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(parent: ce068bc) | patch
drivers: video: fbcon: fix NULL dereference in fbcon_cursor()
authorDu Cheng <ducheng2@gmail.com>
Fri, 12 Mar 2021 08:14:21 +0000 (16:14 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 23 Mar 2021 14:15:17 +0000 (15:15 +0100)
commit01faae5193d6190b7b3aa93dae43f514e866d652
treee4e4b26213db3c947318f7c5216ce5251ef1ac4ctree | snapshot
parentce068bc7da473e39b64d130101e178406023df0ccommit | diff
drivers: video: fbcon: fix NULL dereference in fbcon_cursor()

add null-check on function pointer before dereference on ops->cursor

Reported-by: syzbot+b67aaae8d3a927f68d20@syzkaller.appspotmail.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Du Cheng <ducheng2@gmail.com>
Link: https://lore.kernel.org/r/20210312081421.452405-1-ducheng2@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/video/fbdev/core/fbcon.c diff | blob | history
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