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Drop frames that have larger than MCLBYTES.

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This commit is contained in:
Kevin Lo 2014-09-09 05:21:31 +00:00
parent a4d98bf442
commit 141aa3b93a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=271303
1 changed files with 4 additions and 0 deletions
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4
sys/dev/usb/wlan/if_urtwn.c
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@ -660,6 +660,10 @@ urtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen, int *rssi_p)
ifp->if_ierrors++;
return (NULL);
}
if (pktlen < sizeof(*wh) || pktlen > MCLBYTES) {
ifp->if_ierrors++;
return (NULL);
}
rate = MS(rxdw3, R92C_RXDW3_RATE);
infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8;