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(parent: c2ca42f) | patch
selftests/hid: add a test case for the recent syzbot underflow
authorBenjamin Tissoires <bentiss@kernel.org>
Thu, 10 Jul 2025 14:01:36 +0000 (16:01 +0200)
committerBenjamin Tissoires <bentiss@kernel.org>
Sun, 13 Jul 2025 07:53:28 +0000 (09:53 +0200)
commit3a1d22bd85381c4e358fc3340e776c3a3223a1d0
tree65e4b12915ac932198b0c28c128b6f4ac5ccea03tree
parentc2ca42f190b6714d6c481dfd3d9b62ea091c946bcommit | diff
selftests/hid: add a test case for the recent syzbot underflow

Syzbot found a buffer underflow in __hid_request(). Add a related test
case for it.

It's not perfect, but it allows to catch a corner case when a report
descriptor is crafted so that it has a size of 0.

Link: https://patch.msgid.link/20250710-report-size-null-v2-4-ccf922b7c4e5@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
tools/testing/selftests/hid/tests/test_mouse.py diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)