passed in is 30 seconds.
[ 6.367040] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[ 6.367113] BUG: unable to handle kernel paging request at c00f0000
[ 6.367232] IP: [<c00f0000>] 0xc00effff
[ 6.367318] *pdpt = 00000000013b1001 *pde = 00000000013de067 *pte = 80000000000f0163
[ 6.367486] Oops: 0011 [#1] SMP
[ 6.367600] Modules linked in: hpwdt(+) bnx2(+) psmouse container thermal button processor
[ 6.367927]
[ 6.367976] Pid: 669, comm: modprobe Not tainted 3.2.0-rc7+ #17 HP ProLiant DL360 G5
[ 6.368002] EIP: 0060:[<c00f0000>] EFLAGS: 00010286 CPU: 1
[ 6.368002] EIP is at 0xc00f0000
[ 6.368002] EAX: 55524324 EBX: 00000000 ECX: 00000000 EDX: 00000000
[ 6.368002] ESI: 00000000 EDI: 00000000 EBP: f0783dd8 ESP: f0783da8
[ 6.368002] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 6.368002] Process modprobe (pid: 669, ti=f0782000 task=f009db20 task.ti=f0782000)
[ 6.368002] Stack:
[ 6.368002] f8426020 00000060 ffff007b 00000286 c00ffee0 ffffffed f0783dd8 f0783dd8
[ 6.368002] c00f0000 00000001 00000000 c00f0000 f2cdbc00 f8426558 f8428100 c00f0000
[ 6.368002] f2c30564 ffffffff f8428030 000f0000 000f0000 f2cfcea0 c0100000 c00f0000
[ 6.368002] Call Trace:
[ 6.368002] [<f8426020>] ? asminline_call+0x20/0x46 [hpwdt]
[ 6.368002] [<f8426558>] ? hpwdt_init_one+0x1a7/0x3c0 [hpwdt]
[ 6.368002] [<c115dcf6>] ? pci_device_probe+0x47/0x68
[ 6.368002] [<c11aa167>] ? driver_probe_device+0x4a/0x13a
[ 6.368002] [<c115dbc4>] ? pci_match_device+0xf/0x8a
[ 6.368002] [<c11aa2b9>] ? __driver_attach+0x62/0x64
[ 6.368002] [<c11aa257>] ? driver_probe_device+0x13a/0x13a
[ 6.368002] [<c11a9603>] ? bus_for_each_dev+0x3e/0x62
[ 6.368002] [<c115dc62>] ? pci_dev_put+0xd/0xd
[ 6.368002] [<c11a9f29>] ? driver_attach+0x19/0x1e
[ 6.368002] [<c11aa257>] ? driver_probe_device+0x13a/0x13a
[ 6.368002] [<c11a9cab>] ? bus_add_driver+0x17d/0x24d
[ 6.368002] [<c115dc62>] ? pci_dev_put+0xd/0xd
[ 6.368002] [<c11aa499>] ? driver_register+0x57/0xec
[ 6.368002] [<c115e0af>] ? __pci_register_driver+0x31/0x92
[ 6.368002] [<c1001027>] ? do_one_initcall+0x27/0x150
[ 6.368002] [<c101c97e>] ? set_memory_nx+0x57/0x5b
[ 6.368002] [<f842b000>] ? 0xf842afff
[ 6.368002] [<c1054426>] ? sys_init_module+0xdff/0x1a14
[ 6.368002] [<c126fa97>] ? sysenter_do_call+0x12/0x26
[ 6.368002] Code: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <90> 90 80 fc d8 75 0d e9 da 06 00 00 69 04 00 00 ad 04 00 00 9c
[ 6.368002] EIP: [<c00f0000>] 0xc00f0000 SS:ESP 0068:f0783da8
[ 6.368002] CR2: 00000000c00f0000
[ 6.368002] ---[ end trace 865af1d8b782ff50 ]---
[ 6.487054] bnx2 0000:03:00.0: BAR 0: set to [mem 0xf8000000-0xf9ffffff 64bit] (PCI address [0xf8000000-0xf9ffffff])
...
--
Ralf Hildebrandt
Geschäftsbereich IT | Abteilung Netzwerk
Charité - Universitätsmedizin Berlin
Campus Benjamin Franklin
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
ralf.hildebrandt@charite.de | http://www.charite.de
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