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HID: magicmouse: fix null pointer dereference in magicmouse_event()

Add a guard clause to check if 'msc' and 'msc->input' is NULL before attempting to access its fields, preventing a general protection fault. Fixes: b8d56ef91cc3 ("HID: magicmouse: Apple Magic Mouse 2 USB-C support") Reported-by: syzbot+5ad4fc9c8360b68e353f@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=5ad4fc9c8360b68e353f Signed-off-by: Nehuen Lian Bova <nehuenlian.kernel@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>

Author Nehuen Lian Bova Committer Jiri Kosina Date Commit Parent 9932c9af
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+4
1 changed file