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[Qemu-devel] [PATCH 06/14] usb-linux: Ensure devep != 0
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 06/14] usb-linux: Ensure devep != 0 |
Date: |
Tue, 31 May 2011 11:35:22 +0200 |
So that we don't index endp_table with a negative index.
---
usb-linux.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/usb-linux.c b/usb-linux.c
index 544aea3..e2f45d3 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -1029,6 +1029,11 @@ static int usb_linux_update_endp_table(USBHostDevice *s)
}
devep = descriptors[i + 2];
+ if ((devep & 0x0f) == 0) {
+ fprintf(stderr, "usb-linux: invalid ep descriptor, ep == 0\n");
+ return 1;
+ }
+
switch (descriptors[i + 3] & 0x3) {
case 0x00:
type = USBDEVFS_URB_TYPE_CONTROL;
--
1.7.5.1
- [Qemu-devel] [PATCH 00/14] usb: various usb fixes, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 01/14] usb-linux: Set usb_auto_timer to NULL after deleting it, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 02/14] usb-linux: Get speed from sysfs rather then from the connectinfo ioctl, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 04/14] usb-linux: Don't do perror when errno is not set, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 05/14] usb-linux: Don't call usb_host_close when usb_host_open fails, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 06/14] usb-linux: Ensure devep != 0,
Hans de Goede <=
- [Qemu-devel] [PATCH 03/14] usb-linux: Teach about super speed, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 07/14] usb-linux: If opening a device fails remove it from our filter list, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 08/14] usb-linux: Don't try to open the same device twice, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 10/14] usb-linux: Enlarge buffer for descriptors to 8192 bytes, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 09/14] usb-linux: Don't declare a usbdevice_name, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 11/14] usb-bus: Add knowledge of USB_SPEED_SUPER to usb_speed helper, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 12/14] usb-bus: Don't allow attaching a device to a bus with no free ports, Hans de Goede, 2011/05/31
- [Qemu-devel] [PATCH 14/14] usb: Proper error propagation for usb_device_attach errors, Hans de Goede, 2011/05/31