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Subject[Bug 1996] New: Bluetooth stack crashes kernel
http://bugme.osdl.org/show_bug.cgi?id=1996

Summary: Bluetooth stack crashes kernel
Kernel Version: 2.6.1
Status: NEW
Severity: normal
Owner: other_modules@kernel-bugs.osdl.org
Submitter: thomas@koeller.dyndns.org


Distribution: -
Hardware Environment: x86 PC
Software Environment:
Linux sarkovy.koeller.dyndns.org 2.6.1 #1 Sat Jan 10 01:54:59 CET 2004 i686
unknown

Gnu C 3.3.2
Gnu make 3.80
util-linux 2.11z
mount 2.11z
module-init-tools 0.9.15-pre2
e2fsprogs 1.33
nfs-utils 1.0.3
awk: cmd. line:2: (FILENAME=- FNR=1) fatal: attempt to access field -1
Dynamic linker (ldd) 2.3.2
Procps 3.1.9
Net-tools 1.52
Kbd 1.10
Sh-utils 2.0
Modules Loaded snd_dummy snd_via82xx snd_pcm snd_timer snd_ac97_codec
snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd hci_usb bluetooth
uhci_hcd usbcore cls_fw sch_htb ipt_tos ipt_mark ipt_MARK ipt_TOS
iptable_mangle ipt_MASQUERADE iptable_nat ipt_TCPMSS ipt_pkttype ipt_length
ipt_multiport ipt_REJECT ipt_LOG ipt_limit ipt_state iptable_filter ip_tables
ip_conntrack_ftp ip_conntrack pppoe pppox af_packet ppp_generic slhc epic100
mii crc32

Problem Description:
I am using a bluetooth adapter connected via USB. When uploading data from a
bluetooth device the kernel frequently crashes, like so (please note that I
wrote this down from the screen and typed it in again, so there may be errors):

kernel BUG at include/linux/module.h:296!
invalid operand: 0000 [#1]
CPU: 0
EIP: 0060:[<c8944753>] Not tainted
EFLAGS: 00010246
EIP is at l2cap_sock_alloc+0xc3/0xe0 [l2cap]
eax: 00000000 ebx: c261c080 ecx: 00000000 edx: c261c080
esi: 00000000 edi: c3a85980 ebp: c3a85980 esp: c02ddce0
ds: 007b es: 007b ss: 0068
Process swapper (pid: 0, threadinfo=c02dc000 task=c027fb20)
Stack: c894a280 00000000 00000024 00000020 c02dc000 c3f359d4 c89466b8 00000000
00000000 00000020 c8859b4c c3b00028 c3a85200 c88912d5 c3a85200 00000014
c02ddd3c 00000014 c261cbc0 00100030 0000008a 00000000 00000004 c118a81c
Call Trace:
[<c89466b8>] l2cap_recv_frame+0x518/0xe00 [l2cap]
[<c88912d5>] tcp_match+0x75/0x170 [ip_tables]
[<c88a206b>] match+0x6b/0xd0 [ip_multiport]
[<c889e017>] match+0x17/0x50 [ipt_state]
[<c888f292>] ipt_do_table+0x262/0x340 [ipt_tables]
[<c021c9c0>] ip_local_deliver_finish+0x0/0x150
[<c01ccbd8>] get_device+0x18/0x30
[<c88edcf7>] uhci_submit_common+0x1f7/0x2b0 [uhci_hcd]
[<c8904d8a>] hcd_submit_urb+0xfa/0x170 [usbcore]
[<c8905811>] usb_submit_urb+0x1d1/0x250 [usbcore]
[<c88e1255>] hci_usb_rx_complete+0x1a5/0x6e0 [hci_usb]
[<c89474e1>] l2cap_recv_acldata+0x181/0x340 [l2cap]
[<c892f117>] hci_rx_task+0x1a7/0x340 [bluetooth]
[<c011fcb6>] tasklet_action+0x46/0x70
[<c011fad0>] do_softirq+0x90/0xa0
[<c010b56d>] do_IRQ+0xfd/0x130
[<c0105000>] _stext+0x0/0x60
[<c01098a4>] common_interrupt+0x18/0x20
[<c0105000>] _stext+0x0/0x60
[<c0106c13>] default_idle+0x23/0x30
[<c0106c7c>] cpu_idle+0x2c/0x40
[<c02de707>] start_kernel+0x147/0x160
[<c02de480>] unknown_bootoption+0x0/0x100
Code: 0f 0b 28 01 6f 79 94 c8 eb 95 0f 0b cb 01 86 79 94 c8 e9 69
<0>Kernel panic: Fatal exception in interrupt
In interrupt handler - not syncing

Steps to reproduce:
/home/thomas $ hcid
/home/thomas $ sdpd
/home/thomas $ sdptool add --channel=10 OPUSH
OBEX Object Push service registered

At this point I start uploading images taken with a cellphone camera. The crash
usually occurs after uploading 4..5 images.

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