Looks like use-after-free. Any idea what line of code it wa at?

-a


On 19 December 2015 at 09:43, Steve Wills <swi...@freebsd.org> wrote:
> On 11/29/2015 17:23, Andriy Voskoboinyk wrote:
>> Sun, 29 Nov 2015 18:57:04 +0200 було написано Steve Wills
>> <swi...@freebsd.org>:
>>
>> Hi,
>>
>> I split previous patch into smaller pieces. If you wish, you can test
>> them and say, which helps (if any).
>>
>> To speed up the process, you can use the following procedure
>> (will work only if urtwn(4) is not compiled into the kernel):
>> 1) before patching:
>>    mv /boot/kernel/if_urtwn.ko /boot/kernel/if_urtwn.ko.bak && cd /usr/src
>> 2) svn patch --reverse-diff <old-diff>
>> 3) svn patch <new-diff>
>> 4) make buildkernel KERNFAST=yes
>> 5) ifconfig wlan0 down
>> 6) ifconfig wlan0 destroy
>> 7) kldunload if_urtwn
>> 8) kldload `find /usr/obj/usr/src/sys -name if_urtwn.ko`
>> 9) <check if everything works. if no, goto 2)>
>> 10) at the end:
>>    mv /boot/kernel/if_urtwn.ko.bak /boot/kernel/if_urtwn.ko
>
> Sorry, it took me a while, but I finally got these patches tested. I
> tested against r290630. I had to apply both patch-urtwn-ridx.diff and
> patch-urtwn-hwseq.diff before it started working.
>
> I see other changes have been made in the mean time, but thought I'd
> report anyway. I'll test the latest version too, but wanted to go ahead
> and send this info.
>
> Also, with patch-urtwn-eapol.diff applied, I got this panic while unloading:
>
> http://pastebin.com/KGN66u9t
>
> Not sure if this matters or not, but thought I'd pass it along.
>
> Thanks,
> Steve
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