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| author | Johan Hovold <johan@kernel.org> | 2019-09-30 17:12:41 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-01 21:06:49 -0400 |
| commit | 678799194a5311765263b6aa940910ab232767eb (patch) | |
| tree | 12ac3d1e332c42a46cfa76c0e6ff836e189ad397 /net/vmw_vsock/virtio_transport_common.c | |
| parent | 37a2fce0900119bd5e8b2989970578a34584da97 (diff) | |
| download | linux-678799194a5311765263b6aa940910ab232767eb.tar.bz2 | |
hso: fix NULL-deref on tty open
Fix NULL-pointer dereference on tty open due to a failure to handle a
missing interrupt-in endpoint when probing modem ports:
BUG: kernel NULL pointer dereference, address: 0000000000000006
...
RIP: 0010:tiocmget_submit_urb+0x1c/0xe0 [hso]
...
Call Trace:
hso_start_serial_device+0xdc/0x140 [hso]
hso_serial_open+0x118/0x1b0 [hso]
tty_open+0xf1/0x490
Fixes: 542f54823614 ("tty: Modem functions for the HSO driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/vmw_vsock/virtio_transport_common.c')
0 files changed, 0 insertions, 0 deletions