Eli Billauer 5cff754692 char: xillybus: Check USB endpoints when probing device ... commit 2374bf7558 upstream. Ensure, as the driver probes the device, that all endpoints that the driver may attempt to access exist and are of the correct type. All XillyUSB devices must have a Bulk IN and Bulk OUT endpoint at address 1. This is verified in xillyusb_setup_base_eps(). On top of that, a XillyUSB device may have additional Bulk OUT endpoints. The information about these endpoints' addresses is deduced from a data structure (the IDT) that the driver fetches from the device while probing it. These endpoints are checked in setup_channels(). A XillyUSB device never has more than one IN endpoint, as all data towards the host is multiplexed in this single Bulk IN endpoint. This is why setup_channels() only checks OUT endpoints. Reported-by: syzbot+eac39cba052f2e750dbe@syzkaller.appspotmail.com Cc: stable <stable@kernel.org> Closes: https://lore.kernel.org/all/0000000000001d44a6061f7a54ee@google.com/T/ Fixes: a53d1202ae ("char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)"). Signed-off-by: Eli Billauer <eli.billauer@gmail.com> Link: https://lore.kernel.org/r/20240816070200.50695-2-eli.billauer@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2024-08-29 17:33:11 +02:00
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Kconfig	char: xillybus: make XILLYBUS_OF depend on HAS_IOMEM	2023-08-04 15:39:39 +02:00
Makefile	char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)	2021-05-27 14:07:41 +02:00
xillybus_class.c	char: xillybus: make xillybus_class a static const structure	2023-06-23 10:27:26 +02:00
xillybus_class.h	char: xillybus: Move class-related functions to new xillybus_class.c	2021-05-27 14:07:41 +02:00
xillybus_core.c	char: xillybus: Eliminate redundant wrappers to DMA related calls	2021-10-05 16:11:11 +02:00
xillybus_of.c	char: xillybus: Eliminate redundant wrappers to DMA related calls	2021-10-05 16:11:11 +02:00
xillybus_pcie.c	char: xillybus: Eliminate redundant wrappers to DMA related calls	2021-10-05 16:11:11 +02:00
xillybus.h	char: xillybus: Eliminate redundant wrappers to DMA related calls	2021-10-05 16:11:11 +02:00
xillyusb.c	char: xillybus: Check USB endpoints when probing device	2024-08-29 17:33:11 +02:00