twx-linux/drivers
Kiran K 902160cdb2 Bluetooth: btinel: Check ACPI handle for NULL before accessing
Older platforms and Virtual platforms which doesn't have support for
bluetooth device in ACPI firmware will not have valid ACPI handle.
Check for validity of handle before accessing.

dmesg log from simics environment (virtual platform):

BUG: unable to handle kernel NULL pointer dereference at
0000000000000018
IP: acpi_ns_walk_namespace+0x5c/0x278
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
Modules linked in: bnep intel_powerclamp coretemp kvm_intel
kvm irqbypass intel_cstate input_leds joydev serio_raw mac_hid
btusb(OE) btintel(OE) bluetooth(OE) lpc_ich compat(OE) ecdh_generic
i7core_edac i5500_temp shpchp binfmt_misc sch_fq_codel parport_pc ppdev
lp parport ip_tables x_tables autofs4 hid_generic usbhid hid e1000e
psmouse ahci pata_acpi libahci ptp pps_core floppy
CPU: 0 PID: 35 Comm: kworker/u3:0 Tainted: G           OE
4.15.0-140-generic #144-Ubuntu
Hardware name: Simics Simics, BIOS Simics 01/01/2011
Workqueue: hci0 hci_power_on [bluetooth]
RIP: 0010:acpi_ns_walk_namespace+0x5c/0x278
RSP: 0000:ffffaa9c0049bba8 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 0000000000001001 RCX: 0000000000000010
RDX: ffffffff92ea7e27 RSI: ffffffff92ea7e10 RDI: 00000000000000c8
RBP: ffffaa9c0049bbf8 R08: 0000000000000000 R09: ffffffffc05b39d0
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffffc05b39d0 R15: ffffaa9c0049bc70
FS:  0000000000000000(0000) GS:ffff8be73fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000018 CR3: 0000000075f0e000 CR4: 00000000000006f0

Fixes: 294d749b5df5 ("Bluetooth: btintel: Iterate only bluetooth device ACPI entries")
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-03-23 13:09:26 -07:00
..
accel accel: Build sub-directories based on config options 2023-03-13 12:44:53 +01:00
accessibility
acpi Merge branches 'acpi-video', 'acpi-x86', 'acpi-tools' and 'acpi-docs' 2023-03-17 16:44:41 +01:00
amba
android Char/Misc and other driver subsystem changes for 6.3-rc1 2023-02-24 12:47:33 -08:00
ata ata: ahci: Revert "ata: ahci: Add Tiger Lake UP{3,4} AHCI controller" 2023-03-03 18:43:02 +09:00
atm atm: idt77252: fix kmemleak when rmmod idt77252 2023-03-21 20:19:28 -07:00
auxdisplay
base A set of updates for the interrupt susbsystem: 2023-03-05 11:19:16 -08:00
bcma
block block: sunvdc: add check for mdesc_grab() returning NULL 2023-03-15 08:48:58 -06:00
bluetooth Bluetooth: btinel: Check ACPI handle for NULL before accessing 2023-03-23 13:09:26 -07:00
bus ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
cdrom
char tpm: disable hwrng for fTPM on some AMD designs 2023-03-12 23:28:10 +02:00
clk clk: k210: remove an implicit 64-bit division 2023-03-06 14:41:20 -08:00
clocksource Updates for timekeeping, timers and clockevent/source drivers: 2023-02-21 09:45:13 -08:00
comedi
connector
counter
cpufreq More power management updates for 6.3-rc1 2023-03-03 10:30:58 -08:00
cpuidle cpuidle: psci: Iterate backwards over list in psci_pd_remove() 2023-03-07 14:04:13 +01:00
crypto This push fixes a regression in the caam driver. 2023-03-05 11:32:30 -08:00
cxl cxl for v6.3 2023-02-25 09:19:23 -08:00
dax cxl for v6.3 2023-02-25 09:19:23 -08:00
dca
devfreq
dio
dma dmaengine updates for v6.3 2023-02-24 17:18:54 -08:00
dma-buf dma-buf: make kobj_type structure constant 2023-02-17 09:16:34 +01:00
edac - Add a driver for the RAS functionality on Xilinx's on chip memory 2023-02-21 08:10:03 -08:00
eisa
extcon
firewire Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
firmware ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
fpga Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
fsi
gnss
gpio ACPI: x86: Introduce an acpi_quirk_skip_gpio_event_handlers() helper 2023-03-07 14:15:10 +01:00
gpu drm/ttm: drop extra ttm_bo_put in ttm_bo_cleanup_refs 2023-03-17 16:06:58 +10:00
greybus
hid for-linus-2023030901 2023-03-09 10:17:23 -08:00
hsi Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
hte
hv Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
hwmon - Core Frameworks 2023-02-23 15:03:05 -08:00
hwspinlock
hwtracing Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
i2c i2c: dev: Fix bus callback return values 2023-03-09 22:07:52 +01:00
i3c I3C for 6.3 2023-02-28 16:05:01 -08:00
idle Power management updates for 6.3-rc1 2023-02-21 12:13:58 -08:00
iio Char/Misc and other driver subsystem changes for 6.3-rc1 2023-02-24 12:47:33 -08:00
infiniband v6.3 RDMA pull request 2023-02-24 15:11:03 -08:00
input ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
interconnect SoC: DT changes for 6.3 2023-02-20 15:49:56 -08:00
iommu ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
ipack Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
irqchip ARM: 2023-02-25 11:30:21 -08:00
isdn
leds - Remove Drivers 2023-02-23 15:09:31 -08:00
macintosh powerpc updates for 6.3 2023-02-25 11:00:06 -08:00
mailbox mailbox: qcom-apcs-ipc: add IPQ5332 APSS clock support 2023-02-23 14:47:13 -06:00
mcb
md Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.3 2023-03-15 12:18:07 -06:00
media media: i2c: ov2685: convert to i2c's .probe_new() 2023-03-09 21:59:04 +01:00
memory ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
memstick MMC core: 2023-02-27 09:47:26 -08:00
message
mfd Including fixes from wireless and netfilter. 2023-02-27 14:05:08 -08:00
misc misc: ad525x_dpot-i2c: Convert to i2c's .probe_new() 2023-03-09 21:58:45 +01:00
mmc mmc: dw_mmc-starfive: Fix initialization of prev_err 2023-03-09 15:33:51 +01:00
most
mtd * regression fix for the notifier handling of the I2C core 2023-03-11 09:24:05 -08:00
mux
net mlxsw: spectrum_fid: Fix incorrect local port type 2023-03-22 15:50:32 +01:00
nfc nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition 2023-03-15 00:28:23 -07:00
ntb
nubus
nvdimm virtio,vhost,vdpa: features, fixes 2023-02-25 11:48:02 -08:00
nvme nvme fixes for Linux 6.3 2023-03-16 07:01:48 -06:00
nvmem
of IOMMU Updates for Linux v6.3: 2023-02-24 13:40:13 -08:00
opp OPP: fix error checking in opp_migrate_dentry() 2023-02-16 13:48:53 +01:00
parisc
parport Char/Misc and other driver subsystem changes for 6.3-rc1 2023-02-24 12:47:33 -08:00
pci PCI: s390: Fix use-after-free of PCI resources with per-function hotplug 2023-03-13 09:15:11 +01:00
pcmcia Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
peci
perf RISC-V Patches for the 6.3 Merge Window, Part 2 2023-03-03 09:32:51 -08:00
phy ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
pinctrl ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
platform platform: mellanox: mlx-platform: Initialize shift variable to 0 2023-03-07 12:08:30 +01:00
pnp
power power supply changes for the v6.3 series (part 2) 2023-03-03 16:33:28 -08:00
powercap More power management updates for 6.3-rc1 2023-03-03 10:30:58 -08:00
pps
ps3
ptp ptp: vclock: use mutex to fix "sleep on atomic" bug 2023-02-22 21:23:48 -08:00
pwm pwm: dwc: Use devm_pwmchip_add() 2023-02-20 12:26:35 +01:00
rapidio
ras
regulator regulator: Fixes for v6.3 2023-03-02 09:21:25 -08:00
remoteproc ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
reset
rpmsg rpmsg updates for v6.3 2023-02-26 12:10:28 -08:00
rtc RTC for 6.3 2023-03-03 09:15:50 -08:00
s390 SCSI misc on 20230303 2023-03-03 14:41:50 -08:00
sbus
scsi SCSI fixes on 20230316 2023-03-17 09:30:57 -07:00
sh sh updates for v6.3 2023-03-01 09:44:22 -08:00
siox
slimbus
soc ARM: SoC drivers for 6.3 2023-02-27 10:04:49 -08:00
soundwire soundwire updates for 6.3 2023-02-24 17:29:52 -08:00
spi spi: Fixes for v6.3 2023-03-02 09:25:38 -08:00
spmi
ssb
staging staging: r8188eu: delete driver 2023-03-09 10:06:28 +01:00
target scsi: target: iscsi: Fix an error message in iscsi_check_key() 2023-03-06 16:50:42 -05:00
tc
tee Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
thermal thermal: intel: int340x: processor_thermal: Fix deadlock 2023-03-03 20:34:49 +01:00
thunderbolt Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
tty serial: sc16is7xx: Convert to i2c's .probe_new() 2023-03-09 21:58:53 +01:00
ufs scsi: ufs: mcq: Use active_reqs to check busy in clock scaling 2023-03-09 21:09:28 -05:00
uio - Daniel Verkamp has contributed a memfd series ("mm/memfd: add 2023-02-23 17:09:35 -08:00
usb phy-for-6.3 2023-02-24 17:22:11 -08:00
vdpa vdpa_sim: set last_used_idx as last_avail_idx in vdpasim_queue_ready 2023-03-13 02:29:12 -04:00
vfio VFIO updates for v6.3-rc1 2023-02-25 11:52:57 -08:00
vhost vhost-vdpa: free iommu domain after last use during cleanup 2023-03-13 02:29:11 -04:00
video Merge drm/drm-fixes into drm-misc-fixes 2023-03-13 10:14:05 +01:00
virt virt/sev-guest: Return -EIO if certificate buffer is not large enough 2023-03-01 10:17:46 +01:00
virtio virtio,vhost,vdpa: features, fixes 2023-02-25 11:48:02 -08:00
vlynq
w1 w1: ds2482: Convert to i2c's .probe_new() 2023-03-09 21:58:57 +01:00
watchdog linux-watchdog 6.3-rc1 tag 2023-03-02 11:12:01 -08:00
xen xen: branch for v6.3-rc3 2023-03-17 10:45:49 -07:00
zorro
Kconfig
Makefile Kbuild updates for v6.3 2023-02-26 11:53:25 -08:00