[Bug 43935] kernel crashes trying to sync a treo 650

[SEAQ - Andres Mujica]

Public bug reported:

Binary package hint: kpilot

Hi i'm having this issue while i'm trying to sync a treo 650

dmesg output:

usb 2-1: new full speed USB device using uhci_hcd and address 19
[4301334.422000] visor 2-1:1.0: Handspring Visor / Palm OS converter detected
[4301334.422000] usb 2-1: Handspring Visor / Palm OS converter now attached to ttyUSB0
[4301334.422000] usb 2-1: Handspring Visor / Palm OS converter now attached to ttyUSB1
[4301336.495000] Unable to handle kernel NULL pointer dereference at virtual address 00000094
[4301336.495000]  printing eip:
[4301336.495000] cd0017f8
[4301336.495000] *pde = 00000000
[4301336.495000] Oops: 0000 [#1]
[4301336.495000] PREEMPT SMP
[4301336.495000] Modules linked in: visor usbserial snd_rtctimer i810 drm rfcomm l2cap bluetooth ipt_limit iptable_mangle ipt_LOG ipt_MASQUERADE ip_nat ipt_TOS ipt_REJECT ip_conntrack_irc ip_conntrack_ftp ipt_state ip_conntrack nfnetlink iptable_filter ip_tables autofs4 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 ipv6 md_mod dm_mod af_packet snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_seq_device lp 8139too mii floppy joydev parport_pc parport tsdev pcmcia rtc pcspkr ltmodem snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer yenta_socket rsrc_nonstatic i2c_i810 pcmcia_core i2c_algo_bit psmouse snd soundcore snd_page_alloc i2c_core intel_agp agpgart serio_raw hw_random shpchp pci_hotplug evdev ext3 jbd ide_generic uhci_hcd usbcore ide_cd cdrom ide_disk piix generic thermal processor fan capability commoncap vga16fb vgastate fbcon tileblit font bitblit softcursor
[4301336.495000] CPU:    0
[4301336.495000] EIP:    0060:[<cd0017f8>]    Tainted: P      VLI
[4301336.495000] EFLAGS: 00210246   (2.6.15-22-686)
[4301336.495000] EIP is at serial_chars_in_buffer+0x18/0xa0 [usbserial]
[4301336.495000] eax: c2476000   ebx: 00000000   ecx: 00000000   edx: c33542e0
[4301336.495000] esi: c2476000   edi: c03dbf50   ebp: c2bf0200   esp: c03dbe9c
[4301336.495000] ds: 007b   es: 007b   ss: 0068
[4301336.495000] Process kpilotDaemon (pid: 30068, threadinfo=c03da000 task=c03eba90)
[4301336.495000] Stack: c2476940 c013c28d c2476001 c2476000 00000000 c0243788 c2476000 c2476940
[4301336.495000]        c03dbf50 c2476000 c2bf0200 00000000 c247600c c023f203 c2476000 c2bf0200
[4301336.495000]        c03dbf50 c2bf0200 00001000 0000000c 00000014 c01865c8 c2bf0200 c03dbf50
[4301336.495000] Call Trace:
[4301336.495000]  [<c013c28d>] add_wait_queue+0x1d/0x50
[4301336.495000]  [<c0243788>] normal_poll+0xe8/0x145
[4301336.495000]  [<c023f203>] tty_poll+0x73/0xa0
[4301336.495000]  [<c01865c8>] do_select+0x1a8/0x370
[4301336.495000]  [<c019d6e2>] inotify_dentry_parent_queue_event+0x52/0xe0
[4301336.495000]  [<c0186240>] __pollwait+0x0/0xd0
[4301336.495000]  [<c0186a26>] sys_select+0x256/0x400
[4301336.495000]  [<c0103457>] sysenter_past_esp+0x54/0x75
[4301336.495000] Code: 12 f3 eb d6 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 53 83 ec 10 8b 0d 64 8d 00 cd 8b 44 24 18 85 c9 8b 98 94 09 00 00 75 1f <8b> 83 94 00 00 00 85 c0 74 3d 8b 03 8b 40 04 89 5c 24 18 8b 88
[4301336.495000]  <6>usb 2-1: USB disconnect, address 19
[4301341.479000] visor 2-1:1.0: device disconnected

uname -r
2.6.15-22-686
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=6.06
DISTRIB_CODENAME=dapper
DISTRIB_DESCRIPTION="Ubuntu (The Dapper Drake Release) Development Branch"

dpkg -l | grep kpilot
ii  kpilot                                 3.5.2-0ubuntu5                        KDE Palm Pilot hot-sync tool

** Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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kernel crashes trying to sync a treo 650
https://launchpad.net/bugs/43935