Public bug reported:
Binary package hint: linux-image-2.6.17-6-686
[17529196.336000] BUG: unable to handle kernel NULL pointer dereference at
virtual address 00000074
[17529196.336000] printing eip:
[17529196.336000] c02d52d1
[17529196.336000] *pde = 00000000
[17529196.336000] Oops: 0002 [#1]
[17529196.336000] SMP
[17529196.336000] Modules linked in: nls_utf8 binfmt_misc rfcomm l2cap
bluetooth powernow_k8 cpufreq_userspace cpufreq_stats freq_table
cpufreq_powersave cpufreq_ondemand cpufreq_conservative video tc1100_wmi
sony_acpi pcc_acpi hotkey dev_acpi container button acpi_sbs battery ac
i2c_acpi_ec nls_iso8859_1 nls_cp437 vfat fat xfs dm_mod md_mod sr_mod sbp2
parport_pc lp parport tsdev snd_emu10k1_synth snd_emux_synth snd_seq_virmidi
snd_seq_midi_emul snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event
snd_seq snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_pcm_oss
snd_mixer_oss snd_pcm ipv6 snd_seq_device i2c_viapro snd_timer snd_page_alloc
snd_util_mem sg i2c_core snd_hwdep snd evdev amd64_agp agpgart shpchp soundcore
8139cp 8139too mii pci_hotplug usblp psmouse serio_raw pcspkr usb_storage
usbhid libusual ext3 jbd ehci_hcd ohci1394 ieee1394 uhci_hcd usbcore
ide_generic sd_mod sata_via libata scsi_mod ide_cd cdrom generic via82cxxx
thermal processor fan fbcon tileblit font bitblit softcursor vesafb capability
commoncap
[17529196.336000] CPU: 0
[17529196.336000] EIP: 0060:[<c02d52d1>] Not tainted VLI
[17529196.336000] EFLAGS: 00010206 (2.6.17-6-686 #2)
[17529196.336000] EIP is at mutex_unlock+0x1/0x10
[17529196.336000] eax: 00000074 ebx: 00000000 ecx: 00000000 edx: 00000007
[17529196.336000] esi: caeac94c edi: e3300b64 ebp: e3300b64 esp: c28afdb4
[17529196.336000] ds: 007b es: 007b ss: 0068
[17529196.336000] Process dd (pid: 30638, threadinfo=c28ae000 task=dfb0ba90)
[17529196.336000] Stack: c0178a1f c28afe58 00000001 ef1bec80 c017596c 00000000
00000001 0000000b
[17529196.336000] c0361770 c28afe17 c28afe57 c28affbc 0000000b 000003e8
c0368790 00000001
[17529196.336000] 00028042 00000001 00000000 00000000 dfb0ba90 c28ae000
00000000 003e46b2
[17529196.336000] Call Trace:
[17529196.336000] <c0178a1f> vfs_unlink+0xbf/0x110 <c017596c>
do_coredump+0x46c/0x8e0
[17529196.336000] <f88aa79a> scsi_request_fn+0x20a/0x370 [scsi_mod]
<c012b14a> del_timer+0x5a/0x70
[17529196.336000] <c011aa90> try_to_wake_up+0x70/0x3e0 <c012bb25>
__dequeue_signal+0xc5/0x1a0
[17529196.336000] <c012d7dc> get_signal_to_deliver+0x29c/0x3d0 <c02d6e80>
do_page_fault+0x0/0x6f0
[17529196.336000] <c010269b> do_notify_resume+0x8b/0x6e0 <c01580ea>
__handle_mm_fault+0x3da/0x8e0
[17529196.336000] <c02d6f88> do_page_fault+0x108/0x6f0 <c02d6e80>
do_page_fault+0x0/0x6f0
[17529196.336000] <c01030ca> work_notifysig+0x13/0x19
[17529196.336000] Code: 8d 54 24 04 89 0c 24 89 f9 e8 1c ff ff ff 8b 5c 24 20
8b 74 24 24 8b 7c 24 28 83 c4 2c c3 00 00 00 00 00 00 00 00 00 00 00 00 90 <ff>
00 0f 8e cc 01 00 00 c3 8d b6 00 00 00 00 53 89 c3 e8 08 f5
[17529196.336000] EIP: [<c02d52d1>] mutex_unlock+0x1/0x10 SS:ESP 0068:c28afdb4
[17529196.336000] <1>BUG: unable to handle kernel NULL pointer dereference at
virtual address 00000074
[17529218.188000] printing eip:
[17529218.188000] c02d52d1
[17529218.188000] *pde = 00000000
[17529218.188000] Oops: 0002 [#2]
[17529218.188000] SMP
[17529218.188000] Modules linked in: nls_utf8 binfmt_misc rfcomm l2cap
bluetooth powernow_k8 cpufreq_userspace cpufreq_stats freq_table
cpufreq_powersave cpufreq_ondemand cpufreq_conservative video tc1100_wmi
sony_acpi pcc_acpi hotkey dev_acpi container button acpi_sbs battery ac
i2c_acpi_ec nls_iso8859_1 nls_cp437 vfat fat xfs dm_mod md_mod sr_mod sbp2
parport_pc lp parport tsdev snd_emu10k1_synth snd_emux_synth snd_seq_virmidi
snd_seq_midi_emul snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event
snd_seq snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_pcm_oss
snd_mixer_oss snd_pcm ipv6 snd_seq_device i2c_viapro snd_timer snd_page_alloc
snd_util_mem sg i2c_core snd_hwdep snd evdev amd64_agp agpgart shpchp soundcore
8139cp 8139too mii pci_hotplug usblp psmouse serio_raw pcspkr usb_storage
usbhid libusual ext3 jbd ehci_hcd ohci1394 ieee1394 uhci_hcd usbcore
ide_generic sd_mod sata_via libata scsi_mod ide_cd cdrom generic via82cxxx
thermal processor fan fbcon tileblit font bitblit softcursor vesafb capability
commoncap
[17529218.188000] CPU: 0
[17529218.188000] EIP: 0060:[<c02d52d1>] Not tainted VLI
[17529218.188000] EFLAGS: 00010206 (2.6.17-6-686 #2)
[17529218.188000] EIP is at mutex_unlock+0x1/0x10
[17529218.188000] eax: 00000074 ebx: 00000000 ecx: 00000000 edx: 00000007
[17529218.188000] esi: caeac94c edi: e548663c ebp: e548663c esp: d7e7fdb4
[17529218.188000] ds: 007b es: 007b ss: 0068
[17529218.188000] Process dd (pid: 30695, threadinfo=d7e7e000 task=ee244030)
[17529218.188000] Stack: c0178a1f d7e7fe58 00000001 ef1be740 c017596c 00000000
00000001 0000000b
[17529218.188000] c6c11144 d7e7fe17 d7e7fe57 d7e7ffbc 0000000b 000003e8
c0368790 00000001
[17529218.188000] 00028042 00000001 00000000 00000000 ee244030 d7e7e000
00000000 00000000
[17529218.188000] Call Trace:
[17529218.188000] <c0178a1f> vfs_unlink+0xbf/0x110 <c017596c>
do_coredump+0x46c/0x8e0
[17529218.188000] <c0186631> mntput_no_expire+0x21/0x90 <c017a1e1>
link_path_walk+0x71/0xf0
[17529218.188000] <c011aa90> try_to_wake_up+0x70/0x3e0 <c012bb25>
__dequeue_signal+0xc5/0x1a0
[17529218.188000] <c012d7dc> get_signal_to_deliver+0x29c/0x3d0 <c02d6e80>
do_page_fault+0x0/0x6f0
[17529218.188000] <c010269b> do_notify_resume+0x8b/0x6e0 <c0157f15>
__handle_mm_fault+0x205/0x8e0
[17529218.188000] <c02d6f88> do_page_fault+0x108/0x6f0 <c02d6e80>
do_page_fault+0x0/0x6f0
[17529218.188000] <c01030ca> work_notifysig+0x13/0x19
[17529218.188000] Code: 8d 54 24 04 89 0c 24 89 f9 e8 1c ff ff ff 8b 5c 24 20
8b 74 24 24 8b 7c 24 28 83 c4 2c c3 00 00 00 00 00 00 00 00 00 00 00 00 90 <ff>
00 0f 8e cc 01 00 00 c3 8d b6 00 00 00 00 53 89 c3 e8 08 f5
[17529218.188000] EIP: [<c02d52d1>] mutex_unlock+0x1/0x10 SS:ESP 0068:d7e7fdb4
[17529218.188000]
This got triggered and crashed Wine when I did:
dd if=/bin/cat of=/dev/zero bs=1 count=512
An attempt with /dev/null triggered a second one.
** Affects: linux-source-2.6.17 (Ubuntu)
Importance: Untriaged
Status: Unconfirmed
--
kernel bug, you figure it out.
https://launchpad.net/bugs/57642
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