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Date:   Fri, 12 Jun 2020 17:22:50 +0800
From:   "wanghai (M)" <>
To:     Dominique Martinet <>
CC:     <>, <>, <>,
        <>, <>,
Subject: Re: [PATCH v2] 9p/trans_fd: Fix concurrency del of req_list in

在 2020/6/12 17:10, Dominique Martinet 写道:
> Wang Hai wrote on Fri, Jun 12, 2020:
>> p9_read_work and p9_fd_cancelled may be called concurrently.
>> In some cases, req->req_list may be deleted by both p9_read_work
>> and p9_fd_cancelled.
>> We can fix it by ignoring replies associated with a cancelled
>> request and ignoring cancelled request if message has been received
>> before lock.
>> Fixes: 60ff779c4abb ("9p: client: remove unused code and any reference to "cancelled" function")
>> Reported-by:
>> Signed-off-by: Wang Hai <>
> Thanks! looks good to me, I'll queue for 5.9 as well unless you're in a
> hurry.
Ok, thanks.

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