youwan Wang 13b1ebad4c Bluetooth: btusb: Add date->evt_skb is NULL check ...

[ Upstream commit 624820f7c8 ]

fix crash because of null pointers

[ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8
[ 6104.969667] #PF: supervisor read access in kernel mode
[ 6104.969668] #PF: error_code(0x0000) - not-present page
[ 6104.969670] PGD 0 P4D 0
[ 6104.969673] Oops: 0000 [#1] SMP NOPTI
[ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb]
[ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246
[ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006
[ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000
[ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001
[ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0
[ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90
[ 6104.969697] FS:  00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000
[ 6104.969699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0
[ 6104.969701] PKRU: 55555554
[ 6104.969702] Call Trace:
[ 6104.969708]  btusb_mtk_shutdown+0x44/0x80 [btusb]
[ 6104.969732]  hci_dev_do_close+0x470/0x5c0 [bluetooth]
[ 6104.969748]  hci_rfkill_set_block+0x56/0xa0 [bluetooth]
[ 6104.969753]  rfkill_set_block+0x92/0x160
[ 6104.969755]  rfkill_fop_write+0x136/0x1e0
[ 6104.969759]  __vfs_write+0x18/0x40
[ 6104.969761]  vfs_write+0xdf/0x1c0
[ 6104.969763]  ksys_write+0xb1/0xe0
[ 6104.969765]  __x64_sys_write+0x1a/0x20
[ 6104.969769]  do_syscall_64+0x51/0x180
[ 6104.969771]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 6104.969773] RIP: 0033:0x7f5a21f18fef
[ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef
[ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012
[ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017
[ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002
[ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0

Signed-off-by: youwan Wang <wangyouwan@126.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-11-28 17:19:38 +00:00

..

ath3k.c

Bluetooth: ath3k: remove superfluous header files

2022-03-18 17:12:09 +01:00

bcm203x.c

Bluetooth: bcm203x: remove superfluous header files

2022-03-18 17:12:09 +01:00

bfusb.c

Bluetooth: bfusb: fix division by zero in send path

2021-10-25 15:04:46 +02:00

bluecard_cs.c

Bluetooth: Use fallthrough pseudo-keyword

2020-07-10 19:09:42 +02:00

bpa10x.c

Bluetooth: bpa10x: change return value

2019-09-04 16:11:46 +02:00

bt3c_cs.c

Bluetooth: bt3c_cs: Fix obsolete function

2018-09-27 12:57:39 +02:00

btbcm.c

Bluetooth: btbcm: add default address for BCM43430A1

2023-08-11 11:50:05 -07:00

btbcm.h

Bluetooth: hci_bcm: Add support for FW loading in autobaud mode

2022-07-21 17:04:38 -07:00

btintel.c

Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED

2023-08-24 12:23:46 -07:00

btintel.h

Bluetooth: btintel: Send new command for PPAG

2023-08-24 12:23:26 -07:00

btmrvl_debugfs.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE

2022-06-10 14:51:36 +02:00

btmrvl_drv.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE

2022-06-10 14:51:36 +02:00

btmrvl_main.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE

2022-06-10 14:51:36 +02:00

btmrvl_sdio.c

Bluetooth: btmrvl_sdio: mark OF related data as maybe unused

2023-04-23 21:49:18 -07:00

btmrvl_sdio.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE

2022-06-10 14:51:36 +02:00

btmtk.c

Bluetooth: btmtk: Fix kernel crash when processing coredump

2023-08-11 11:48:58 -07:00

btmtk.h

Bluetooth: btmtk: Fix kernel crash when processing coredump

2023-08-11 11:48:58 -07:00

btmtksdio.c

Bluetooth: btmtksdio: Add in-band wakeup support

2022-07-21 17:08:03 -07:00

btmtkuart.c

bluetooth: Explicitly include correct DT includes

2023-08-11 11:50:24 -07:00

btnxpuart.c

Bluetooth: btnxpuart: Improve inband Independent Reset handling

2023-08-24 12:19:33 -07:00

btqca.c

Bluetooth: qca: add support for WCN7850

2023-08-24 12:21:15 -07:00

btqca.h

Bluetooth: qca: add support for WCN7850

2023-08-24 12:21:15 -07:00

btqcomsmd.c

Bluetooth: btqcomsmd: Fix command timeout after setting BD address

2023-03-23 13:09:38 -07:00

btrsi.c

Bluetooth: btrsi: remove superfluous header files from btrsi.c

2021-09-29 00:13:48 +02:00

btrtl.c

Bluetooth: btrtl: Ignore error return for hci_devcd_register()

2023-10-13 20:03:04 -07:00

btrtl.h

Bluetooth: btrtl: Add Realtek devcoredump support

2023-08-11 11:35:14 -07:00

btsdio.c

Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"

2023-04-23 22:04:52 -07:00

btusb.c

Bluetooth: btusb: Add date->evt_skb is NULL check

2023-11-28 17:19:38 +00:00

dtl1_cs.c

networking: add and use skb_put_u8()

2017-06-16 11:48:40 -04:00

h4_recv.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156

2019-05-30 11:26:35 -07:00

hci_ag6xx.c

Bluetooth: hci_uart: Remove redundant assignment to fw_ptr

2021-06-26 07:52:41 +02:00

hci_ath.c

Bluetooth: hci_uart: check for missing tty operations

2019-07-31 13:17:33 -07:00

hci_bcm4377.c

Bluetooth: hci_bcm4377: Mark bcm4378/bcm4387 as BROKEN_LE_CODED

2023-11-08 11:56:22 +01:00

hci_bcm.c

Bluetooth: hci_bcm: do not mark valid bd_addr as invalid

2023-06-29 10:52:08 -07:00

hci_bcsp.c

treewide: Convert del_timer*() to timer_shutdown*()

2022-12-25 13:38:09 -08:00

hci_h4.c

Bluetooth: hci_h4: Fix padding calculation error within h4_recv_buf()

2021-11-16 13:57:25 +01:00

hci_h5.c

bluetooth: Explicitly include correct DT includes

2023-08-11 11:50:24 -07:00

hci_intel.c

Bluetooth: hci_intel: Add check for platform_driver_register

2022-07-21 17:05:10 -07:00

hci_ldisc.c

Merge tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2023-09-01 09:38:00 -07:00

hci_ll.c

Bluetooth: hci_ll: drop of_match_ptr for ID table

2023-04-23 21:49:03 -07:00

hci_mrvl.c

Bluetooth: hci_mrvl: Add serdev support for 88W8997

2023-04-23 21:45:29 -07:00

hci_nokia.c

Bluetooth: nokia: fix value check in nokia_bluetooth_serdev_probe()

2023-08-11 11:50:41 -07:00

hci_qca.c

Bluetooth: qca: add support for WCN7850

2023-08-24 12:21:15 -07:00

hci_serdev.c

Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure

2022-09-19 10:33:39 -07:00

hci_uart.h

Bluetooth: hci_h5: Disable the hci_suspend_notifier for btrtl devices

2021-07-22 16:06:09 +02:00

hci_vhci.c

Bluetooth: vhci: Fix race when opening vhci device

2023-10-11 11:12:08 -07:00

Kconfig

Bluetooth: Add vhci devcoredump support

2023-04-23 21:58:21 -07:00

Makefile

Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets

2023-04-23 21:51:55 -07:00

virtio_bt.c

virtio_bt: call scheduler when we free unused buffs

2023-07-03 12:15:12 -04:00