git.baikalelectronics.ru Git - kernel.git/commit

author	Phong Tran <tranmanphong@gmail.com>
	Mon, 15 Jul 2019 15:08:14 +0000 (22:08 +0700)
committer	David S. Miller <davem@davemloft.net>
	Mon, 15 Jul 2019 18:10:31 +0000 (11:10 -0700)
commit	18dbae4d8bdbb64cab3f6ed623b6297a2ecab6a6
tree	d9711a2d759695612b76bdc4c2ae2ace671fd31c	tree \| snapshot
parent	d79e7285a151b83d5ec4f13f70ecb1fb770012b0	commit \| diff

ISDN: hfcsusb: checking idx of ep configuration

The syzbot test with random endpoint address which made the idx is
overflow in the table of endpoint configuations.

this adds the checking for fixing the error report from
syzbot

KASAN: stack-out-of-bounds Read in hfcsusb_probe [1]
The patch tested by syzbot [2]

Reported-by: syzbot+8750abbc3a46ef47d509@syzkaller.appspotmail.com
[1]:
https://syzkaller.appspot.com/bug?id=30a04378dac680c5d521304a00a86156bb913522
[2]:
https://groups.google.com/d/msg/syzkaller-bugs/_6HBdge8F3E/OJn7wVNpBAAJ

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>