brcmfmac: To fix kernel crash on out of boundary access

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To truncate the additional bytes, if extra bytes have been received.
Current code only have a warning and proceed without handling it.
But in one of the crash reported by DVT, these causes the
crash intermittently. So the processing is limit to the skb->len.

Signed-off-by: Raveendran Somu <raveendran.somu@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200604071835.3842-2-wright.feng@cypress.com

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Raveendran Somu 2020-06-04 02:18:31 -05:00 • committed by Kalle Valo

parent f555abfe29

commit 698bae2e6e

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drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c

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