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| /openbmc/linux/drivers/hid/ |
| H A D | hid-core.c | diff b12fece4c64857e5fab4290bf01b2e0317a88456 Mon Jan 16 05:11:24 CST 2023 Pietro Borrello <borrello@diag.uniroma1.it> HID: check empty report_list in hid_validate_values()
Add a check for empty report_list in hid_validate_values().
The missing check causes a type confusion when issuing a list_entry()
on an empty report_list.
The problem is caused by the assumption that the device must
have valid report_list. While this will be true for all normal HID
devices, a suitably malicious device can violate the assumption.
Fixes: 1b15d2e5b807 ("HID: core: fix validation of report id 0")
Signed-off-by: Pietro Borrello <borrello@diag.uniroma1.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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