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    SubjectRe: BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 !//RE: kernel BUG at kernel/locking/rtmutex.c:1027
    On Tue, Jun 27, 2017 at 05:47:41AM +0000, Feng Feng24 Liu wrote:
    > Hi, Julia
    > Thanks for your kindly hit. I will try this patch
    > The problem is accidental. I will try to reproduce it.
    > BTW, could you help to give the link about the emails which
    > discuss about " nsfs: mark dentry with DCACHE_RCUACCESS ". I
    > cannot find them(just patch email)

    Conversation upstream started with a syzkaller-found problem here:

    https://marc.info/?l=linux-netdev&m=149183505630266&w=2

    Hopefully that helps,
    Julia
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