Kuen-Han Tsai 9e4af87bd0 Revert "usb: gadget: u_serial: Add null pointer check in gs_start_io" ... commit f6c7bc4a68 upstream. This reverts commit ffd603f214. Commit ffd603f214 ("usb: gadget: u_serial: Add null pointer check in gs_start_io") adds null pointer checks at the beginning of the gs_start_io() function to prevent a null pointer dereference. However, these checks are redundant because the function's comment already requires callers to hold the port_lock and ensure port.tty and port_usb are not null. All existing callers already follow these rules. The true cause of the null pointer dereference is a race condition. When gs_start_io() calls either gs_start_rx() or gs_start_tx(), the port_lock is temporarily released for usb_ep_queue(). This allows port.tty and port_usb to be cleared. Fixes: ffd603f214 ("usb: gadget: u_serial: Add null pointer check in gs_start_io") Cc: stable <stable@kernel.org> Signed-off-by: Kuen-Han Tsai <khtsai@google.com> Reviewed-by: Prashanth K <prashanth.k@oss.qualcomm.com> Link: https://lore.kernel.org/r/20250617050844.1848232-1-khtsai@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2025-07-17 18:37:12 +02:00
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atm
c67x00
cdns3	usb: cdnsp: Fix issue with CV Bad Descriptor test	2025-07-10 16:05:11 +02:00
chipidea	usb: chipidea: udc: disconnect/reconnect from host when do suspend/resume	2025-07-10 16:05:11 +02:00
class	usb: cdc-wdm: avoid setting WDM_READ for ZLP-s	2025-07-06 11:01:35 +02:00
common	usb: common: usb-conn-gpio: use a unique name for usb connector device	2025-07-06 11:01:35 +02:00
core	Logitech C-270 even more broken	2025-07-10 16:05:12 +02:00
dwc2	usb: dwc2: also exit clock_gating when stopping udc while suspended	2025-07-06 11:01:34 +02:00
dwc3	usb: dwc3: Abort suspend on soft disconnect failure	2025-07-10 16:05:11 +02:00
early
fotg210
gadget	Revert "usb: gadget: u_serial: Add null pointer check in gs_start_io"	2025-07-17 18:37:12 +02:00
host	xhci: Disable stream for xHC controller with XHCI_BROKEN_STREAMS	2025-07-10 16:05:10 +02:00
image
isp1760
misc	usb: misc: onboard_usb_dev: fix build warning for CONFIG_USB_ONBOARD_DEV_USB5744=n	2025-06-19 15:32:37 +02:00
mon
mtu3
musb
phy
renesas_usbhs	usb: renesas_usbhs: Reorder clock handling and power management in probe	2025-06-19 15:32:11 +02:00
roles
serial	USB: serial: pl2303: add new chip PL2303GC-Q20 and PL2303GT-2AB	2025-06-10 07:12:59 -04:00
storage	usb: storage: Ignore UAS driver for SanDisk 3.2 Gen2 storage device	2025-06-10 07:12:59 -04:00
typec	usb: typec: displayport: Fix potential deadlock	2025-07-10 16:05:13 +02:00
usbip
Kconfig
Makefile
usb-skeleton.c