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SubjectRe: Linux 5.19-rc6
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On 2022/7/14 3:48, Russell King (Oracle) wrote:
> On Wed, Jul 13, 2022 at 12:36:50PM -0700, Linus Torvalds wrote:
>> On Tue, Jul 12, 2022 at 10:07 PM Guenter Roeck <linux@roeck-us.net> wrote:
>>> OF: amba_device_add() failed (-19) for /amba/smc@10100000
>>> ------------[ cut here ]------------
>>> WARNING: CPU: 0 PID: 1 at lib/refcount.c:28 of_platform_bus_create+0x33c/0x3dc
>>> refcount_t: underflow; use-after-free.
Sorry to lead to this issue,
>> This too has been going on since -rc1, but it's not obvious what caused it.
>>
>> At a guess, looking around the amba changes, I'm assuming it's
>>
>> 7719a68b2fa4 ("ARM: 9192/1: amba: fix memory leak in amba_device_try_add()")
>>
>> Does reverting that commit make it go away?
> There may be a patch that solves that, but it's never been submitted to
> my patch system:
>
> https://lore.kernel.org/all/20220524025139.40212-1-wangkefeng.wang@huawei.com/
This patch is to fix the above issue reported-by Guenter, and it merged
into linux-next
for a while, which Applied in
https://www.armlinux.org.uk/developer/patches/viewpatch.php?id=9207/1
>
> I'm sorry, but I'm utterly crap at picking up patches off mailing lists,
> so if stuff doesn't end up inthe patch system, it gets missed.
Is there some special for bugfix patch when send to arm patch system, please
let me know if I missed.

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