Author: hselasky
Date: Sat Dec 19 11:03:54 2020
New Revision: 368801
URL: https://svnweb.freebsd.org/changeset/base/368801
Log:
Ensure a minimum packet length before creating a mbuf in if_ure.
Sponsored by: Mellanox Technologies // NVIDIA Networking
Modified:
head/sys/dev/usb/net/if_ure.c
Modified: head/sys/dev/usb/net/if_ure.c
==============================================================================
--- head/sys/dev/usb/net/if_ure.c Sat Dec 19 11:03:04 2020
(r368800)
+++ head/sys/dev/usb/net/if_ure.c Sat Dec 19 11:03:54 2020
(r368801)
@@ -711,7 +711,7 @@ ure_bulk_read_callback(struct usb_xfer *xfer, usb_erro
goto tr_setup;
}
- if (len != 0)
+ if (len >= (ETHER_HDR_LEN + ETHER_CRC_LEN))
m = ure_makembuf(pc, off, len - ETHER_CRC_LEN);
else
m = NULL;
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