Andrei Emeltchenko c2c77ec83b Bluetooth: Fix kernel crash on L2CAP stress tests ... Added very simple check that req buffer has enough space to fit configuration parameters. Shall be enough to reject packets with configuration size more than req buffer. Crash trace below [ 6069.659393] Unable to handle kernel paging request at virtual address 02000205 [ 6069.673034] Internal error: Oops: 805 [#1] PREEMPT ... [ 6069.727172] PC is at l2cap_add_conf_opt+0x70/0xf0 [l2cap] [ 6069.732604] LR is at l2cap_recv_frame+0x1350/0x2e78 [l2cap] ... [ 6070.030303] Backtrace: [ 6070.032806] [<bf1c2880>] (l2cap_add_conf_opt+0x0/0xf0 [l2cap]) from [<bf1c6624>] (l2cap_recv_frame+0x1350/0x2e78 [l2cap]) [ 6070.043823] r8:dc5d3100 r7:df2a91d6 r6:00000001 r5:df2a8000 r4:00000200 [ 6070.050659] [<bf1c52d4>] (l2cap_recv_frame+0x0/0x2e78 [l2cap]) from [<bf1c8408>] (l2cap_recv_acldata+0x2bc/0x350 [l2cap]) [ 6070.061798] [<bf1c814c>] (l2cap_recv_acldata+0x0/0x350 [l2cap]) from [<bf0037a4>] (hci_rx_task+0x244/0x478 [bluetooth]) [ 6070.072631] r6:dc647700 r5:00000001 r4:df2ab740 [ 6070.077362] [<bf003560>] (hci_rx_task+0x0/0x478 [bluetooth]) from [<c006b9fc>] (tasklet_action+0x78/0xd8) [ 6070.087005] [<c006b984>] (tasklet_action+0x0/0xd8) from [<c006c160>] Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com> Acked-by: Gustavo F. Padovan <gustavo@padovan.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>		2010-03-21 05:49:36 +01:00
..
bnep	net: use netdev_mc_count and netdev_mc_empty when appropriate	2010-02-12 11:38:58 -08:00
cmtp	proc_fops: convert drivers/isdn/ to seq_file	2010-01-14 03:10:54 -08:00
hidp	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2010-02-25 14:42:39 -08:00
rfcomm	Bluetooth: Convert debug files to actually use debugfs instead of sysfs	2010-03-21 05:49:35 +01:00
af_bluetooth.c	net: pass kern to net_proto_family create function	2009-11-05 22:18:14 -08:00
hci_conn.c	Bluetooth: Enter active mode before establishing a SCO link.	2010-02-03 19:10:59 -08:00
hci_core.c	Bluetooth: Add controller types for BR/EDR and 802.11 AMP	2010-02-27 14:05:38 +01:00
hci_event.c	Bluetooth: Add SCO fallback for unsupported feature error	2010-02-27 14:06:00 +01:00
hci_sock.c	Bluetooth: Fix out of scope variable access in hci_sock_cmsg()	2010-02-28 00:47:30 -08:00
hci_sysfs.c	Bluetooth: Convert debug files to actually use debugfs instead of sysfs	2010-03-21 05:49:35 +01:00
Kconfig	Bluetooth: Add missing selection of CONFIG_CRC16 for L2CAP layer	2009-08-24 16:34:35 -07:00
l2cap.c	Bluetooth: Fix kernel crash on L2CAP stress tests	2010-03-21 05:49:36 +01:00
lib.c
Makefile
sco.c	Bluetooth: Convert debug files to actually use debugfs instead of sysfs	2010-03-21 05:49:35 +01:00