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authorIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
committerIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
commitca4b9c3b743da39a6e0756a5c68edb35f6fc5e53 (patch)
tree95ce0819f92e25bc4d768ab13cee1f385a83a7b2 /drivers/usb/misc/usbtest.c
parenta30b85df7d599f626973e9cd3056fe755bd778e0 (diff)
parent275d34b82561e695339b782950d49c386169dae3 (diff)
downloadtalos-obmc-linux-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.tar.gz
talos-obmc-linux-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
-rw-r--r--drivers/usb/misc/usbtest.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index eee82ca55b7b..b3fc602b2e24 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -202,12 +202,13 @@ found:
return tmp;
}
- if (in) {
+ if (in)
dev->in_pipe = usb_rcvbulkpipe(udev,
in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+ if (out)
dev->out_pipe = usb_sndbulkpipe(udev,
out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
- }
+
if (iso_in) {
dev->iso_in = &iso_in->desc;
dev->in_iso_pipe = usb_rcvisocpipe(udev,
@@ -1964,6 +1965,9 @@ test_queue(struct usbtest_dev *dev, struct usbtest_param_32 *param,
int status = 0;
struct urb *urbs[param->sglen];
+ if (!param->sglen || param->iterations > UINT_MAX / param->sglen)
+ return -EINVAL;
+
memset(&context, 0, sizeof(context));
context.count = param->iterations * param->sglen;
context.dev = dev;
@@ -2087,6 +2091,8 @@ usbtest_do_ioctl(struct usb_interface *intf, struct usbtest_param_32 *param)
if (param->iterations <= 0)
return -EINVAL;
+ if (param->sglen > MAX_SGLEN)
+ return -EINVAL;
/*
* Just a bunch of test cases that every HCD is expected to handle.
*
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