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Re: WARNING: at drivers/net/wireless/ath/ath9k/beacon.c:362 ath9k_beacon_tasklet+0xcc/0x5f0)

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On 01/29/2013 10:09 PM, Sujith Manoharan wrote:
Ben Greear wrote:
They were not.  I see the second was queued to stable, should the first one
be a stable candidate as well?

Sorry, I meant this one:

commit 1adb2e2b5f85023d17eb4f95386a57029df27c88
Author: Felix Fietkau <nbd@xxxxxxxxxxx>
Date:   Wed Jan 9 16:16:53 2013 +0100

     ath9k: fix double-free bug on beacon generate failure

     When the next beacon is sent, the ath_buf from the previous run is reused.
     If getting a new beacon from mac80211 fails, bf->bf_mpdu is not reset, yet
     the skb is freed, leading to a double-free on the next beacon tx attempt,
     resulting in a system crash.

     Cc: stable@xxxxxxxxxxxxxxx
     Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
     Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>

I did not have this one applied, and it would explain at least one
crash that I've seen.

I'll apply it (and the other you mentioned) now.

Thanks!
Ben


--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com

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