HID: logitech-hidpp: Check maxfield in hidpp_get_report_length()

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[ Upstream commit 1547d41f9f ]

Do not crash when a report has no fields.

Fake USB gadgets can send their own HID report descriptors and can define report
structures without valid fields.  This can be used to crash the kernel over USB.

Cc: stable@vger.kernel.org
Signed-off-by: Günther Noack <gnoack@google.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Günther Noack 2026-01-09 13:25:58 +01:00 • committed by Sasha Levin

parent e7ac1cd823

commit f1ceaaf93e

1 changed files with 1 additions and 1 deletions

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drivers/hid/hid-logitech-hidpp.c

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