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Fixed possible out of bound access in usb channel.

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This commit is contained in:
akallabeth 2020-11-10 09:02:35 +01:00
parent 66dc4cc9ee
commit 2e5280feec
1 changed files with 4 additions and 4 deletions
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8
channels/urbdrc/client/libusb/libusb_udevice.c
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@ -1744,12 +1744,11 @@ size_t udev_new_by_id(URBDRC_PLUGIN* urbdrc, libusb_context* ctx, UINT16 idVendo
WLog_Print(urbdrc->log, WLOG_INFO, "VID: 0x%04" PRIX16 ", PID: 0x%04" PRIX16 "", idVendor,
idProduct);
array = (UDEVICE**)calloc(16, sizeof(UDEVICE*));
total_device = libusb_get_device_list(ctx, &libusb_list);
array = (UDEVICE**)calloc(total_device, sizeof(UDEVICE*));
if (!array)
return 0;
total_device = libusb_get_device_list(ctx, &libusb_list);
goto fail;
for (i = 0; i < total_device; i++)
{
@ -1768,6 +1767,7 @@ size_t udev_new_by_id(URBDRC_PLUGIN* urbdrc, libusb_context* ctx, UINT16 idVendo
free(descriptor);
}
fail:
libusb_free_device_list(libusb_list, 1);
*devArray = (IUDEVICE**)array;
return num;