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Badhri Jagan Sridharan ea3c70fb95 FROMGIT: usb: typec: tcpm: Check for port partner validity before consuming it 
typec_register_partner() does not guarantee partner registration
to always succeed. In the event of failure, port->partner is set
to the error value or NULL. Given that port->partner validity is
not checked, this results in the following crash:

Unable to handle kernel NULL pointer dereference at virtual address xx
 pc : run_state_machine+0x1bc8/0x1c08
 lr : run_state_machine+0x1b90/0x1c08
..
 Call trace:
   run_state_machine+0x1bc8/0x1c08
   tcpm_state_machine_work+0x94/0xe4
   kthread_worker_fn+0x118/0x328
   kthread+0x1d0/0x23c
   ret_from_fork+0x10/0x20

To prevent the crash, check for port->partner validity before
derefencing it in all the call sites.

Cc: stable@vger.kernel.org
Fixes: c97cd0b4b54e ("usb: typec: tcpm: set initial svdm version based on pd revision")
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240427202812.3435268-1-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 321849121
(cherry picked from commit ae11f04b452b5205536e1c02d31f8045eba249dd
https: //kernel.googlesource.com/pub/scm/linux/kernel/git/gregkh/usb
usb-linus)
Change-Id: I8e6d61816bd5ef22bc781e5d433e68ae078aac2d
Signed-off-by: Zheng Pan <zhengpan@google.com>
2024-05-01 16:07:02 -07:00
..
accessibility
acpi Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
amba amba: bus: fix refcount leak 2023-09-13 09:42:56 +02:00
android ANDROID: vendor_hooks: add two hooks for lazy preemption 2024-04-30 17:06:35 +00:00
ata Merge 6.1.65 into android14-6.1-lts 2023-12-20 13:31:28 +00:00
atm Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
auxdisplay auxdisplay: hd44780: move cursor home after clear display command 2023-12-08 08:51:16 +01:00
base Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
bcma
block Reapply "ANDROID: null_blk: Support configuring the maximum segment size" 2024-04-03 17:09:27 +00:00
bluetooth Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
bus Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
cdrom
char This is the 6.1.63 stable release 2023-11-27 16:59:46 +00:00
clk BACKPORT: clk: mediatek: Split configuration options for MT8186 clock drivers 2024-04-17 20:28:21 +00:00
clocksource Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
comedi
connector
counter counter: microchip-tcb-capture: Fix the use of internal GCLK logic 2023-10-19 23:08:58 +02:00
cpufreq BACKPORT: cpufreq: Don't unregister cpufreq cooling on CPU hotplug 2024-04-10 18:11:00 +00:00
cpuidle Merge branch 'android14-6.1' into branch 'android14-6.1-lts' 2023-10-31 17:20:05 +00:00
crypto Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
cxl Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
dax
dca
devfreq Merge branch 'android14-6.1' into branch 'android14-6.1-lts' 2024-01-11 08:06:52 +00:00
dio
dma Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
dma-buf Merge "Merge tag 'android14-6.1.68_r00' into branch 'android14-6.1'" into android14-6.1 2024-01-24 17:34:59 +00:00
edac Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
eisa
extcon extcon: cht_wc: add POWER_SUPPLY dependency 2023-09-13 09:42:53 +02:00
firewire Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
firmware Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
fpga
fsi fsi: aspeed: Reset master errors after CFAM reset 2023-09-13 09:42:54 +02:00
gnss
gpio Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
gpu Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
greybus
hid Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
hsi
hte hte: tegra: Fix missing error code in tegra_hte_test_probe() 2023-11-20 11:51:58 +01:00
hv This is the 6.1.53 stable release 2023-09-18 09:57:37 +00:00
hwmon Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
hwspinlock hwspinlock: qcom: add missing regmap config for SFPB MMIO implementation 2023-09-19 12:28:05 +02:00
hwtracing FROMGIT: coresight: etm4x: Fix access to resource selector registers 2024-04-26 12:54:24 -07:00
i2c Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
i3c i3c: master: svc: fix random hot join failure since timeout error 2023-11-28 17:07:17 +00:00
idle intel_idle: add Emerald Rapids Xeon support 2023-10-10 22:00:44 +02:00
iio Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
infiniband Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
input Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
interconnect Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
iommu Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
ipack
irqchip BACKPORT: irqchip/gic-v3: Work around affinity issues on ASR8601 2024-01-26 10:14:07 +00:00
isdn
leds Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
macintosh
mailbox This is the 6.1.54 stable release 2023-10-17 12:03:09 +00:00
mcb mcb: fix error handling for different scenarios when parsing 2023-11-28 17:07:13 +00:00
md Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
media Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
memory
memstick
message
mfd Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
misc Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
mmc Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
most
mtd Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
mux
net Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
nfc
ntb ntb: Fix calculation ntb_transport_tx_free_entry() 2023-09-13 09:43:02 +02:00
nubus
nvdimm nd_btt: Make BTT lanes preemptible 2023-11-20 11:52:05 +01:00
nvme Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
nvmem nvmem: imx: correct nregs for i.MX6UL 2023-11-02 09:35:31 +01:00
of Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
opp
parisc parisc/power: Fix power soft-off when running on qemu 2023-11-28 17:07:14 +00:00
parport Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
pci Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
pcmcia pcmcia: ds: fix possible name leak in error path in pcmcia_device_add() 2023-11-20 11:52:13 +01:00
peci
perf perf: hisi: Fix use-after-free when register pmu fails 2023-11-20 11:52:01 +01:00
phy Merge "Merge tag 'android14-6.1.68_r00' into branch 'android14-6.1'" into android14-6.1 2024-01-24 17:34:59 +00:00
pinctrl Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
platform Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
pnp
power Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
powercap ANDROID: idle_inject: Export function symbols 2024-01-25 19:43:25 +00:00
pps
ps3
ptp ptp: annotate data-race around q->head and q->tail 2023-11-28 17:07:05 +00:00
pwm Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
rapidio
ras
regulator regulator: mt6358: Fail probe on unknown chip ID 2023-11-20 11:51:56 +01:00
remoteproc
reset Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
rpmsg rpmsg: glink: Add check for kstrdup 2023-09-13 09:42:58 +02:00
rtc rtc: pcf85363: fix wrong mask/val parameters in regmap_update_bits call 2023-11-20 11:52:13 +01:00
s390 Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
sbus
scsi Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
sh
siox
slimbus
soc BACKPORT: mtk-mmsys: Change mtk-mmsys & mtk-mutex to modules 2024-04-17 20:28:21 +00:00
soundwire Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
spi Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
spmi Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
ssb
staging Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
target Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
tc
tee tee: optee: Fix supplicant based device enumeration 2023-12-13 18:39:12 +01:00
thermal ANDROID: thermal: Add vendor thermal_pm_notify_suspend function 2024-04-01 06:54:34 +00:00
thunderbolt Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
tty Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
ufs UPSTREAM: scsi: ufs: core: Fix racing issue between ufshcd_mcq_abort() and ISR 2024-02-26 17:25:00 +00:00
uio Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
usb FROMGIT: usb: typec: tcpm: Check for port partner validity before consuming it 2024-05-01 16:07:02 -07:00
vdpa Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
vfio Merge 6.1.56 into android14-6.1-lts 2023-10-27 09:17:04 +00:00
vhost This is the 6.1.64 stable release 2023-12-12 18:41:13 +00:00
video Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
virt ANDROID: virt: gunyah: Move send_lock around req and reply 2024-03-21 14:48:00 +00:00
virtio UPSTREAM: virtio: Add support for no-reset virtio PCI PM 2024-02-14 00:31:36 +00:00
vlynq
w1
watchdog Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1" 2024-04-02 19:49:12 +00:00
xen Merge 6.1.65 into android14-6.1-lts 2023-12-20 13:31:28 +00:00
zorro
Kconfig
Makefile